ML19241B433
| ML19241B433 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 07/12/1979 |
| From: | Groce R YANKEE ATOMIC ELECTRIC CO. |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| TASK-08-03.B, TASK-8-3.B, TASK-RR NUDOCS 7907170145 | |
| Download: ML19241B433 (2) | |
Text
N 4
Telephano 6l7 366-99qq TwX 7ao.390.o739 YANKEE A'OMIC ELECTRIC COMPANY s321 WYR 79-82
_Q\\
)
20 Turnpiko Road Wostborough, Massachusetts 01581 H
s
,MTN KEE /
~
July 12, 1979 United States Nuclear Regulatory Cocnission Washington, D. C.
20555 Attention: Office of Nuclear Reactor Regulation
References:
(a) License No. DPR-3 (Do Tket 50-29).
(b) USNRC Letter to YAEC, ed June 18, 1979.
Dear Sir:
Subject:
SEP Topic VIII - 3.B, D. C. Power System Eus Voltage Monitoring and Annunciation In your letter, Reference (b), you requested that we provide a listing of all alarms and voltage monitoring devices available to provide operability status indication for the Class IE batteries, associated chargers, and direct current buses. The information requested is as follows:
Status Monitoring Device Location Eattery Charger M-G Set No. 1 Ar=eter (0-200A Local Battery Charger M-G Set No. 1 Indicating Lights Local Battery Charger M-G Set No. 1 Volt =cter (0-150V)
Local Battery Charger M-G Set No. 2 A eter (0--200A)
Local Eattery Charger M-G Set No. 2 Indicating Lights Local Battery Charger M-G Set No. 2 Voltneter (0-150V)
Local Battery Charger M-C Sets No. 1 and No. 2 Generator Fuse Failure Alarm Control Room Battery Charger M-G Sets No. 1 and No. 2 Auto Trip Alarm Control Room Eattery Charger No. 3 A=eter (0-150A)
Local Battery Charger No. 3 Voltreter (0-200V)
Local Battcry Charger No. 3 AC Failure Alarm Control Room 125 V DC EUS No. 1 Cround Detection Voltreters Control Room 125 V DC EUS No. 2 Ground Detection Voltret'ers Control Room 125 V DC EUS No. 3 Ground Detect'on Voltmeters Control Room
)
,, [,
7907170 / 9 6~ N V
a h
- 1 United States :;uclear Regulatory Cor nission July 12, 1979 Attention: Office of 1;uclear Reactor Regulation Page Two 125 V DC BUSES !!o. 1, 2, & 3 Low Voltage Alarm (115 V DC)
Control Room 125 V DC EUSES !!o. 1, 2, & 3 Critical Voltage Alarm (105 V DC)
Control Room We trust this infornation satisfactorily addresses the subject topic.
Should you require additional infornation, please contact Mr. David Hansen of this office.
Very truly yours, YANKEE ATOMIC ELECTRIC COMPA'!Y f, h' e
R. H. Groce Licensing Engineer DAH/scw 4
,j'
~