ML20084U683

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Telecopy Ro:On 770908,turbine Load Limiter Lower Switch Stuck Closed,Causing Turbine to Run Back to 43% Power.Caused by Control Rods Inserting Below pre-power & Power Dependent Insertion Limits to Maintain Primary Coolant Temp
ML20084U683
Person / Time
Site: Palisades Entergy icon.png
Issue date: 09/09/1977
From: Lewis J, Meincke J
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Baker K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084U589 List:
References
NUDOCS 8306290177
Download: ML20084U683 (1)


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ON 9/6/77 AT 1106 HOURS THE TURBINE LOAD LIMITER LOWER SWITCH STUCK O

CLOSED C AUSING THE TURBINE TO R APIDLY RUN BACK TO APPROXIM ATELY O

43 PERCENT POWER.

THE REACIOR REGULATING SYSTEM IN AUTO INSERTED O

THE CONTROL RODS BELOW THE PRE-POWER AND THE POWER DEPENDENT IN-O es p SERTION LIMITS T0' M AINTAIN THE PRIM ARY COOLANT TEMPER ATURE.WIggpN13'jg77

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