ML20066K783
| ML20066K783 | |
| Person / Time | |
|---|---|
| Site: | McGuire, Mcguire  |
| Issue date: | 09/10/1982 |
| From: | WYLE LABORATORIES |
| To: | |
| Shared Package | |
| ML20066K735 | List: |
| References | |
| 45869-1, 45869-1-V02, 45869-1-V2, NUDOCS 8211290651 | |
| Download: ML20066K783 (91) | |
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m a NUCLEAR ENVIRONMENTAL QUAllF CATION LI 8211290651 e,3 PDR ADOCK 05000 9 Q@889 3 OU PDR
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-ANALYSIS OF CABLES AND CONNECTORS FOLLOWING ACCIDENT TEST CONCLUDED ON MARCH 31, 1982 i
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a EXTENDED ACCIDENT TEST CONDUCTED
! FROM MAY 10 THROUGH 18, 1982 I ON ELECTRICAL PENETRATION ASSEMBLY, TYPE B-M i -
i 'FOR j DUKE POWER COMPANY i
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VOLUME II w_ _n -
Test Report !
l REPORT NO. 45869-1 l t .
WYLE JOB NO. 45869 N'U -
e CUSTOMER P.O.NO. 8828.05-3PM PAGE i OF 89
(
i PAGE REPORT v
-} sentomber lo_ 1982 DATE e
Q Sea References.
4
% s ; SPECIFICATION (S) w /. , Paracraoh 5.0.
I. 4 L- A; 1.0 CUSTOMER Duke Power Comnany ADDRESS 422 Church Street. Charlotte. NC 28242 24 TEST SPECIMEN Electrical Penetration Assembly, Type B-M, Twelve Electrical l
l Plug Kits
, 3.0 MANUFACTURER D. G. O'Brien 4.0
SUMMARY
This portion of the report, Volume II, provides the procedures and results of an analysis task designed to (1) isolate the cause of erratic behavior (leakage current intermittently blowing 0.5 amp fuses) of Modules C, E, and L experienced during the Accident Test completed on March 21, 1982, and (2) a second seven-day Accident Test using the same penetration assembly.
The analysis task conducted after the first Accident Test failed to isolate the cause of erratic behavior of Modules C, E and L.
vv. ares ame no esemiy sera r =ence arv m.naio per.on or pros.ny..ncamsno s,.c.ier AE M^ AL PE No. 8256 <=n re s amn.o ano pn-ano r= =n.c co ai,em fgUN O DI50N },, o.i P. R. Jcshnson PREPARED BY
, bein0 outy sworn. H. th Al P 5683 o.po. ano ..yt in. into.-mai cn conia.c.a ir. in . repo,t is in. r utt or compi.e.
eno car.euery conouci.o i t. eno is to in. o t n.. knowi.og. tru. eno correct in APPROVED BY w #f4 *
- WYLE Q. A.
SueSCHE nd ..orn to before rp1 ng'lW.%ay.or Q_Mf,19 F 2. g g-Mry'&Awu ) i/ 'W Sfh__)
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tn. State of Alabam .t larg.
My Commission .mperes OA- 7N 19 SCIENTIFIC SERVICES AND SYSTEMS GROUP
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HUNTSVILLE, ALABAMA
PAGE NO. 11 TEST REPORT NO. 45869-1 4.0
SUMMARY
(CONTINUED)
The second Accident Test was conducted exactly like the first Accident Test, with the exception of (1) eliminating the long cables in the chamber to minimize any cable insulation steam leakage affecting the test, (2) extending the initial steam ramp to eight hours, and (3) eliminating the superheat portion of the test. All other conditions were the same as in the first Accident Test.
There were no problems with Modules C, D, F, K, and L during the second Accident Test, but ModuleCE; experienced erratic behavior (low insulation resistance) and it was necessary to reduce the voltage from 600 volts AC to 120 volts AC to avoid blowing the 0.5 amp fuse. After the Accident Test, an inspection of the disassembled E connector revealed a blackened area of the insulator near Pins 9 and 12. There was also a severe cut in the insu-lation of Conductor No. 12.under the backshell clamp. This cut could have allowed moisture to enter the connector and cause erratic behavior of Module E. There were no anomalous conditions detected during the final inspection of Modules C, D, F, K, and L.
This volume contains the following sections:
Section I - Introduction Section II - Analysis of Module C, E, And L Cables and K Module Connector after the First Accident Test Section III - Extended Accident Test Section IV - Final Inspection
5.0 REFERENCES
5.1 Wyle Laboratories' Test Procedure No. 543/6124-2/DK, Revision B, dated 3/17/82 and Revision C, dated 4/28/82.
5.2 Duke Power Company Specification No. MCS-1393.01-00-0003, July 23, 1981, Revisions 1, 2, 3, 4, and 5.
5.3 IEEE 323-1971, "IEEE Standard for Qualifying Class lE Equipment for Nuclear Power Generating Stations."
5.4 IEEE 317-1972, "IEEE Standard for Electric Penetration Assemblies in Containment Structures for Nuclear Power Generating Stations."
