05000306/LER-1980-020, Forwards LER 80-020/01T-0

Forwards LER 80-020/01T-0

ML19330B461
Person / Time
Site:	Prairie Island
Issue date:	07/29/1980
From:	Mayer L NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19330B462	List: 05000306/LER-1980-020, Forwards LER 80-020/01T-0 05000306/LER-1980-020-01, /01T-0:on 800715,during Severe Electrical Storm Several Breakers Operated.Main Generator Was Separated from Grid & Reactor & Reactor Coolant Pumps Tripped.Caused by Electrical Storm.Next Day Conditions Returned to Normal
References
NUDOCS 8008040049
Download: ML19330B461 (1)

LER-1980-020, Forwards LER 80-020/01T-0

Event date:
Report date:
3061980020R00 - NRC Website

text

NSED NORTHERN STATES' POWER COMPANY l

M IN N E A PO LI S. M I N N E S OTA 55401 i

l July 29, 1980 Mr J G Keppler Office of Inspection & Enforcement U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear Mr Keppler:

PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket No. 50-306 License No. DPR-60 Loss of All Offsite Power Due to Electrical Storm The Licensee Event Report for this occurrence is reproduced on the back of this letter. Enclosed are three copies.

This event is reported in compliance with Technical Specification 6.7.B.1(b) since the limiting conditions for operation relating to availability of of fsite power were not satisfied for a short period of time.

Yours very truly, b

bw pea L 0 Mayer, PE Manager of Nuclear Support Services LOM/DMM/jh cc:

Director, IE, USNRC (40)

Director, MIPC, USNRC (3) l MPCA l

Attn: J W Ferman l

r

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800s o g,oc) ay 7