ML20129G814
| ML20129G814 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 06/04/1985 |
| From: | STONE & WEBSTER ENGINEERING CORP. |
| To: | |
| Shared Package | |
| ML20129G803 | List: |
| References | |
| RTR-REGGD-01.075, RTR-REGGD-1.075 NUDOCS 8506070374 | |
| Download: ML20129G814 (740) | |
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i l 1. i l , TEST REPORT ON. ! ELECTRICAL SEPARATION VERTIFICATION TESTING < 7 FOR ; i. DUQUESNE LIGHT C0!PANY'S !. BEAVER VALLEY POWER STATION - UNIT 2-
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V'; TABLE OF CONTENTS J[M) I. . INTRODUCTION
'A. Background B. Purpose of Test t
L j - II. BASIS OF TEST PROGRAM ^ A '. Definitions-l !. B. General I . C. General Design Basis D. Specific Design Basis i -E. Selection of Configurations I.
' F. Criteria for Evaluation of Tests l
l l.- j' III..RESULTS AND CONCLUSIONS l -- L l: IV. GENERAL CONCLUSIONS l L i: V. ' APPENDIX A - Correlation FSAR Figs. with Test Configuration l Justification I' 1: l; APPENDIX B - Tempersture - Versus Time Plots Marked at Appropriate l-Durations l
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- _ APPENDIX C -' Test Result Sununary.
s. I t' i. APPENDIX D - Calculation -12241-E111: Determination of 480 V Motor >
- Pigtail Failure Times
- j. ' APPENDIX E - Wyle Test Report on Electrical Separation Verification i
! Testing I l 1 5 k C , I f '. t l
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- ?A. . I. " INTRODUCTION.-
a A. ' Background-The . Tes t- Program covered -by this report - serves as parti of an extensive Separation Task undertaken by DLC to demonstrate the j, adequacy of the methods used by BVPS-2 to comply with R.G. 1.75, ' i Revision 2. j a5 At . the time of the inception ' of Beaver Valley Power Station - Unit 2 (BVPS-2) the project utilized separation criteria consist-t
' ent' with other. plants under construction at -that time. These
- commitments were contained in the BVPS-2 PSAR. The standards
- governing the separation of electrical systems were still being
- developed. The-base standard IEEE-279-1971 was.in effect but-the methods of meeting it, namely R.G.1.75 and IEEE 384 were still.
r being' developed. .The BVPS-2 project agreed to update the plant to 4. . the requirements of IEEE 384-1974 and R.G. 1.75, Rev. 2, which now represent the BVPS-2 criteria for separation. At the time the BVPS-2 separation criteria were upgraded, a large percentage of the construction of the plant had been completed, i ys. including the installation of raceway and cable. This fact, combined with the uncertainties regarding the final - details and ~ interpretations of the scandards and the limited area of the plant available for raceway and cable. routing, determined that the most l feasible method of complying with the separation requirements a. 4 2 4 1
e T% would be - to' use a combination of barriers, enclosures, and dis-Il I # ' tance for those areas where IEEE 384'-1974 requirements were
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subject to interpretation or where it was deemed necessary to conclusively prove certain a rrangements were adequate. Spatial separation alone and additional safety class structures could not be completely relied'upon to show compliance. t 4 Accordingly, to achieve a reduction in spatial requirements and to
-prove that plant specific configurations, enclosures, and barrier materials were ' acceptable, it was decided to perform testing in accordance with Sections 5.1.1.2 and 5.6.2 of IEEE-384, 1974 to ensure compliance with the guidelines.
. B. Purpose of Test The purpose of these tests was to establish a basis of analysis which could be applied in establishing minimum acceptable sepa-ration distances and acceptable enclosure materials, which would be compatible with the raceway and cable design, system para-meters, and materials used at BVPS-2.
This test program was configured based upon knowledge gained from successful similar programs conducted by other licensees and is in accordance with IEEE 384-1974 guidelines which state that where damage potential is limited to failures or faults internal to the electrical equipment or circuits, the minimum separation distance O can be established by analysis of the proposed cable installation, 2
s O ~ considering ' features-. such as cable insulation and jacket ' mate-Li .
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. risls, cable tray fill, and cable tray arrangement. The analysis shall be based on tests to determine the flame retardant charac-teristics of the proposed cable installation. Any lesser se-
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O paration - distances, beyond the minimums - in IEEE 384-1974 shall also be established by the-test programs. The testing would be ' done over a range of configurations, using diverse separation methods and materials, and the results would be
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. applied to justify plant conditions.
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II. BASIS OF TEST PROGRAM r A. Definitions 'a V 9: \
.Various terms utilized throughout this test report are described as follows:
r Protective Wrap A: Cable wrapping consisting of a helically (PW A) applied single layer, 50 percent overlap, of AMETEK/HAVEG SILTEMP Wr-65 covered with a helically applied single layer, 50 percent overlap, of 3M No. 69 glass tape. l-l
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Protective Wrap B: Cable wrapping consisting of a longitudin511.y (PW B) applied single layer, 50 percent overlap, of O 3
,f g SWEC protective wrap (a modified AMETECK/HAVEG \ f V SILTEMP 188 CH product). Protective Wrap C: Cable wrapping consisting of a longitudinally. (PW C) applied single layer, 100 percent overlap, of SWEC_ protective wrap. Protective Wrap D: Cable wrapping consisting of a longitudinally (PW D) applied single layer, 100 percent overlap, of SWEC protective wrap covered with a helically applied single layer, 0 percent overlap, of 3M No. 69 glass tape. I Protective Wrap E: Cable wrapping consisting of a longitudinally ( (PW E) applied single layer, 100 percent overlap, of SWEC protective wrap covered with a helically applied single layer, 50 percent overlap, of 3M No. 69 glass tape. Rated Current: Design ampacity for BVPS-2. Warmup Current (s): Current (s) above the rated current used to preheat-the faulted cable prior to application of the overload current. Locked Rotor Current taken from the line with the rotor Current: locked and with rated voltage and frequency v 4
s ,(., g 1 applied to the motor.
. .%J Full-Load Current taken from the line with a device Current: operating at full load and with rated voltage and frequency applied to the device.
Overload Current: Current level applied to the faulted cable which simulated failure of the primary circuit
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breaker to clear with a locked rotor fault below the secondary circuit breaker actuation level. 'This fault current, for the No. 6 AWG cable, was 316 amperes for 8.4 minutes for the configuration tests, whcih simulated a locked. rotor for a . 40 hp electrical motor (316 amperes) terminated when the motor pigtail leads fused open (8.4 minutes). Tray Covers Flat Cover: A flush mounted cover used on cable trays (top or bottom or both) to provide protection. Hat Cover: A raised cover used on cable trays where the fill exceeds the height of the existing cable 5
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/ ) tray siderail. See Wyle Report . Fig. IV-1
.V
.(Page IV-14).
. Ventilated Cover: A corrugated cover used on cable trays (top and bottom) where ventilation is required for large power cables ("H" & "L" service levels).
See Wyle Report Fig. V-1 (Page V-12). Short Circuit Current level simulating a fault twice the. Current: backup circuit breaker rating that is cleared by the backup circuit breaker. This current level was the maximum possible output current of the Multi-Amp CB 8130 Test Set and was applied until the faulted cable open-circuited. Fault Cable: Refers to cable subjected to overload current 7-) and short circuit current. Target Cable: Refers to energized and monitored nonfault cables used in this test program. These cables were located in the worst possible locations, relative to the fault cable, in order to evaluate the spatial distances between the various raceway / cable configura-tions. Service Levels "H" Cables: The "H" cables are used for 601 V to 4,160 V power service. Cables are installed one layer deep only with maintained spacing. ICEA deratings apply where required.
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rN - "L". Cables: The- "L" cables are used -for power cables i i Ng operating at '600 V or less. In general, these include 600 V feeders and large 600 V . motor leads,. feeders and de motor leads, lighting feeders , etc. Cables are installed-one layer
-deep only -with maintained spacing. ICEA deratings apply where required.
"K".. Cables: The "K" cables are used for power cables No. 8 AWG copper or smaller operating at 600 V or less. In general, these include small 600 V motor leads, light 600 V distribution circuits, light de circuits and motor leads, and some small lighting loads. "K" tray fill, determined by the sum of the installed cable cross-sectional area, does not exceed 50 percent of the tray cross-sectional usable area.
i NOTE: Cables installed in a "K" tray must meet
- one of the following conditions:
conductor 2
- a. No IR loss heating.
Examples of allowable conditions are: interlocks, indicating lamps,. controls, etc. O . 7
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'b. Intermittent duty (valve operators, .tts cranes, etc.)
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. c. Cable for continuous operation must i
be sized in .accordance with ICEA 1
' Publication No. P-54-440. ,
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"C" Cables: - The "C"' cables are used for control, metering ~,
relaying, and alarm circuits. In general,. 4 these services- include 125 Vdc and 120 Vac a control leads, annunciator cables, PT cables, CT cables, solenoid cables, etc. The "C tray i-fill, determined by the sum of the installed cable cross-sectional area, does not exceed 50 percent of the tray cross-sectional. usable area, b [ , "X" Cables: The "X" cables are used for data, control, or- ! instrumentation services. In general, these L services include cables from thermocouples, t resistance temperature detectors, process instruments, and -computer signals. As a
- -general rule, anything less than 50 V is
- considered low level; however, some low energy
)- control or signal systems may operate at more than 50 V and still be considered low level. LO I I l'
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p- The "X" tray fill , determined by the sum of the installed cable cross-sectional area, does not exceed 50 percent of the tray cross-sectional usable area. 1 B. General To ensure that the reso!ts of the test program would provide the required justification of BVPS-2 compliance with R.G. 1.75, Rev. 2, the following items were incorporated as part of the design basis of the tests. These items are divided into two i groups: General Design Basis and Specific Design Ba' sis. General' Design Basis addresses those items which are characteristic of the
,. m general plant' design , while Specific Design Basis addresses those
(] items developed as input to the individual test configurations. a C. General Design Basis
- 1. Hazards This entire test program is limited to electrically induced faults since all other potential hazards such as missiles,
-! high pressure piping, etc, are addressed by other BVPS-2 1 design programs. i O 9
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in j ) 2. Flame Retardancy w/- All cables used on BVPS-2 meet the flame test' requirements of IEEE 383-1974 or are installed in enclosed raceway. Raceway used, including tray. covers,'are metallic except for PVC duct which is either underground, concrete encased or both.
-3. Tray Fill' Cable trays in general are not filled above the tray side-rails. In a small number of cases, where, due to space requirements, the fill of control .and instrument cables exceeds the height of the tray siderail special hat covers are be used tio ensure the cables are confined to - the tray.
- 4. Equipment and Material Equipment and material used during the tests is identical to that used or proposed for use at BVPS-2. The materials used were either shipped from the BVPS-2 site or procured from supplying manufacturers. All cables-used in the tests were shipped from the BVPS-2 site.
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L MW D. Specific Design Basis U
- 1. Faulted Cable Damage Potential One specific _ design basis was the requirement that in the
. configuration testing, those faulted cables with the most potential for causing . damage to adjacent (target) cables, be used. To ensure ' the worst case cables were selected, it was decided that Heat Rise Testing would be required.
The process of selection consisted of a review of each type of cable used at the plant, grouped by voltage service level. Based on this review, as outlined below, certain cables were
] selected for Heat Rise Testing.
[V
- a. Selection of Cables for Heat Rise Testing
- 1. Medium Voltage Power Cables Medium voltage power cables, H service level, were eliminated as worst case cables since these cables will be totally enclosed in raceways or protective wraps and under faulted conditions will have a lesser effect on adjacent cables than . faulted cables which are not enclosed.
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- 2. Low Voltage' Power Cable
-Low voltage power cables, L and K service - levels , .
were 'next considered. A tabulation c was made of these cables feeding - motors, which included the horsepower (HP), . locked rotor amperes (LRA), _ full . load amperes (FLA), and the cable size feeding the motor. From this tabulation, cables feeding motors with the largest locked' . rotor amperes per cable. size - were selected for the Heat Rise Tests since they were considered to be' possible worst case cables. The -following is a summary - of cables selected with their associated circuit parameters.
'A Item Size FLA LRA HP
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1 500 MCM 580 1780 250 2 350 MCM 464 -1579 200 3 #4/0 AWG 335 1184 150 4 #2 AWG 158 501 50 5 #6 AWG 89 315 40 Using the results of the Heat Rise-. Tests, as detailed in Section III A, a- calculation 12241-E111, included in Appendix D, was then made. This calculation was used as a basis to generate credible fault current durations. The - postulated L fault current magnitude was assumed to be locked rotor amperes (LRA) on the cable, which is ap-
- l. proximately 6 times full load amperes of the motor associated with the cable. Based on these dura-12
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tions and ' current magnitudes and based on' the A/ . temperature measurements obtained during the Heat
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Rise Tests, it was determined that the worst case cable would be that cable which had the highest-jacket-~ temperature during the . faulted condition. Based on the above, the worst case cable selected
- wa s ' a triplex ' No. 6 AWG - cable, which had - a peak jacket . temperature of 850*F during a postulated
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fault ' duration of 8.4 minutes, at a' current magni-tude of 315A. This was the cable used as the primary faulted cable in all applicable configura-tion tests.
- 3. Control-Cables v
Control cables, C service level, were eliminated as worst case cables to be considered in the Heat Rise Tests since test results on. the low voltage-power cables- would envelope the control cables. 3 4. Instrumentation Cables 4-i i Instrument cables, X service level, were eliminated-as worst case cables since they would be of such low energy, they could not adversely affect ad-i .- jacent cables, i (- , \ i i 13 b L
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- p b. ' Selection of Cables for Internal Panel Testing
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The- final. configuration test, Test 7, represented e
, ' faulted conditions inside - a ~ control switchboard or instrument panel: To select worst ' case cables for this !
I r test a review was .ma'de of typical cable sizes and types which would be used in these applications. t f - At BVPS-2 t'he' cables in' these panels consists of the + following:' p - i j. b' 4-
- a. Instrument cables (X service level) -
These are t typical <f.y No. 16. AWG and smaller, with -a . usual
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, voltage rating of less than 50 V.
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- b. Control cables (C service level) - These are
( . typically No. 14 and No. 12 AWG, with a usual h voltage rating of-120Vac or 125 Vdc.
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, c. Panel feeder cables (K service level) - These are typically No. 8 AWG. and smaller, ' and are used to o ..
supply power to the panels. The usual voltage rating is.120Vac o.r 120V dc.
- i. O'
< . . , - , Based on this review a No.'12 AWG . control cable was i ',- -* .
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..n selected for. .the following reasons:
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- 1. Most. of the cables used in these panels are either instrument or control (X or C) cables.
- 2. Due- to the low energy level of the instrument cables, testing of the control cable would be more severe - and the results would envelope 'the instru :
ment cables.
- 3. The largest fault current on an ac control circuit 9
is 75A available from a control trans fo rmer. A fault current of 75A was applied until the conduc-tor fused open, stable . conductor temperatures were . realized, or ignition and complete insulation n combustion occurred. The de control circuits have a much larger range of available fault currents with the larger currents available near the de distribution panels. Since a particular level of fault current can be equated to a circuit length, and since the 75A fault current test resulted in stable conductor temperatures, it was decided to repeat the test increasing the fault current in 15A increments until the conductor fused open in a relatively short time (i.e., less than 15 minutes). O V 15
.. __ __ _ _ _ _ _ . _ _ _ _ ______________.__._____J I
>r Other testing has shown that high currents melt the
.Q): conductor, fusing the circuit. When this happens
.quickly, the temperature of cable adjacent to the fault does not have time to increase significantly.
- 4. Use of a panel feeder ca' ale (K service level) was not selected since there is typically only one of these feeders supplying each panel. In addition
-since these cables operate at the same ' voltage level as the control cables, 120Vac and 125Vde, the results of the control cable test would envelope the panel feeder cables.
'A+ 1 E. Selection of Configurations Q)
-In selection of the test configurations, the primary concern was to ensure that the quantity and types of raceway and cable ar-rangements tested would be extensive enough to satisfactorily simulate ' actual plant configurations and provide a basis for applying the results of the testing to similar configurations which were not . tested. Using this criterion, the following representative configurations were selected:
- 1. Configurations 1 and 2 See Wyle Report, Fig. II-1 (Page II-18) and Fig. III-1
(
'\j (Page III-9). These configurations are representative of a
16 m .,
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;f] actual plant arrangements of cable in free air that - occur
\d where cables exit a raceway and make the transition between raceway and raceway or between raceway. and equipment.
- 2. Configuration 3 See Wyle Report, Fig IV (Page IV-14). This configuration is representative of actual plant arrangements _ of cable in stacked trays and cable dropouts from trays, where the trays are covered with solid hat or solid flat covers.
- 3. Configuration 4 j See Wyle Report, Fig. V-1 (Page V-12). This configuration is representative of actual plant arrangements of cable in stacked trays and cable dropouts from trays where the trays are enclosed with ventilated covers.
- 4. Configuration 5 See Wyle Report, Fig. VI-1 (Page VI-12). This configuration is representative of the following site configurations:
- a. horizontal to vertical tray
- b. horizontal to horizontal tray (parallel and not above each other)
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- c. vertical to vertical tray
. The . actual tested configuration, as- shown in the above-referenced ' figure, was a vertical-to-horizontal tray con--
figuration. -Between 'the cables in each tray, the only barrier -? was the horizontal tray siderail. Based on . this arrangement, the_ tested configuration - can be extendid : to represent. both horizontal-to-horizontal and vertical-to-vertical tray configurations; for these cases there would be. two siderails acting as barriers between cables in adjacent trays, thereby affording a greater degree of protection than the tested case.
;;O) -5. Configuration 6
%d See Wyle Report, Fig. VII-1 (Page'VII-12). This configura-tion is . representative of plant configurations of cable tray to conduit. The actual tested configuration, as shown in the above-referenced figure, was 'a conduit running parallel to, and one inch above, a tray. This would be the most severe condition of _this type of configuration to occur in the plant for the following reasons; should cable be ignited in the
- tray or conduit, the target cable in the adjacent raceway -
will'be exposed to the ignited cables along the length of the raceway. . The more typical' tray to conduit arrangement would be where the two raceways are crossing, perpendicular to each
/- other. -Based on this, the tested configuration can be 18
extended to-represent all tray-to-conduit configurations with
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one-inch maintained spacing.
- 6. Configuration'7 See Wyle Report, Fig. VIII-1 (Page VIII-10). This con-figuration is representative of actual. plant installations of control.and instrument cables in panels and-cabinets.
F. Criteria for Evaluation of Tests The criteria for evaluation of cables subjected to the configura-tion tests was that the target cables maintained their-functional capability during and after the test. In addition, since this testing was conducted on unaged cables, to assure the cable could perform at the end of the 40 year life of the plant the require-
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ment was added that the temperature of the target cables not exceed ' 340*F. This temperature is the peak temperature to which - the BVPS-2 control cable, manufactured by the Rockbestos -Company, was subjected to and successfully passed during the IEEE-383 qualification test. This test requires that ' cables be tested under the Design Basis Event (DBE) environment conditions resultng. from a postulated Loss-of-Coolant Accident (LOCA). All other types of cables were tested by the manufacturers to higher peak DBE-LOCA temperatures. I b 19
Ql . III. -RESULTS AND CONCLUSIONS A. ~Results of Heat Rise Tests 4
.The Heat Rise Tests were included as part of .the test program to assure- that.
the cables capab'le ~ of ~ generating the worst case electrical fault were used '
.in configuration tests.