5.5 ANSI N45-2.2-1972, " Packaging, Shipping, Receiving, Storage, and Handling of Items for Nuclear Power Plants."
5.6 Duke Power Company MCM 1361-00-0016, " Low Voltage Penetration Instruc-tion Manual." ,
WYLE LABORATORIES Huntsville Facility
~ PAGE NO. iii TEST REPORT NO. 45869-1
5.0 REFERENCES
(CONTINUED) 5.7 Duke Power Company MCM 1361-00-0017, " Instrumentation Penetration Instruction Manual."
5.8 Duke Power Company CNM 1361-00-0010, " Low Voltage Penetration Instruction Manual."
5.9 Duke Power Company CNM 1361-00-0011, " Instrument Penetration Instruction Manual."
5.10 Duke Power Company IP-MCP-001, " Test Assembly Installation Sequence."
WYLE LABORATORIES Huntsnite Facility
PAGE NO. I-l TEST REPORT NO. 45869-1 SECTION I INTRODUCTION Modules K, D, and F performed satisfactorily during the Accident Test conducted from March 24, 1982, thru March 31, 1982, but erratic behavior (fuse blowing) was observed with Modules C, E, And L. For details, see Volume I,Section VII.
Erratic behavior of Modules C, E, and L ceased at the end of the test when checked at room temperature and electrical measurements could not demonstrate any problems with any of the six modules. Subsequently, Duke Power Company directed Wyle to extend the test program with the same penetration assembly to determine if the arratic behavior could be isolated with a detailed analysis program or if the arratic behavior would repeat during a second seven-day Accident Test. The extended program consisted of three tasks as follows:
- 1) Conduct an analysis program on some of the cabling and connectors that had been subjected to the tests ending March 31, 1982, as reported in Volume I.
- 2) Conduct a second seven-day Accident Test with the pene-tration assembly but with the conductors, in the chamber, spliced at the connectors such that no long cables were used in the chamber. (The intent was to minimize the possibility of any cable steam leaks transmitting steam into the connectors of the penetration assembly.)
- 3) Conduct a final inspection of all plug modules after completion of the second Accident Test.
WYLE LABORATORIES Huntsville Facility
PAIE NO. II-l TEST REPORT NO. 45869-1 SECTION II ANALYSIS OF MODULE C, E, AND L CABLES AND K MODULE CONNECTOR AFTER THE FIRST ACCIDENT TEST
1.0 INTRODUCTION
, CABLE ANALYSIS During the first Accident Test, several conductors of Modules E, C and L exhibited erratic behavior (low insulation resistance at times) during the test, but returned to normal at the end of the test. Power to the penetration assembly was supplied with long lengths of cables located inside the accident chamber. The_ procedure _shown_below was _
designed _to_ determine _whether_ problems _were integral _to_the plug connectors or_to_the,long. lengths of cable in the acci_ dent _ chamber.
During the first Accident Test, water was observed seeping cut at the conductor splice (outside the chamber) of Conductor No. 3 of Module C
! and Conductor No. 6 of Module E. The above observation indicates that the problem (Edu18 be external to the electrical penetration assembly.
1.1 Cable Analysis Procedure The following procedure was used in an attempt to isolate the precise locations causing low insulation resistance.
1.1.1 Visually examine suspect cables where they enter the test chamber, especially where they enter the epoxy pipe connection of the test chamber. Also, visually examine cables on the outside (annulus side) of the test chamber. Inspect cables where they enter the junction box and feed into the coupling ring on the back of the penetration plugs.
Record all anomalous conditions.
1.1.2 Sever the cables of Modules C, E and L at the connectors outside the penetration assembly (annulus side) and take insulation resistance of the section from the severed cable through the penetration assembly.
1.1.3 Disconnect the connectors of Modules C, E and L and take insulation resistance readings of the short section of the severed cable and the disconnected connector.
1.1.4 Prepare to open test chamber by removing epoxy pipe fitting and by cutting the cables. Check for moisture in all leads. Record lead numbers when moisture is detected. Take insulation resistance reading of Modules C, E and L cables.
1.1.5 Remove the test chamber dome and slide the complete penetration assembly out of the test chamber. Be sure not to drag or cut the cables in the tank. Insure that the cables are supported off the floor and off the bottom of the test chamber. Take a complete set of insulation resistance readings of cables inside the chamber.
l WYLE LABORATORIES HuntsviHe FacAty i
1 1
PAGE NO. II-2 TEST REPORT NO. 45869-1
1.0 INTRODUCTION
, CABLE ANALYSIS (CONTINUED) 1.1 Cable Analysis Procedure (Continued) 1.1.6 Make a visual observation of the cables, cable entry into junction box, and inspect plug coupling rings. Record findings and take appropriate photographs.
