ML100271823
| ML100271823 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 07/07/1981 |
| From: | Korner R Westinghouse, Div of CBS Corp |
| To: | |
| Shared Package | |
| ML093430851 | List: |
| References | |
| NUDOCS 8202090351, PEN-TR-81-37 | |
| Download: ML100271823 (31) | |
Text
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I Westinghouse Electric Corporation Electronic Components Divisions Westinghouse Circle Horseheads New York 14845 PEN-TR-81-37 June 2, 1981 July 7, 1981, Rev. 1 ANALYSIS AND REPORT ON THE SAFETY RELATED ELECTRIC PENETRATIONS FOR THE INDIAN POINT PLANT Ref.
S.n.D. Purchase Order #416962 W IGTD Purchase Order #546 SSG416962-SN R. L. Korner Project Engineer 82o209o351 820204 PDR ADOCK 05000286 P
I N DE X 1.0 Identification of Equipment and Materials 2.0 Purpose of this Report 3.0 Qualification Test Plan 4.0 Required Environmental Conditions 5.0 Qualification Data for Types 1, 2 3 6.0 Justification that the Prototype Unit Tested Actually Represents the Installed Equipment 7.0 Identification of Materials Used for Types 1, 2, 3 8.0 Qualification Data for Type 6 9.0 Identification of Materials Used for Type 6.
10.0 List of Instruments 11.0 Seismic Data 12.0 Cable Qualification 13.0 Report Summary i
1.0 IDENTIFICATION OF EQUIPMENT AND MATERIALS Penet.
Nozzle Number H19 H23 H25 H27 H28 H33 H35 H42 H32 H37 H45 H50 H53 H57 H36 H46 H47 H48 H49 H51 H52 H55 H56 Conductor Size
- 16 AWG
- 16 AWG
- 16 AWG
- 16 AWG
- 16 AWG
- 16 AWG
- 16 AWG
- 12 AWG
- 12 AWG
- 12 AWG
- 12 AWG
- 12 AWG
- 12 AWG
- 12 AWG
- 12 AWG
- 12 AWG Number of Cables 36 conductor STQ 36-conductor STQ 36 conductor STQ 60 conductor STP 36 conductor STQ 60 conductor STP 60 conductor STP 60 conductor STP 6 conductor 6 conductor 6 conductor 6 conductor 6 conductor 6 conductor 180 conductor 180 conductor 180 conductor 180 conductor 180 conductor 180 conductor 180 conductor 180 conductor 180 conductor Item No.
(Dwg.. E2198) 3 3
3 2
3 2
2 2
6 6
6 6
6 6
w Number 31776 31776 31776 31775 31776 31775 31775 31775 31892 31892 31892 31892 31892 31892 31774.
31774 31774 31774 31774 31774 31774 31774 31774 Penetration assemblies of all types are shown as installed in composite drawing E2198.
Further clarification of the type (6) penetration is shown in drawing 75-31892.
2.0 PURPOSE OF THIS REPORT To provide analysis and test report data to support the capabilitty of these electric penetrations to function under postulated accident conditions.
3.0 QUALIFICATION TEST PLAN The electric penetrations under test fall into two basic types.
3.1 Types 1, 2 and 3 (Dwg. E2198)
These penetrations have conductors ranging in size from #16 AWG to
- 12 AWG, and are sealed with ceramic seals.
Pigtails are spliced to the seal conductors and are then potted to protect and strain relieve the splices and seals.
All pressure retaining components are either metal or ceramics and are not subject to ageing or irradiation effects. A test report on LOCA performance of this design will be included.
Other materials will be identified.
The effects of thermal ageing, chemical spray and irradiation will be analyzed relative to the required function for each particular material.
Cable qualification is included used is identified as follows:
Penetration Type 2
3 in Section 12. The cable which was Manufacturer
- 12 AWG single conductor HTK Kerite FR Jacket (600V)
- 16 AWG Shielded Twisted Pair B.I.W. "Bosrad 7" (600V)
- 16 AWG Shielded Twisted Quad B.I.W. "Bosrad 7" (600V) 3.2 Type 6 (Dwg. E41071)
This penetration has (6) 350 MCM conductors sealed with large ceramic seals.
All functioning components are either metal or ceramics and are not subject to ageing or irradiation effects.
A test report on the LOCA performance including chemical spray of the seal assembly will be included.
The internal cable is Kerite 350 MCM HTK with FR jacket (600V).
