ML16138A792
| ML16138A792 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 08/21/1995 |
| From: | NRC (Affiliation Not Assigned) |
| To: | |
| Shared Package | |
| ML16138A793 | List: |
| References | |
| NUDOCS 9508250124 | |
| Download: ML16138A792 (2) | |
Text
transformer (i.e., CT1, CT2 or CT3) and to the 4160 volt standby buses shall be made to verify proper operation.
4.6.5 Quarterly, the External Grid Trouble Protection System logic shall be tested to demonstrate its ability to provide an isolated power path between Keowee and Oconee.
4.6.6 Annually and prior to planned extended Keowee outages, it shall be demonstrated that a Lee Station combustion turbine can be started and connected to the 100 kV line. It shall be demonstrated that the 100 Kv line can be separated from the rest of the system and supply power to the 4160 volt main feeder buses.
4.6.7 At least once every 18 months, it shall be demonstrated that a Lee station combustion turbine can be started and connected to the isolated 100 kV line and carry the equivalent of the maximum safeguards load of one Oconee unit (4.8 MVA) within one hour.
4.6.8
- Annually, it shall be demonstrated that a Lee station combustion turbine can be started and carry the equivalent of the maximum safeguards load of one Oconee unit plus the safe shutdown loads of two Oconee units on the system grid.
4.6.9 Batteries in the Instrumentation and Control, Keowee, and Switching Station shall have the following periodic inspections performed to assdre maximum battery life. Any battery or cell not in compliance with these periodic inspection requirements shall be corrected to meet the requirements within 90 days or the battery shall be declared inoperable.
- a. Weekly verify that:
(1)
The electrolyte level of each pilot cell is in between the minimum and maximum level indication marks.
(2) The pilot cell specific gravity, corrected to 770F and full electrolyte level, is a1.200.
(3) The pilot cell float voltage is 2 2.12 VDC.
(4) The overall battery float voltage is 2125 VDC.
- b. Quarterly verify that:
(1) The specific gravity of each cell corrected-to 770 F and full electrolyte level, is a1.200 and is not less than 0.010 below the average of all cells measured.
(2)
The voltage of each cell under float charge is Oconee 1, 2, and 3 4.6-2 Amendment No. 210 (Unit 1)
Amendment No. 210 (Unit 2) 9508250124 95821_
Amendment No. 207 (Unit 3)
PDR ADOCK 05000269 P
The interval specified for testing of transfer to emergency power sources is based on maintaining maximum availability of redundant power sources.
Starting a Lee Station gas turbine, separation of the 100 kV line from the remainder of the system, and charging of the 4160 volt main feeder buses are specified to assure the continuity and operability of this equipment.
The one hour time limit is considered the absolute maximum time limit that would be required to accomplish this.
REFERENCE FSAR, Section 8 Amendment No. 210 (Unit 1)
Oconee 1, 2, and 3 4.6-4 Amendment No. 210 (Unit 2)
Amendment No. 207 (Unit 3)