For the ' Heat Rise Tests, as noted in Section II D2 of this document, five sizes of triplexed power cable 'were selected; each cable test was performed with the cable . in an open ladder type tray in a horizontal plane. The maximum overload current, locked rotor amperes, to which each size . cable could be subjected was.determ.ined and that overload current was then applied j until stable temperatures were achieved, complete ignition of cable or the cable fused open. Wyle Labs made plots of the fault cable maximum jacket . temperatures. The results of these tests indicated that extremely long durations would be required to cause ignition of the cable or fusing of the conductor at the
' tested locked rotor currents. These durations were considered to be neither realistic nor credible when evaluated on the basis of either previous I' industry ' testing or our experience with regard to cable failures in power l plants.
I-Based on further review and on discussions with various motor manufacturers, it was decided that the most realistic cause of failure would be a motor i pigtail failure; since in general, pigtail size is smaller than the motor 20 I -
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,D
( feeder. - Assuming the failure to be at the motor pigtail, and using the l result of the Heat Rise Tests, more realistic circuit failure times were 4- developed. These were based on' applying the locked rotor current until the calculated time, at which the motor pigtail conductor would melt open, was reached. As a further step in simulating credible conditions, it was decided to apply short circuit current at the end of the calculated time. Calculation 12241-E111, titled Determination of 480V Motor Pigtail Failure Times, served as a basis for determining the sustained fault duration and is included as Appendix D. The temperature corresponding to these times, can be found on the Wyle " Temperature Versus Time Plots". (These plots were formulated from data taken during the Heat Rise Tests). ( Below is a tabulation of durations and maximum jacket temperatures for each cable. Heat i- Rise Duration Max Temp Test Cable LRA (min.)* Jacket of Fault Cable 4 1 500 MCM 1780 16.8 300 F 2 250 MCM 1579 13.5 360*F 4 3 4/0 1184 9.5 400 F 4 #2 501 8.3 460'F 5 #6 AWG 315 8.4 850 F n v 21
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The Temperature Versus Time plots ~ marked at the appropriate duration times
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is included as' Appendix B. T-
' Based on - these tests, . the ~ triplex- No. 6 : AWG. cable.. had the ' highest jacket j ;r' temperature, !and was selected as being representative of the worst cast
?? j _ ~ cable for BVPS-2.
-B. Results of Configuration 1 - Tests 1, 1A, and IB i:
For: configuration see Wyle Report, Fig. II-1 (Page.II-18).
. . ' Test I c
. With half :of the- faulted cable wrapped in Protective Wrap A (PWA) and half .
..in Protective Wrap B (PWB) and with three target cables unwrapped in contact-with the - outside of the protective wraps, the maximum temperature on a
- . target cab 1'e adjacent to PWA was 291.5 F, while the maximum temperature on a-target cable adjacent to PWB ' was 887.1*F. The 291.5 F is an acceptable temperature, while the 887.1*F exceeds the acceptable temperature, even 4
l 'though all target cables remained functional. (Note: The determination of the maximum acceptable temperature is addressed in Section II,F.) Test 1A
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This test is similar to Test 1 above, except the faulted cable was wrapped using only Protective Wrap D (PWD) and target cables were arranged with one i' O . .Q touching, one spaced at 3/8 in., one spaced at 3/4 in., and one spaced at c , 22
d I ['i ,1 in from the outside of the prot'ective wrap. The maximum temperature on a b ' target ' cable, even when spaced at 1 in, was 646.7 F, which exceeds .the acceptable temperature.
' Af ter 4 minutes of- fault current . application ignition occurred.
Test-1B This test is similar to Test 1A above, except that the faulted cable was wrapped using only Protective Wrap E (PWE); the target cables were-spaced the same as in Test 1A. The target cables all remained functional. The maximum target cable temperature touching the wrap was 421.3 F, which exceeds the acceptable temperature; however, on the target cable spaced at
' C\
- 3/8 in, from the wrap, the maximum temperature was 166.4 F, which is an
~ ,d.
acceptable temperature. After the 8.4-minute fault current application, ignition did occur; it
- started outside the test area on an unwrapped portion of the fault cable, and. burning material dropped into the test area igniting some gases that were escaping adjacent to locations of the Velcro closures. After review we have determined this ignition, and the temperatures in the ignition areas, did not' affect the results of the test, since thermocouples mounted on target cables outside of the ignition areas continued to measure acceptable temperatures.
V 23
N [k s Based-on this test, the Velcro closure will be deleted as part of the wrap ( construction. Conclusion From Configuration-1 Tests
.These tests . clearly demonstrate that Protective Wrap A or Protective Wrap E with 3/8 in. ' space to target cables provide adequate protection when the fault is inside the protectively wrapped cable.
Results of Configuration 2 Test For configuration see Wyle Report, Fig. III-1 (Part III-9).
-( With six target cables wrapped half in Protective Wrap (PWA) and half in
- - \
i-Protective Wrap (PWB), and with the faulted cable unwrapped in contact with t the outside of the protective wraps, the maximum temperature on a target cable was 181.5 F. This is an acceptable temperature. The target cables x all remained functidh 1. i
- ' Ignition. occurred 8 minutes after application of the fault current and the cable open circuited after 8.12 minutes.
t Conclusion from Configuration 2 Test l l Protective Wrap A or Protective Wrap B provide adequate protection when the t fault is outside the protectively wrapped cables. Other methods of pro-
'tectively wrapping target cables such as using Protective Wrap E, which 24
+ 1 L
zW includes a greater ' overlap of the Siltemp material and the addition of a
~
)
v half-lapped layer of ' the i 3M 69 Glass tape, would also provide adequate protection from faults in this arrangement. When the conclusion ' from Configuration 1_ Tests is combined with the con-clusion from Con'figuratin 2 Test, the resultant-overall conclusion is that
~ Protective Wrap A or Protective Wrap-E, combined with 3/8 in. space provides adequate protection regardless of whether the fault is within the wrap or outside of the wrap.
Results of Configuration 3 Tests 1, 2, and 2A For configuratons see Wyle Report, Fig. IV (Page IV-14) O O This configuration consisted of a stack of four horizontal cable trays
-(numbered from top to bottom) with cables dropping out of the bottom of the top tray, Tray 1, resting on the cover of the second tray, Tray 2, and then dropping _1 in. ~ from the siderailn of Trays 2, 3 and 4.
Test 1 In this test, the cable dropping from Tray 1 was the faulted cable and the target cables were. under the solid cover on Tray 2. The target cables all remained functional. The maximum temperature recorded on a target cable was 90.3*F, which an acceptable temperature. The temperature on the side rails u 25
= - -
4
'G,O .of: Tray 3 was 109.3 F ' and on Tray 4 was 101.9 F, which are acceptable temperatures.
' Test 2
.In the second test of this configuration, two cables in Tray 2 under the solid cover were faulted with target cables resting on the cover. The test equipmest could not supply the desired fault current due to the high re-sistance of the series connected fault cable conductors which increased with temperature. The test was terminated after 30 minutes.
Test 2A A 8
- b) This arrangement is identical to Test 2 above, with the exception that the faulted cable conductors were connected in parallel instead of in series, thereby decreasing the resistance of the faulted cable and allowing the attainment of the desired fault current in each conductor. The target cable remained function. The maximum temperature of the target cable resting on the solid cover was 95.7 F, which is an acceptable temperature. The faulted
..ble~ ignited in 7.4 minutes and open circuited after 7.7 minutes.
Conclusion From Configuration 3 These tests clearly demonstrate that a solid tray cover with no additional j space provides adequate protection when the fault is either outside or inside the tray. 26
w
; Results of Configuration 4 -
For configurations see Wyle Report Fig. V-1 (Page V-12). This configuration again. consisted' of a stack of four horizontal cable trays with the : second . tray, Tray 2, being enclosed, top and bottom, with L ven-tilated tray covers. Cables dropped out of the bottom of the top tray,. Tray 1, rested on the ventilated cover of Tray 2 and then dropped past Trays 2, 3, and 4 with - some passing by the ventilation opening. A power cable in this . second tray was faulted while the cables touching the cover and passing the-ventilation openings were taget cables. The target cables all remained functional. The maximum target cable temperature was '23.0 F. This is an acceptable temperature, even though the faulted cable ignited. Conclusion from Configuration 4 Test These ~ tests clearly demonstrate that ventilated tray covers provide adequate protection without additional space. Results of Configuration 5 Tests 1 and 2 For configurations see Wyle Report, Fig. VI-1 (Page VI-12) This configuration consisted of two cable trays, one tray vertical and the other tray horizontal, passing 1 in. in front of the vertical tray. g V' 27
'T W i -- Test 1 L f-A power cable in the top layer of cables in the vertical tray was faulted with , the target ' cables in the horizontal tray. The target cables all remained functional. The maximum temperature on any target cable was 90.2 F and the maximum temperature on the side rail of the horizontal tray was 203.6 F. These temperatures are acceptable temperatures, even though the fault cable ignited at 7.9 minutes into the test.
Test 2 In this test, the faulted cable was in the horizontal tray, in the top layer of cables and next to the siderail closest to the vertical tray. The target cables were all in the top layer of cables in the vertical tray. The target cables c11 remained functional. The maximum target cable temperature cable was 206.8*F. This is an acceptable temperature, even though the ~ faulted cable ignited after 6.5 minutes. Conclusion from Configuration 5 These . tests clearly demonstrate that 1 in. of horizontal space is adequate between a vertical and a horizontal tray, without use of any covers. 28
[] Results of Configuration 6 - Tests 1 and 2 For. configurations see Wyle Report Fig. VII-1 (Page VII-12).
. This . configuration was a , horizontal tray with a conduit mounted parallel to the tray and-1 in.'above.
' Test 1 For'this test, one cable in the top layer of cables in the tray directly below .the conduit, and a maximum of 1 in. away, was faulted. The three target cables in the conduit remained functional. The maximum temperature was - 211.8 F. This is an acceptable temperature, even though the faulted
.' A( cable ignited at 8.3 minutes into the test.
Test 2 In this test, the cable in the conduit was faulted and three cables directly below the conduit in the top layer of cables in the tray were the target cables. The target cables all remained functional. The maximum target cable temperature was 66.8*F, which is an acceptable temperature. ? Conclusion from Configuration 6 Tests - These tests clearly demonstrate that 1 in, of space between a conduit and a i I tray is adequate protection for any configuration. In addition, since the i f
- \
k 29 1:
l M. et
.9 bh Nj) tray did not have a tray cover, 1 in. of space-between a conduit and a cable in air'is. adequate protection.
Results of Configuration 7-Tests 1, IA, IB, 1C ID, and 2 For configurations see Wyle Report, Fig. VIII-1 (Page VIII-10) This configuration consists of control and instrument cables inside panels in a typical arrangement. Tests 1, IA, IB, IC, and ID These - tests are all identical with the exception that the fault current was ( increased in each subsequent test. The arrangement was three cables inside a panel, the faulted cable was wrapped with Siltemp material (PWC), one target cable was in contact with the protective wrap, and the other target cable was 1 in, away. The target cables all remained functional. The highest temperature on the target cable touching the wrapped fault cable was 587*F. (This high temperature was for Test IC.) This is an unacceptable temperature. The highest temperature on the target cabic spaced at 1 in, was 140*F which is an acceptable temperature . In Test ID the fault cable open circuited in 3.2 minutes. O 30 L
fs ! Test 2
/
This test was similar to the above, except the faulted cable was not wrapped, one target cable was wrapped and touching the faulted cable, and the other target cable was unwrapped and 1 in, away from the faulted cable. The target cables all remained functional. The maximum temperature on the wrapped target cable was 199.5'F and on the unwrapped target cable spaced at 1 in, was 188.9 F. These are acceptable temperatures. The fault cable open circuited in 26 minutes. Conclusion from Configuration 7 Tests These tests clearly demonstrate that for control and instrument cables
. ,m v) .. ! inside panels, 1 in, of space with unwrapped cables or zero in. of space with both cables wrapped are adequate protection.
This conclusion of zero in, of space with both cables wrapped also applies to panel supply feeder cables operating at 125 Vac or 120Vac for the fol-lowing reasons:
- 1. The voltage level is the same as that of the control devices i.e.,
125Vdc or 120 Vac.
- 2. The worst case condition which could be postulated occurred during the test, i.e., a fire.
O () 31
f t ,m I 1 3. The faulted-current magnitude applied, 150A, was sufficiently
- ( G :
large to be representative of overcurrents to be expected on.these panel supply feeder cables. A tabulated summary of the- results of the above test appears in Appendix C. Results of Ampacity Testing - For configurations, see Wyle Report Fig. IX-1 (Page IX-6) The ampacity tests were performed on three different size cables: triplex 250 MCM, triplex No. 6 AWG and 6-3/C No. 8 AWG, Eight separate tests were
-performed; two test. were performed with unwrapped cable and the remaining O)
( six tests .were performed with various methods of wrap applied. Each test-was performed with the . cable suspended in an environmental chamber with a l- maintained ambient temperature of 40*C, Conductor temperatures of the l e cables were monitored while current passed through the . conductor; the ! , current applied was adjusted until the conductor temperature attained 90 C steady state condition. l The results of the eight Ampacity Tests are tabulated as follows: i i
/
32 L. _ - -
a v
- 7'Y
SUMMARY
OF AMPACITY TESTS-Qf Test Current for Design 90*C Conductor-Test Ampacity Temperature
- No. Cable Size Wrapping (Note D) (Note E) 1 Triplex 250 MCM Unwrapped 306A (Note A) 458A 2= Triplex 250 MCM. PW C 306A (Note A) 342A-3 ' Triplex 250 MCM- _PW A 306A (Note A)- 323A 4 Triplex 250 MCM PW E 306A (Note A) 346A
'5.- Triplex 6 AWG- Unwrapped 73A/29A (Note B) 113A 6 Triplex 6 AWG- PW C 73A/29A (Note B) 83A j
7 -Trip 6 AWG PW A 73A/29A (Note B) 84A
- 8 Six - 3/C 8 AWG PW C 28A (Note C) 48A
- Note A- L-Type Service f's Note B' L-Type /K-Type Service
, - Note C .K-Type Service Note D Design ampacities are based on cable service and raceway 1 installations. ' "L-Type" cable design ampacities are from
-ICEA 46-426 "in air" values derated by 0.82. "K-Type" cable design ampacity are'from ICEA P-54-440, Table 6, "2.5 inch depth-column." All of the above cables were 600 V, copper conductors.
n
- Note E' Average conductor temperature of 89'C to 91*C not increasing or decreasing over a 30-minute period.
Conclusions From Ampacity Testing l The ampacity tests clearly demonstrated that no additional derating, beyond present design ampacities at BVPS-2, is required when a cable or cables are i 4 wrapped.in either of the approved protective wraps, ac
- o 33 L-
IV.
~ ! GEN'ERAL CONCLUSIONS s -).
A. -Spatial Dimensions-The Heat Rise Tests clearly demonstrated that under very limited conditions, using BVPS-2 system parameters, cable ignition of the insulation on triplex power cables could occur when a sustained overload is maintained. The fires that occurred were self-extinguishing when the electrical fault was inter-rupted. The amount of smoke created by the overload would be readily detected by the plant fire detection systems. l The' configuration testing clearly demonstrated that when ignition occurred, the fire never propagated to an adjacent target cable even when both were. Q touching. The extent of the fire zone for BVPS-2 cables and arrangements, when it occurred was much smaller than the 3 ft horizontal and 5 ft vertical dimension of IEEE 384. The testing was not designed to monitor temperatures around a burning cable. However, based on visual observations as recorded on VHS tape (recorded during the test), the extent of the fire zone clearly demonstrated that the horizontal dimension for General Plant Areas could be reduced from 3 ft to 1 ft. B. Protective Wraps The results of tests on Configuration 1 and Configuration 2 provided ex-
'- tensive information concerning the acceptability of protective wraps for 34
l 1 4
,y
- i cables in f ree. air when exposed to a -faulted cable either within the wrap or
%.} outside the wrap. :The testing indicated that, for BVPS-2 conditions and cables,_ two methods - of wrapping cables are superior with regard to protect-ing target cables when . compared with the other wrapping methods that were tested. Therefore, we conclude that - for BVPS-2 the approved protective wrapping methods are: PW I Protective Wrap Method I (Previously PWA)
- a. Attach the end of the SILTEMP VI-65 tape to the cable (or cable bundles) by using 3M Co. No. 69 glass type. Wrap cable-with one A
! I layer of SILTEMP WT-65 spiralled with half width overlap. Apply SILTEMP VT-65 tape with sufficient tension to ensure the SILTEMP VT-65 tape conforms to the cable or cable bundle shape and that no gaps occur over the entire length. Tape the other end in place using 3M Co. No. 69 glass tape.
- b. In order to maintain tightness of wrap, it is necessary to apply the 3M Co. No. 69 glass tape over the SILTEMP WT-65 tape, starting from the opposite end from the starting point of the SILTEMP VT-65 tape. The 3M Co. No. 69 glass tape is spiralled with appro-priately a half width overlap. Ensure that the 3M Co. No. 69 glass tape completely covers the SILTEMP VT-65 tape.
35
I i l l -77 pg 77 2q ] Protective' Wrap Method II (Previously PWE)
- a. SILTEMP ~ bl.anket 188CH ' or 36CH shall _ be wrapped longitudinally around cable with a minimum of 100 percent' overlap. -The blanket shall be applied with' sufficient tension to ' ensure that the blanket conforms - to the cable or cable bundle shape and that no gaps occur over the entire length,
- b. In order to maintain tightness, 3M Co. No. 69 glass - tape is spiralled with approximately a half width overlap. Ensure that the 3M Co. No. 69 glass tape completely covers the SILTEMP 188Ch or 36CH blanket.
- c. Where the SILTEMP blanket can not. be. installed in one continuous
- piece, two or. more - pieces shall be used with a minimum 2 in.
overlap. These two methods will be used interchangeably throughout the plant as long as.1 inch space from an unwrapped cable, or zero in, space from a wrapped cable or tray cover, to the wrapped cable is provided. ' O. () . 36
l t l C Metallic Protection l The testing demonstrates the effectiveness of metal tray covers, both solid and ventilated, and conduit as a means of protecting cables. l In all instances, the use of a tray cover or conduit combined with 1 inch of air space provides the necessary protection to assure physical independence. i l l l l I 37
+a,- m , a . . - o-- '
.-a aaA _. a- a w , --- -_ a --,a-APPENDIX A 9
CORRELATION FSAR FIGURES WITH TEST CONFIGURATION JUSTIFICATION i 4 I O 4 I. d 7 i r I i
,. . . - - , - . . - - ....,_ .-..--_ .__ _ _ _ . ..-, _m..-..--..
