ML021690580

Tech Spec Pages for Amendment #193 for Alternate Battery Float Charge

ML021690580
Person / Time
Site:	Dresden
Issue date:	06/06/2002
From:	NRC/NRR/DLPM
To:
References
TAC MB2880
Download: ML021690580 (1)

Text

DC Sources-Operating 3.8.4 S[IRVJFI LLANCE REOUIREMENTS SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY 1

SR 3.8.4.1 Verify battery terminal voltage on float 7 days charge is:

a. Ž 260.4 VDC for each 250 VDC subsystem;

b. Ž 125.9 VDC for each 125 VDC subsystem; and

c. -----------------NOTE ----------------

Only required to be met when the Unit 2 alternate battery is required to be OPERABLE.

Ž 134.5 VDC for Unit 2 alternate battery.

SR 3.8.4.2 Verify no visible corrosion at battery 92 days terminals and connectors.

OR Verify battery connection resistance is S1.5E-4 ohm for inter-cell connections and

• 1.5E-4 ohm for terminal connections.

SR 3.8.4.3 Verify each required 250 V battery charger 18 months supplies Ž 200 amps at Ž 260 VDC for

Ž 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for the 250 VDC subsystems.

SR 3.8.4.4 Verify battery cells, cell plates, and 24 months racks show no visual indication of physical damage or abnormal deterioration that could degrade battery performance.

(continued)

Dresden 2 and 3 3.8.4-5 Amendment No. 193