1.1.7 Take high potential readings at 650 VAC of the following:
o Module E - Conductor Nos. 1 and 6 o Module C -
Conductor No. 3 o Module L - Conductor Nos. 8 and 9 o Module K - Conductor Nos. 3 and 6 Take an insulation resistance reading at 500 volts of Module L, Conductors 8 and 9, with a wet rag on the connector.
1.1.8 Cut the cables inside the j.nction box of all the modules and record insulation resistance of all connectors.
1.1.9 Measure the insulation resistance of the cut cables from 1.1.8 of Modules C, E and L.
1.1.10 Submerse dhe cables from Modules C, E and L in water and measure insulation resistance and take high potential readings.
1.2 Water Analysis The following procedure was used in an attempt to determine if water could have entered the conductors through the cable insulation or splices of the modules that had exhibited erratic behavior.
1.2.1 One end of the conductors was sealed and the other end was left open (wires exposed). The open end of the conductors was placed in a pressure vessel filled with water and the cables routed through penetrations. The vessel was pressurized to 5 psig, and the cables observed for water seepage.
1.2.2 Any water observed was collected and analyzed for the presence of boron since boron was used in the chemical spray solution during the Accident Test. Its presence would indicate that moisture had entered the cables during the Accident Test.
WYLE LABORATORIES Huntsville Facihty
PAGE NO. II-3 TEST REPORT NO. 45869-1 2.0 MODULE K COtmECTOR ANALYSIS The Module K connector was sectioned longitudinally and insptcted for any evidence of distortion of the electrical conductors resul;ing from thermal expansion of the grommet RTV material.
3.0 RESULTS 3.1 Cable Analysis 3.1.1 There was no anomalous conditions detected during the visual inspection of the cables.
3.1.2 It could not be determined _by'the insulation resistance measurements taken as described in Faragraph 1.1.2 through 1.1.10, if the low resistance readings recorded during the Accident Test were caused by steam / water leaks in the cables or leaks in the connectors. See Appendix Il-1 for test data sheets.
3.1.3 The test, asconductedinparagraph1.2,showedthatwater,dou[d) seep
, along the cables between the conductors and insulation if the cable insulation contained an opening such as a crack. Leakage was observed on Conductors L-8 and L-10. At this time, water samples were collected from Modules C, E and L Fj removing the sealed ends, and this water was analyzed for the presence of boron by the University of Alabama at duntsville. Re_sul_ts of the analy_ sis indicated essentially _no presence of_botop. See Appendix II-2 for analysis data.
3.2 Module K Connector Analysis 3.2.1 The thickness of the grommet was measured and found to be 0.230 inch versus a new grommet thickness of 0.250 inch, and the grommet dis-played some surface indentations indicating it had expanded some during the Accident Testing.
The examination of the K module plug did not show problems with extrusion of the grammet material or problems with stripping of the conductor insulation. The attached photograph shows each half of the accident tested K plug on the left and right. A section of a K plug that had been thermally aged but not subjected to accident testing was placed in the~ photograph between the accident tested K plug sections for comparison purposes. See Appendix II-3 for photographs of the K plug.
WYLE LABORATORIES Huntsville Facmty
Paga No. II-4 R: port No. 45869-1 l
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THIS PAGE WAS LNTENTIONALLY I. EFT BIANK.
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PAGENO. II-5 TEST REPORT NO. 45869-1 APPENDIX II-l ELECTRICAL DATA TAKEN AFTER FIRST ACCIDENT TEST DURING POST TEST ANALYSIS TASK WYLE LABORATORIES Huntsville Facility l _ _ - _ _ _ _ _ _ _ _ _ -
Page No. II-6 Report No. 45869-1 THIS PAGE WAS INTENTIONALLY LEFT BIANK.
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- _ _ _ _ - - _ - _ _ _ _ _ - _ _ _ _ _ . I
PAGE NO. II-19 TEST REPORT NO. 45869-1 l
APPENDIX II-2 BORON ANALYSIS BY THE UNIVERSITY OF ALABAMA AT HUNTSVILLE WYLE a mannaTOINER Huntsville Facthty I
r P ga Mo. XX-Z&
R; port No. 45869-1 ,
1 l
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Paga No. II-21 R port No. 45869-1 June 25, 1982 Mr. Hampton Smith Wyle Laboratories 7800 Governors Drive, West Huntsville, AL 35806
Dear Mr. Smith:
The attached data sheet contains the results of the analyses performed for boron in the water samples and on the inner surfaces of the cables which you requested.
The analyses were performed by graphite furnace atomic absorptico spectroscopy. The water samples were run directly after acidification with nitric acid. The cable samples were wiped down with cotton swabs that were first dipped in 2% nitric acid. The liquid residues on the swabs were then analyzed.