Qual ification for this cable is not included.
4.0 REQUIRED ENVIRONMENTAL CONDITIONS 4,1 Irradiation 2 X 107 Rads gamma 4.2 Normal Ambient 50°C -
122*F 4,3 Other Requirements APPENDIX B DEFINITiOI:
OF
.D FOR HOSTILE SERVICE CONDITIONS
- 1.
Description of In Containment Environment.
(a) The highest temperature and pressure from a LOC is a double ended cold leg break (Ref FSAR Section 14.3), resulting in a Containment temperature rise to 287°F, (See Figure 1) and a Containment pressure of 40 psig.
(See Figure 2)
(b) The pressure and temperature from a steam line break is mitigated by a "prompt redundant spray system", therefore LOCA conditions are governing (Ref Guidelines for Evaluating Environmental Quali fication of Class 1E Electrical Equipment in Operating Reactors).
(c) The radiation dose for 30 days following a LOCA including normal radiation is assumed to yield a total integrated dose of 2 X l07 Rads, (Ref Guidelines for evaluating environmental qualification of Class 1E electrical equipment in operating reactors.)
(d) The Containment Spray chemistry using.40% sodium hydroxide and 2 000ppm boric acid solution, yields a ph of approximately 10.
(Response to bulletin 77-04.)
- 2.
Description of Main Steam, Main Feed and Auxiliary Feed Pump areas outside Containment.
(a) The highest temperature and pressure from a break in the Auxiliary Feed Pump Steam Line in the Auxiliary Feed Pump Room is 213 0 F and 0.9 psig. These are reduced to ambient within 5 minutes because of High Temperature Trip Sensors set at 135 0 F, thereby isolating the Auxiliary Steam Driven Pump Steam Line.
(Ref Analysis of High Energy Lines in letter Trosten to Giaxbusso dated May 14, 1973)
(b) The highest temperature and pressure from a Main Feed or Steam Line break in the Main Feed and Steam area is a negligible temperature increase and a pressure of 0.42 psig.
(Ref analysis of High Energy Lines in letter Trosten to Giambusso dated May 14, 1973.)
-(c)
Radiation integrated dose for 30 days including normal radiation is negligible (response to NUREG-0578) and therefore is neglected.
- 3. Description of Pipe Penetraticn, Residual Heat Removal and Safety Injection areas in the Auxiliary Building.
(a) The radiation levels in this area are very dependent upon location up to a maximum integrated dose of 3.6 X 106 Rads for 30 days.
(Ref response to NIMREC-0578)
(b) Temperatures and pressures do not increase because of the accident.
a #$-,II ' A i i r, -
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5.0 QUALIFICATION DATA FOR TYPES 1, 2. 3
N Westinghouse Electric Corporation Electronic Components Divisions Westinghouse Circle Horseheads New York 14845 PEN-RLK 16-01 ACCIDENT ENVIRONMENT TEST REPORT
.373
'Report/written by R. L. Korner
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ROTARY PUBLIC. STAT£ OF xnV YIII MARCUS V. DILMCRE OFFICIAL fNO. C-..3,o Term Expires t..arch 30, lg" APIUIDi IN el.*jG CWiTwi 8202090356 820204 PDR ADOCK 05000286 P
~2~d ct.4y C5 e 4., 4s 11144 Notarized by
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use Electric Corporation Industry & Defense Cmpents and Materials Electrmnic Tube Division Box 284 Emira New York 14902 (607) 739 7951 March 16; 1973 PEN-RLK-3-16-01 ACCIDENT ENVIRONMENT TEST REPORT Test Completed 2/5/73 The purpose of this test is to ensure that the design submitted is capable of maintaining seal integrity electrical insulation quality after being subjected to "accident" ambient conditions for temper ature and pressure as required by IEEE Standard #317.
Penetration under test:
The penetration under test is a prototype which represents three types of penetrations for the Brunswick plant.
There are 36 conductors with #1 AWG pigtails representing the class B prototype.
Fifty #10 AWG conductors are included for the Class C penetration. Five copper constantan thermocouples (pairs) were included to complete the requirement for the Class D penetration.
==
Conclusion:==
The prototype penetration built to represent the Class B, C and D.
Brunswick penetration satisfactorily passed the accident environment test.
- 1. The canister remained leak tight for t e conditions of the test.
