ML20091Q337

Proposed Tech Specs 3/4.8.2, DC Sources - Operating

ML20091Q337
Person / Time
Site:	Waterford
Issue date:	01/30/1992
From:	ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20091Q334	List: ML20091Q330 ML20091Q337
References
NUDOCS 9202040327
Download: ML20091Q337 (5)

Text

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ELECTRICAL POWER SYSTEMS S_URVEILLANCE REQUIREMENTS (Continued)

b. At least once per 92 days and within 7 days after a battery discharge with battery terminal voltage below 110 volts, or battery overcharge with battery terminal voltage above 150 volts, by verifying that:

1. The parameters in Table 4.8-2 meet the Category B limits,

2. There is no visible corrosion St either terminals or connectors, or the connection resistance of these items is less than 150 x 10 6 ohms, and

3. The average electrolyte temperature of a random cample of at least ten of the connected cells is above 60*F.

c. At least once per 18 months by verifying that:

1. The cells, cell plates, and battery racks show no visual indication of physical damage or abnormal deterioration,

2. The cell-to-cell and tcrminal connections are clean, tight, and coated with anticorrosion material, 3.

The resistance of each cell-to-cell and terminal connection is less than or equal to 100 x 10 6 ohms, and

4. The battery charger will supply at least 150 amperes ror 3Al-5, 3A2-5, 3B1-5 and 3B2-S and 200 amperes for 3AB1-5 and 3AB2-5 at greater than or equal to 132 volts for at least 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />,

d. At least once per 18 months, during shutdown, by verifying that the battery capacity is adequate to supply and maintain in OPERABLE status all of the actual or simulated emergency loads for the design duty cycle when the battery is subjected to a battery service test,

e. At least once per 60 months, during shutdown, by verifying that the battery capacity is at least 80% of the manufacturer's rating when subjected to a performance discharge test. This performance discharge test may be performed in lieu of the battery service test required by Surveillance Requirement 4.8.2.1d.

f.

Annual pe~ r formance discharge tests of battery capacity shall be given to any battery that shows signs of degradation or has reached 85% of the service life expected for the application. Degradation is indicated when the battery capacity drops more than 10% of rated capacity from its average on previous performance tests, or is below 907 of the manufacturer's rating.

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WATERFORD - UNIT 3 3/4 8-10 '

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TABLE 4.8-2 BATTERY SURVEILLANCE REQUIREMENTS CATEGORY A II) CATEGORY B(2)

Parameter . Limits for each Limits for each Allowable ( )

designated pilot connected cell value for each cell connected cell Electrolyte > Minimum level > Minimum level Above top of Level indication mark, indication mark, plates, and < %" above and < \" above and not maximum level maximum level overflowing

, indication mark . indication mark i 1 Float Voltage > 2.13 volts > 2.13 volts (c) > 2.07 volts

. Specifi- l Not more than Gravity *) '

O.020 below the

average of all

> 1.190 connected cells

> 1.195(b)

_ Average of all Average of all connected cells connectg) cells

> 1.200 > 1.190 ,

(1) For any Category A parameter (s) outside the-limit (s) shown, the battery may be considered OPERABLE provided that within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> all the Category B measurements are taken and found to be within their allowable values, and provided all . Category A and B parameter (s) are restored to within limits with1n the next 6 days.

(2) For any Category B parameter (s) outside the limit (s) shown, the battery may be considered OPERABLE provided that the Category B parameters are within their allowable values and provided the Category 8 parameter (s) are restored to within limits within 7 days.

(3) Any Category B parameter not within its allowable value, declare the battery inoperable.

(a) Corrected for electrolyte temperature and level.

(b) Or battery charging current is less than 2 amps when on charge.

(c) Corrected for average electrolyte temperature.

WATERFORD - UNIT 3 3/4 8-11

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ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

b. At least once per 92 days and within 7 days after a battery discharge with battery terminal voltage below 110-volts, or battery overcharge with battery tenninal voltage above 150 volts, by verifying that:

1. The parameters in Table 4.8-2 meet the Category B limits,

2. There is no visible corrosion at either terminals or connectors, or the connection resistance of these items is less than 150 x 10 8 ohms, and

3. The averaga electrolyte temperature of a random sample of at least ten of the connected cells is abovegT 70*F

c. At least once per 18 months by verifying that:

1. The cells, cell plates, and battery racks show no visual indication of physical damage or abnormal deterioration,

2. fhe cell-to-cell and terminal connections are clean, tight, and coated with anticorrosion material, 3.

The resistance of each cell-to-cell and terminal connection is less than or equal to 150 x 10 8 ohms, and

4. The battery charger will supply at least 150 amperes for 3Al-5, 3A2-S, 381-S and 382-5 and 200 amperes for 3AB1-S and JAB 2 at greater than or equal to 132 volts for at least 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />,

d. At least once per 18 months, during shutdown, by verifying that the battery capacity is adequate to supply and maintain in OPERABLE status all of the actual or simulated emergency loads for the design duty cycle when the battery is subjecteu to a battery service test.

e. At least once per 60 months, during shutdown, by verifying that the battery capacity is at least 80% of the manufacturcr's rating when subjected to a performance discharge test. This performance discharge test may be performed in lieu of the battery service tast required by Surveillance Requirement 4.8.2.1d.

f.

Annual performance discharge tests of battery capacity shall be given to any battery that shows signs of degradation or has reached 85% of the service life expected for the application. Degradation is indicated when the battery capacity drops more than 10% nf rated capacity from its average on previous performance tests, or is below 90% of the manufacturer's rating.

WATERFORO - UNIT 3 3/4 8-10 l

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TABLE 4.8-2 BATTERY SURVEILLANCE REQUIREMENTS CATEGORY A 51) CATEGORY B I)

Parametar Limits for each Limits for each Allowaole(3) designated pilot connected cell value for each cell connected cell j Electrolyte > Minimum level > Minimum level Above top of Level indication mark, indication mark, plates, 3

and < %" ebove and < \" above and not maximum evel maximum level overflowing

, indication mark indication mark Float Voltage 1 2.13 volts 1 2.13 vults(c) > 2.07 volts Specifig) l

} Not mc're than Gravity below the l.19 6 average of all

>M  !

connected cells (b) 3 Average of all Average of all co'inected cells connectgcells I" > 1. 200 6 1.205 > 4--19By- )ggg _ f.

(1) For any Category A parameter (s) outside the limit (s) shown, the battery may ba considered OPERABLE provided that within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> all the Category B measurements are taker and found to be within their allowable values, and provided all Category A and B paramei.er(s) are restored to within limits within the next E days.

(2) For any Category B pecameter(s) outside the limit (s) shown, the ba*.tery may be considered OPERABLE provided that the Category 8 parameters are with", their allowable values and provided the Category B parameter (s) are :Jstored to within limits within 7 days.

(3) Any Category B parameter net within its allowable value, declare the battery inoperable.

(a) Corrected-for clectrolyte temperature and level.

(b) Or battery chrging current is less than 2 amps when on charge.

(c) Corrected for average electrolyte temperature.

I WATERFORD - UNIT 3 3/4 P-11