As is indicated in the data sheet the baron concentrations were all in the low parts-per-billion range. These concentration levels were very near the instrumental detection limits of the method.
At the concentrations found it is not highly probable that the baron is from the test. It is more likely that the boron represents the background concentrations in the distilled water and/or boron con-tamination from sources other than the test.
Please contact me concerning any questions about the analyses.
Sincerely,
\SN w\, M W 1 YA Michael W. Mullen Research Associate Johnson Environmental and Energy Center University of Alabama at Huntsville MWM: cms Encl.: a/s l
l 1
Paga No. II-22
. __R3. po_ _r_t No. . 45 86_9_-1_ ,.
SAMPLE CONCENTRATION (MG/L)
Ell O.027 C3L 0.036 L9LP 0.022 C3LP 0.020 L8LP 0.030 E6LP 0.021 E1LP 0.021 mm i i _ - . _ . _ . _ _
PAGE NO. II-23 TEST REPORT NO. 45869-1 APPENDIX II-3 PHOTOGRAPHS OF K PLUG WYLE LABOftATOftlES Huntsville FaciHty
Pagm No. II-24 R port No. 45869-1 THIS PAGE WAS INTENTIONALLY LEFT BLANK.
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PliUT(X', RAI'll II-3.2 CROSS-SECTION K PLUG AFTER FIRST ACCIDENT TEST 1 1
s PAGE NO. III-l TEST REPORT NO. 45869-1 SECTION III
( EXTENDED ACCIDENT TEST 1.0 PROCEDURE 1.1 Test Arrangement Steam Chamber The steam chamber and annulus mockup arrangement was identical to the first arrangement as used in the first Accident Test and as reported in Volume I,Section VII. Unlike the arrangement used in the first Accident Test, cables were not used inside the chamber for suppling power to the penntration assembly, as all the conductors were spliced on the back of the plugs by Duke power personnel. See Figure III-1.1, Appendix III-1, for the wiring diagram. All penetration connectors were undisturbed (not disconnected, loosened or tightened) from their condition at the end of the first Accident Test with the exception of the K module connector. The K module connector on the annulus side of the penetration assembly was moved to the inside of the chamber and the outside connector f was replaced with a K connector that had been thermally aged and irradiated.
The K connector removed from the chamber side was sectioned and inspected as reported in Section II.
Steam test conditions were the same as during the first Accident Test with the following exceptions.
( 1) The initial steam ramp was extended to eight hours.
- 2) There was no superheated steam used during the test.
Instrumentation General Temperatures, voltages, currents, and chamber pressure were recorded on a Data Logger. Chemical flow rate and pH were recorded daily from digital readout devices.
I Temperature Measurements l All temperatures, as shown in Table III-1.I of Appendix III-1, were recorded at a minimum sample rate of one (1) sample per 15 minutes during the eight (8) hour transients and a minimum of one (1) sample per hour during the remainder of the accident test.
I Chamber Pressure Measurements l The chamber pressure was recorded at the same sampling rates as the temperature measurements.
WYLE LABOftATOIHES Huntsville Facshty
PAGE NO. III-2 l
TEST REPORT NO. 45869-1 s 1
1.0 PROCEDURE (CONTINUED) 1.1 Test Arrangement (Continued)
Voltage and Current Measurements Voltage on all modules, current on Modules C, D, E, F, and L, and leakage current on all Module K pins and Conductor No. 2 of Modules C and F were recorded at one (1) sample per 15 minutes during the eight (8) hour transients, and at one (1) sample per 30 minutes during the remainder of the Accident Test.
Chemical Spray Requirements The initial chemical spray solution contained, as a minimum, 1922 ppm boron and the pH was between six (6) and ten (10) . The initial chemical spray solution also contained five (5) to eight (8) ppm of fluorescent dye for a post test investigation.
The chemical spray was active during the period, as shown in Figure J III-2.1 of Appendix III-2. New batches of the chemical spray solution were made at least every four (4) days to replace the old chemical q spray solution. j Test Specimen Electrical Power The conductors of Modules C, D, E, F, and L were wired in series to form six (6) current loops. Each loop was independently energized to the voltage and current specified in Table III-2.I of Appendix III-2 using the polarization voltage method. The conductors of Module K were energized at 120 volts and zero amps.
1.2 Accident Test Sequence and Procedure The Accident Test was conducted in the following sequence and manner:
- 1) A Baseline Electrical Test was conducted just prior to admitting steam to the chamber.
A. Visual Inspection - The electrical circuits were inspected for damage and proper labeling, and the general appearance recorded.
B. Insulation Resistance (IR) - The IR of each conductor pair !
was measured at 500 VDC. If the IR was less than the 1 minimum scale of the meter, the IR was measured at 100 VDC.
All IR's were recorded.
