ML20010C310

Forwards LER 81-009/03L-0

Date released: 01/24/2020	Download: ML20010C310

LER 81-009/03L-0:on 810708,while Attempting Start of Cooling Tower Pump 122,undervoltage Relay Operation Opened Breaker CT 11-1,closed Bus Tie CTBT-112 & Caused Trip of Bus CT-12. Caused by Improperly Set Undervoltage Relay Setpoint

ML20010C314
Person / Time
Site:	Prairie Island
Issue date:	08/07/1981
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010C314 (3)

Forwards LER 81-009/03L-0

ML20010C309
Person / Time
Site:	Prairie Island
Issue date:	08/07/1981
From:	Mayer L NORTHERN STATES POWER CO.
To:	KEPPLER J G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML20010C309 (1)