(L.R. was less than 1 X 10-0 std, cc/sec. heliuml,
- 2. Insulation resistance for thermocouples remained above 1010 ohms after test (Class D).
- 3. Ingulation resistance for #1 AWG - 600 V remained above 10 ohms after test.
Two other conductors dropped to 8X1O6 and 3X10 5 ohms, however, these values are con sidered operable.
Procedure:
The penetration was initially checked for leakage with the Helium mass spectrometer leak detector.
It was then penumatically tested at 80 psig to volumetrically determine if any leakage occurred at this stress loading. The penetration was found leak tight.
Elec trical tests were performed to determine the insulation resistance, the contact resistance and the dielectric strength test of the conductors before and after the accident environment exposure.
An inboard weld ring was welded to the canister to enable attachment to the steam chamber.
Prior to attaching the penetration to the steam chamber electrical connections were made to permit simulation of function during test.
These connections are shown schematically in Figure 1.
Nine number I AWG cables were selected to have 60 Amp flowing through each of them. A pair of #1O AWG cables were loaded to 15 Amp. Two thermocouples pairs were twisted and welded to make thermocouples.
One of these thermocouples was attached to one of the #1 AWG cable jackets, the other thermocouple was allowed to float loosely inside the steam chamber. See Figure 2.
The required test conditions are as follows:
3400 F 56 PSIG 6 Hrs.,
Inboard 3200F - 250°F 18 Hrs. )
Header 148 F for I hour
)
Outboard End Fig. 3 shows photographs of the penetration mounted on the steam chamber with instrumentation for pressure and temperature measure ment located in place.
List of equipment used:
Thermometer 0 - 1000C L&N Speedomax Recorder 6 point temperature Penetration Gage - Pressure 0 - 60 psig Steam Gage
- Pressure 0 - 150 psig L&N Potentiometer 2 point (2)
NOTE 1 All tests for leakage were performed with a Helium mast spectrometer.
In all cases no leakage was detected.
The sensitivity ofhe instrument with the sniffing technique used is 1 X 10 std. cc/sec. (Helium).
The steam chamber is equipped with supplementary electrical heaters to boost the temperature above the saturated steam temperature which corresponds to 56 PSIG. These were turned on prior to start of the test.
Temperature rose to 300 F in about two minutes. The required temper ature of 340 F was achieved fifteen minutes after start of the test.
Steam at atmospheric temperature was fed to the outboard end of the penetration to simulate the required conditions.
Chemical spray was not used in this particular test.
The effect of borated water on the penetration cables which are the only exposed functional parts is discussed in Section 12.0 - Report B904 - Boston
.Insulated Wire Co.
Results of Test:
The conditions of the test have been transcribed from the actual chart which is filed with figuring book #130832.
Figure 4 shows the measured temperatures as time progressed. Th8 decay in temper ature which occurs after the six hour hold at 340 F was accomplished in three steps so as to approximate the specified temperature decay.
At the start of test. the internal pressure inside the penetration was 14.2 psig at 250 C. Upon completion of the test, the pressure when corrected to the initial temperature was found to be 14.3 psig.
The small difference can be attributed to gage reading error. Since the leak monitoring pressure before and after test were the same, it can be concluded that no leakage occurred during the test.
THERMOCOUPIE LEAD TESTS (CLASS D):
The five thermocoupic pairs which were present were checked for insulation resistance after completion of the test.
The following values were obtained for the insulation resistance in ohms taken at 500V D.C. with a megohmmeter.
T.C. #4 T.C. #5 T.C. 6 T.C. #7 T.C. 8 Copper to Ground 2 X1O I0 1 X10 1 0 1 XI10 8 X10O 0 8 XIO10 Constantan to Ground l.5X1O 1 0 l.5X O
10 1 XIlO1 9 X0 10 9 X1lO Shield to Ground l'2xoO 1
.5XlO1 O
- l. IXIO I0 9.5XI10 8 XlIO Shield to Copper 5 X1O 1
X10 11 l.5XlO 1
3 XIO 1.5X1OII Constantan to Copper 15XIO 1
X10 11 l.IXlO I I 1.2XlO 1.3XIO1I Shield to Constantan 2 X1O 1 1 5 XO11 l.SXlO !1 4 XIO I 1
2 XlO 1 1 All the above values are satisfactory for instrumentation service.
The thermocouples were also subjected to a 1 KV AC dielectric strength test before and after test.
All conductors passed this test.