1 Justification for Deviation From R.G. 1.75, Rev. 2 and IEEE 384 1974 FSAR A. Section 8.3.1.4 Test Configuration No.
- 1. Reduction of the horizontal 5-1, 5-2 & Heat Rise Tests distance from 3 ft to 1 ft in the General Plant Area.
- 2. Separation inside panels (control switchboards and instrument cabinets)
- a. 1 in. minimum 7-1, 7-2
- b. <1 in, enclose both 7-1, 7-2 C cables or cable groups in protective wraps of woven silicon dioxide.
B. Figure 8.3-16 3-1,'3-2A, 4, 5-1, 5-2 17 3-1, 3-2A, 4, 5-1, 5-2 18 5-1, 5-2 19 5-1, 5-2 20 5-1, 5-2 21 5-1, 5-2 22 5-1, 5-2 23 5-1, 5-2 24 3-1, 3-2A, 4, 5-1, 5-2 25 3-1, 3-2A, 4, 5-1, 5-2 ( 1
, y.-. - . . , . ~ . - . - . . . . . - . - . - - - - - . . . . . . - - - - . - - - - - - . . - - -
p._ 126 5-1, 5-2 27 .5-1, 5-2 28 5-1, 5-2
.29 5-1, 5-2
.30 5-1, 5-2 31 5-1, 5-2 32 3-1,.3-2A, 4, 5-1, 5-2, 6-1, 6-2 33- 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2'
-34 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 35 3-1, 3-2A, 4,'5-1, 5-2, 6-1, 6-2 36 3-1,.3-2A, 4, 5-1, 5-2, 6-1, 6-2 .
.37 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 38 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 39 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 t-40 3-1, 3-2A, 4, 5-1, 5-2, 6-1,-6-2 41 3-2, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 43 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2.
44 1, 1B, 2, 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2
'45 1, IB, 2.
46 1, IB, 2, 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 47 1, IB, 2 48 1, IB, 2, 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 49 1, 1B, 2 50 1, 1B, 2, 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2
~51 1, 1B, 2 2
52 1, IB, 2, 3-1, 3-2A, 4, 5-1,
=
5-2, 6-1, 6-2
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53 1, IB, 2
. 1, IB, 2, 3-1,'3-2A, 4, 5-1, 5-2, 6-1, 6-2
- 55. ~1,~IB, 2 56 3-1, 3-2A,.4 57 1, IB, 2, 3-1, 3-2A, 4 58 3-1, 3-2A, 4 59 1, IB, 2, 3-1, 3-2A a60 3-1, 3-2A,-4
'61 1, IB, 2, 3-1, 3-2A
- 62. 3-1, 3-2A, 4 63 1, IB, 2, 3-1, 3-2A, 4 64 3-1, 3-2A, 4 65 1, IB, 2, 3-1, 3-2A, 4 66 3-1, 3-2A, 4 67 1, IB, 2, 3-1, 3-2A, 4 68 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 69 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 70 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 71 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 72 3-1, 3-2A, 4, 5-1, 5-2, 6-1, 6-2 0
3
& -w - ., I , i 2: , l l t l l 1 i c? APPENDIX B ) 1 i 4 TEMPERATURE VERSUS TIME PLOTS l .i < 1 MARKED AT APPRQPRIATE DURATIONS 1 1 l 1 3 , i t i. h 1 i e 4 4 g i s i l t
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Test Reco'rt No. 17666-02, R: vision A TABLE L TEST REBULT5 SU8dMAAY
/ \ CenAgusation Test Tout CeMe Maximum Time 1b ! Nouter Nuotter Deserttien Fumetian
- Tengerat tue Jtion Notes @
Heat Rise 1 One Cable in 500 MCM/F 1441.7'F 46 minutes 1780 A Overload Free Air 2 350 MCM/F 1355.7'F 25 minutes 1578 A Overload 3 4/0 AWG/F 1396.5'T 15 minutes 1164 A Overload 4 2 AWG/F~ 1625.5'F 14 minutes 501 A Overload 5 6 AWG/F 1114.2'F None 315 A Overload 1 '1 Free Air W/ 6 AWG/F 1257.S'F None Wrapped Fault and In<ontact Targets - 6 AWG/T 291.5'F N/A 2/C 16 AWG/T 887.1'F N/A Tw.Pr.16 AWG/T 264.7'F N/A 1A Free Air W/ PW D Wrapped Fault and 6 AWG/F 145 2.4*F 7 minutes @ Multiple Targets Tw.Pr.16 AWG-0"/T 745.8*F T.1 minutes 4 Tw.Pr.16 AWG-3/8"/T 670.7'F N/A Tw.Pr.16 AWG-3/4"/T 900.2'F N/A Tw.Pr.16 AWG-1"!T 646.7'F 7.1 minutes 18 Frea Air W/ PW E 6 AWG/F 1998.8'F 9 minutes Wrapped Fault and MultJple Targets Tw.Pr.16 AWG-0"/T 421.3'F N/A Tw.Pr.16 AWG-3/8"/T 166.4*F N/A Tw.Pr.16 AWG-3/4"/T 105.2'F N/A Tw.Pr.16 AWG-1*/T 105.1'F N/A A 2 1' Free Air W/ Unwrapped Fault and Wrapped 6 AWG/F 1156.3'F 8 minutes @
=gg Target In-Contact 'g i 6 Tw.Pr.16 AWG/T 181.5'T - N/A 3 1 4-Trey Stack With 6 AWG/F 1835.0'F None Faulted Dropout From T1 and Solid Cover on T2 2/C 16 AWG/T 90.3'F N/A @
T3 Siderall 109.30 F N/A T4 Siderall 101.9'F N/A 2 4-Trey Stack With Two-2/C 16 AWG/F 304.0'P None Faulted Cable Under 84.5'F 67 A Overload Solid Cover on T2 and 2 AWG Dropout /T N/A Dropout Cable from T1 - @ 2A Same As Test 2 Two-2/C to AWG/F 674.8'F 7.4 minutes 75 A Overtoed 2 AWG Dropout /T 95.7'F N/A Tray Tl 88.2'F .N/A T3 Siderail - 68.0*F N/A T4 Siderait 64.2'P N/A 4 1 Tray Stack With 6 AWG-T2/F 1969.7'T 5 minutes Multiple Dropout Oables From T1 and Fau'ted 2 AWG-lilll/T 294.2'F N/A Cable Under Ventilsted Cover of T2 2 AWG-Vauey/T 148.0'F N/A 2/C 16 AWG-Hlu/T 314.3'F N/A 2/C 16 AWG-Yalley/T 160.4'F N/A Tw.Pr.16 AWG-Hill /T 323.0'F N/A Tw.Pr.16 AWO-Valley /T 207.9'F N/A T1 Rungs - 10 8.9'F N/A T3 Siderall 68.5'F N/A T4 Siderait 65.0*F N/A f% '
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Test Repo'rt No. 17666-02. Revision A - TABLE L TEBT RESULT 5
SUMMARY
(CONCLUDED)
/N' Comoguration Test Test . CaNa .
Maximene Time To l f- Hv=har Nummer Deseription Fumetion (l . Teneerstwo Innition Notes (D 5 1 Horizontal to Vertical 6 AWG/F 1746.3'F 7.9 minutes Tray With Fault In Vertical Tray 2 AWG/T 90.2*F N/A 2/C 16 AWG/T 78.3'F N/A Tw.Pr.16 AWG/T 66.0*F N/A 2 Horizontal to Vertical 6 AWG/F 1379.9"F 6.5 minutes Tray With Fault in Horizontel Tray 2 AWG/T 206.6'F N/A A 2/C 16 AWG/T 109.2*F N/A Tw.Pr.16 AWG/T 144.9'F N/A 6 1 Horizontal Tray to 6 AWG/F 1857.4'F 8.3 minutes Parallet Conduit With
- Fault In Tray 2 AWC/T 143.8'F N/A 2/C 16 AWG/T 146.4'F . N/A Tw.Pr.16 AWG/T 211.8*F : N/A 2 Horizontal Tray to 6 AWG/F 1655.5'F None Parallel Conduit With Fault In Conduit 2 AWG/T 66.8'F N/A 2/C 16 AWG/T 61.5'F - N/A Tw.Pr.16 AWG/T 61.1'F N/A 7 1 Internal Panet With 1/C 12 AWC/F 299.6*F None 75 A Overload Wrapped Fault Cable 1/C 12 AWG - 173.9'F N/A In-Contaet/T 1/C 12 AWG - 69.7*F N/A 1 Inch Away/T n IA Same as Test 1 1/C 12 AWG/F 354.3'F None 90 A Overload Y 1/C 12 AWG 217.0*F N/A ~ (d '
In-Contact /T 1/C 12 AWG - 69.7'F N/A 1 Inch Away/T 18 Same as Test 1 1/C 12 AWG/F 1018.1'F None 105 A Overload 1/C 12 AWG - 433.5'F N/A In-Contact /T 1/C 12 AWG - 113.7'F N/A 11nch Away/T IC Same as Test 1 1/C 12 AWG/F 1263.0*F None 120 A Overload 1/C 12 AWG - 587.0*F N/A In-Contact /T 1/C 12 AWG - 140.0'F N/A 1 Inch Away/T ID Same as Test 1 1/C 12 AWG/F 1493.7'F None 150 A Overload 1/C 12 AWG- 283.3*F N/A In-Contaet/T 1/C 12 AWG - 63.7'F N/A 1 Inch Away/T 7 2 Internal Panel With 1/C 12 AWG/F 1275.5'F None 150A Overload Unwrapped Fault Cable And Wrapped Target Cable 1/C 12 AWG - 199.5'F N/A In-Conteet/T 1/C 12 AWG - 188.9'F N/A 1!nch Away/T NOTES: @ F = Faulted Cabic; T = Target Cable. All cables were Triplex unless otherwise noted.
@ Overload current for all Configuration Tests was 316 emperes per phase unless otherwise noted. / @ Ignition occurred outside the PW D wrap and burned insulation on target cables.
( j Test repeated with PW E wrap. See Notlee of Anomaly No. 3. ,
@ Peak fault emble temperature not recorded due to power outage to instrumentation. l See Notice of Anomaly No.1. i
@ ~ h!aximum temperature on any of the six 2/C 16 AWG eables under the wild cover of Tray 72. l
@ Stutti-Amp Test Set could not deliver 75 amperes per phase and test terminated.
Test repeated with parallel terminations. See Notlee of Anomaly No. 2. 2 1
M 4 4 i J APPENDIX D j- . CALCULATION 12241-E111: DETERMINATION OF a 480V MOTOR PIGTAIL FAILURE TIMES t-l i 4 I t I 1 ) i 4 f i 1- ) i 4 4 ) i s. 4 4 i i i 4 e
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l STONE 6 CEBSTER ENGINEERING CORPORATION CALCULATION SHEET
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STCNE Q CEBSTER ENetNEERING CORPORATION CALCULATION SHEET same CALCULATION 10ENTIFICATION NUMSER f.I <C J.C. 0 R W.O. MO. OlVISION 6 GROUP CALCULATION NO. OPTIONAL TASK CODE PAGE d of &I I
, d) E xa6*-.ples.
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%# 3Et CALctMXTCM TAcqeB,% 19 hdGnhaM %kct :2 M. r A $ $ TEfERing To ihd Soo HP NotoR en the aboV4. Table ir indic6(es thAT CRb)E diaC is QSoMcH. Th4. new cable .s iz E 13 3 50 NC H And is REffecfdd d ,
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l l STONE G CESSTER ENGINEERING CORPORATION l CALCULATION SHEET l CALCULATION 10ENTIFICAT10N MuteSER i J.O. O R W.O. NO. OlVISION & GHOUP CALCULATION NO. OPTIONAL TASK CODE PAGE 1 l r1.zkl awar e-us " *\ , l 4 hTh 4DLCR51 l _ a) Eeth SmW
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i j , ," DATA SHEET Customer . - . WYLELA80RATORIES . . . p Cabl es various TS *F 17666 at
,, mTo m i 3,,,, W.TP 17666-01. IPR 1 m Yes W No.17666-02 7.i= 11 1 Test Med. M- Start Date //- ' - N l Sip N/A W Temp. _ Ambient j u N/A i HEAT RISE TEST i
TEST NO.: g- CA8LE SIZE: 4
- 3. Initial readings with Ft.A Current: BT k Max Tang 1/* f l
- 4. Final cand4nne with Ft_A Current: ffA Elapsed Time: go,,. 3 _ Max Temp. /y z *r O 7. Initial readings with LAA ,
! Current: 3 , g-A ETapsed Time: fod. JAs . Max Temp. /L2*p i
- 9. Final readings with LRA current: BirA Elapsed Time: 2.lR10 w Max Temp. ///4'f #A
- 10. Readings with 2X current applied A//A g _ cfacuf7 Current: Elapsed Time: Max Temp.
\ _
i Time to Open Circuit: f/ g. 9 3 ,,, 47 gfg a Time of Ignition: J/h . Time Cable Burning: #[h I Hichest Temnerature Recorded- I/ I4 #b Tested 8y M ** "b Cate//~l'id i Witness mob cate: fl- / b i Notics of Sheet No. 9 I /' of I
! Anomaly Approved /> M M // D l'/*/24-
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[ . STONE & WEBSTER ENGINEERING CORPORATION CALCULATION SHEET L _. [ O [ '- J.O. O R W.O. NO. DIVISION & GROUP c 'ce' ,' e c 'c e CALCUL ATION NO. c-OPTIONAL TASK CODE ae ' PAGE Al of *' [ la,a.41 &ctRical/J9 g-li t . E
- I Summery
[ The. ecperioco Useci Yo calcot Afc fime to fuoc of A
; VAnious conductor sir.cs (Refer fo ocction c.4 of the CRicolAfteN') Ascornds ihAr All NEAf gencRA(6d is sfoRed uitbin conduc(oR.This a scomp non 1esulfs in le (irne, dO RRTION S dhich if Voed in "Confl40RRYion (esting') woold nor cosRespond fo +be 8 esised cable TempeRRfoRc4, TheRc ford. 8 Co R Re cfior) =
1 U 12 F'AcfoR (FoR Gne) must be established . The 90\louincy (eble sommARim.es calcula(cd Fusing b 1mes (foR Re e ofWe Locked StofoR Ampecity) and I Rotomi (es.r esol(d. J is [ 87 [ W Tisc CABtE L- RR AcVOAl"firnc CalculAfcd l[ M M nbER H.'9 4\7.E 46 Ti m e f'o O I FOSE 5:OSE V I G50 SooncH t '+ SO did nor fla.73
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.5 40 69% 315 4 t s.9o 140.33 1 'o see. . 31 coR RE.cticW A cfd Al Ame (o 9054. b 1:AcYoR CAlcUlmfad (ime Yo fuse.
OndeR Locked ToYoR AmpaciYq cogderioNs the conducfogs M .i " in fesY t thav 4 tid re-r Fose . The condu ctoR In Tc' oY s did 70e4. Ignition occ.uRaad dos.in3 fcero i thaoi4, .! bat not so fcsf 4. 3s l
'besecl on this obscRVAfion R coRRecfiord FecToR vf's Liz.itJGi b fear .5 dsfa wAs set-ablished no follous O 4:
CoRRoc.Yion = Hlw.9e = a.9 34 Gme.<oR i40 33 45 4e
APPENDIX E WLE TEST REPORT ON ELECTRICAL SEPARATION VERIFICATION FOR DUQUESNE LIGHT COMPANY'S BEAVER VALLEY POWER ~ STATION - UNIT 2 i' S (.. . i
.,y
.):'
G . T 3 g - . . . . . i
l ( O l TEST REPORT ON ELECTRICAL SEPARATION VERIFICATION TESTING l FOR THE l STONE & WEBSTER ENGINEERING CORPORA'ITON FOR USE IN DUQUESNE LIGHT COMPANTS BEAVER VALLEY POWER STATION - UNIT 2 t-O For ( Stone & Webster Engineering Corporation 245 Summer Street Boston, MA 02107 s O
REVISIONS REvism x REPORT NO. 17666-02 May 24, 1985 DATE: LA80RATORIES SCIENTIFC SERvCES & SYSTEMS GROUP REV.NO. DATE PAGE OR PARAGRAPH AFFECTED l BY APP'L DESCRIPTION OF CHANGES A 5/24/85 V, Vi, 1, 2, 6, 10, 13, 21, JTH Correction of minor tynographical 27, 39, 41, 42, I-1, I-2, Ihh M gj/ errors per SWEC request. I-41, II-2, II-9, II-10, II-1: , Nr.4 II-26, II-27, II-85, III-2, (ft)ff,/5 j; III-3, III-4, III-6, III-12, III-13, IV-1, IV-5, IV-7, IV-11, V-1, V-7, V-8, VI-1, VI-6, VI-7, VI-8, VII-1, VII-6, VII-8, VII-16, VII-34, VIII-1, VIII-14, VIII-20, VIII-26, VIII-32, VIII-39, VIII-47, IX-2, X-1, X-3, X-4, X-5, X-8.
Pags No, il Test Report No. 17666-02 n TABLE OF CONTENTS Section M
. TEST REPORT
SUMMARY
l 1.0 CUSTOMER 1 2.0 TEST SPECIMEN 1 3.0 MANUFACTURER 1 4.0
SUMMARY
1
5.0 REFERENCES
4 6.0 TEST SPECIMEN DESCRIPTION 5 7.0 DEFINITIONS 6 8.0 TEST DESCRIPTIONS 7 8.1 Heat Rise Tests 7 8.2 Configuration Number 1 9 8.3 Configuration Number 2 14 8.4 Configuration Number 3 16 8.5 Configuration Number 4 21 8.6 Configuration Number 5 24 8.7 Configuration Number 6 28 8.8 Configuration Number 7 31 8.9 Ampacity Tests 38 9.0 QUALITY ASSURANCE 40 10.0 TEST EQUIPMENT AND INSTRUMENTATION 40 O WYLE LABORATORIES Huntsville Facility
P:gs No. 111 Test R; port No. 17666-02 TABLE OF CONTENTS (Continued) Section g SECTION I - HEAT RISE TESTS (SELECTION OF FAULT CABLE) 1.0 REQUIREMENTS I-1 1.1 Acceptance Criteria I-1 2.0 PROCEDURES I-1 2.1 Test Specimen Identification I-1 2.2 Test Specimen Preparation I-1 2.3 Instrumentation Setup I-2 2.4 Screening Tests I-3 3.0 RESULTS I-4 3.1 Results of Heat Rise Test No.1 I-5 3.2 Results of Heat Rise Test No. 2 I-5 O
%I 3.3 Results of Heat Rise Test No. 3 I-6 3.4 Results of Heat Rise Test No. 4 I-7 3.5 Results of Heat Rise Test No. 5 I-7 APPENDIX I Test Specimen Inspection Forms I-9 Instrumentation Equipment Sheets And Test Setup Photographs APPENDIX H Heat Rise Test Setup Figures I-19 APPENDIX III Heat Rise Test No.1 Data I-23 APPENDIX IV Heat Rise Test No. 2 Data I-31 APPENDIX V Heat Rise Test No. 3 Data I-37 APPENDIX VI Heat Rise Test No. 4 Data I-43 APPENDIX VH IIeat Rise Test No. 5 Data I-49 1
g WYLE LABORATORIES Huntsville Facility
- . - . - -- -- - - . .-.-,-n ., ,
Pega No. iv Test Report No. 17666-02 TABLE OF CONTENTS (Continued) Seetion g j SECTION H - CONFIGURATION NO. I (FREE AIR SEPARA'I1ON WITH WRAPPED FAUL" CABLE) i 1.0 REQUIREMENTS H-1 1.1 Acceptance Criteria H-1 2.0 PROCEDURES II-2 2.1 Test Specimen Preparation II-2 2.2 Instrumentation Setup II-4 2.3 Baseline Functional Tests H-8 2.4 Overcurrent Test H-10 l 2.5 Post-Overcurrent Test Functional Test H-11 3.0 RESULTS H-12 APPENDIX I Test No.1 Data H-17 O APPENDIX II Test No.1A Data H-47 APPENDIX II Test No.1B Data H-77 SECTION IR - CONFIGURATION NO. 2 (FREE AIR SEPARATION WITH WRAPPED TARGET CABLE) 1.0 REQUIREMENTS HI-1 1.1 Acceptance Criteria m-1 2.0 PROCEDURES HI-1 2.1 Test Specimen Preparation M-1 2.2 Instrumentation Setup m-2 2.3 Baseline Functional Tests m-3 ! 2.4 Overcurrent Test III-4 l 2.5 Post-Overcurrent Test Functional Test HI-5 l 3.0 RESULTS III-6 APPENDIX I Test No.1 Data IH-7 WYLE LABORATORIES Huntsville Facility
.. _ . _ . . . _ _ . . , _ . . . , . . _ _ . _ , _ _ , , , _-- . . , _ . . . . . . . . _ _ . _ . ~ . .
