ML18100B028

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Proposed Tech Specs Revising EDG Hot Restart Test by Separating from 24 Hour Endurance Run & from Load Sequence Testing
ML18100B028
Person / Time
Site: Salem  PSEG icon.png
Issue date: 04/12/1994
From:
Public Service Enterprise Group
To:
Shared Package
ML18100B027 List:
References
NUDOCS 9404250253
Download: ML18100B028 (8)
v • d • e


Text

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ELECTRICAL PQWER SYSTEMS SURVBILLANCB REQUIREMENTS (Continued)

d. At lea*t once per 18 months during shutdown by:
1. Subjecting the diesel to an inspection in accordance with procedures prepared in conjunction with it* manufacturer'* recommendations for this cla** of standby service,
2. Verifyinq that, on rejection of a load greater than or equal to 820 kw, the voltage and frequency are restored to ~ 3950 and s 4580 volt* and 60 +/- 1.2 Hz within 4 **cond*.
3. Simulating a lo** of off*ite power by it**lf, and:

a) Verifying de-energization of the vital bus and load shedding from the vital bus.

b) Verifying the die*el atart* on the auto-*tart *ignal*,

energize* the vital bu* with permanently connected load* within 13 second*, energizes th* auto-connected *hutdown loada through the load *equencer and operate* for greater than or equal to 5 minute* while it* generator i* loaded with th* ahutdown load*. Th* *t*ady *tat* voltaqo and frequency of the vital bus

  • hall be maintained at ~ 3950 and S 4580 volt* and 60 +/- 1.2 Hz during thi* te*t.
4. Verifying that on an ESF actuation te*t *ignal without lo*** of off nite power the diesel generator start* on the auto-start signal and operate* on *tandby for greater than or equal to 5 minutes*.

The generator voltage and frequency shall be ~ 3950 and ~ 4580 volts and 60 +/- 1.2 Hz within 13 second* after the auto-start signal and shall b* maintained within these limita during thia test.

5. Not U*ed.
6. Simulating a lo** of offaite power in conjunction with an ESF actuation te*t *ignal, and:

_A;)_ Verifying de-energization of the vital bu* and load shedding

_,.,.,.,_ - from the vital bu*.

b) Verifying the diesel starta on the auto-*tart *ignal*,

energ.iz** the vital bu* with permanently connected loads within 13 **cond*, energizes the auto-connected emergency (accident) load* through the load *equencer and operate* for greater than or equal to 5 minute* while it* generator i* loaded with the emergency load*. Tho steady state voltage and frequency of the vital bu* *hall be maintained at ~ 3950 and S 4580 volts and 60 +/- 1.2 Hz during this test.

~

9404250253 940412 . 1 PDR ADOCK 05000272 I P PDR SALEM - UNIT 1 3/4 8-4 Amendment No. 148

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

2****s~====z~~====================================================

c) Verifying that all nonessential automatic diesel generator trip* (i.e., other than engine overspeed, lube oil pressure low, 4 KV bus differential and generator differential), are automatically bypasaed upon loss of voltage on the vital bus concurrent with a safety injection actuation signal.

7. Verifying the diesel generator operates for at least 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s*.

During the first 2 hour* of this teat, the diesel generator shall be loaded to 2760-2860 kw.** During the remaining 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> of this teat, the diesel generator shall be loaded to 2500-2600 kw*** The steady state voltage and frequency shall be maintained at ~ 3950 and

~ 4580 volts and 60 +/- 1.2 Hz during this te*t. Withia 5 miautea after ~Gm~letiRq thi* 24 haur test, perfeJ:'lll Sur?eillaaee Re~ireme~~

4.a.1.1.2.a.6.e."'

8. Verifying that the auto-connected load* to each diesel generator do not exceed the two hour rating of 2860 kw.
9. Verifying that with the diesel generator operating in a teat mode (connected to its bus), a simul~ted aafety injection signal overrides the test mode by (1) returning the diesel generator to standby operation and (2) automatically energizing the emergency load* with offsite power.
e. At least once per ten years or after any modifications which could affect diesel generator interdependence by starting all diesel generators simultaneously*, during shutdown, and verifying that all diesel generator* accelerate to at least 900 rpm in le** than or equal to 10 seconds.

4.8.1.l.3 The diesel fuel oil storage and transfer system shall be demonstrated OPERABLE:

a. At leaat once per 31 days by:
1. Verifying the level in each of the above required 20,000 gallon fuel *torage tanks.
2. Verifying that both fuel transfer pump* can be started and transfer fuel from the 20,000 gallon storage tanks to the day tank*.
b. At leaat once per 92 days by verifying that a sample of diesel fuel from each of the above required 20,000 gallon fuel storage tanks is within the acceptable limit* specified in Table 1 of ASTM 0975-77 when checked for viscosity, water and sediment.

