ML19246A775: Difference between revisions

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| number = ML19246A778
| number = ML19246A778
| issue date = 07/02/1979
| issue date = 07/02/1979
| title = Forwards LERs 78-090/03X-1,79-030/03X-1 & 79-040/03X-1
| title = LER 79-040/03X-1 on 790326:discovered Nonconservative Output of Upper/Lower Flux Signal Summing Amplifier in Overpower Delta T Protection Circuitry.Caused by Instrument Drift.Summing Amplifier Card Replaced & Delta T Recalibr
| author name = Cartwright W
| author name = Cartwright W
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
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| number = ML19246A777
| number = ML19246A777
| issue date = 07/02/1979
| issue date = 07/02/1979
| title = Forwards LERs 78-090/03X-1,79-030/03X-1 & 79-040/03X-1
| title = LER 79-030/03X-1 on 790308:nonconservative Gain Setting on delta-flux Signal Feeding Overpower Delta T Protection Circuitry Observed.Caused by Improper Setting of delta-flux Gain.Signal Recalibr
| author name = Cartwright W
| author name = Cartwright W
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
Line 36: Line 36:
| number = ML19246A776
| number = ML19246A776
| issue date = 07/02/1979
| issue date = 07/02/1979
| title = Forwards LERs 78-090/03X-1,79-030/03X-1 & 79-040/03X-1
| title = LER 78-090/03X-1 on 780919:during Critical Steady State Operation,Axial Flux Difference Deviated More than -5% from Target.Caused by Rapid Load Reduction Necessitated by Clogging Strainer.Pumps Shifted
| author name = Cartwright W
| author name = Cartwright W
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)

Latest revision as of 22:37, 23 January 2020

Forwards LERs 78-090/03X-1,79-030/03X-1 & 79-040/03X-1
Date released: 09/17/2019 Download: ML19246A775


LER 79-040/03X-1 on 790326:discovered Nonconservative Output of Upper/Lower Flux Signal Summing Amplifier in Overpower Delta T Protection Circuitry.Caused by Instrument Drift.Summing Amplifier Card Replaced & Delta T Recalibr
ML19246A778
Person / Time
Site: North Anna Dominion icon.png
Issue date: 07/02/1979
From: Cartwright W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19246A778 (2)
LER 79-030/03X-1 on 790308:nonconservative Gain Setting on delta-flux Signal Feeding Overpower Delta T Protection Circuitry Observed.Caused by Improper Setting of delta-flux Gain.Signal Recalibr
ML19246A777
Person / Time
Site: North Anna Dominion icon.png
Issue date: 07/02/1979
From: Cartwright W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19246A777 (2)
LER 78-090/03X-1 on 780919:during Critical Steady State Operation,Axial Flux Difference Deviated More than -5% from Target.Caused by Rapid Load Reduction Necessitated by Clogging Strainer.Pumps Shifted
ML19246A776
Person / Time
Site: North Anna Dominion icon.png
Issue date: 07/02/1979
From: Cartwright W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19246A776 (3)
Forwards LERs 78-090/03X-1,79-030/03X-1 & 79-040/03X-1
ML19246A774
Person / Time
Site: North Anna Dominion icon.png
Issue date: 07/02/1979
From: Stallings C
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: OREILLY J P
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19246A774 (1)