ML20126G718

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Analog & Digital Isolation Device Test Procedure, Revision C
ML20126G718
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 06/25/1980
From:
BECHTEL GROUP, INC.
To:
Shared Package
ML19350C198 List:
References
7749-E-238-2-4, PROC-800625, NUDOCS 8103310519
Download: ML20126G718 (16)
v • d • e


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BETHE' CONN. EL SEGUNDO. Calif ORAWN L . L . 2 / ?9 / 80 CHECKEn N- ANALOG AND DIGITAL' ISOLATION DEVICE I TEST PROCEDURE / '

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3 This procedure details the objectives, test and documentation s

requirements to implement the isolation device testing program. )

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1 2.0 OBJECTIVE The objective of these tests is to demonstrat e the ability of

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the isolation devices used in the SFAS modules and system to withstand the application of fault voltages and currents to the Non-1E side of the isolator.

3.0 TEST E0VIPMEflT Power Supply Module Power I 15 VDC 0 2.0 amp

  1. + 24 VDC 0 1.0 amp 4 Fault V & C 172 VDC 0 2.0 amp 24 VDC 0 36 amp OVM - Data Tech Podel 40 or equivalent Oscilloscope - Techtronic 465 or eouivalent Chart Recorder - Gould/ Brush 220 or equivalent AIIrneter - Weston 931 50 amp or equivalent '

Current Probe - Techtronic P5042 or equivalent

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4.0 TEST PROGQAM OUTLINE . .

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'4.1.1.1 Fault Voltace .- e 4.1.1.2 Fault Current , ,

4.1.1.3 Test'to Failure

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41.2- 6N81' Bistable .- .

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4.1.2.1 K1 Relay Input -

4.1.3 6N83 Output Module 4.1.3.1 K3 Relay Input 4.2 Analog Isolation Device Test -

4.2.1 Fischer Porter I/I 4.2.1.1 023rati'onal Test.

4.2.1.2 Fault Voltage

4. 2.1. 3 Fault Current

> 4.-

5.0 TEST PROCEDURE 5.1 Clare Relay MBR2A12 CCC P/N KEL431B

1. Connect Relay Under Test as shown in Ficure 1. Note:

Connect 172 VDC P/S to separate isolated 115 VAC source from 115.VAC for scope or chart recorder.

2. Operate 51 in test circuit and observe and record scope and chart recordings on Data Form 6.1.

3 3,,' Connect relay under test as shown in Figure 2.

. '4 . Operate Si in test circuit and observe and record scope and char +, recordinos on Cata Form 6.2.

5. Connect relay under test as shown in Figure 3. ,

1

6. Operate 51 in test circuit and increase current thru i .

relay contacts until relay fails. Record scope and chart

. recordings on Data Form 6.3. j l

7. Perform dielectric test between coils and contacts 0 l 1250 VAC. Record on Form 6.3.

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  • Set Trip Set Pot to 50"..

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  • Set input to 47.2.5"[of input. Clear trip light.

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.5. Apply fault voltage 172 VDC 01.5A to test input. Maintain input for 20 seconds.

6. Set input to cause module to trip.
7. Observe and record scope and chart recordings on Form 6.4A.
8. Connect bistable as shown in Figure 4B.
9. Set input to .caese module to trip.

10 Set input to 52.15'lof input. Clear trip light.

11. Apply fault voltace 172 VDC 91.5A to test input. '

Maintain

. input for 20 seconds.

12. Set input to cause module to trip. ,
13. Observe and record scope and chart recordings on Form 6.4B.

5.3 OttJut Module Test

1. Connect module as shown in Figure 5.
2. '

Oper and Close 51 in test circuit. Verify output oper-ation of nodule.

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,). Apply fault voltage 172 VDC 01.5A to tes.t input. Maintain

. input for 20 seconds. '. -

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, 4. Open and Close S1'in test circuit. :Viriff out;put operation .

of module. ., ,, ,  ;.

} . 5. Observe and recer'd scope _and chart recordings on Form 6.5.

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h. , Connect Fischer Por.ter.as sh.own in.Figu.re 6i . 7 e,.

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2. Verify correct cperat19n by 'ccmpletincj Form 6.6A.

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3. -Connect.I/I.as,shown in Figure.7.,

j 4. Set input to values shown on Form.6.7. . Apply fault voltage g and current at each input value. *

5. Observe and record scope and chart recording 'on Form 6.7.
6. Perform Dielectric Test between +,4 and ,B terminals 0 1064 VAC. Record on Fonn 6.7.
7. Connect I/I as shown in Figure 8.
8. Set input to values shown on Form 6.8.' Apply. fault voltage and current at each input value. >
9. Observe and record scope.and chart recordings.on Form 6.8.
10. Perform Dielectric Test between +,4 and ,B. terminals -

at 1064 VAC. Record on Form 6.8.

11. Connect I/I.as shown in Figure 6.
12. Verify correct operation by completing Forn. 6.68. ,

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