SALEM - UNIT 1 3/4 8-5 Amendment No. ~.: 3

Insert 1

f. At least once per 18 months, the following test shall be performed within 5 minutes of diesel shutdown after the diesel has operated for at least one hour at 2500-2600 kw**:

Verifying the diesel starts and accelerates to 900 rpm in less than or equal to 10 seconds*. The generator voltage and frequency shall be ~ 3950 volts and ~ 4580 volts and 60 +/- 1.2 Hz within 13 seconds after the start signal.

ELECTRICAL POWER SYSTEMS SURVBILLANCB REQUIREMENTS (Continued) 4.8.1.1.4 Report1 - All diesel generator failures, valid or non-valid, shall be reported to the Comni*nion in a Special Report pursuant to Specification 6.9.2 within 30 day*. Report* of di***l generator failures ahall include the information recommended in Regulatory Poaition c.3.b of Regulatory Guide l.108, Revision 1, Augu*t 1977. If the number of failure* in the last 100 valid te*t* (on a P9r nuclear unit ba*i*) i* greater than or equal to 7, the report *hall be *upplemented to include the additional information recommended in Regulatory Po*ition C.3.b of Regulatory Guide 1.108, Revi*ion 1, August 1977.

  • Surveillance t**ting shall be conducted in accordance with the manufacturer's recommendation* regarding engine prelube, warm-up and loading (unl*** loading time* are *pecifiad in the individual Surveillance Requirement*)*
    • Thi~-band i* meant a* guidance to preclude routine exceedances of th*

di-..l 9enerator manufacturer'* design rating*. Loada in excess ot th~*

band for *pecial te*ting or momentary variation* due to changing bu*

loada aball not invalidate the ta*t.

      • FailYr* ef a ~**c per iYrveillan~* R*Cf'lirmnenc 4.S.1.1.3.d.6.b, follel'lillAq pepfe...anee ef SQr1.~eillanee Re'f'l!ireme!K 4,s,1.1.2.&.7, deee ne~ ~*Ef"kr*

that the 24 heQr tent ef 4,a,1.1,2.d.7 be repea~ed. A* an aleernatt***

the EgG shall be loaded to 2500-2600 kw fgr gna hoYr, or YACil sper*~*ni

~mperat~re~ have staeilieed, prier te repeatinq SQrveillanse Reqwlr .. *n~

4,s.1.1.2.d.&.e.

SALEM = UNIT 1 3/4 8-Sa Amendment No. ~J8

f\Jc?J d'a11s9 +o ftt 1'5 f q ~ e -

ELEC'.rRIC1\L POWER SYSTEMS

-;:-11 -F-o 0 YI I y.

SURVEILLANCE REQUIREMENTS (Continued)

*-**=========~================~=~==~======~=============

d. At l***t onee per lS months during shutdown by:
1. Subjecting the diesel to an inspection in accordance with procedures prepared in conjunction with its manufacturer'* recommendations for this cl&** of standby uervice,
2. Verifying that, on rejection of a load of greater than or equal to 820 kw, the voltage and frequency are re*tored to ~ 3950 and s 4580 volt* and 60 +/- 1.2 Hz within 4 seconds.
3. Simulating a lo** of offsite power by it**lf, and:

a) Verifying de-energiz&tion of the vital bu* and load shedding from the vital bus.

b) Verifying the diesel starts on the auto-*tart uignal*,

energize* the vital bu* with permanently connected loads within 13 ueconde, energizes th* auto-connected *hutdown loads through the load sequencer and operate* for greater than or equal to 5 minutes while its generator i* loaded with the shutdown load*. The steady *tat* voltage and frequency of the vital bus shall be maintained at ~ 3950 and s 4580 volt* and 60 + 1.2 Hz during thiu te*t.

4. Verifying that on an ESF actuation test signal without loss of offsite power the diesel generator start* on the auto-start signal and operate* on standby for greater than or equal to 5 minutes*.

The generator voltage and frequency uhall be ~ 3950 and S 4580 volts and 60 +/- 1.2 Hz within 13 seconds after the auto-start signal and shall be maintained within these limit* during this test.