Paga No. v Test Report No. 17666-02, Revision A (N (/ TABLE OF CONTENTS (Continued) Section g SECTION IV - CONFIGURATION NO. 3 (HORIZONTAL TRAY TO HORIZONTAL TRAY WITH DROPOUT CABLE l AND SOLID TRAY COVER SEPARATION) A 1 1.0 - REQUIREMENTS IV-1 1.1 Acceptance Criteria IV-1 2.0 PROCEDURES IV-1 2.1 Test Specimen Preparation IV-1 2.2 Instrumentation Setup IV-3 2.3 Baseline Functional Tests IV-6 2.4 Overcurrent Test IV-7 2.5 Post-Overcurrent Test Functional Test IV-8 3.0 RESULTS IV-9 APPENDIX I Test No.1 Data IV-13 APPENDIX II Test No. 2 Data IV-49 APPENDIX III Test No. 2A Data IV-81 SECTION V - CONFIGURATION NO. 4 (HORIZONTAL TRAY TO HORIZONTAL TRAY WITH DROPOUT CABLES AND VENTILATED TRAY COVER SEPARATION) A 1.0 REQUIREMENTS V-1 1.1 Acceptance Criteria V-1 2.0 PROCEDURES V-1 2.1 Test Specimen Preparation V-1 2.2 Instrumentation Setup V-2 2.3 Baseline Functional Tests V-5 2.4 Overcurrent Test V-7 2.5 Post-Overcurrent Test Functional Test V-8 A 3.0 RESULTS V-8 APPENDIX I Configuration Number 4 Test Data V-11 WYLE LABORATORIES Huntsville FacHity
Pago No. vi Test Report No. 17666-02, Revision A O TABLE OF CONTENTS (Continued) Section P_ age , 1 SECTION VI - CONFIGURATION NO. 5 l (HORIZONTAL TRAY TO VERTICAL TRAY SEPARATION) I 1.0 REQUIREMENTS VI-1 1.1 Acceptance Criteria VI-1 2.0 PROCEDURES VI-1 2.1 Test Specimen Preparation VI-1 2.2 Instrumentation Setup VI-2 2.3 Baseline Functional Tests VI-4 2.4 Overcurrent Test VI-6 2.5 Post-Overcurrent Test Functional Test VI-7 A 3.0 RESULTS VI-8 f} APPENDIX I APPENDIX H Test No.1 Data Test No. 2 Data VI-11 VI-37 SECTION VH - CONFIGURATION NO. 6 (TRAY TO CONDUIT SEPARATION) 1.0 REQUIREMENTS VH-1 1.1 Acceptance Criteria VII-1 2.0 PROCEDURES VH-1 2.1 Test Specimen Preparation VH-1 2.2 Instrumentation Setup VH-3 2.3 Baseline Functional Tests VII-4 2.4 Overcurrent Test VII-6 2.5 Post-Overcurrent Test Functional Test VII-7 3.0 RESULTS VH-8 APPENDIX I Test No.1 Data VH-11 APPENDIX II Test No. 2 Data VII-29 WYLE LABORATORIES Huntsville Facihty
Pags No, vii Test Report No. 17666-02 TABLE OF CONTENTS (Continued) _Seetion Page SECTION VIH - CONFIGURATION NO. 7 (INTERNAL PANEL SEPARATION WITH WRAPPED AND UNWRAPPED FAULT AND UNWRAPPED AND WRAPPED TARGET CABLES) 1.0 REQUIREMENTS VIII-1, 1.1 Acceptance Criteria VIII-1 2.0 PROCECURES VIII-1 2.1 Test Specimen Preparation VHI 2.2 Instrumentation Setup VIII-2 2.3 Baseline Functional Tests VIH-3 2.4 Overcurrent Test VIII-4 2.5 Post-Overcurrent Test Functional Test VIII-5 3.0 RESULTS VIII-5 APPENDIX I Tests No.1-1D Data VIII-7 Test No.1 Data VHI-9 Test No. lA Data VIII-17 Test No.1B Data VIH-23 Test No.1C Data VIII-29 Test No.1D Data VHI-35 APPENDIX H Test No. 2 Data VHI-43 O l WYLE LABORATORIES Huntsville Facility l
Paga No. viii Test Report No. 17666-02 O TABLE OF CONTENTS (Continued) Section M SECTION IX - AMPACITY TESTF, 1.0 REQUIREMENTS IX-1 1.1 Acceptance Criteria IX-1 2.0 PROCEDURES IX-1 2.1 Test Specimen Preparation IX-1 2.2 Instrumentation Setup IX-2 2.3 Ampacity Test IX-3 3.0 RESULTS IX-4 APPENDIX I Figure, Instrumentation Equipment Sheets IX-5 And Typical Circular Chart APPENDIX II Ampacity Test Data IX-11 Ampacity Test No.1 Data IX-13 (250 MCM Unwrapped) Ampacity Test No. 2 Data IX-19 (250 MCM W/ PW C Wrap) Ampacity Test No. 3 Data IX-23 (250 MCM W/ PW A Wrap) Ampacity Test No. 4 Data IX-29 (250 MCM W/ PW E Wrap) Ampacity Test No. 5 Data IX-35 (6 AWG Unwrapped) Ampacity Test No. 6 Data IX-39 (6 AWG W/ PW C Wrap) Ampacity Test No. 7 Data IX-43 (6 AWG W/ PW A Wrap) Ampacity Test No. 8 Data IX-47 (Bundle of Six 3/C 8 AWG Cables in PW C Wrap) SECTION X - WYLE LABORATORIES TEST PROCEDURE NO.17666-01, REVISION A O WYLE LABORATORIES Huntsville Facuity
Test Report REPORT NO. 17666-02. Revision A
- '? h77 WYLE JOB NO. 17666-02
~'
a#iw - CUSTOMER P.O.NO. 9RV-R43 b;i r; . ; .j PAGE 1 OF 612 PAGE REPORT April 19, 1985 (
.s DATE SPECIFICATION (S)
See References in Section 5.0. i _ f r : .l. $ = 1.0 CUSTOMER Stone & Webster Engineering Corporation ADDRESS 245 Summer Street, Boston, MA 02107
""*'- """d'""=e"'"" "-
O2aTestsecciaea as described in Paragraph 6.0 3.0 MANUFACTURER Okonite Comoany. Rockbestos Comoanv. and Brand Rex Cornorntinn 4.0
SUMMARY
The test program described herein was conducted as part of a total analysis being performed for Duquesne Light Company's Beaver Valley Power Station - Unit 2 (BVPS-2) to support compliance with Regulatory Guide 1.75, Revision 2, " Physical Independence of Electrical Systems", and with Section 5.1.1.2 of IEEE Standard 384-1974, "IEEE Trial-Use Criteria for Separation of Class 1E Equipment and Circuits", which allows the use of testing and analyses to justify separation of less than the spatial requirements of Sections 5.1.3 and 5.1.4 of IEEE Standard 384-1974. (jmk) Alabama Professional Eng. m a' ** 'a** * * == w e r=-p7a*v==ce-STATE OF ALABAMA co Reg. No. 13475 p j"gg 7 '" ""* '"'. Y. n To*"" '" **E#d'"* in,." '" e ,r.c APPROVED BY [ % /7 I s o en WYLE Q. A. / h t// ' VW-Rf G'. Wayne liight rn.]i p o.yof 9 M ,a E ,, Notary P[ic in and'for the dtat. of Alaba arg.. My Commission exp6r.e h! , to
/ LABORATORIFS SCIENTIFIC SERVICES & SYSTEMS GROUP HUNTSVILLE, ALABAMA
Pags No., 2 Test Report No. 17666-02, Revision A 4.0
SUMMARY
(Continued) The results of the test program are detailed in the appropriate sections as listed below: o Section I Heat Rise Tests (Selection of Fault Cable) o Section II Configuration 1 Tests (Free Air Separation with Wrapped Fault Cable) o Section III Configuration 2 Test (Free Air Separation with Wrapped Target Cable) o Section IV Configuration 3 Tests (Horizontal Tray to Horizontal Tray with Dropout Cable and Solid Tray Cover Separation) A o Section V Configuration 4 Test (Horizontal Tray to Horizontal Tray with Dropout Cables and Ventilated Tray Cover Separation) A o Section VI Configuration 5 Tests (Horizontal Tray to Vertical Tray Separation) o Section VII Configuration 6 Tests (Tray to Conduit Separation) o Section VIII Configuration 7 Tests (Internal Panel Separation with Wrapped and Unwrapped Fault and Unwrapped and Wrapped Target Cables) o Section IX Ampacity Tests (Determination of Ampacity for Wrapped Cables) o Section X Wyle Laboratories' Test Procedure 17666-01, Revision A Each of the configuration tests was conducted in the following sequence: Baseline Functional Tests Overcurrent Test Post-Overcurrent Test Functional Tests The 30 individual tests in the various configurations were performed in the following order: Configuration No. No. of Tests Dates Heat Rise 5 10/31/84 to 11/01/84 1 1 12/06/84 2 1 12/07/84 3 3 12/11/84 to 12/17/84 4 1 12/19/84 5 2 01/07/85 to 01/08/85 6 2 01/09/85 7 5 (Tests 1-1D) 01/10/85 to 01/15/85 Ampacity 8 01/18/85 to 01/24/85 1 1 (Test 1 A) 01/25/85 7 1 (Test 2) 01/25/85 h 1 1 (Test 1B) 02/15/85 WYLE LABORATORIES Huntsville Facihty
Paga No. 3 Tcst R: port No. 17666-02 '
) 4.0
SUMMARY
(Continued) Three anomalies occurred during this test program. These anomalies are briefly described below and are discussed in more detailin the appropriate sections of this report. Notice of Anomaly Reference No. Date Description Section 1 12/07/84 Documents a power outage that occurred during III Configuration 2 Test I which resulted in a four-minute span where the Datalogger monitoring the thermocouples was de-energized. The circuit breaker which fed the instrumentation trailer tripped causing the power outage. Power was restored in time to monitor the peak temperatures on the target cable. Continuity of power to the targM cable'was verified by digital multimeter readings. This anomaly was judged to have no impact on the test results since maximum temperatures and cable continuity were documented. 2 12/21/84 Documents inability of the Multi-Amp Test Set to IV q deliver 75 amperes through two 2/C 16 AWG -V cables in series during Configuration 3, Test 2. The test was discontinued at the SWEC Technical Representative's direction and repeated (designated Configuration 3, Test 2A) successfully using parallel terminations and compression lugs. ,. Each parallel conductor carried 75 amperes. i 3 2/5/85 Documents an insulation breakdown observed II during the Post-Overcurrent Functional Test for Configuration 1, Test 1A. The c,able under Lest had been severely damaged by a fire outside the single layer, 100 percent overlap of SWEC protective wrap, covered with a single layer, zero percent overlap, of 3M No. 69 glass tape which enclosed the fault cable. This test demonstrated that a zero percent overlap on the 3M No. 69 glass tape does not possess sufficient integrity to contain the pressure created by off-gassing of fault cable. At the SWEC Technical Representative's direction, this test was repeated using a single layer, 50 percent overlap, of the 3M No. 69 glass tape over a single layer,100 percent overlap, of SWEC protective wrap. O WYLE LABORATORIES Huntsville Facility
Paga No. 4 Test Report No. 17666-02
5.0 REFERENCES
5.1 Stone and Webster Engineering Corporation Engineering Service Scope of Work (ESSOW) No. 2BVS-843, " Test Plan for Proposed Cable Separation Methods 1 Beaver Valley Power Station - Unit No. 2." 5.2 Wyle Laboratories' Test Procedure 17666-01, Revision A, " Electrical Raceway Separation Verification Testing for the Stone and Webster Engineering Corporation for use in Duquesne Light Company's Beaver Valley Generating Station - Unit 2." 5.3 Wyle Laboratories Technical Proposal for Cable Separation Test Program for Stone and Webster Engineering Corporation, dated September 18, 1984. 5.4 IEEE STD 383-1974, "IEEE Standard for Type Test of Class 1E Electrical Cables, Field Splices, and Connections for Nuclear Power Generating Stations." 5.5 IEEE STD 384-1974, "IEEE Trial Use Standard Criteria for Separation of Class IE Equipment and Circuits." 5.6 United States Nuclear Regulatory Commission Guide 1.75, Revision 2, " Physical Independence of Electric Systems." 5.7 IEEE STD 323-1974, "IEEE Standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations." h 5.8 ICEA 46-426, " Power Cable Ampacities." 5.9 ICEA P54-440, "Ampacities - Cables in Open Top Cable Trays." O WYLE LABORATORIES Huntsville Facihty
P ga No. 5 Test Report No. 17666-02 O'd 6.0 TEST SPECIMEN DESCRIPTION All cables used in this test program were qualified to meet the requirements of IEEE Standard 383-1974, "IEEE Standard for Type Test of Class 1E Electrical Cables, Field Splices, and Connections for Nuclear Power Generating Stations". The test specimens consisted of the following cables installed into the various configurations as described in Sections I through IX of this report. Item No. Description Cable Type Mark No. 1.0 Triplex 500 MCM Cu L NKZ-29 2.0 Triplex 250 MCM Cu L NKZ-27 3.0 Triplex 2 AWG Cu L NKZ-21 4.0 Triplex 6 AWG Cu L NKZ-19 5.0 3/C 8 AWG Cu L NKZ-37 6.0 Triplex 6 AWG Cu K NKZ-19 7.0 Triplex 2 AWG Cu K NKZ-21 8.0 2/C 12 AWG Cu K NKZ-10 9.0 2/C 16 AWG Cu C NKA-78 O 10.0 2/C 12 AWG Cu C NKA-62 11.0 6/C 12 AWG Cu C NKA-65 12.0 8/C 12 AWG Cu C NKA-66 13.0 Twisted Pair 16 AWG Cu X NKC-01 14.0 3/C Twisted 16 AWG Cu X NKC-02 15.0 3 Twisted Pair 16 AWG Cu X NKC-04 16.0 6 Twisted Pair 20 AWG Cu X NKZ-51 17.0 1/C 12 AWG Cu SIS NKA-26 O WYLE LABORATORIES Huntsville Facility _ ~ _ . .
Pag] NO. 6 Test R port NO. 17666-02, R'; vision A 7.0 DEFINITIONS Various terms utilized throughout this test report are described as follows: 1 Protective Wrap A: of a helically applied single layer, I (PW A) Cable wrapping 50% overlap, of consisting AMETEK /HAVEG SILTEMP WT-65 covered with a helically applied single layer,50% overlap, of 3M No. 69 glass tape. Protective Wrap B: Cable wrapping consisting of a longitudinally applied sinele (PW B) layer, 50% overlap, of SWEC protective wrap (a modified AMETEK/HAVEG SILTEMP 188 CH product). Protective Wrap C: Cable wrapping consistin of a lon itudinal (PW C) layer,100% overlap, of S EC protectfve wrap.ly applied single ! Protective Wrap D: Cable wrapping consisting of a longitudinally applied single (PW D) layer,100% overlap, of SWEC protective wrap covered with a helically applied single layer, 0% overlap, of 3M No. 69 glass tape. Protective Wrap E: Cable wrapping consisting of a longitudinally applied single (PW E) layer,100% overlap, of SWEC protective wrap covered with a helically applied single layer, 50% overlap, of 3M No. 69 glass tape. g Rated Current: Design ampacity for BVPS-2. Warmup Current (s): Current (s) above the rated current used to preheat the faulted cable prior to application of the overload current. Overload Current: Current level applied to the faulted cable which simulated failure of the primary circuit breaker to clear with a locked rotor fault below the secondary circuit breaker actuation level. This fault current was 316 amperes for 8.4 minutes for the configuration tests, which simulated a locked rotor for a 40 hp electrical motor (316 amperes) terminated when the motor A pigtailleads fused open (8.4 minutes). Short Circuit Current: Current level simulating a fault twice the backup circuit breaker rating that is cleared by the backup circuit breaker. This current level was the maximum possible output current of the Multi-Amp CB 8130 Test Set and was applied until the faulted cable open-circuited. Target Cable: Refers to energized and monitored nonfault cables used in this test program. These cables were located in the worst possible locations, relative to the fault cable, in order to evaluate the spatial distances between the various raceway / cable & W configurations. WYLE LABORATORIES Huntsville Facility
Paga No. 7 Test Report No. 17666-02 ( 8.0 TEST PROGRAM DESCRIPTION 8.1 Heat Rise Tests 8.1.1 Description The Heat Rise Tests consisted of five Overcurrent Tests to determine the fault cable to be used in the subsequent configurction tests. The cables were tested as a single cable inside an empty ladder rung cable tray. The cables tested and currents applied in the Heat Rise Test were as follows: Test No. Cable Size Currents Applied
- 1 Triplex 500 MCM Cu 580A,1780A 2 Triplex 350 MCM Cu 464A,1578 A, 5000 A, 3000A 3 Triplex 4/0 AWG Cu 335 A,1184A, 4000A 4 Triplex 2 AWG Cu 158 A, 501 A, 890A 5 Triplex 6 AWG Cu 89A, 315A
- Rated current, overload current, and short circuit currents, if applicable.
