ML20084M980

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Telecopy AO 3-72-1 & 3-72-2:on 720721,during Simulated Conditions,Bus 3A 4kv Did Not Strip Preventing Diesel Generator a from Closing Onto Bus & Bus 4A Kv Reduced to Low Voltage Condition W/Subsequent Stripping of Bus
ML20084M980
Person / Time
Site: Turkey Point 
Issue date: 07/22/1972
From: Schmidt A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20084M950 List:
References
AO-3-72-1, AO-3-72-2, NUDOCS 8306020421
Download: ML20084M980 (2)


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z 1014A EDT JUL 22 72 AB035 AACO20(0751)(1-0025380204003)PD 07/22/72 0749 ICS IPMM2F A MI A 2C20 053 A NL PDC TDMZ HOMESTEAD Flo 21 PMS MR"0 TOR REGION 2 DRO, US ATOMIC ENERGY COMMISSION, DLR 230 PT ACHTREE ST NORTHWEST ATLA FLORIDA POWER AND LIGHT COMPANY REPORTS ABNORMAL OCCURRENCES 6

7 2-1 AND 72-2 72-1 DURING A SIMULATED S AFETY INJECTION CONDITION FOLLOVED BY A SIMULATED LOSS OF OFFSITE POWER THE 3A 4KV BUS DID NOT STRIP PREVENTING THE A DIESEL GENERATOR FROM CLOSING ONTO THE BUS. 72-2 DURING A SIMULATED LOSS OF OFFSITE POWER FOLLOWED ONE MINUTE LATER BY A SIMULATED S AFETY INJECTION CONDITION SIMULTANEOUS STARTING OF 4A INTAKE CW PUMP 3A: RESIDUAL HEAT REMOVAL PUMP AND 3A AND 4A S1 PUMPS CAlfSED LOW VOLTAGE CONDITION ON 4 A KV BUS WITH SUBSEQUENT STRIPPING OF THAT BUS.

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