43)
LOW VOLTAGE CONTROL (CLASS C) # 10 AWG Conductors:
Table #1 compares the insulation resistance and the contact resistance before and after steam testing.
The three conductors which were loaded to 15A during test were #31, 32 and 33.
These degraded somewhat but not signifi cantly different from other conductors which weren't loaded.
All insulation resistances remained above 108 Ohms except 015 and #44, which fell to 8X106 and 3X105 Ohms.
Since these circuits will be operating at 120 volts it is felt that this degradation will not be detrimental to function.
Dielectric test at 2.7 KV subsequent to steam testing was satisfactory for all conductors except #J44.
Contact Resistance improved ever so slightly after test.
LOW VOLTAGE POWER (#1l AWG Conductors Class B):
Table 2 compares the insulation resistance and contact resistance before and after steam testing.
The nine conductors which were loaded to 60 A during steam test were #78 through #86.
Degradation was about the same as for the unlogded conductors, however, none of these conductors were below 5X10 Ohms.
Conductors #64, 73, 77, 91 and 94 were low in resistance prior to the test, but the heat imposed by the test improved their insulation resistance.
Contact resistance remained essentially the same.
Dielectric test at 2.7 KV subsequent to steam testing was satisfactory for allI conductors.
TABLE I Comparison of Insulation Resistance and Contact Resistance Before and After Steam Test for #10 AWG Conductor Sizes.
Cond.
Insulation Resistance Contact Resistance Ident.
Ohms Ohms Number Before After Before After 3
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 5XII 1 5XIO11 9Xl0 13 5X 10' 1
7XO13 7X10O 5XO1I 1
5X10 1 1 5XO1I 1
x10 3XOI 2X0lO 1 3XlO11 2XlOII i5x10 11 3XIO 1I1 5X 101 1 41011 XlO 1 I 5X 1011 5X 1010 2X10 10 2X10 10
]X10 1 ° 8X10 6
3XI010 5X10 I 0 5X10 l0 2XI10 10 10 2X10 2X10 1 0 8xio9o 8XI0 9 1,5Xi010 3X10 10 1X10 1 0 3X10.
10 3X10 10 3X10 9
6X0 8
5XIO1
° 5XIO1
° 5X10 8
5X10 1 ° 5XiO 10 6X10 3
7X10 3
7X10 3
7xio "3 7X!0
" 3 7X10 3
7XI0
" 3 7X10 "3
7X10- 3 7X10 "3 7X10- 3 7XI0 "3
7X10"3 7XO03 7X10" 3 7X10 "3 7X10" 3 7XIO03 7XIO03 7X10-3 7X10 =3 7X1O ° 3 7X10=3 7XIO "3 7X0 3
7X10 - 3 7X10 3
7x10 "
7X10-3 7XlO 3
7X10-3 7X10 3
7x10-3 7X10 3
7XIO-3 7x1o "3 8X10 "3 7XI0 "3
8x10 "3 7Xi0 3
7X10 3
8x10 °3 8x10 3
8xio-3 8X10 "3
8X10 "3 8xio-3 8xio-3 8X10
°3 8xio - 3 8X10 - 3 8X10 - 3
Table I - Continued Cond.
Insulation Resistance Contact Resistance Ident.
Ohms Ohms Number Before After Before After 11 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 3Xl
3x10 1 1 5XO1I 1
5XO1I 1
5X101 5XlO 11 4XlO 11 4x10!
1 4X10 11 3X1O
!I 5Xi0 1
xi1 1 5X10 1 1 5X10
!1 5X10I I 3X10 1
5X10
!1 4xio !I1 5X10 1
5X10' 5XI11 3 XIOI 7X1 010 5X10 I1 0 5XlO1 o
3X10100 2X10100 3X10100 5X10 10 3X1 0 8XI108 8xio 0 5XO 010 3X10100 3X10110 5X10'10 5X101 00 5X10 10 5X10 I 10 8xio 50 5XO 010 3X10100 2X10 8
X10 o10 5X10 o10 5X10 10 7X10 3
7X10 3
7X10-3 7X10- 3 7XIO 3
7X10 3
7XlO 3
7X10 3
7x10"3 6XIO "3 7X10 3
7X10 "3 7x10 "
7X10 3
7X10-3 7XI0 "3 6x10 ° 6Xi0" 3
8x1o 3
8Xi0 "3 8X10 "3 8x10"3 8x0 8X10 " 3 8XI 0- 3 8x10° 3 8xi 8xi0"3 8x1o' 3 8x10-3 8X10 "3 8xIo-3 7Xi0 "3 8Xi~o 3.