C. High Potential - A high potential test was conducted on Modules C and F, by applying 1000 VAC across each pin and ground. The leakage current was recorded.
WYLE LABORATORIES Huntsville Facility l
s -
PAGE NO. III-3 TEST REPORT NO. 45869-1 1.0 PROCEDURE (CONTINUED) 1.2 Accident Test Sequence and Procedure (Continued)
- 2) Electrical power was applied to Modules C, D, E, F, L, and K, as shown in Table III-2.I of Appendix III-2. The electrical power was applied throughout the seven-day i
Accident Test, except during the brief periods when insulation resistance readings were taken.
- 3) Steam was introduced into the chamber to maintain the temperature -
pressure - time profile as shown in Figure III-2.1 of Appendix III-2. The annulus mockup temperature was maintained, es shown in Figure III-2.2 of Appendix III-2.
- 4) At eight hours after initiation of the steam ramp, chemical spray solution flow was initiated and the flow maintained throughout the Accident Test. The flow was directed vertically downward at a flow rate of 0.15 gallon / minute /ft.2 of specimen area or, specifically, 0.75 gallon / minute.
- 5) IR measurements per paragraph 1.2, 1-a, b, c were taken every eight hours during the first 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of the Accident Test.
After the first 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, IR measurements were taken daily and following any prescribed temperature transient. High potential measurements were taken per paragraph 1.2, 1-a, b, c each time IR measurements were taken.
- 6) The electrical measurements of paragraph 1.2,1-a, b, c (baseline functional) were repeated after the modules had cooled to room temperature, but prior to their removal from the chamber.
1.3 Results 1.3.1 Electrical Results The erratic behavior (low insulation resistance) observed during the first f Accident Test was not observed during the second Accident Test, except with Module E. There were difficulties in constantly maintaining 600 volts, AC on some of the conductors of Module E. These difficulties can be seen in detail by studying Table III-3.I of Appendix III-3. There were no problems with Modules C, D, F, K, and L. Insulation resistsnce and high potential readings taken during the Accident Test are shown in Appendix III-3, Tables III-3.II thru III-3.VII.
/
1.3.2 Environmental Results Chemical Spray Chemical spray solution flow :: ate and pH were monitored daily. The ficw rate I
was maintained at 0.75 gallon / minute and the pH maintained between 6 and 10.
WYLE LABORATORIES HuntsviHe Facmty
~
i PAGE NO. III-4 TEST REPORT NO. 45869-1 1.0 PROCEDURE (CONTINUED) 1.3 Results (Continued) ,
1.3.2 Environmental Results (Continued)
Steam ,
The required Accident Test steam pressure-temperature profile, rigure III-2.1 of Appendix III-2, was maintained ylthin tolerance throughout the seven-day Accident Test. Significant; parameters (steam chamber pressure and temperature, annulus tempera'ture, and Module K backshell temperature) are presented in plotted format in Appendix III-3.
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WYUE LASDRATOMES s Huntsville FacHity
PAGE NO. III-5 l
TEST REPORT NO. 45869-1 i
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APPENDIX III-1 ACCIDENT TEST ARRANGEMENT k
1 2
WYLE LABORATORIES Huntsvette Facdity
Paga No. III-6 Riport No. 45869-1 THIS PAGE WAS INTENTICNALLY LEFT BLANK.
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- Page No. III-7 R port No. 45_869-1
/
L
- Modules E & L Module K L
1- A 1 1 A 1 2
2 B 2) 2 3
B C
3 C 3 3}
0 0 #) -
4 5
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Penetra tion [
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Module O Podules C 3 F NOTE: 1- On module O Pins C & E are 4 AWG and Pins A,B,F 5 G are 8 AWG
- 2. Insulation resistance (IR) shall be measured between each conductor and all other conductors tied to ground.
- 3. Insulation Resistance shall be greater than 100 megohms for modules C, 0, E, and F and 10 megahms for modul.ts X and L prior to start of testing. Reading below these values af ter the start of testing shall be acceptable. Functional capability of the circuits is determined by the ability of tne circuits to maintain the prescribed voltage.
