ML19260C668
| ML19260C668 | |
| Person / Time | |
|---|---|
| Site: | FitzPatrick  |
| Issue date: | 12/13/1979 |
| From: | Ippolito T Office of Nuclear Reactor Regulation |
| To: | Berry G POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK |
| References | |
| NUDOCS 8001080273 | |
| Download: ML19260C668 (3) | |
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DECEMBER I 31979 Docket No. 50-333 Mr. George T. Berry General Manager and Chief Engineer Power Authority of the State of New York 10 Columbus Circle New York, New York 10019
Dear Mr. Berry:
We are currently reviewing the adequacy of the offsite power systems of nuclear power plants and in particular, the loss of offsite pwer avents at your facility. One aspect of this review concerns the history of experienced total and partial power outages and attendent degraded voltage or frequency conditions of the grid.
In our review of this matter we have drawn upon the infornation provided to us via Licensee Event Reports and followup letters which have been sent to us. Our records do not indicate that you have experienced any sss of offsite power events either completely or partially. Please review your experiences and, if any are identified, then report them in answer to this letter and furnish the related infomat~ ion as included in the enclosure.
Please provide your response for the James A. FitzPatrick Nuclear Power Plant to us within 90 days of the receipt of this letter.
Sincerely, Ip o, Chief Operating Reactors Branch #3 Division of Operating Reactors Encicsure:
Request for Additional I nf ormation 1702 265 8001080
Mr. George T. Berry Power. Authority of the State of New York
-2 cc:
Mr. Vito J. Cassan Assistant General Counsel Power Authority of the State of New York 10 Columbus Circle New York, New Ycek 10019 Mr. Peter W. Lyon Manager - Nuclear Operations Power Authority of the State of New York 10 Columbus Circle New York, New York 10019 Mr. J. D. Leonard, Jr.
Resident Manager Jac;s A. FitzPatrick Nuciear Power Plant P. O. Box 41 Lycoming, New York 13093 Director, Technical Development Programs State of New York Energy Office Agency Building 2 impire State Plaza Albany, New York 12223 Oswego County Office Building 46 E. Bridge Street Oswego, New York 13126 George M. Wilverding, Licensing Supervisor Power Authority of the State of New York 10 Columbus Circle New York, New York 10019 1702 266
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RE00EST FOR ADDITIONAL INFORMATION A.
For losses of offsite power where less than all offsite pcwer was lost:
. 1.
How many circuits to the offsite network are normally available and how many were lost during the event?
2.
What was the cause of the event?
- 3. ' Why did the other lines not fail when some did fail?
4.
Was any voltage increase or decrease experienced just prior to or during the outage?
If so, please give details, voltages reached, affects, etc.
5.
Was any frequency decay experienced just prior to or during the outage?
If so, please give details, lowest frequency reached, decay rate, affects on equipment operation, etc.
6.
How long was power unavailable from the circuit?
7.
Date of Event.
B.
For losses of all offsite power:
1.
How long was the power off? How long for partial recovery? Please give details.
2.
If turbine trip occurred, how soon after di.d loss of offsite power occur?
3.
If power was recovered promptly (10 minutes or less), was it due to automatic or manual actions?
4.
Was any voltage increase or decrease experienced just prior to or during the outage?
If so, please give details, voltages reached, affects, etc.
5.
k as a y frequency decay experienced just prior to or during the outage?
so, please give details, lowest frequency reached, decay rate, affects
'~
a equipment operation, etc.
6.,
Jate of Event.
C.
Were there any other loss of offsite power events other than we have listed?
If so, please give details. of each event.
1702 267