ML20072U855

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Proposed Tech Specs Re Electrical Power Sys 3/4.8.1, AC Sources Operating
ML20072U855
Person / Time
Site: Waterford Entergy icon.png
Issue date: 09/09/1994
From:
ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20072U826 List:
References
NUDOCS 9409190067
Download: ML20072U855 (5)
v • d • e


Text

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d ATTACHMENT A J

4 NPF-38-158 I

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9409190067 940909 PDR ADOCK 05000382 P

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ELECTRICAL POWER SY1TDis SURVEILLANCE REQUIREMENTS (Continued) 3.

Verify the other properties specified in Table 1 of ASTWD975-1977 and Raulatory Guide 1.137, Revision 1, October 1979, Position 2.a.

when tested in accordance with ASTWO975-1977; analysis shall be completed within 14 days after obtaining the sample but may be performed after the addition of new fue oil.

Failure to meet this requirement shall not affect diesel genera-tor OPERASILITY; however, corrective action shall be initiated within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to return the fuel oil supply to within accept-able limits.

d.

At least once per 18 months during shutdoun by:

1.

Verifying the generator capability to reject a load of greater than or equal to 490 kW (NPSI pump) while maintaining voltage at 4160 + 420,-240 volts and frequency at 80 +4.5, -1.2 Hz.

2.

Verifying the generator capability to reject a load of 4400 kW without tripping. The generator voltage shall not exceed 5023 volts during and following the load rejection.

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3.

Simulating a loss-of-offsite power by itself, and:

a)

Verifying deenergization of the emergency busses and load shedding from the emergency busses.

b)

Verifying the diesel starts en the auto-start signal, energizes the emergency busses with permanently connected loads within 10 seconds after the auto-start signal, energizes the auto-connected shutdown loads through the lead sequencer and operates for greater than er equal to 5 minutes uhile its generator is loaded with the shutdeun leads. After energization, the steady-state voltage and frequency of the emergency busses shall be unintained at 4160 + 420,-240 volts and 60 + 1.2, -0.3 Hz during this test.

4.

Verifying that en an $1A5 actuation test signal (without loss-of-effsite power) the diesel generator starts on the aute-start signal and operates en standby for greater than or 1 to 5 minutes.

The steady-state generator voltage and shall be 4160 + 420,-240 volts and 60 i 1.2 Hz within 10 seconds after the auto-start signal; the generator voltage and frequency shall be maintained within these limits during this test.

WATERFORD - UNIT 3 3/4 8-5 AMDIDMENT NO. t,33,70,88

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ELECTRICAL POWER SYSTEMS 1

j SURVEILLANCE REQUIREMENTS (Continued) l 5.

Simulating a loss-of-offsite power in conjunction with an SIAS j

actuation test signal, and i

i a)

Verifying doenergization of the emergency busses and load j

shedding from the emergency busses.

j b)

Verifying the diesel starts on the auto-start signal, en --

i ergizes the emergency

  • busses with permanently connected ~

j loads within 10 seconds after the auto-start signal, ener-l gizes the auto-connected emergency loads through the load sequencer and operates for greater than or equal to 5 min-a utes. After energization, the steady-state voltage and f

frequency of the emergency busses shall be maintained at 4160 + 420,-240 volts anc. 60 + 1.2, -0.3 Hz during this j

test.

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c)

Verifying that all automatic diesel generator trips, ex-capt engine overspeed and generator differential, are automat' cally bypassed upon loss of voltage on the emer-gency bus concurrent with a safety injection actuation j

signal.

1 6.

Verifying the diesel generator operates for at least 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

During the first 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of this test, the diesel generator l

shall be loaded to an indicated 4700 to 4900 Kw" and during j

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 diesel generator shall j

be loaded to an indicated 4200 to 4400 Kw.*

The generator voltage and fregency shall be 4160 + 420.-240 volts and j

60

  • 1.2 Hz within 10 seconds after the start signal; the i

steady-state generator voltage and frequency shall be 4160 1 420 volts and 60 + 1.2, -0.3 Hz during this test.

Within 5 minutes after completing this 24-hour test, perform Surveil-lance Requirement 4.8.1.1.2.d.3b.**

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7.

Verifying that the auto-connected loads to each diesel generator do not exceed the 2000-hour rating of 4400 kW.

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"This band is meant as guidance to avoid routine overloading of the engine.

j Loads in excess of this band for special testing under direct monitoring of the manufacturer or momentary variation due to changing bus loads shall not invalidate the test.

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it is not necessary to repeat the preceding 24-hour test.

Instead, the i

diesel generator may be operated at an indicated 4200-4400 kw" for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> or until internal operating temperatures have stabilized.

WATERFORD - UNIT 3 3/4 8-6 AMEleMENT NO.(,3),74

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1 ATTACHMENT B NPF-38-158 1

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ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 3.