This configuration represents fleid installation of a free air drop for cables going from:
- a. Tray to tray
- b. Tray to conduit
- c. Conduit to conduit
- d. Tray / Conduit to equipment.
8.1.2 Purpose The purpose of the Heat Rise Tests was to determine which cable size, if subjected to the worst-case electrical fault at the BVPS-2, would have produced the most impact on a vertically adjacent target cable. O WYLE LABORATORIES Huntsville Facility
Paga No. 8 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.1 Heat Rise Tests (Continued) 8.1.3 Results The results of the five Heat Rise Tests are briefly summarized in the table below: Maximum Time To* Time To* Test No. Fault Cable Size Jacket Temperature Ignition Open Circuit 1 Triplex 500 MCM 1441.7 F 46 minutes (1) 2 Triplex 350 MCM 1355.7 F 25 minutes (2) 3 Triplex 4/0 AWG 1396.5 F 15 minutes (3) 4 Triplex 2 AWG 1625.5 F 14 minutes (4) 5 Triplex 6 AWG 1114.2 F None 7.0 minutes
- After application of overload current.
Notes: (1) Fault cable did not open circuit. Test was terminated after 54.0 minutes at SWEC Technical Representative's request. (2) Fault cable did not open-circuit at 1578 amperes. 5000 amperes applied after 43.3 minutes. Cable open-circuited in 25.97 seconds and then refused. 3000 amperes applied until cable open-circuited again at 28.53 seconds. (3) Fault cable did not open-circuit at 1184 amperes. 4100 amperes applied after 21.2 minutes. Cable open-circuited in 29.44 seconds. (4) Fault cable did not open-circuit at 501 amperes. 890 amperes applied after 19.7 minutes. Cable open-circuited in 24.35 seconds. 8.1.4 Conclusions Based on the above results, SWEC commenced an analysis program to reduce some of the conservativeness designed into the original test methodology. The curves of temperature rise versus time from the Heat Rise Tests were analyzed in conjunction with the times established in BVPS-2 Calculation 12241-E-111 " Determination of 480V Motor Pigtail Failure Times". This analysis established the Triplex 6 AWG Cu (Mark No. NKZ-19) as the cable to be faulted (LRA) for a period of 8.4 minutes in Configurations No. I through 6. O WYLE LABORATORIES Huntsville Facility 1
Pago No. 9 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.2 Configuration Number 1 Configuration Number 1 consisted of three free air tests between a wrapped fault ' cable and unwrapped target cables mounted as described below: 8.2.1 Description 8.2.1.1 Test No.1 Cable Size Function Location Cable Wrapping Powering Triplex Fault Cable Inside Wrap Bottom Half - PW A 29A, 60A, 90A, 6AWG Top Half - PW B 316A and 600A* Triplex Target Cable In Contact Unwrapped 480 VAC,34,9A 6AWG with Fault 1 Cable 2/C 16 AWG Target Cable In Contact Unwrapped 120 VAC,14,5A with Fault Cable Tw. Pr. Target Cable In Contact Unwrapped 50 VAC,14,1A V 16 AWG with Fault Cable
- Warmup currents, rated current, overload current, and short circuit current.
8.2.1.2 Test No.1A Cable Size Function Location Cable Wrapping Powering Triplex Fault Cable Inside Wrap PW D 87A, 316A, 977A* Tw. Pr. Target Cable In contact Unwrapped 50 VAC,1 ,1 A 16 AWG with Fault Cable Tw. Pr. Target Cable 3/8 inch Unwrapped 50 VAC,1 ,1A 16 AWG Separation Tw. Pr. Target Cable 3/4 inch Unwrapped 50 VAC,14, IA 16 AWG Separation Tw. Pr. Target Cable 1 inch Unwrapped 50 VAC,1 , IA 16 AWG Separation
- Warmup current, overload current, and short circuit current.
O WYLE LABORATORIES Huntsvine Facility
Page No. 10 Test Report No. 17666-02, Revision A 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.2 Configuration Number 1 (Continued) 8.2.1 Description (Continued) 8.2.1.3 Test No.1B Cable Size Function Location Cable Wrapping Powering Triplex Fault Cable Inside Wrap PW E 87A, 316A, 6AWG 429A* Tw. Pr. Target Cable In Contact Unwrapped 50 VAC,1 ,1 A 16 AWG with Fault Cable Wrap Tw. Pr. Target Cable 3/8 inch Unwrapped 50 VAC,1 ,1 A 16 AWG Separation Tw. Pr. Target Cable 3/4 inch Unwrapped 50 VAC,1 ,1 A 16 AWG Separation l Tw. Pr. Target Cable 1 inch Unwrapped 50 VAC,1 ,1 A 16 AWG Separation h
- Warmup current, overload current, and short circuit current, as applicable. A l
This configuration represents field installation of free air drops for cables goirig from:
- a. Tray to tray
( b. Tray to conduit
- c. Conduit to conduit
- d. Tray / Conduit to equipment.
8.2.2 Purpose The purpose of the Configuration Number 1 Tests was to demonstrate that a faulted cable enclosed in Protective Wrap A, B, D or E does not affect external cables with less than 1-inch separation. 8.2.3 Results The results of the three Configuration Number 1 Tests are briefly summarized in the following subsections. O WYLE LABORATORIES Huntsville Facility
Pags No. 11 Test Report No. 17666-02 b \d 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.2 Configuration Number 1 (Continued) 8.2.3 Results (Continued) 8.2.3.1 Test No.1 Maximum Jacket Cable Size Funetion Location Temperatures (OF ) Triplex 6 AWG Fault Cable Inside Wrap 1257.9 F*/1052.40F*
- Triplex 6 AWG Target Cable In Contact with 291.5 F *
- Fault Cable 2/C 16 AWG Target Cable In Contact with 887.1 F*
Fault Cable Tw. Pr.16 AWG Target Cable In Contact with 264.7 F *
- Fault Cable Time to Ignition: None Time to Open Circuit: Fault cable did not open-circuit with 316 amperes applied for 8.4 minutes. Open-circuited in 4.0 seconds i )s with 600 amperes applied.
- Temperatures on PW B end of fault cable.
** Temperatures on PW A end of fault cable.
8.2.3.2 Test No.1A Maximum Jacket Cable Size Function Location Temperatures (*F) Triplex 6 AWG Fault Cable Inside PW D 1452.4 F Tw. Pr.16 AWG Target Cable In Contact with 745.8 F Fault Cable Wrap Tw. Pr.16 AWG Target Cable 3/8 inch Separation 670.7 F Tw. Pr.16 AWG Target Cable 3/4 inch Separation 900.2 F Tw. Pr.16 AWG Target Cable 1 inch Separation 646.7 F Time to Ignition: 7 minutes. Fault cable ignited at unwrapped section and then in the center of the wrapped section. Fires were independent of each other. Fire in center of wrapped section caused Ignition of the in-contact and 1-inch separated cables. Time to Open Circult: Fault cable did not open circuit with 316 ) amperes / phase applied for 8.4 minutes. Open-circuited in 2.04 seconds with 977 amperes / phase l applied. WYLE LABORATORIES 1 Huntsville Facility i
)
Pag 2 N:. 12 Test R: port No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.2 Configuration Number 1 (Continued) 8.2.3 Results (Continued) 8.2.3.3 Test No.1B Maximum Jacket Cable Size Function Location Temperatures (OF) Triplex 6 AWG Fault Cable Inside PW E 1998.8(1)jgg79,9(2) Tw. Pr.16 AWG Target Cable In Contact with 421.3(3)/504.7I4) Fault Cable Wrap Tw. Pr.16 AWG Target Cable 3/8 inch separation 166.4(3)/727.4I4) Tw. Pr.16 AWG Target Cable 3/4 inch separation 105.2(3)/824.5I4) Tw. Pr.16 AWG Target Cable 1 inch separation 105.1(3)/713.7I4) Notes
- 1) Illghest jacket temperature on unwrapped portion of fault cable.
(2) Illghest jacket temperature on wrapped portion of fault cable. (3) liighest Jacket temperature on thermocouples not affected by flames. (4) liighest jacket temperature on thermocouples affected by flames. Time to Ignition: 9 minutes on unwrapped portion of fault cable. Burning l Insulation fell on top of wrapped portion of cable and caused two additional ignitions. Time to Open Circult: Fault cable did not open circuit with 316 amperes applied for 8.4 minutes. Open-circuited in 35.52 seconds with 429 amperes applied. O WYLE LABORATORIES Huntsvil!e Facility
Paga No. 13 Test Report No. 17666-02, Revision A o 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.2 Configuration Number 1 (Continued) 8.2.4 Conclusions These results generated the following conclusions:
- 1. During Test No.1, the acceptability of design was demonstrated where two cables in free air come in contact with each other when a worst-case electrical fault occurs to a cable inside either PW A or PW B. The high temperature observed outside the PW B end of the fault cable (887.loF), during Test No.1, did scortch the jacket on the target cables, but the capability of the target cables to conduct rated current at 480 VAC (power target cable),120 VAC (control target cable), or 50 VAC (instrument target cable), as applicable, or to successfully pass the Insulation Resistance and High Potential Tests after the A Overcurrent Test was not impared. In addition, the high observed temperature was attributed to a chimney effect that occurred at the transition of the two wrapping materials.
- 2. The PW B, used in Test No.1, is capable of precluding ignition of a cable subjected to the worst-case electrical fault when the entire cable is wrapped in this wrap. Temperatures recorded inside the wrapping material exceeded the 7700F self-ignition temperature of the fault cables insulation (Reference O
V Okonite Company ASTM D-1929-77 Report to Stone and Webster Engineering Corporation dated August 24, 1984). This cable did not ignite because the wrapping material limits the oxygen available to a level which is insufficient to sustain combustion.
- 3. The equivalency of the PW B and PW A was not demonstrated by Test No.1.
- 4. The utilization of PW D, in Test No.1A, does not provide sufficient mechanical integrity to withstand the gas pressure that develops as the faulted cable off-gasses. The 3M No. 69 glass tape parted in the center of the wrapped section which permitted very heavy off-gassing to occur at that point. These gasses did ignite and subsequently ignited the outer Jacket on two of the target cables. All target cables maintain their continuity of power during the Overcurrent Test, but the target cable separated by one inch failed the Post-Test Functional Tests.
- 5. The utilization of PW E, in Test No.18, does provide sufficient integrity to withstand the gas pressure that develops as the fault cable off-gasses and to prevent an external flame from tracking along the outside of the wrapping material. The ignitions that occurred during this test were small and localized, outside the wrapping material, and occurred because flaming insulation fell from the unwrapped portion of this cable onto the wrapped portion.
O O WYLE LABORATORIES Huntsville Facility
Paga No. 14 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.3 Configuration Number 2 8.3.1 Description Configuration Number 2 consisted of a free air test between an unwrapped fault cable and a wrapped target cable as described below: Cable Size Function Location Cable Wrapping Powering Triplex 6 AWG Fault Cable Outside Wrap Unwrapped 29A, 60A, 90 A, and 316A* 6 Tw. Pr. Target Cable Inside Wrap Half of cable single layer, 50 VAC,1p, 20AWG in contact with PW B. Half of cable PW A. IA Fault Cable
- Warmup currents, rated current, and overload current.
This configuration represents field installations of free air cable drops for cables going from:
- a. Tray to tray
- b. Tray to conduit
- c. Conduit to conduit
- d. Tray / Conduit to equipment.
8.3.2 Purpose The purpose of the Configuration Number 2 Test was to demonstrate that a faulted cable external to either PW A or PW B does not affect the protected cable with less than one inch. l I i WYLE LABORATORIES l HuntsysHe Facihty
Page No. 15 Test Report No. 17666-02
~'N (d 8.0 TEST PROGRAM DESCRIP'ITON (Continued) 8.3 Configuration Number 2 (Continued) 8.3.3 Results The results from the Configuration Number 2 Test are briefly described below:
Maximum Jacket Cable Size Function Location Temperatures (OF) Triplex 6 AWG Fault Cable Outside Wrap 1156.2(1)/1146.7(2) t 6 Tw. Pr.16 AWG Target Cable Inside Wrap 181.5(1)/119.2(2) In Contact with Fault Cable Notes: (1) Temperatures on half of fault cable wrapped with PW B wrap. (2) Temperatures on half of fault cable wrapped with PW A wrap. Time to Ignition: 8 minutes Time to Open Circuit: 8.12 minutes 8.3.4 Conclusions These results generated the following concluripps:
- 1. The acceptability of design was demonstrated where two free air cables, one wrapped and one unwrapped, come in contact with each other when a worst-case electrical fault occurs to the unwrapped cable.
- 2. It was demonstrated that a faulted cable external to cable wrapped in either the PW A or PW B, does not significantly affect the protected cable with zero-inch separation.
O WYLE LABORATORIES Huntsville Facihty
Pags No. 16 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.4 Configuration Number 3 8.4.1 Description Configuration Number 3 consisted of three tests between a dropout cable and an overfilled tray (Tray T2) with a solid cover, in a 4-tray stack (Trays T1-T4) as described below: 8.4.1.1 Test No.1 Cable Size Function Location Powering Triplex 6 AWG Fault Cable Dropout of Tray T1, 29A, 90 A, 316 A
- Rest on cover of T2 and drop past Trays T3 and T4 2/C 16 AWG Target Cable Under cover on Tray T2 120 VAC,14,5A 2/C 16 AWG Target Cable Under cover on Tray T2 120 VAC,14,5A 2/C 16 AWG Target Cable Under cover on Tray T2 120 VAC,1 ,5A 2/C 16 AWG Target Cable Under cover on Tray T2 120 VAC,1 &, 5A 2/C 16 AWG Target Cable Under cover on Tray T2 120 VAC,14,5A 2/C 16 AWG Target Cable Under cover on Tray T2 120 VAC,14, 5A
- Warmup current, rated current, and overload current.
l 8.4.1.2 Test No. 2 l Cable Size Function Location Powering Triplex 6 AWG Target Cable Dropout of Tray T1, 480 VAC,34,29A rests on cover of Tray T2 and drops past l Trays T3 and T4. l l Two - 2/C Fault Cable Under cover on Tray T2 S A, 67A ! 16 AWG Cables per conductor
- l in series
- Rated current and overload current.
NOTE: The Multi-Amp Test Set cou.ld not obtain 75 amperes / conductor. Therefore, this 3 test was repeated, designated Test 2A. See Notice of Anomaly No. 2 in W Appendix I of Section IV. l l WYLE LABORATORIES Huntsville Facility
P:ge No. 17 s s Test Rtport No. 17666-02 , O ( U 8.0 TEST PROGRAM DESCRIPTION (Continued)
.x 8.4 Configuration Number 3 (Continued) 8.4.1 Description (Continued) 8.4.1.3 Test No. 2A Cable Size Function Location Pdwering Triplex 6 AWG Target Cable Dropout of Tray T1, 480 VAC,'3 ,29A
'~
rests on cover of Tray T2 and drops past Trays T3 and T4 Two - 2/C Fault Cabh Undct cover on Tray T2 SA,75A 16 AWG Cables ' per conductor
- in parallel
- Rated current and overload current.
8.4.2 Purpose The purposes of the Configuration Number 3 Tests were to:
- 1. Demonstrate the acceptability of a single solid nonventilated, tray cover as a barrier with target cables in contact on one side of the cover and faulted cables in contact on the other side of the cover.
- 2. Demonstrate that a faulted dropout cable from Tray T1 does not affect cables in Trays T2 with a single cover, T3, and T4 below it.
- 3. Demonstrate that a faulted cable in a tray, with a single cover, does not affect adjacent cables, those dropping out from Tray T1 above, those in Tray T1, or in Trays T3 and T4 below.
O WYLE LABORATORIES Huntsville Facility
Pags No. 18 l Test Report No. 17666-02 1 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.4 Configuration Number 3 (Continued) 8.4.3 Results The results from the three Configuration Number 3 Tests are briefly summarized below: 8.4.3.1 Test No.1 Maximum Jacket Cable Size Function Location Temperatures (OF) Triplex 6 AWG Fault Cable Dropout T1, 1835.0 Rests on T2 Cover, Drops past T3 and T4 2/C 16 AWG Target Cable Under Cover - T2 61.2 2/C 16 AWG Target Cable Under Cover - T2 61.0 2/C 16 AWG Target Cable Under Cover - T2 68.3 2/C 16 AWG Target Cable Under Cover - T2 90.3 2/C 16 AWG Target Cable Under Cover - T2 74.9 0 2/C 16 AWG Target Cable Under Cover - T2 59.4 N/A N/A Siderail - T3 109.3 N/A N/A Siderail - T4 101.9 Time to Ignition: None. Time to Open Circuit: Fault cable did not open circuit with 316 amperes applied for 5.4 minutes and 280 amperes applied for l 3.0 minutes. Due to the long-fault cable length, the Multi-Amp Test Set could not supply more than 280 amperes at end of this test; therefore, the short circuit current could not be applied. l I O!1 WYLE LABORATORIES Huntsville Facility
L Pega No. 19 Test Report No. 17666-02 ( 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.4 Configuration Number 3 (Continued) 8.4.3 Results (Continued) 8.4.3.2 Test No. 2 Maximum Jacket Cable Size Function Location Temperatures (OF) Triplex 2 AWG Target Cable Dropout T1, 84.5 Rests on T2 Cover Drops past T3 and T4 l Two - 2/C 16 AWG Fault Cable Under Cover - T2 304.0 l Cables in Series , ( Time to Ignition: None Time to Open Circuit: None. Due to the long fault cable length, the Multi-Amp Test Set could not supply 75 amperes to the fault cable. The test was terminated after 30.0 minutes at the request
- of the SWEC Technical Representative (see Notice of Anomaly No. 2). Fault cable current, initially at 67 amperes, had decayed to 40.4 amperes at this point. The results from this test were not used to generate test conclusions. This test was repeated (designated Test 2A) in order to obtain more valid results.
8.4.3.3 Test No. 2A Maximum Jacket Cable Size Function Location Temperatures (*F) Triplex 2 AWG Target Cable Dropout T1, 95.7 Rests on T2 cover, Drops past T3 and T4 Two - 2/C 16 AWG Fault Cable Under Cover - T2 674.8 Cables in Parallel Time to Ignition: 7.4 minutes Time to Open Circult: 7.71 minutes , O WYl.E LABORATORIES Huntsydte Facility
1 P:ga No. 20 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.4 Configuration Number 3 (Continued) 8.4.4 Conclusions These results generated the following conclusions:
- 1. The acceptability of design was demonstrated where a dropout cable comes in contact with a cable tray protected with a single nonventilated solid tray cover, when the faulted cable was either the dropout cable or the cable inside the tray.
- 2. The acceptability of a single solid nonventilated tray cover as a barrier was demonstrated when the worst-case electrical fault occurs to a cabl on either side of the cover. The maximum temperatu e recorded on the target cables, on the opposite side of the cable tray cover from the faulted cable, was 95.7 F even though ignition occurred during Test 2A and a maximum fault cable temperature of 1835.0 F was recorded during Test 1.