8xi0o3 7xlo " 3 7xlo °3 7XIO"3 7XO 3
7XlO" 3 7XlO0 3 7XIO-3 7X10-3 3/21/73
3/21/73 TABLE 2 Comparison of Insulation Resistance and Contact Resistance before and After Steam Test for #1 AWG Conductor Sizes.
Conduc.
Insulation Resistance Contact Resistance Ident.
Ohms Ohms Number Before 2XI0 I I 2X10 1 1 2X101 3Xl0 7 2X10 1 1 2XlO I I 2X1O I I 2XI0 1 1 2XlO I I 2XiO I I
- 1.
5XI0 I I 5XIO 7
i,3XlOI 1 1 2XiO I I 1.5Xi0 11 5X1O 7
lXIO 12 12
]XIO 1IlO 12 1XIO 12 1.5X10 12 2XI0 12 i.xio 2
12 i5X10'8 2X10 1
... 5XlO 82 After I
.5XiO 9 5X108 5x10 8 2XI09 2XI09 5X10 2Xl0 9
5 xi o8 7xi0 9 6XI01° 7X10 89 8X 108 7X10 8 5 xlo 5XIO 8
5x10 3XI0 9
lX10 9 5 x 09 5XlO 9
]XO10 3xI10 5Xl0 9 Before 2X10 3
2X10
- 3 2XI0 "3
3X10
" 3 2XI0
"- 3 3X!0
" 3 2X10
" 3 2X1 0- 3 2XI0" 3 3xio" 3 2XlO"3 4XlO
- 3 3X 0. 3 2XlO "3
3X10
" 3 2X!0
" 3 2Xi
- 3 IX10 " 3 1Xi03 3x10-3 2Xi0 3
lX10
" 3 lxiO3 lX10
" 3 1Xl0 "3 2Xl0 3
After 2X10
- 3 3Xi0 3
1.5X10 3
2XI0 "3
2XI0 3
2X10 "3
2X10 "3
2Xi0 3
2XI0
°3 lxI0 3
lxI0 3
3X10 3
2X10
=3 2XI0 3
2XI0
°3 2XIO 3
IXI0 "3
IXlO 3
1X10
- 3 1xio-3 2XI0 "3
2XlO
- 4 lXi0 "3
lXIO 3
lX l0O 3
lxI0 3
IX10 "3
Table 2 - Continued Cond.
Insulation Resistance Contact Resistance Ident.
Ohms Ohms Number Before After Before After lXlOIt 1.5X10 1 1.5X1O 11 2X10 7
lxi 12 I X10 12 3XI0 7 1.5XI0 11 1!.5X10 I1 Xl10u 2X10 10 3X1 010 IXIOlO 8XI0 9
3Xl0 9
ixi0oo 3XlO 9
3XlO 10 1XlO "3
3X1O 3X10-3 Wxo
- 3 2X10 "3
2X1 3X1O 3
4xio1 2X10 3
2XIO "3
2XlO 3
2X1O
-3 IXlO "3 2Xl0 3
3XlO 3
2XlO
-3 3/21/73
FIGURE I ELECTRICAL WIRING OF PENETRATION During Accident Environment Test
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I I f 31
- 10 AWG 15 Amp
-31 I I Clamp on Ammeter 11 Is V
H if
.14 -Q-L..
II4 84 86 P
r Penet rat ion 0.It I
1.1 Il 1-F------
Three Phase Power Supply.
TC to L & N Pot.
Clamp on Ammeter to L Pot.
taLdm 6namuer Interior Three Phase Power Supply (3)#1 AWG Conductors per phase each with 60 Amp.
-J n
I 1-32 3 3 l
OU 01 0
/
L----
FIGURE 2 INSTRUMENTATION FOR ACCIDENT ENVIRONMENT TESTING Thermometer & Measure Outboard Temperature Steam to provide outboard ambient.
To Drain Exterior of penetration Is insulated with glass wool to simulate containment.
Supplementary Heaters TC #5 Penetration canister Internal pressure gage.
L& N 6 Point Recorder Incoming Steam To Drain
FIGURE 3 Overall View of Accident Environment Test Equipment Steam Chamber and InstrumentationSta Chme Steam Chamber