FIGURE III-1.1 WIRE DIAGRAM AND INSULATION RESISTANCE
Pcga No. III-8 Riport No. 45869-1 TABLE III-1.I THERMOCOUPLE LOCATIONS INSIDE STEAM CHAMBER
- 1. On exterior face of junction box cover
- 2. Air temperature inside junction box
- 3. In backshell of Module C
- 4. In backshell of Module D
- 5. In backshell of Module E
- 6. In backshell of Module F
- 7. In backshell of Module K
- 8. In backshell of Module L
- 9. On outside of junction box mtg ring (3600)
- 10. On face of flange near Module C
- 11. On face of flange near Module K or L
- 12. On 3/4 inch chamber flange plate at 360 0 ,
- 13. On 3/4 inch chamber flange plate at 90
- 14. On 3/4 inch chamber flange plata at 180
- 15. On 3/4 inch chamber flange plate at 270 0
- 16. Chamber air temperature
- 17. Chamber air temperature
- 18. Chamber air temperature
- 19. On receptacle of Module E
- 20. On receptacle of Module D OUTSIDE STEAM CHAMBER l 24. On exterior face of junction box cover
- 25. Air temperature inside junction box
- 26. On backshell of Module C
- 27. Inside nozzle air temperature
- 28. On face of flange near Module C
- 29. On face of flange near Module K or L
- 30. On 3/4 inch chamber flange plate at 360 0
- 31. On 3/4 inch chamber flange plate at 90
- 32. On 3/4 inch chamber flange plate at 180
- 33. On 3/4 inch chamber flange plate at 270
- 34. Annulus air temperature (high)
- 35. Annulus air temperature (center)
- 36. Annulus air temperature (low)
PA0E NO. III-9 j
l TEST REPORT NO. 45869-1
[
[
C APPENDIX III-2 REQUIRED TEST CONDITIONS
[
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- TEMPERATURE
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I/8 TiliE AFTER START OF ACCIDENT TEST, ll0URS 1101 E S : (1) All steady state temperatures stiall be as shown, +10*F, -0*F.
(2) Peak pressure shall not exceed 25 9519 FIGURE III-2,1 ENVIRONMENTAL TEST PROFILE INSIDE CONTAINMENT
150 -
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(2) Af ter 2400 seconds, the test teinperature shall be wi ttiin +15"F, -0*F.
l FIGURE III-2,2 ANNULUS TEMPERATURE PROFILE COMBINED MSLB/LOCA m-m - m 1- e N .- o h
Paga No. III-13 Raport_ No. 45869-1
- TABLE III-2.I s MODULE ELECTRICAL REQUIREMENTS MODULE CONDUCTOR VOLTAGE CURRENT C 1 600 VAC . 150 Amps (110 amps)
- 2 600 VAC 0 Amps 3 . 600 VAC 150 Amps D 1 600 VAC 25 Amps (1 2 amps) 2 600 VAC 25 Amps 3 600 VAC 50 Amps (1 3 amps) 4 600 VAC 50 Amps
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5 600 VAC 25 Amps -
6 600 VAC 25 Amps E . 1 600 VAC 15 Amps (12 ' amps)
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2 600 VAC 15 Amps 3 600 VAC 15 Amps 4- 1 600 VAC 15 Amps
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5 600 VAC 15 Amps 6 . 60'0 VAC 15 Amps
- 7 . 600 VAC 15 Amps 8 _ 60,0 VAC. 15 Amps 9 600 VAC 15 Amps
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. 10 600fVAC 15 Amps 11 ' 600VACi 15 Amps
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Page No. III-14
_Rsport No. 45869-1 TABLE III-2.I (CONTINUED) ]
MODULE CONDUCT 0R' VOLTAGE CURRENT ]
K 4.- , 120 VAC 0 ,
'S
- 120 VAC 0 6' '120 VAC 0
-7 ; .120 '!AC .0 8 ~ 120 VAC 0 9 '120 VAC 0 10 120 VAC 0 l 11 120 VAC 0 12 120 VAC 0 13 120 VAC 0 14 120 VAC 0 .
L 1 600 VAC 5 Amps (+ 1. amp) 2- '600 VAC 5 Amps_
3 600 VAC 5 Amps ]
4 600 VAC 5 Amps
~
5 .600 VAC 5 Amps
- 6 600 VAC -
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12 7 600 VAC 5 Amps
{ '8 600 VAC 5 Amps
- 9. '600-.VAC 5 Amps J. ..
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,600.VAC. ,9 5. Amps
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1-S 11 600 VAC 5 Amps 12 600 VAC 5 Amps NOTE: Tolerance on 600 VAC is + 10V, and on 120 VAC + 5 VAC "
Tolerances on currents are noted above and appTied to each conductor requiring that ampacity. ,
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PAGE NO. III-15
~ TEST REPORT NO. 45869-1
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APPENDIX III-3 ACCIDENT TEST DATA
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Paga No. III-17 Report no. 45869-1 TABLE III-3.I MODULE E BEHAVICR DURING ACCIDENT TEST TIME, DAY-HOURS (1982) EVENT May 10 - 1403 Started steam ramp.
May 10 - 2100 Blew 0.5 amp fuse. Attempted to re-establish power with one amp fuse; blew immediately. Found conductors 9-10 with low resistance (157K32). Removed conductors 9-10 from circuit and re-established power at 600 volts, AC.
May 11 - 0315 Re-established power at 120 volts on conductors 9-10 (0.5 amp fuse).
IR 9 1.5 x 10 6g ,
May 11 - 0835 Applied 600 volts on conductors 9-10. Blew 0.5 amp fuse.