- 3. It was demonstrated that a faulted unwrapped dropout cable does not affect the cables in ladder rung trays below it. The fault cable in Test 1 passed 1/4 inch from the siderails of Trays T3 and T4, but the maximum temperature recorded on these trays was only 109.3 F.
- 4. It was demonstrated that a faulted cable in a tray, with a single cover, does not affect cables dropping past this tray or cables in trays above or below it. The maximum temperature observed in target Trays T1, T3, or T4 was only 72.5 F with ignition occurring to the ends of the faulted cables in Test 2A.
O WYLE LABORATORIES Huntsville Facihty
P ga No. 21 Test Report No. 17666-02, Revision A 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.5 Configuration Number 4 8.5.1 Description Configuration Number 4 consisted of a test in a 4-tray stack, between six dropout cables, from the top tray (Tray T1) and a fault cable inside a ladder rung tray (Tray T2) with a ventilated cover, as described below: Cable Size Function Location Powering A Triplex 2 AWG Target Cable Dropout of Tray T1 to 480 VAC,3p,60A hill of Tray T2 cover Triplex 2 AWG Target Cable Dropout of Tray T1 to 480 VAC,3p,60A valley of Tray T2 cover 2/C 16 AWG Target Cable Dropout of Tray T1 to 120 VAC,1@,5A hill of Tray T2 cover 2/C 16 AWG Target Cable Dropout of Tray T1 to 120 VAC,1p, SA valley of Tray T2 cover Tw. Pr.16 AWG Target Cable Dropout of Tray T1 to 50 VAC,1 ,1 A hill of Tray T2 cover Tw. Pr.16 AWG Target Cable Dropout of Tray T1 to 50 VAC,1 ,1 A valley of Tray T2 cover Triplex 6 AWG Fault Cable Under Cover Tray T2 29 A, 316 A, and 567A per conductor *
- Rated current, overload current, and short circuit current.
. l 8.5.2 Purpose The purposes of the Configuration Number 4 Test were to:
- 1. Demonstrate that a faulted cable in a tray, with ventilated top and bottom covers, does not affect cables in trays above or below it.
- 2. Demonstrate that a faulted cable in a tray, with ventilated top and bottom covers, does not affect dropout cables in contact with the ventilated cover or passing over the ventilated openings.
v WYLE LABORATORIES Huntsville Facility
i l Pags No. 22 i Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) - 8.5 Configuration Number 4 (Continued) 8.5.3 Results The results of the Configuration Number 4 Test are briefly summarized below: Maximum Jacket Cable Size Function Location Temperatures ( F) Triplex 6 AWG Fault Cable Under Cover - T2 1969.7 Triplex 2 AWG Target Cable Dropout T1 294.2 Hill of T2 Cover Triplex 2 AWG Target Cable Dropout T1 148.0 Valley of T2 Cover 2/C 16 AWG Target Cable Dropout T1 314.3 Hill of T2 Cover 2/C 16 AWG Target Cable Dropout T1 160.4 Valley of T2 Cover Tw. Pr.16 AWG Target Cable Dropout T1 323.0 Tw. Pr.16 AWG Target Cable Hill of T2 Cover Dropout T1 207.9 g Valley of T2 Cover N/A N/A Rungs - T1 108.9 N/A N/A Cover - T2 410.9 N/A N/A Siderail - T3 68.5 N/A N/A Siderail - T4 65.0 Time to Ignition: 5 minutes Time to Open Circuit: Fault cable did not open circuit with 316 amperes / phase applied for 8.4 minutes. Open-circuited in 2.10 seconds with 567 amperes / phase applied. WYLE LABORATORIES Huntsville Facility L ._
Pags No. 23 Test Report No. 17666-02 O 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.5 Configuration Number 4 (Continued) 8.5.4 Conclusions These results generated the following conclusions:
- 1. The acceptability of design was demonstrated where power, control, and/or instrumentation dropout cables came in contact with a ventilated tray cover, either on the hill or valley of the ventilated cover or passing the ventilation opening, when the fault occurs inside the covered cable tray. During this test, ignition occurred to the fault 0cable, but cables in contact with the cover saw maximum temperatures of 207.9 F, and those passing the ventilation openings saw maximum temperatures of 323.0 F.
- 2. It was demonstrated that a faulted cable in a tray with ventilated top and bottom covers does not affect cables in target Tray T1 above it or in targgt Trays T3 and T4 below it. Although ignition and a maximum temperature of 1969.7 F occurred in Tray T2, the maximum temperature recorded at the other trays was only 108.9 F.
O I 1 I 1 l O l WYLE LABORATORIES Huntsville Fac6hty
Pcg No. 24 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.6 Configuration Number 5 8.6.1 Description Configuration Number 5 consisted of two tests between an uncovered horizontalladder rung tray and an uncovered vertical ladder rung tray with 1-inch horizontal separation as described below. 8.6.1.1 Test No.1 Cable Size Function Location Powering Triplex 2 AWG Target Cable Horizontal Tray 480 VAC,34,60 A Top Layer 2/C 16 AWG Target Cable Horizontal Tray 120 VAC,14,5A Top Layer Tw. Pr.16 AWG Target Cable Horizontal Tray 50 VAC, id,1A Top Layer Triplex 6 AWG Fault Cable Vertical Tray 29 A, 90 A, 316 A, , Top Layer 593A* 1
- Warmup current, rated current, overload current, and short circuit current.
8.6.1.2 Test No. 2 Cable Size Function Location Powering l i Triplex 2 AWG Target Cable Vertical Tray 480 VAC,34,60A l Top Layer l 2/C 16 AWG Target Cable Vertical Tray 120 VAC,1p,5A Top Layer Tw. Pr.16 AWG Target Cable Vertical Tray 50 VAC,14, IA Top Layer Triplex 6 AWG Fault Cable Horizontal Tray 29A, 90A, 316 A, Top Layer 800A*
- Warmup current, rated current, overload current, and short circuit current.
O I WYLE LABORATORIES Huntsville Facihty
Pags No. 25 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.6 Configuration Number 5 (Continued) 8.6.2 Purpose The purpose of the Configuration Number 5 Tests was to:
- 1. Demonstrate that where an uncovered vertical tray passes perpendicular to an uncovered horizontal tray, with 1-inch separation, a faulted cable in either tray does not affect cables in the other tray.
- 2. Demonstrate that a cable wrapped in PW A, PW B, or PW B with a single layer, 50%
overlap, of 3M No. 69 glass tape, will not allow an external fire to propagate along the outside of the wrapped cable. 8.6.3 Results The results of the two Configuration Number 5 Tests are briefly summarized below. 8.6.3.1 Test No.1 Maximum Jacket Cable Size Function Location Temperatures ('F) Triplex 6 AWG Fault Cable Vertical Tray 1746.3 Top Layer Triplex 2 AWG Target Cable Horizontal Tray 90.2 Top Layer 2/C 16 AWG Target Cable Horizontal Tray 76.3 Top Layer Tw. Pr.16 AWG Target Cable Horizontal Tray 66.0 Top Layer N/A N/A Siderail 203.6 Horizontal Tray N/A N/A Siderall 65.0 Vertical Tray Time to Ignition: 7.9 minutes Time to Open Circuit: Fault cable did not open circuit with 316A/ phac , applied for 8.4 minutes. Open-circuited in 10.58 s seconds with 593 amperes / phase applied. WYLE LABORATORIES Huntsville Facility
Paga No. 26 Test Report No. 17666-02
~
8.0 TEST PROGRAM DESCRIPTION (Continued) 8.6 Configuration Number 5 (Continued) 8.6.3 Results (Continued) 8.6.3.2 Test No. 2 Maximum Jacket Cable Size Function Location _'Iemperatures ( F) Triplex 6 AWG Fault Cable Horizontal Tray 1379.9 Top Layer Triplex 2 AWG Target Cable Vertical Tray 88.3 Top Layer 2/C 16 AWG Target Cable Vertical Tray 109.2 Top Layer Tw. Pr.16 AWG Target Cable Vertical Tray 144.9 Top Layer N/A N/A Siderail 275.6 g Horizontal Tray W N/A N/A Siderail 66.1 j Vertical Tray Time to Ignition: 6.5 minutes Time to Open Circuit: Fault cable did not open circuit with 316 amperes / phase
- applied for 8.4 minutes. Open-circuited in 4.43 seconds j with 800 amperes / phase applied.
O WYLE LABORATORIES Huntsville Facility A
l Pags No. 27 Test Report No. 17666-02, Revision A 8.0 TEST PROGRAM DESCRIPTION (Continued) , I 8.6 Configuration Number 5 (Continued) 8.6.4 Conclusions These results generated the following conclusions:
- 1. The acceptability of design was demonstrated where an uncovered verticalladder rung tray passes perpendicular to and one inch away from an uncovered horizontal ladder rung tray when the worst-case electrical fault occurs in either tray. Although fires occurred in both tests, target cables mounted in the worst possible location were relatively unaffected. The fires that occurred were localized fires that self-extinguished prior to propagation to other cables in their tray or to the target tray.
- 2. It was demonstrated that an external fire will not propagate along the outside of a cable wrapped in PW A.
A O V O WYLE LABORATORIES Huntsysile Fac:hty
Paga No. 28 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIP' HON (Continued) 8.7 Configuration Number 6 8.7.1 Description Configuration Number 6 consisted of two tests between an uncovered horizontalladder rung tray and a parallel conduit mounted one-inch vertically above it as described below: 8.7.1.1 Test No.1 Cable Size Function Location Powering Triplex 2 AWG Target Cable Inside Rigid 480 VAC,34,60A Steel Conduit 2/C 16 AWG Target Cable Inside Rigid 120 VAC,1p, 5A Steel Conduit Tw. Pr.16 AWG Target Cable Inside Rigid 50 VAC,1 ,1 A Steel Conduit Triplex 6 AWG Fault Cable Horizontal Tray 29 A, 90 A, 316 A, Top Layer 630A*
- Warmup current, rated current, overload current, and short circuit current.
8.7.1.2 Test No. 2 Cable Size Function Location Powering
- Triplex 2 AWG Target Cable Horizontal Tray 480 VAC,3p,60A
- Top Layer 2/C 16 AWG Target Cable Horizontal Tray 120 VAC,14,5A Top Layer Tw. Pr.16 AWG Target Cable Horizontal Tray 50 VAC,14,1A Top Layer Triplex 6 AWG Fault Cable Inside Aluminum 29 A, 90 A, 316 A, Conduit 643*
- Warmup current, rated current, overload current, and short circuit current.
O WYLE LABORATORIES Huntsville Facility
Paga No. 29 Test Report No. 17666-02 (' x 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.7 Configuration Number 6 (Continued) 8.7.2 Purpose The purposes of the Configuration Number 6 Tests were to:
- 1. Demonstrate that a faulted cable enclosed in a conduit does not affect external cables with one-inch minimum separation.
- 2. Demonstrate that a faulted cable external to a conduit with one-inch minimum separation does not affect cables internal to the conduit.
- 3. Demonstrate that a cable wrapped in PW A or PW E will not allow an external fire to propagate along the outside of the wrapped cable.
8.7.3 Results The results of the two Configuration Number 6 Tests are briefly described below: 8.7.3.1 Test No.1 ( \ Maximum Jackat
~
Cable Size Function Location Temperatures N) Triplex 6 AWG Fault Cable Horizontal Tray 1857.4 Top Layer Triplex 2 AWG Target Cable In Conduit 143.8 2/C 16 AWG Target Cable In Conduit 146.4 Tw. Pr.16 AWG Target Cable In Conduit 211.8 N/A N/A Underneath 860.4 Conduit Time to Ignition: 8.3 minutes Time to Open Circuit: Fault cable did not open circuit with 316 amperes / phase applied for 8.4 minutes. Open-circuited in 15.23 seconds with 630 amperes / phase applied. O WYLE LABORATORIES Huntsville Facility
Paga No. 30 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.7 Configuration Number 6 (Continued) 8.7.3 Results 8.7.3.2 Test No. 2 Maximum Jacket Cable Size Funetion Location Temperatures (OF ) Triplex 6 AWG Fault Cable In Conduit 1655.5 Triplex 2 AWG Target Cable Horizontal Tray 66.8 Top Layer 2/C 16 AWG Target Cable Horizontal Tray 61.5 Top Layer Tw. Pr.16 AWG Target Cable Horizontal Tray 61.1 Top Layer N/A N/A Underneath 372.8 Conduit Time to Ignition: None O Time to Open Circuit: Fault cable did not open circuit with 316 amperes / phase applied for 8.4 minutes. Open-circuited in 15.29 seconds with 643 amperes / phase applied. 8.7.4 Conclusions l These results generated the following conclusions:
- 1. The acceptability of design was demonstrated where a conduit passes within one inch vertically from the cables in an uncovered ladder rung tray when the worst-case electrical fault occurs in either the conduit or tray. During Test No. 2, the target cables were within 1/8 inch of the conduit at one location.
- 2. It was demonstrated that a conduit is an effective barrier when mounted within one inch of bare cable. The conduit was capable of distributing the heat from the faulted cable, in Test No.1,. such that the target cables inside the conduit saw a maximum temperature of 211.8 F with maximum temperatures of 1857.4CF juet one inch below the conduit. In Test No. 2, the conduit contained the fault cable heat so effectively that the target cab!cs were unaffected thermally.
- 3. It was demonstrated that an external fire will not propagate along the outside of a cable wrapped in PW A or PW E.
h WYLE LABORATORIES Huntsville Facility
Paga No. 31 Test Report No. 17666-02 O 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.8 Configuration Number 7 8.8.1 Description Configuration Number 7 consisted of six tests between 1/C 12 AWG SIS wires inside an enclosure. The fault cable was wrapped in PW B for Tests No. I through ID. One of the two target cables was wrapped in PW B for Test No. 2, while the other (unwrapped) target cable was mounted one inch away from the fault cable. These tests can be differentiated as described below. 8.8.1.1 Test No.1 Cable Size Function Location Powering 1/C 12 AWG Fault Cable Wrapped 9A, 25A, 75A
- 1/C 12 AWG Target Cable Unwrapped 120 VAC,1p,9A In Contact with Fault Cable 1/C 12 AWG Target Cable Unwrapped 120 VAC,14,9A one inch from Fault Cable
- Warmup current, rated current, and overload current.
8.8.1.2 Test No.1A Cable Size Function Location Powering 1/C 12 AWG Fault Cable Wrapped 9A, 90 A
- 1/C 12 AWG Target Cable Unwrapped 120 VAC,14,9A In Contact 1/C 12 AWG Target Cable Unwrapped 120 VAC,14,9A one inch away
- Rated current and overload current.
b a WYLE LABORATORIES Huntsville Facility
Pag: No. 32 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.8 Configuration Number 7 (Continued) 8.8.1 Description (Continued) 8.8.1.3 Test No.1B Cable Size Function Location Powering 1/C 12 AWG Fault Cable Wrapped 9 A,105 A
- 1/C 12 AWG Target Cable Unwrapped 120 VAC,1 ,9A In Contact 1/C 12 AWG Target Cable Unwrapped 120 VAC,1p,9A one inch away
- Rated current and overload current.
- 8.8.1.4 Test No.1C 1 .
Cable Size Function Location Powering 1/C 12 AWG Fault Cable Wrapped 9A,120 A
- 1/C 12 AWG Target Cable Unwrapped 120 VAC,14,9A In Contact l 1/C 12 AWG Target Cable Unwrapped 120 VAC,14,9A l one inch away
- Rated current and overload current.
I 8.8.1.5 Test No.1D Cable Size Function Location Powering 1/C 12 AWG Fault Cable Wrapped 9 A,150 A
- 1 1/C 12 AWG Target Cable Unwrapped 120 VAC,1@,9A In Contact 1/C 12 AWG Target Cable Unwrapped 120 VAC,14,9A one inch away
- Rated current and overload current.
O WYLE LABORATORIES Huntsville Facility
1 Paga No. 33 Test Report No. 17666-02
' 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.8 Configuration Number 7 (Continued) 8.8.1 Description (Continued) 8.8.1.6 Test No. 2 Cable Size Function Location Powering 1/C 12 AWG Fault Cable Unwrapped 9 A,150 A
- 1/C 12 AWG Target Cable Wrapped 120 VAC,14,9A In Contact 1/C 12 AWG Target Cable Unwrapped 120 VAC,1p,9A one inch away
- Rated current and overload current.
8.8.2 Purpose p The purposes of the Configuration Number 7 Tests were to:
\ .
- 1. Demonstrate that, in a panel, a faulted SIS wire enclosed in PW B will not affect a SIS wire with zero-inch separation.
- 2. Demonstrate that, in a panel, a faulted SIS wire will not affect a SIS wire enclosed in PW B with zero-inch separation.
- 3. Demonstrate that, in a panel, a faulted SIS wire will not affect another SIS wire with one-inch separation.
4 O O f O WYLE LABORATORIES Huntsville Facility
I Pags No. 34 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.8 Configuration Number 7 (Continued) 8.8.3 Results The results of the six Configuration Number 7 Tests are briefly summarized below. 8.8.3.1 Test No.1 Maximum Jacket Cable Size Function Location Temperatures ( F) 1/C 12 AWG Fault Cable Wrapped 299.6 1/C 12 AWG Target Cable Unwrapped - 173.9 In Contact 1/C 12 AWG Target Cable Unwrapped - 69.7 one inch away Time to Ignition: None Time to Open Circuit: Fault cable did not open circuit with 75 amperes applied. Temperatures peaked and decreased after 162.3 minutes and then test was terminated. 8.8.3.2 Test No. IA Maximum Jacket Cable Size Function Location Temperatures ( F) l 1/C 12 AWG Fault Cable Wrapped 354.3 l 1/C 12 AWG Target Cable Unwrapped - 217.0 l In Contact 1/C 12 AWG Target Cable Unwrapped - 69.7 one inch away Time to Ignition: None Time to Open Circuit: Fault cable did not open circuit with 90 amperes applied. Temperatures peaked and decreased after 149.0 minutes and then test was terminated. O WYLE LABORATORIES Huntsville Facility
Paga No. 35 Test Report No. 17666-02
)
8.0 TEST PROGRAM DESCRIPTION (Continued) 8.8 Configuration Number 7 (Continued) 8.8.3 Results (Continued) 8.8.3.3 Test No.1B Maximum Jacket Cable Size Function Location Temperatures ( F) 1/C 12 AWG Fault Cable Wrapped 1018.1 1/C 12 AWG Target Cable Unwrapped - 433.5 In Contact 1/C 12 AWG Target Cable Unwrapped - 113.7 one inch away Time to Ignition: None Time to Open Circuit: Fault cable did not open circuit with 105 amperes applied. Temperatures peaked and decreased after 181.0 minutes and then test was terminated. O 8.8.3.4 Test No. IC Maximum Jacket Cable Size Function Location Temperatures ( F) 1/C 12 AWG Fault Cable Wrapped 1263.0 1/C 12 AWG Target Cable Unwrapped - 587.0 In Contact 1/C 12 AWG Target Cable Unwrapped - 140.0 one inch away Time to Ignition: None Time to Open Circuit: Fault cable did not open circuit with 120 amperes applied. Temperatures peaked and decreased after 95.7 minutes and then test was terminated. O WYLE LABORATORIES Huntsville Facility
Pago No. 36 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.8 Configuration Number 7 (Continued) 8.8.3 Results (Continued) 8.8.3.5 Test No.1D Maximum Jacket Cable Size Function Location Temperatures ( F) 4 1/C 12 AWG Fault Cable Wrapped 1493.7 1/C 12 AWG Target Cable Unwrapped - 283.3 i In Contact 1/C 12 AWG Target Cable Unwrapped - 63.7 one inch away Time to Ignition: None Time to Open Circuit: 189.67 seconds at 150 amperes. 8.8.3.6 Test No. 2 Maximum Jacket Cable Size Function Location Temperatures ( F) i 1/C 12 AWG Fault Cable Unwrapped 1275.5 l l 1/C 12 AWG Target Cable Wrapped - 199.5 j In Contact 1/C 12 AWG Target Cable Unwrapped - 188.9 one inch away Time to Ignition: None I l Time to Open Circuit: 26.9 minutes at 150 amperes l l O WYLE LABORATORIES Huntsville Facility l l
Paga No. 37 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIP'ITON (Continued) 8.8 Configuration Number 7 (Continued) 8.8.4 _ Conclusions These results generated the following conclusions:
- 1. It was demonstrated that, inside a panel, a faulted SE wire inside PW B will not adversely affect an in-contact SIS wire.
