ML20199L800

Output Fault Test Results for Energy,Inc Analog Isolator

ML20199L800
Person / Time
Site:	Maine Yankee
Issue date:	07/01/1986
From:	ENERGY, INC.
To:
Shared Package
ML20199L787	List: ML20199L781 ML20199L800
References
EIP-TR009C, EIP-TR9C, NUDOCS 8607100015
Download: ML20199L800 (15)

Text

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REPORT #EIP'TR009C

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. OUTPUT.. FAULT TEST R$SULTS -' '

FOR EI'S ANALOG ISOL.% TOR-

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' PORTLAND GENERAL ELECTRIC.

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8607100015 860701 * *

. , PDR ADOOK 05000309*- ,

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SUMMARY

5 r (1) Type *of device: ANT. LOG ISOLhTOR

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(2)..Part Number:01622 . .

Serial Number:0001

. . , Brief Test Discussion .

The isolator module was sub'jected-t,o output. fault'.s of 140 Vac and

.1-40 Vdc at to amps. After appilcation of ,the f au l t, the modu l e, Va.s' -

1 tested for 1;solatlon' capability (Hi-Potential Test),and.funct,lonal capabil'Ity. The functional portion of the . test is only used to ident.l f y failed components. It 1s not a reqpirement of the Iso,lator to function after the application of a fault but only to'natntal.n isolation: 0, The devi,ce (x) passed,( )falled the Output' Fault Test.

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, TABC,E OF CONTENTS -

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TEST PURPOSE..................

. . . . .....: . . . . . . . . . . . . . . . . . . . . . .,. . 1 REFER 5NCE

. DOCUMENTS...............*................................... -

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l ' T E S T R E P 0 R T . . . . . . . . . . . *. . . . . . . . . . . . . . . . . . . .~ . . . . . . . . . . . . . . . . . . . ., . . . . . . .3. -

, 1. Test 5ubject.......................................... 3 -

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2. Test-Configuration..r..............................s...... .... 3

3. Pretest. Data...................................... ... ....... 3

4. Interim Test Data........................................ 3 5.' Post Test. Data...........'.....J.......................

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I 61 Failed Components................. . .............'....<....'. 3

7. Comments /Conclus1ons...............e......................,.3 g

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LIST OF'F.IGURES

• FIGURE TITLE -

, P11GE 1 .

De v i c e Un d e r T.e s t . . . . . . . .'. . . . . . . . . .,.. . . . . . . . . . . . . . . . . . . -

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,. Functional Test Configuration.........s.............. 5

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3A Hi-Potential. Test Cortfiguration.(DC).'............... ,6 *

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• Hi-Potential Test Configur'ation (AC)...........,....... .

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• Optput Fault Test (DC)................~............,.....8 4B Output Pault Test .(AC)........................ . . ...... 9 .

5 Surge Withstapd Test (Transverse Mode Output)'...... 10

. s APPINDIX A X/Y Plotter print of monitored'DUT inputs during Fault app 14 cation.'

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PURPOSE ,

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The.Durpose*of the the output. Fault Test is to vet l'fy that during and I af ter .the. application of a fault voPtage - to, the output of an lsolator ~

chann.el the isolator maintains.1splatton and does not propagate the .,

fault to the input. .

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-r PEFERENCE DOCUMENTS. ,

d. Energy Inc. Work Adtivity' Package WAP-PORT-2-001.,Thbs Work Activity Package invokes portions'of EIP-24, "That. Procedure For Perfo,rmance And Isolation Testing Of 1E Analo'g'And Digital Isolators". , . -

2. IEEE Std. 4*/2-1974, "IEEE G'ulde- for Surge Withstand Capability (SWC) Tests

3. IEE.E STD. 323-1974, " Standard.for Qualifying Class 1E Equipment f or Nucl' ear Power Generat ing . Stat ions" .-

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TEST REPORT y .' *

1. Test subject: Analog Isolator ,

D Part Number 1622-3. [ Serial'Num,ber 0001 Prototype 0002 Prototype -

Reference Figure # 1  ;

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2. Test Configuration , ,

~ Transverse Mode .0utput Fault Test

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Reference Figure 4A and 48 .

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Channel 1 on both boards was confjgure'd for a 1622-3.

The channel output fuse was replaced with a jumper. *

, 3. Pyetest, Data .

1. Channel I was given a transverse mode output SWC test.

2. Channel 1 was functionally tested to verify that no damage had

.. occurred during SWC testing.'

4 .- Interim Test Data ....-

1. [140VACtransversemodeoutputfaulttestwasperformedonchannel'*

1 on S/N 0001,

2. A 140.VDC transverse mode output fault test was performed on channel' '

~1 on S/N 0002. , -

5. 'Posttest Data '

1. A DC high-pot test was' performed on channel 1.

2. An AC high-pot test was performed on channel 1.

3. A functional test was performed on channel 1.

6. Failed Componet/s

1. ' Surge withstand varistor VR1 failed by short circut on S/N 0001 and open circuit on S/N 0002. +

2. Output trace on channel 1 fused open on S/N 0001. ,

7. Comments / Test Conclusion

1. Channel I continued to perform its is'olation function during and fol. lowing the fault testing.

2. No transient or steady state perturbations occurred on the isolafor input during or following the fault application (see attached recordings).' '

3. Fusing of the output trace was due to the high current flow through the output surge suppression varistor immediately following applica ;'

tion of the fault voltage.

PAGE 3 of 11 l

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APPENDIX A .

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. . X/Y PLOTTER PRINT OF '

. . MONITORED DUT INPUTS .

DURING FAUL,T APPLICATION. . . -

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