May 11 - 0940 Applied 120 volts on conductors 9-10, 0.5 amp fuse holding.
May 12 - 1000 Re-established 600 volts on conductors 9-10, 0.5 amp fuse holding.
May 12 - 2300 Blew fuse.
May 13 - 0800 Re-established 120 volts on conductors 9-10, 0.5 amp fuse.
May 13 - 1415 Re-established 600 volts on conductors 9-10, 0.5 amp fuse.
May 13 - 1417 Blew fuse, re-established power at 120 volts on conductors 9-10, 0.5 amp fuse.
May 14 - 0748 Re-established 600 volts on conductors 9-10, 0.5 amp fuse.
May 15 - 1500 Blew fuse. Low resistance conductors 7-8, and 9-10. Applied 120 volts these two circuits.
May 16 - 0835 Blew fuse. Low resistance found on conductors 1-2, placed these on 120 volts.
May 16 - 0850 Blew fuse. Low resistance found on conductors 9-10, placed these on 120 volts.
May 16 - 1820 Blew fuse. Could not establish poser on conductors 1-2.
May 16 - 1825 Blew fuse. Could not establish power on conductors 11-12.
May 17 - 0740 Re-established 600 volts on all circuits.
May 17 - 1300 Blew fuse. Could not establish power on conductors 1-2, and 11-12.
Power to all other circuits at 120 volts.
May 18 - 1152 Blew fuse. Ccnductors 3 thru 8 holding at 600 volts; all other circuits blowing fuse at 120 volts.
Paga No. III-18 Report No. 45869-1 l
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PAGE NO. IV-1 TEST REPORT NO. 45869-1 SECTION IV FINAL INSPECTION 1.0 PROCEDURE At the completion of the extended Accident Test, all plug modules were disassembled for evidence ofCdisjorti'on; extrusion, or moisture. The electrical penetration assembly was returned to D. G. O'Brien, Inc.
for a leak lest.
1.1 Results P
1.1.1 Visual Examination All mcdules were found to be in excellent condition with the exception of the E plug module. Examination of the E plug revealed a blackened area on the insulator near Pins 9 and 12 (see Photograph in Appendix IV-1) .
. Thyre was also a severe cut in the insulation of Conductor No. 12 under tile backshell clamp. This< cut _could have allowed moisture to enter the connector and caused the erratic behavior of Module E. See Appendix IV-1 for photographs of all the connectors.
1.1.2 Boron Analysis In anothar attempt to determine the presence of bcron, which would indicate steam leakage, various samples were sent to Micron, Inc. for analysis.
After t'ie first Accident Test, samples of insulation jackets were sent to Micron, Inc. for boron analysis. These insulation samples were from the conductors which had leakage current in excess' of 0.5 amps during the first Accident Test: Conductors 1 and 6 from Module E, Conductors 8 and 9 from Module L, and Conductor 3 from Module C. After the second Accident Test, grommets and insulators from Connectors E, C, and L were sent to Micron, Inc.
for boron analysis. All samples were examined with an electron micro probe to determine the presence of boron.
No boron,was detected in any of the samples. See Micron, Inc. Report, Appendix IV-2.
1.1.3 Penetration Assembly Leak Test The leak test of the penetration assembly, conducted by D.G. O'Brien, Inc.
indicated a leakage rate well below the maximum allowable of 10-2 STD cc/sec. See Appendix IV-3 for the D.G. O'Brien Report.
WYLE LABORATORIES Huntsville Facihty
PAGE NO. IV-2 TEST REPORT NO. 45869-1 1.0 PROCEDURE (CONTINUED) 1.1.4 Fluorescent Dye Investigation A black light used to determine the presence of fluorescent dye, which was mixed in the chemical spray, failed to establish any dye inside the cable insulation or inside the module connectors.
WYLE LABORATORIES Hunt 3vslie Facill'y
PAGE NO. IV-3 TEST REPORT NO. 45869-1 APPENDIX IV-1 CONNECTOR PHOTOGRAPHS AFTER SECOND ACCIDENT TEST WYLE LABORATORIES Huntsville Facshty
page No. IV-4 Report No. 45869-1 6
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I APPENDIX IV-2 MICRON, INC. BORON ANALYSIS REPORT I
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WYLE LABORATORIES I Huntsville Facoltty
Page No. IV-12 R
_gport No._ _ _45869-1 I
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Paga No. IV-13
} R: port No. 45869-1 t
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k Report #R-5606 Rubber Cable Jackets Mr. Hamp Smith f WYLE LABORATORIES .
7800 Governors Drive West
- Huntsville, AL r
[
1 L
Date: July 7, 1982 Approved:
1 Dr. Norman E. Weston r Vice President L
[ 4153-P NEW/kf l
L
Page No. IV-14 Report No. 45869-1 /
F^
'I iT1lCr'Cninc.