- 2. It was demonstrated that, inside a panel, a faulted SIS wire will not adversely affect an in-contact SIS wire inside PW B.
- 3. It was demonstrated that, inside a panel, an unwrapped faulted SIS wire will not adversely affect an unwrapped SIS wire mounted one inch away.
1 4 l WYLE LABORATORIES Huntsville Facihty
Pagn No. 38 Test Report No. 17666-02 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.9 Ampacity Tests 8.9.1 Description Ampacity Tests consisted of eight tests to determine the allowable current level for various cable sizes in various wrapping conditions. These tests can be differentiated as described below: Test No. Cable Size Wrapping Materials 1 Triplex 250 MCM Unwrapped 2 Triplex 250 MCM PW C 3 Triplex 250 MCM PW A 4 Triplex 250 MCM PW E 5 Triplex 6 AWG Unwrapped 6 Triplex 6 AWG PW C 7 Triplex 6 AWG PW A 8 Six - 3/C 8 AWG PW C 8.9.2 Purpose The purpose of the Ampacity Tests was to demonstrate that no additional derating, beyond present design ampacities at BVPS-2, is required when a cable or cables are wrapped using either PW A, PW C, or PW E. O WYLE LABORATORIES Huntsville Fscility
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Paga No. 39 Test Report No. 17666-02, Revision A p b 8.0 TEST PROGRAM DESCRIPTION (Continued) 8.9 Ampacity Tests 8.9.3 Results The results of the eight Ampacity Tests are briefly described below: A Test Current for Test Design 900C Conductor No. Cable Size Wrapping Ampacity* Temperature * *
- 1 Triplex 250 MCM Unwrapped 306A 458A 2 Triplex 250 MCM PW C 306A 342A
- 3. Triplex 250 MCM PW A 306A 323A 4 Triplex 250 MCM PW E 306A 346A 5 3 Triplex 6 AWG Unwrapped 73A/29A *
- 113A 6 Triplex 6 AWG PW C 73 A/29 A*
- 83A (3
V 7 Triplex 6 AWG PW A 73A/29A *
- 84A 8 Six - 3/C 8 AWG PW C 20A_ 48A A Design ampacities are based on cable service and raceway installations. Cables in Tests No.1 through 7 simulated "L-Type" cables in a tray. These design ampacities are from ICEA 46-426 "in air" values derated by 0.82. Cables in Test No. 8, simulated "K-Type" cables in a tray. This design ampacity is from ICEA P-54-440, Table 6, "2.5 inch depth column". All of the above cables were 600 V, copper conductors.
** L-Type /K-Type Service I
Average conductor temperature of 890C to 91 0C not increasing or decreasing over a 30-minute period. 8.9.4 Conclusions It was demonstrated, by test, that no additional derating, beyond present design ampacities at BVPS-2, is required when a free-air cable or cables are wrapped in either PW A, PW C, or PW E. WYLE LABORATORIES Huntsville Facility
Pag 2 No. 40 Test Report No. 17666-02 9 9.0 QUALITY ASSURANCE All work performed on this test program was done in accordance with Wyle Laboratories' Quality Assurance Program, which complies with the applicable requirements of 10 CFR 50, Appendix B; ANSI N45.2, and the " daughter" standards. Defects are reported in accordance with the requirements of 10 CFR Part 21. 10.0 TEST EQUIPMENT AND INSTRUMENTATION All instrumentation, measuring, and test equipment used in the performance of this test program were calibrated in accordance with Wyle Laboratories' Quality Assurance Program, which complies with the requirements of Military Specification MIL-STD-45662. Standards used in performing all calibrations are traceable to the National Bureau of Standards by report number and date. When no national standards exist, the standards are traceable to international standards or the basis for calibration is otherwise documented. O l l l l , WYLE LABORATORIES Huntsville Facihty
e Page Na 41 Test Report NL 17666-02, R vision A TABLE L TENT RESUL'IS
SUMMARY
Configuration Test Test Cable Maximum
/~x Number Tirae To Number Descriptiun Punetion Temperature Ignition I Notes (2)
D'1 Ifeat Rise 1 One Cable in 500 MCM/F 0 1441.7 F 46 minutes 1780 A Overload Free Air 2 0 350 MCM/F 1355.7 F 25 minutes 1578 A Overload 3- 4/0 AWG/F 1396.5*F 15 minutes 1184 A Overload 4 2 AWG/F 0 1625.5 F 14 minutes 501 A Overload 5 6 AWG/F 1114.2*F None 315 A Overload 1 1 Free Air W/ 0 6 AWG/F 1257.9 F None Wrapped Fault and In-Contact Targets 6 AWG/T 0 291.5 F N/A 2/C 16 AWG/T 887.10F N/A Tw.Pr.16 AWG/T 264.7*F N/A I 1A Free Air W/ PW D 6 AWG/F 0 Srapped Fault and 1452.4 F 7 minutes @ Multiple Targets 0 Tw.Pr.16 AWG-0"/T 745.8 F 7.1 minutes Tw.Pr.16 AWG-3/8"/T 670.70F N/A Tw.Pr.16 AWG-3/4"/T 900.20F N/A Tw.Pr.16 AWG-1"/T 646.70F 7.1 minutes 1B Free Air W/ PW E 6 AWG/F 1998.80F 9 minutes Wrapped Fault and Multiple Targets Tw.Pr.16 AWG-0"/T 421.30F N/A Tw.Pr.16 AWG-3/8"/T 166.40F N/A 0 Tw.Pr.16 AWG-3/4"/T 105.2 F N/A [
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Tw.Pr.16 AWG-1"/T 105.1 F N/A 2 1 Free Air W/ Unwrapped 6 AWG/F 1156.3 F A Fault and Wrapped 8 minutes @ Target In-Contact 6 Tw.Pr.16 AWG/T 181.50F N/A 3 1 4-Tray Stack With 6 AWG/F 0 1835.0 F None Faulted Dropout From T1 and Solid Cover on T2 2/C 16 AWG/T 90.3*F N/A @ T3 Siderall 109.3 F N/A T4 Siderall 101.90F N/A 2 4-Tray Stack With Two-2/C 16 AWG/F 304.0 F None Faulted Cable Under Solid Cover on T2 and 2 AWG Dropout /T 84.50F N/A 67 A Overload Dropout Cable from T1 2A Same As Test 2 Two-2/C 16 AWG/F 674.8*F 7.4 minutes 75 A Overload 2 AWG Dropout /T 95.70F N/A Tray Tl 88.2 F N/A T3 Siderall 68.0*F N/A T4 Siderall 64.20F N/A 4 4-Teay Stacx With # 1 6 AWG-T2/F 1969.7 F 5 rr.inutes M.dtiple Dropout Ca 31es From T1 and Faulted 2 AWG-liill/T 294.2*F N/A Cable Under Ventihted Cover of T2 2 AWG-Valley /T 148.0*F N/A 2/C 16 AWG-Hill /T 314.30F N/A 2/C 16 AWG-Valley /T 100.4 F N/A
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Tw.Pr.16 AWG-Hill /T 323.0 F N/A k Tw.Pr.16 AWG-Velley/T 207.9 F N/A T1 Rungs 109.9 F N/A T3 Siderall 68.5*F N/A T4 Siderall 65.0*F N/A
Page No. 42 Test Report No. 17666-02, RCvision A TABLE L TIST RESULTS
SUMMARY
(CONCLUDED) Configuration Test Test Cable Size Maximum '11me To Number Number Description Function _ _ Temperature Ignition Notes (2) 5 1 Horizontal to Vertical 6 AWG/F 1746.3'F 7.9 minutes Tray With Fault In Vertical 1 Yay 2 AWG/I' 90.2*F N/A 2/C 16 AWG/T 78.3'F N/A Tw.Pr.16 AWG/T 66.0*F N/A 2 Horizontal to Vertical 6 AWG/F 1379.9'F 6.5 minutes Tray With Fault in Horizontal Tray 2 AWG/T 208.6,F N/A A 2/C 16 AWG/T 109.2'F N/A Tw.Pr.16 AWG/T 144.9*F N/A 6 1 Horizontal Tray to 6 AWG/F 1857.4'F 8.3 minutes Parallel Conduit With Fault In Tray 2 AWG/T 143.8*F N/A 2/C 16 AWG/T 146.4'F N/A Tw.Pr.16 AWG/T 211.8'F N/A 2 Horizontal Trey to 6 AWG/F 1655.5'F None ParallelConduit With Fault In Conduit 2 AWG/T 66.8'F N/A 2/C 16 AWG/T 61.5'F N/A Tw.Pr.16 AWG/T 61.1'F N/A 7 1 Internal Panel With 1/C 12 AWG/? 299.6*F None 75 A Overload Wrapped Fault Cable 1/C 12 AWG - 173.9'F N/A In-Contact /T 1/C 12 AWG - 69.7'F N/A 1 Inch Away/T 1A Same as Test 1 1/C 12 AWG/F 354.3'F None 90 A Overload 1/C 12 AWG 217.0'F N/A In-Contaet/T 1/C 12 AWG - 69.7'F N/A 1 Inch Away/T IB Same as Test 1 1/C 12 AWG/F 1018.1*F None 105 A Over'oad 1/C 12 AWG - 433.5'F N/A In-Contaet/T 1/C 12 AWG - 113.7'F N/A IInch Away/T IC Same as Test 1 1/C 12 AWG/F 1263.0'F None 120 A Overload 1/C 12 AWG - 587.0*F N/A In-Contaet/T 1/C 12 AWG - 140.0*F N/A 11neh Away/T 1D Same as Test 1 1/C 12 AWG/F 1493.7'F None 150 A Overload 1/C 12 AWG - 283.3*F N/A In-Contaet/T 1/C 12 AWG - 63.7*F N/A 1!ach Away/T 7 2 Internal Panet With 1/C 12 AWG/F 1275.5*F None 150A Overload Unwrapped Fault Cable And Wrspped Target Cable 1/C 12 AWG - 199.5'F N/A In-Contaet/T 1/C 12 AWG - 188.9'F N/A 1 Inch Away/T NOTI 3: @ F = Fa alted Cable; T = Target Cable. All esbles were Triplex unless otherwise noted.
@ Overload current for all Conftguration Tests was 316 amperes per phcsc unless otherwise noted.
@ Ignition occurred outside the PW D wrap and burned insulation on target cables.
Test repeated with PW E wrap. See Notice of Anomaly No. 3.
@ Peak fault cable temperature not recorded due to power outage to instrumentation.
See Not'ee of Anomaly No.1.
@ Maximum temperature on any of the six 2/C 16 AWG cables under the solid cover of Tray T2.
@ Multi-Amp Test Set could not deliver 75 amperes per phase and test terminated.
Test repeated with parallel terminations. See Notlee of Anomaly No. 2.
Paga No. I-1 Test Report No. 17666-02, Revision A f3 V SECTION I HEAT RESE TESTS (SELECTION OF FAULT CABLE) 1.0 REQUIREMENTS 1.1 Acceptance Criteria There are no acceptance criteria for these tests. The results of these tests shall be used to determine the fault cable for the subsequent configuration tests. A l 2.0 PROCEDURES 2.1 Test Speelmen Identification l An -inspection was performed upon receipt of the test specimen components at Wyle Laboratories. This inspection ensured that the test specimens were as described in Paragraph 6.0 of the Summary section. Applicable manufacturer, model, part, and serial numbers were verified and recorded. The test specimens were labeled to facilitate identification throughout the test program. Test Specimen Receipt Inspection forms are presented in Appendix I of this section. 2.2 Test Specimen Preparation The test setup for all heat rise tests was identical except as noted in the following paragraphs. The test specimens were placed in an open cable tray provided by the engineers, as shown in
. Figures I-1 and I-2 of Appendix II of this section. The cable tray was supported in a unistrut frame constructed by Wyle technicians using materials supplied by the engineers. The following guidelines were observed with regard to the materials and construction of the cable tray assembly:
- 1. The cable tray was an aluminum ladder rung tray 30" W x 120" L x 4" H manufactured by T. J. Cope.
- 2. The cable tray was supported by a unistrut fixture such that the bottom of the tray was 16 inches above the ground.
!O WYLE LABORATORIES Huntsville Fac6lity
l Paga No. I-2 Test Report No. 17666-02, Revision A 2.0 PROCEDURES (Continued) 2.2 Test Specimen Preparation (Continued)
- 3. The faulted cable was mounted colinear with the cable tray centerline in an unfilled cable tray. The cables tested were as described below:
Test No. Cable Size Cable Mark No. 1 Triplex 500 MCM NKZ-29 2 Triplex 350 MCM NKZ-28 3 Triplex 4/0 AWG NKZ-26 4 Triplex 2 AWG NKZ-21 5 Triplex 6 AWG NKZ-19
- 4. The ends of the faulted cable were wrapped with a single layer,50 percent overlap, of SILTEMP WT-65 covered with a single layer, 50 percent overlap, of 3M No. 69 glass tape. This wrapping was done as a safety measure to ensure that any ignition that might occur was limited to the cable tray test area. In addition, a VHS recording was A made of the Overcurrent Test.
- 5. Photographs were taken of each test setup prior to and at the completion of the test.
These photographs are presented in Appendices I through VII of this section. 2.3 Instrumentation Setup 2.3.1 Thermocouple Locations A total of eleven Type "K" thermocouples were utilized for these tests. These thermocouples were mounted as described below: Channel No. Location 1-10 Mounted directly to the outer cable jacket. These thermocouples were mounted approximately 12 inches apart. For Tests 2 through 5, Thermocouple 10 was mounted at the series fault cable connection. 11 Thermocouple probe used to measure ambient and spot temperature readings. These thermocouples were monitored using a Fluke Datalogger fe.eding a high-speed printer. The datalogger was operated at a 10-second scan rate throughout the heat rise test. The results from these temperature readings were plotted and are presented in Appendices III through VII of this section. 2.3.2 Electrical Monitoring The current to the test specimen was recorded at each current level along with the test time that current was changed. These readings were taken from the Multi-Amp Test Set and are documented on the Data Sheets in Appendices III through VII of this section. WYLE LABORATORIES Huntsville Facility
Paga No. I-3 Test Report No. 17666-02 2.0 PROCEDURES (Continued) 2.4 Heat Rise Tests Each of the heat rise tests consisted of three sequential phases with no intentional time delay except for Test No. I which .was terminated at the SWEC Technical Representative's request after the second phase. The first phase consisted of powering the cable for 15 minutes with fullload current for the largest motor that this cable will supply in the Beaver VcDey Power Station . Unit 2 (BVPS-2). This was done to establish normal operating temperatures on this cable. The second phase consisted of energizing the cable with the nameplate locked rotor current for the largest motor that the cable will suppl.y at the BVPS-2. The cable was subjected to this current level until either the cable open-circuited or the temperatures on the cable stabilized for a period of 15 minutes. The third phase consisted of energiaing the cable with the maximum Multi-Amp Test Set output. The heat rise test was conducted using the following procedure:
- 1. The test specimen was connected to the Multi-Amp Test Set output stabs per Figure 2 of Appendix II. The cable termination was made in series.
- 2. The applicable fullload current (FLA) from Table 1 was applied to the test specimen.
3.a The applied current and initial maximum cable temperature were recorded.
- 4. The cable was allowed to conduct the FLA until 15 minutes had elapsed.
- 5. The applied current and maximum cable temperature were recorded.
- 6. The applicable locked rotor current (LRA) from Table 1 was applied to the test specimen.
- 7. The test time of application, applied current level, and maximum cable temperature were recorded.
- 8. The cable was allowed to conduct the LRA until either an open circuit occurred (Test No. 5) or ignition occurred, or the test was terminatcd at the SWEC Technical Representative's request.
- 9. When an open circuit occurred, the elapsed time and maximum cable temperature
, were recorded and the test proceeded to Step 14.
-- 10. If ignition occurred, the maximum temperature, elapsed time, and applied current level were recorded, and the test proceeded to Step 11.
- 11. The applied current was increased to the maximum Malti-Amp Test Set output until the fault cable open-circuited.
- 12. When the open circuit occurred, the elapsed time was recorded.
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l Paga No. I-4 Test 3eport No. 17666-02
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2.0 PROCEDURES (Continued) 2.4 Heat Rise Tests (Continued)
- 13. The maximum cable temperatures achieved and whether or not the cable's insulation ignited was recorded.
- 14. The Multi-Amp Test Set output was de-energized.
TABLE 1 Maximum Multi-Amp FLA/Hp Test Set Output Test No. Cable Size / Cable No. of Motor LRA Achieved 1 Triplex 500 MCM/NKZ-29 580A/250 HP 1780A N/A 2 Triplex 350 MCM/NKZ-28 464A/200 HP 1579A 5000A 3 Triplex 4/0 AWG/NKZ-26 335A/150 HP 1184A 4000A 4 Triplex 2 AWG/NKZ-21 158A/50 HP 501A 890A 5 Triplex 6 AWG/NKZ-19 89A/40 HP 315A N/A 3.0 RESULTS The results of the five Heat Rise Tests are briefly summarized below. Additional information from these tests is contained in the following paragraphs. Test Fault Cable LRA Maximum Jacket Time To No. Size Applied Temperature Ignition 1 Triplex 500 MCM 1780A 1441.7 F 46 minutes 2 Triplex 350 MCM 1579A 1355.7 F 25 minutes 3 Triplex 4/0 AWG 1184A 1396.5 F 15 minutes 4 Triplex 2 AWG 501A 1625.5 F 29 minutes 5 Triplex 6 AWG 315A 1114.2 F None Based on these results, SWEC commenced an analysis program to determine the cable to be faulted in the subsequent configuration tests. The results of that analysis are contained in Paragraph 8.1.4 of the Summary section. This analysis concluded that the fault cable size was the Triplex 6 AWG cable. To enhance the clarity of this report, the results of each test will be discussed in separate paragraphs with the data from that test in a separate appendix. Appendices I and II contain data applicable to all Heat Rise Tests and to subsequent Configuration Tests. Appendix I contains the Test Specimen Inspection Forms, which document materials received from BVPS-2 stock, the Instrumentation Equipment Sheets, which list the instrumentation used to collect data for all tests, and Photographs I-1 through I-8 which show the equipment setup utilized. Appendix II contains Figures I-1 and I-2 which illustrate the Heat Rise Test Setup. WYLE LABORATORIES Huntsville Facility
Paga No. I-5 Test Report No. 17666-02
.O V 3.0 RESULTS (Continued) 3.1 Results of Heat Rise Test No.1 Heat Rise Test No.1, with a Triplex 500 MCM fault cable, was conducted per Paragraph 2.0
.of this section. The initial 15-minute warmup period at 585 amperes was completed with approximately a 200F increase in cable jacket temperatures. After 15 minutes, the locked rotor current of 1780 amperes was applied. This current level was maintained for 54.0 minutes. A maximum cable jacket temperature of 1441.70F was recorded during this period.
