ML20084M980

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: ML20084M947 ML20084M980
References
AO-3-72-1, AO-3-72-2, NUDOCS 8306020421
Download: ML20084M980 (2)

Text

_ _ _ _ _ _ _ _

1< _

OCi: U i WL g% ~

.ggf gg J EW!' e;M ~. ;l vv s_

_ - .u.m- .,z. . . . .. -- _ . m . ~ . . _ . 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 6 FLORIDA POWER AND LIGHT COMPANY REPORTS ABNORMAL OCCURRENCES 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.

SF.1201 (R5-69)

L,__,, . .

F 4

PDR l

1 .

r-

)

U ~ = -

- " ~ ~=

_ ~~ "~7

- - ~ ~ -

{g%d gi g g

= ,

f '

_vi

,~ ~ ,;- y; v. .,.~ em ; .u J[g3

>- A

. ~ = . _

w ,. , .. _

0/}C026/v sit CE FUEL WAS NOT IN THE REACTOR THERE V t

(

(

HA2ARD INVOLVED WITH EITHER OPrTHESEs OCCUTtD,SNC WILL BE SUBMITTED AS REQUIRED ,..

BY . TECHNICAL' S AD SCHMIDT SUPT GEN STATIONS;.';. , g fl' < r ,- c-72-1 72-2 72-1 3 A 4KV 72-2 4 A 3 A 3 A 4 A S 1 4 A KV.

SF.1201 (R549) .

W e

w'  %

a e