Anab/ tcal Ser'vce I WOwhiy
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I Report #R-5606 July 7, 1982
(
Mr. Hamp Smith WYLE LABORATORIES 7800 Gobernors Drive West Huntsville, AL ,
Rubber Cable Jackets Samples: Five rubber cable jackets, identified as E-1-L, E-6-L, C-3-L, L-8-L, L-9-L plus other samples.
Request: Perform electron probe analysis of the inner surface of each jacket to seek evidence of boric acid residue as,per telephone conversation between W. E. Gresham (Micron) and H. Smith (Wyle Laboratories) or A. Husseini (Duke Power).
Results: The inner surface of each jacket was examined optically, at 30X magnification, to select an appropriate area for analysis, i.e. an area showing an apparent surface residue. Figure 1 shows scanning electron f micrographs of the areas which were examined. Figures 2-3 show EDXA spectra typical of the materials studied; the method is sensitive to elements with atomic number above 8. Note that jacket L-8-L had high chlorine, while E-1-L had little.
Limited spectral scans for boron are shown in Figs. 4-5. Baron was not detected in any sampled area. The low intensity line observed for
I Page tio. IV-15 Report tio. 45869-1
~
(Report #R-5606 RESULTS cont'd)
[
L L-8-L and for L-9-L was attributed to chlorine which was high in these
(
samples. The sensitivity for boron is shown by the B m peak in Figure 6 which was obtained from sodium tetraborate with 21.49 wt.: boron.
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Page No. I'/ - 16 Report No. 45869-1 l
Scanning Electron Micrographs (800X) of Areas l For Boron Analysis 1
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Page No. IV-22 Report No. 45869-1 THIS PAGE WAS INTENTICNALLY LEFT BIANK.
' PA0E NO. IV-23 TEST REPORT NO. 45869-1 l
L APPENDIX IV-3 PENETRATION ASSEMBLY LEAK TEST REPORT 4
. BY D, G, O'BRIEN, INC.
Huntsville FacHity
Pigg No. IV-24 Report !!o. 45869-1 ,
THIS PAGE WAS INTENTIONALLY LEFT BLANK.
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1
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f
Pagm No. IV-25 R: port No. 45869-1
)
~
y: :j-f N-3538-63024 June 21, 1982 Duke Power Company P . O. Box 33189 Charlotte, NC 28242 Attn: Mr. John S. Tannery Design Engineer I
Subject:
Helium Leak Test - McGuire/Wyle Labs Specimen Gentlemen:
Enclosed are two copies of the helium leak test rep ort on the subject specimen after the two steam exposures at Wyle Labs. As you can see , the leak rate is well below the 10-2 std cc/sec rate allowable after such exposure.
We have set the unit aside for the moment until such time as we may collectively consider further testing requirements.
Very truly yours, h
OB D. G N lNC .
. P. Hilber . P. C. Doringe c blanager Sales Manager 8rvrgy Components HPH/PCD/1db cc: T. R. Black, Mill Power Supply Co.
Hampton Smith, Wyle Laboratories /
S. Perkinson, The Perkinson Co.
1 - _ _ _ _ _ _ _ _ _ _ _ _
Page No. IV-26
- Report No. 45869-1 [f'[Fye
.D.. G. O'Brien, In iF g, :
+nn .
HELIUM LEAK TES T \
m 4 PP ,
JOB. NO. 6 3 d,2 4 - O / TESTER N #eceuI. k .. t DATEa. $ ) /F /8.2 PART NO. prv PROC:. NO.7/'-I #-#] REY. E PROCkAR/.. Ig'3. O TEMPERATURE '7/) F HUMIDITY 60 % QA-TM- / 9 ef- / REY. [
~'
REQUIREMENT < / X 10 ATM CC/SEC. SENSITIVITY 9.434/d ATM CC/SEC/DIV HELIUM PRESSURE / 7, 6- PSIG. HELIUM /00 %
i YACUUM LEVEL ,O/ MICRONS. TIME AT PRESSURE BEFORE READING l6~ MIN. -
HEL. STD. LEAK S/N T- R3 DATE NEXT CALIBRATION b~ /2 9 / 9df 1
SERIAL NO. BACKGROUND READING LEAK RATE CC/SEC (Ltk Rdr & BotA S'idn o/s.r < .S';-
altuwasIv) .
77+0 L - O 50 X 3s- I65 x10
ed SERIAL NO. ACTUAL LEAK RATE ATM (STD.) CC/SEC. ,
77't0 L n,.m,.bi/ /esJ uf' / s'.?Vxm '7s,C <9C-c .
RExiRES. </ o. u x
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Approved 'f ~ 2 Tes4/ Supervisor)'
Date I
s Paga No. IV-27 .
45869-1 g g gg/g fg.,.ReportNo. ,
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