Verify the other properties specified in Table 1 of ASTM-0975-1977-and Regulatory Guide 1.137, Revision 1. October 1979, Position 2.a.. when tested in accordance with ASTH-D975-1977
. analysis shall be completed within 14 days after obtaining the sample but may be performed after the addition of new fuel oil. Failure to meet this requirement shall not.

affect diesel generator 0PERABILITY: however, corrective action shall be initiated within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to return the. fuel oil supply to within-acceptable limits.

d.

At least once per 18 months curing shutdown by:

l'.

Verifying the generator capability to' reject a load of greater than or equal to'498 kW (HPSI pump) while. maintaining voltage at.4160 + 420.

.-240 volts and frequency at 60 +4.5. -1.2 Hz.

2.

Verifying the generator capability to reject a load of 4400 kw without tripping. The generator voltage shall not exceed 5023 volts during and following the load rejection.

3.

Simulating a loss-of-offsite power by itself, and:

a)

Verifying deenergization of the emergency. busses r.d loadshedding from the emergency busses.# SEE NOTE l

b)

Verifying the diesel. starts on the~ auto-start signal, energizes the emergency busses with permanently connected-1oads within.10 seconds after the auto-start signal. energizes the auto-connected shutdown loads through the load sequencer and operates for greater than or equal to 5 minutes while its generator is loaded with the shutdown loads. After energization.' the steady-state _

l voltage and frequency of the emergency busses shall be maintained at 4160 + 420.- 240 and 60 + 1.2. -0.3 Hz during this test.# SEE NOTE 4.

Verifying that on an SIAS actuation test signal (without. loss of-offsite 3

power) the diesel generator starts on the auto-start signal and operates i

on standby for greater than or equal to 5 minutes The steady-state generator voltage and frequency shall be 4160'+ 420.-- 240 volts and 60 1.2 Hz within 10 seconds after the auto-start signal; the generator j

voltage and frequency shall be maintained within these limits during_

j this test.

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l WATERFORD - UNIT 3 3/4 8-5 AMENDMENT NO. 88 j

D ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 5.

Simulating a loss-of-offsite power in conjunction with an SIAS actuation test signal, and a)

Verifying deenergization of the emergency busses and load shedding from the emergency busses.# SEE NOTE l

b)

Verifying the diesel starts on-the auto-start signal, energizes the emergency busses with permanently connected loads within 10 seconds after the auto-start signal, energizes the auto-connected emergency loads through the load sequencer and operates for greater than or equal to 5 minutes. After energ12ation, the steady-state voltage and frequency of the emergency busses shall be maintained at 4160 + 420, - 240 volts and 60 + 1.2, -0.3 Hz during this test. # SEE NOTE l

c)

Verifying that all automatic diesel generator trips, except engine overspeed and generator differential, are automatically bypassed upon loss of voltage on the emergency bus concurrent with a safety injection actuation signal.

6.

Verifying the diesel generator operates for at least 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. During the first 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of this test, the diesel generator..shall be loaded to an indicated 4700 to 4900 Kw* and 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 diesel generator shall be loaded to an indicated 4700 to 4900 Kw.*

The generator voltage and frequency shall be 4160 420 volts and 60 1.2 Hz within 10 seconds after the start signal; the steady-state generator voltage and frequency shall be 4160 + 420, - 240 volts and 60 + 1.2, -0.3 Hz during this test. Within 5 minutes after completing this 24-hour test, perform Surveillance Requirement 4.8.1.1.2.d.3b.**

7.

Verifying that the auto-connected loads to each diesel generator do not exceed the 2000-hour rating of 4400 kW.

  1. NOTE:

UNTIL STARTUP FOLLOWING REFUEL 7 In lieu of the prescribed integrated tests (i.e., actual demonstration of shedding, connection, and loading of loads) testing and analysis that shows the capability of the diesel generator to perform these functions will be considered acceptable for train AB A.C. ESF busses. This provision will apply to the associated train AB ESF loads with the exception of Motor Control Center 3AB311-S that has been verified acceptable via analysis. The testing will include any series of secuential. overlapping, or total steps.50 that the entire connection and loading sequence is verified.

  • This band is meant as guidance to avoid routine overloading of the engine. Loads in excess of this band for special testing under direct monitoring of the manufacturer or momentary variation due to changing bus loads shall not invalidate the test.

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    • 1f Surveillance Requirement 4.8.1.1.2d.3b is not satisfactorily completed, it is not necessary to repeat the' preceding 24-hour test. Instead, the diesel generator may be operated at an indicated 4200-4400 kw* for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> or until internal operating temperatures I

have stabilized.

WATERFORD - UNIT 3 3/4 8-6 AMENDMENT NO. 74

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