5. Deleted
6. Simulating a los* of offuite power in conjunction with an ESF actuation t**t signal, and a) Verifying de-energization of the vital bus and load shedding from the vital bus.

b) Verifying the diesel starts on the auto-utart signal*,

energize* the vital bus with permanently connected loads within 13 *econds, energizeu the auto-connected emergency (accident) load* through the load sequencer and operates for greater than or equal to 5 minute* while it* generator ie loaded with the emergency loads. The steady state voltage and frequency of the vital bu* shall be maintained at ~ 3950 and S 4580 volts and 60 +/- 1.2 Hz during this test.

SALEM - UNIT 2 3/4 8-4 Amendment No. 126

~LECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) c) Verifying that all nonessential automatic diesel generator trip* (i.e., other than engine overspeed, lube oil pressure low, 4 KV Bus differential and generator differential) are automatically bypassed upon lo** of voltage on the vital bus concurrent with a aafety injection actuation signal.

7. Verifying the diesel generator operate* for at least 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s*.

During the first 2 hour* of thi* teat, the diesel generator shall be loaded to 2760-2860 kw*** During the remaining 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> of this test, the dieael generator *hall be loaded to 2500-2600 kw*** The steady *tat* voltage and frequency shall be maintained at ~ 3950 and S 4580 volt* and 60 +/- 1.2 Hz during this test. Within 5 minutes after oomplecinq chi* ~4-hour t**c, perform Speoifioacion 4.8.1.1.2.d.6.b.***

8. Verifying that the auto-connected loads to each diesel generator do not exceed the two hour rating of 2860 kw.
9. *Verifying that with tho die*el generator operating in a test mode (connected to its bus), a *imulated safety injection signal override* the test mode by (1) returning the diesel generator to standby operation and (2) automatically energizing the emergency loads with offsite power.
e. At least once per 10 year* or after any modifications which could affect di***l generator interdependence by starting all diesel generators aimultaneou*ly*, during shutdown, and verifying that all diesel generator* accelerate to at lea*t 900 rpm in l*** than or equal to 10 second&.

4.8.1.1.3 The diesel fuel oil storage and transfer system shall be demon*trated OPERABLE:

a. At l*a*t once per 31 days by:
1. Verifying the level in each of the above required 20,000 gallon fuel *torage tanks.
2. Verifying that both fuel tranafer pump* can be atarted and tran*f*r fuel from th* 20,000 gallon storage tanks to the day tank*.
b. At lea*t once per 92 days by verifying that a sample of diesel fuel from each of the above required 20,000 gallon fuel storage tanks i* within the acceptable limits specified in Table 1 of ASTM 0975-77 when checked for viscosity, water and sediment.

SALEM - UNIT 2 3/4 8-5 Amendment No. 126

Insert 1

f. At least once per 18 months, the following test shall be performed within 5 minutes of diesel shutdown after the diesel has operated for at least one hour at 2500-2600 kw**:

Verifying the diesel starts and accelerates to 900 rpm in less than or equal to 10 seconds*. The generator voltage and frequency shall be L 3950 volts and 5 4580 volts and 60 +/- 1.2 Hz within 13 seconds after the start signal.

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 4.8.1.1.4 Report* - All diesel generator failures, valid or non-valid, shall be reported to the Commission in a Special Report pursuant to Specification 6.9.2 within 30 day1. Reports of diesel generator failures shall include the information recommended in Regulatory Position C.3.b of Regulatory Guide 1.108, Revision 1, Augu1t 1977. If the number of failures in the last 100 valid te1t* (on a per nuclear unit ba*i*) i* greater than or equal to 7, the report shall be supplemented to include the additional information reconunended in Regulatory Po*ition C.3.b of Regulatory Guide 1.108, Revis~on 1, Augu*t 1977.

  • Surveillance testing shall be conducted in accordance with the manufacturer'* recommendations regarding engine prelube, warm-up and loading (unle** loading time* are *pacified in the individual Surveillance Requirements).
    • Thia band i* meant aa guidance to preclude routine exceedances of the die. .1 generator manufacturer'* design ratings. Loada in excess of this band for *pecial testing or momentary variation& due to changing bus load* *hall not invalidate the te*t.
      • Failure of a tent per Surveillanee Raqyirement 4.8.1.1.2.d.&.b, fellei1iRg perfermaaee of Surreillanee Requirement 4.8.1.1.2.d.?, does not require ehae the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> tese of 4.8.1.1.2.d.7 ee repeated. A* an alternative, the EDG shall be leaded to 2§00 2500 kw fer one hour, or until operatiRg temperatYre1 have atabilimed, prier to repeatinq SYrveillanse Re~iremeRt 4.8.1.1.2.d.6.b.

SALEM - UNIT 2 3/4 8-6 Amendment No. 126

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