At the request of the SWEC Technical Representative, the short circuit current was not applied during this test. The fault cable ignited after 46 minutes with 1780 amperes (LRA) applied. The fault cable began to off-gas with jacket temperatures of 250oF (approximately 10 minutes with LRA ' applied). As the test proceeded, the jacket turned a brownish color and swelled as it contained the pressure created by the internal off-gassing. At the 19-minute point, the jacket ruptured and the off-gassing rate increased significantly. An oily compound was observed after 30 minutes. The fire ignited at the end away from the Multi-Amp Test Set and then tracked the full length of the cable in two to three seconds. The flames were approximately two feet high and extinguished once all available insulation was consumed (about 15 minutes). Appendix III contains the following data from this test:
- 1. Figure I-3 which plots temperature data recorded during this test.
- 2. Photographs I-9 through I-15. Photographs I-9 to I-11 show the pretest setup, t
Photographs I-12 and I-13 show the fire that occurred during this test. Photographs 1-14 and 1-15 show the post-test damage that occurred.
- 3. Data Sheets which contain data recorded during the Overcurrent Test.
3.2 Results of Heat Rise Test No. 2 Heat Rise Test No. 2, with a Triplex 350 MCM fault cable, was conducted per Paragraph 2.0 of this section. The0 initial 15-minute warmup period at 465 amperes was completed with approximately a 23 F increase in cable jacket temperatures. After 15 minutes, the locked ! rotor current of 1578 amperes was applied. This current level was maintained for 43.3 minutes. A maximum cable jacket temperature of 1355.70F was recorded during this period. l 1 The fault cable was then subjected to the maximum Multi-Amp Test Set output of 5000 amperes until the cable cpen-circuited in 25.97 seconds. The fault cable then re-fused, was subjected to 3000 amperes for 28.53 seconds, and remained open. ( The fault cable ignited after 25 minutes with 1578 amperes (LRA) applied. The fault cable ' began to off-gas with jacket temperatures of 2750F (approximately seven minutes with LRA applied). As the test proceeded, the jacket turned a brownish color and swelled as it
-contained the pressure created by the internal off-gassing. At the 16-minute point, the jacket ruptured and the off-gassing rate increased significantly. An oily compound was observed after 24 minutes. The fire ignited at the location of Thermocouple No. 6 on the fault cable and then tracked the full length of the cable. As the cable ignited, very dense WYLE LABORATORIES Huntsville Facility
! Pcgo No, I-6 Test Report No. 17666-02 3.0 RESULTS (Continued) 3.2 Results of Heat Rise Test No. 2 (Continued) black smoke occurred. The flames were approximately two feet high and extinguished once all available insulation was consumed (about 18 minutes). Several small areas of glowing red copper were visible prior to the open-circuit. The cable open-circuited as it arced and shot small pieces of molten copper to the ground. Appendix IV contains the following data from this test:
- 1. Figure I-4 which plots temperature data recorded during this test.
- 2. Photographs I-16 through I-18. Photograph I-16 shows the pretest setup. Photograph I-17 shows the post-test damage to the fault cable. Photograph I-18 shows a closeup of the location of the open circuit.
- 3. Data Sheets which contain data recorded during the Overcurrent Test.
3.3 Results of Heat Rise Test No. 3 Heat Rise Test No. 3, with a Triplex 4/0 AWG fault cable, was conducted per Paragraph 2.0 of this section. The initial 15-minute warmup period at 336 amperes was completed with
' approximately a 30 0F increase in cable jacket temperatures. After 15 minutes, the locked rotor current of 1184 amperes was applied. This current level was maintained for 21.2 g
minutes. A maximum cable jacket temperature of 1323.70F was recorded during this period. The fault cable was then subjected to the maximum Multi-Amp Test Set output of 4100 amperes until the cable open-ci.cuited in 29.44 seconds. The maximum jacket temperature recorded during this period was 1396.50 F. The fault cable ignited after 15 minutes with 1184 amperes (LRA) applied. The fault cable began to off-gas with jacket temperatures of 2600 F (approximately five minutes with LRA applied). As the test proceeded, the jacket turned a brownish color and swelled as it contained the pressure created by the internal off-gassing. At the 10-minute point, the jacket ruptured and the off-gassing rate increased significantly. An oily compound was observed after 14 minutes. The fire ignited at the location of Thermocouple No. 7 on the fault cable and then tracked the full length of the cable. As the cable ignited very dense black smoke occurred. The flames were approximately 18 inches high and extinguished once all available insulation was consumed (about 13 minutes). When the 4100 amperes was applied, the cable lifted off the tray, turned a bright red color, and then open-circuited with an audible popping sound. Appendix V contains the following data from this test:
- 1. Figure I-5 which plots temperature data recorded during this test.
- 2. Photographs I-22 through I-24. Photograph I-22 shows the pretest setup. Photographs I-23 and I-24 show the post-test damage.
- 3. Data Sheets which contain data recorded during the Overcurrent Test. O WYLE LABORATORIES Huntsvdle Facihty
Pega No. I-7 Test Report No. 17666-02 0 3.0 RESUL'IB (Continued) 3.4 Results of Heat Rise Test No. 4 Heat Rise Test No. 4, with a Triplex 4/0 AWG fault cable, was conducted per Paragraph 2.0 of this section. The initial 15-minute warmup period at 158 amperes was completed with approximately a 54 F increase in cable jacket temperatures. After 15 minutes, the locked rotor current of 501 amperes was applied. This current level was maintained for 19.7 minutes. A maximum cable jacket temperature of 1625.3 F was recorded during this period. The fault cable was then subjected to the maximum Multi-Amp Test Set output of 890 amperes until the cable open-circuited in 24.35 seconds. The maximum Jacket temperature recorded during this period was 1625.5 F just prior to the open-circuit. The fault cable ignited after 14 minutes with 501 amperes (LRA) applied. The fault cable began to off gas with jacket temperatures of 294 F (approximately four minutes with LRA applied). As the test proceeded, the jacket turned a brownish color and swelled as it contained the pressure created by the internal off-gassing. At the 9-minute point, the jacket ruptured and the off-gassing rate increased significantly. An oily compound was observed after 13 minutes and it was noted that the insulation was melting just prior to ignition. The fire ignited at the the center on the fault cable and then tracked the full length of the cable. As the cable ignited, very dense black smoke occurred. The flames were approximately six inches to one foot high and extinguished once all available insulation was consumed (about nine minutes). A bright red glow was visible from the fault cable at p the 17-minute point until the end of this test. O Appendix VI contains the following data from this test:
- 1. Figure I-6 which plots temperature data recorded during this test.
- 2. Photographs I-25 through I-27 which show the pretest and post-test conditions of the faulted cable.
- 3. Data Sheets which contain data recorded during the Overcurrent Test.
3.5 Results of Heat Rise Test No. 5 Heat Rise Test No. 5, with a Triplex 6 AWG fault cable, was conducted per Paragraph 2.0 of this section. The initial 15-minute warmup period at 89 amperes was completed with approximately a 57 F increase in cable jacket temperatures. After 15 minutes, the locked i rotor current of 315 amperes was applied. This current level was maintained for seven minutes until the cable open-circuited. A maximum cable jacket temperature of 1114.2 F was recorded during this period. The fault cable did got ignite du"ing this test. The cable began to off-gas with jacket temperatures of 328 F (approximately three minutes with LRA applied). As the test proceeded, the jacket turned a brownish color and swelled as it contained the pressure created by internal off-gassing. At the 4-minute point, the jacket ruptured in several areas and the off-gassing rate increased significantly. Visible areas of glowing red copper and an ( oily compound were noted just prior to the open-circuit. WYLE LABORATORIES Huntsville Facility _ _ _ - - - - _ _. ,.- - _ __ . __ . _ . _ ,.-- ~
1 1 Page No. I-8 ! Test Report No. 17666-02 3.0 RESULTS (Continued) 3.5 Results of Heat Rise Test No. 5 (Continued) Appendix VII contains the following data from this test:
- 1. Figure I-7 which plots temperature data recorded during this test.
- 2. Photogcaphs I-28 through I-30 which show the pretest and post-test condition of the faulted cable.
- 3. Data Sheets which contain data recorded during the Overcurrent Test.
i O l t O WYLE LABORATORIES Huntsville Facility
I l Paga No. I-9 Test Report No. 17666-02
.O APPENDIX I l TEST SPECIMEN INSPECTION FORMS O INSTRUMENTATION EQUIPMENT SHEETS AND TEST SETUP PHOTOGRAPHS 1
I O WYLE LABORATORIES Huntsvlife Facliity
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Pago No. I-11 Test Report No. 17666-02 TEST SPECIMEN INSPECTION
%EC CHECK AS APPROPRIATE JOB NO. Illo In b ~ O k 5 SPECIFICATION O ~
v 0 4 DATE iO-M-8d <o 4, %o,
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NO DESCRIPTION MANUF. PARTIMODEL NO. g o 9
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Page No. I-12 T:st Report No. 17666-02 l TEST SPECIMEN INSPECTION 1 i CHECK AS APPROPRIATE CUSTOMER $WEC l l JOB NO. Illelelf-O I #o 9 SPECIFICATION MlIb I 7 lelo lo - D ! *y 93 DATE \O-3D~9 6#, 03 0
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MULTI-AMP CB8130 IIIGli CURRENT TEST SET USED TO ENERGIZE FAULT CABLE IN ALL TESTS
Page No. I-16 Test Report No. 17666-02
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Page No. 1-17 Test Report No. 17666-02 PIIOTOGRAPII NO. I-5 VIEW OF VARIACS AND RESISTIVE LOADS FOR O-iTPE CABLES y - - -
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Page No. I-18 l Test Report No. 17666-02 4 M r. W
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( PIIOTOGRAPII NO. I-7 OSCILLOGRAPII RECORDERS AND AMPLIFIERS USED FOR ELECTRICAL MONITORING FLUKE DATALOGCER USED FOR TEMPERATURE MONITORING
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i l Paga No, I-19 Test Report No. 17666-02 4 4 4 l 1
, APPENDIX H HEAT REE TENT SETUP FIGURES i
i a 'i ,i I 1- , 4 I h 4 i 4 i 1 1 i
, WYLE LABOftAftHHES 1 Huntsville Facluty
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Paga No. I-20 Test R port No. 17666-02 O BUS BAR SUPPORT (885)
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- MELAfilNE 2"x6" 4% % MELAMINE 2"x2"
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FIGURE I-1: UNISTRUT P1000 FRAME O
O O O Fault Cable in. Tray M - - - - - . - _ __ To Multi-amp Test i 1/4" x 3/8" x 100" Copper Bus Bar
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- The three phases of the fault cable shall be connected in series. tj!
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** The fault cable shall be wrapped with a single i layer of SILTEMP wide tape No. 65 from the edge 8' of the test area to the bus bar.
FIGURE I-2: TYPICAL FAULT CABLE CONNECTION 3 ! < l
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Paga No. I-22 Test Report No. 17666-02 This Page Left Intentionally Blank. O WYLE LABORATORIES Huntsvilie Facility
Paga No. I-23 Tcst Report No. 17666-02 O I t APPENDIX IR HEAT RISE TEST NO.1 DATA 4 O i l 1 j t O WYLE LABORATORIES l Huntsville Facility l-
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Page No. 1-26 l Test Report No. 17666-02
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- 3. Initial readings with FLA Current: 585A Max Temp (o 7'S l
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- 5. Final readings with FLA Current: _ygz 4 Elapsed Time: pog gg 5,,, Max Temp. 92 e r +/g I
- 7. Initial readings with LRA i
Current: / 7g / A Elapsed H me: gag g ee. ND NT '
- 9. Final readings with LRA Current:
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/783/1 I
- 10. Readings with 2X current applied u/4 Current: - Elapsed Time: - Max Temp. -
Time to Open Circuit: Al/g Time of Ignition: 4/o W^[,. n. , Time Cable Burning: / h %/n Hichest Temeerature Decorded: !AN.0 W ~~ bd Tested By NhANO Date: /* M M
/Ib Notice of Witness y Sheet No. A N. .Pd Ib> I ^ -l Date:///7/,
Anomaly Approved [I N/ M/[f/h ' ' giy-
Page No. I-30 Test Report No. 1766G-02 g i i i I This Page Left Intentionally Blank, t 1 O l l l l l I WYLE LABORATORIES Huntsville Facchty
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Paga No. I-31 Test Report No. 17666-02 4 ( i i 1 4 s
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t APPENDIK IV i HEAT RISE TEST NO. 2 DATA 1
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- 3. Initial readings with FLA Current: /
66fA Max Tem'a 72'F
- 5. Final readings with FLA Current: q(,, s 4 Elapsed Time: fog 334 Max Temp. 9 p f-
- 7. Initial readings with LRA Current: '/ 3'7g4 Elapsed Time: 900.235 Max Tdmp. 9 7 9 -
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- 9. Final readings with LRA Current: M 67NA Elapsed Time: M 8.365 Max Temp. /368 7
- 10. Readings with 2X current applied Current: 620A Elapsed Time: J6'975 Max Temp. ~^h l 3cooA }$. 53 S
. T1me to open C1rcuit: jf9QS p , m g jd f , jf g p g g y ,7 g g p 3', 5 3 3 g ,gg 3 g Time of Ignition: ((/)//h2 , . Time Cable Burning: / h /F//A). , ! Hichest Temoerature Recorded: /3h 7
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Tested By + /f-Witness NIII Date: Il " I N Notice of - Sheet No.' I * / gf 1 . Anomaly 0 Approved //AM b bl //!//N v 37 y 'gy
r Page No. I-36 Test Report No. 17666-02 O This Page Left Litentionally Blank. O l ( WYLE LABORATORIES Huntsnlle Facshty
Page No. I-37 Test Report No. 17666-02 O APPENDIX Y HEAT RISE TESP NO. 3 DATA O I 1 O WYLE LABORATORIES , Huntsville Facility l l l
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Page No. I-39 Test Report No. 17666-02
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DATA SHEET SWEC Customer WYLE LABORATORIES Specimen Cables l Part No. Various rT7*F 17666-o/ Amb. Temp. Job No. Spec. WLTP 17666-01, IPR 1 Yes Report No. 17666-02 Photo Para. 111 N/A Test Med. Ai" Start Date //I/,IIY SIN Specimen Temp. Ambient GSI I^ HEAT RISE TEST Test Title TEST NO.: J CABLE SIZE: 4/o Ato 61
- 3. Initial readings with FLA Current: 3 3/o A Max Temp 17c F 4 5. Final readings with FLA
' Current: 3GA Elapsed Time: poo, zc Max Temp. j ogog i s 7. Initial readings with LRA 1
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- 9. Final readings with LRA Current: //84- Elapsed Time: /1W.63 Max Temp. / 13 9(e.S 'F A 1
- 10. Readings with 2X current applied l ' Current: 4100 rt Elapsed Time: ;p7. M Max Temp. M/h l
I l Time to Open Circuit: p-7 M h m 1 M b 6 Time of Ignition: l6 % , Time Cable Burning: 13nu$v Hichest Temoerature Recorded: /Nd d~ E : Tested B // / Date: // ~/ @ Witness IY<Ib D Notice of Sheet Nk ~ - I- ! ' ate: f 1 /I' l~ b Anomaly Approved d // !N m a ,. w eia a a,a u [ '
Page No. I-42 Test Report No. 17666-02 - 0 l l This Page Left Intentionally Blank. O i 1 f' i l I l t 1 WYLE LABORATORIES O Huntsville Fac1hty
Paga No. I-43 Test Report No. 17666-02 O 1 h i r APPENDIX VI i HEAT RISE TEST NO. 4 DATA O 4 i a 1 = L l l eO WYLE LABORATORIES Huntsville Facility
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Page No. I-44 Test Report No. 17666-02 2.c .-. E I . t . y n ' t
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i 1 N PHOTOGRAPH NO. I-22 PRETEST VIEW OF SETUP FOR HEAT RISE TEST NO. 4 (TRIPLEX 2 AWG) ! ,' t t C l
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i 1 Page No. I-45 l l Test Report No. 17666-02 I l l i {MF.c;p.,pp- S .., .
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Paga No. I-46 Test Report No. 17666-02
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Page No. I-47 Test Report No. 17666-02 DATA SHEET 3 Customer WYLE LABORATORIES Specimen Cables Part No. arious Amb. Temp. 7(e F Job No. Spec. WLTP 17666-01, IPR 1 Yes Report No. 17666-02 Photo _ Para- 11 1 Test Med. A4" Start Date 'o-U-M SIN N/A Specimen Temp. Ambient GSI "I^ HEAT RISE TEST Test Title CABLE SIZE: TEST NO.: 14 1
- 3. Initial readings with FLA Current: iss A Max Temp '7t,*r
- 5. Final padings with FLA Current: g g4_. Elapsed Time: poggec, . Max Temp. gyg g sp
- 7. Initial. readings with LRA Current: g31 Elapsed Time: ,877g Max Temp. ,2 7.F
- 9. Final readings with LRA Current: 5'o / Elapsed Time: // @.67,5 Max Temp. /05 6*F #3
- 10. Readings with 2X current applied Current: 61o A Elapsed Time: M.38 Max Temp. /Qgg*F #3 Time to Open Circuit: jS/t .35 uc. % .,.g g+ f90 g Time of Ignition: /4 gd ,
Time Cable Burning: hh Hiahest Temnerature Recorded: /[MI. d "/' Tested By "M M Date: /0 -3/-N Witness N* Date: b-N'tk Notice of Sheet No. I- / -f I' Anomaly M Approved / h b / dbl .... EFm WM 614A Rev. AP4 $4
Page No. I-48 Test Report No. 17666-02 O l l l This Page Left Intentionally Blank. O 1 \ O WYLE LABORATORIES Huf)tsville Facility
Paga No. I-49 Test Report No. 17666-02 O l i APPENDIX VH HEAT RISE TEST NO. 5 DATA O l O l WYLE LABORATORIES Huntsville Facility
Page No. I-50 Test Report No. 17666-02 I 3 3 s. j 'd
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