05000272/LER-1977-046-03, /03L-0:on 770626,during Mode 2 Operation,Station Power Transformer Became Inoperable Due to Protective Relay Operation.Caused by Personnel Error in Not Tagging Breaker Failure

From kanterella
(Redirected from ML18081A864)
Jump to navigation Jump to search
/03L-0:on 770626,during Mode 2 Operation,Station Power Transformer Became Inoperable Due to Protective Relay Operation.Caused by Personnel Error in Not Tagging Breaker Failure
ML18081A864
Person / Time
Site: Salem 
Issue date: 07/12/1977
From: Spencer T
Public Service Enterprise Group
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18081A856 List:
References
LER-77-046-03L, LER-77-46-3L, NUDOCS 8001080538
Download: ML18081A864 (1)
v • d • e


LER-1977-046, /03L-0:on 770626,during Mode 2 Operation,Station Power Transformer Became Inoperable Due to Protective Relay Operation.Caused by Personnel Error in Not Tagging Breaker Failure
Event date:
Report date:
2721977046R03 - NRC Website
v • d • e

text

,,'""'

LICENSEE EVENT REPORT a 77-46/03L 7/12/77 CONTROL BLOCK 6

LICENSEE LICENSE EVENT NAME LICE:NSE NUMBER TY~E TYPE

@KIJNIJ!S!G!Sl~l jplol-IOIOIOIOIOl-IOlgJ 14111 ll ll lJo ~

REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE lol1l CON'T LJ__j llJ LLJ I 0 I 5 I 0 I - I 0 I 2 I 7 I 2 I l 0 I 6 I 2 16 I 7 I 7 I I 0 I 7 I 1 I 2 l 7 I 7 I

~

57 58 59 60 61 68 69 74 7560

EVENT DESCRIPTION

@TIJIDuri.ng Mode 2 operation, the No. 2 Station Power Transformer l'ecame. fooner--l eo 7

8 9

@))jable due to protective *relay operation.

7 8 9 Both offsite transmission lines d

~land the No. 1 SPT was operable throughout this eve.nt.

The electrical li~eub t7J-7 8 9 [Qli]!was restored to normal arnl action statement 3.8.1.1 was t en1ii rl 2 t ed.

Th~_§__]

w 1

a s

~lis the first event of this type.

(77-lo.6/03L) 7 B 9 SYSTEM CODE

@J?J1E IA I 7

8 9 10 CAU5£ CODE lAJ 11 CAUSE DESCRIPTION COMPONENT CODE IT IR IJ~ INJS-1EJ 12 17 PRIME COMPONENT SUPPLICR lLJ 43 COMPONENT MANUFACTURER IW I 1 I? Io I 44 47 VIOLATIOI*~

LNJ 48 loTal l 9Personnel error in not tagging. the Breakc::r Failure~ and Crouris Protec,_L!._QJJ_]

d

~

~I circuit out of service durj_1;.g breaker___t..c...~.. ti.JJ.Y.,....... r.EUJ.. c;""r1 1*b:i s r~,r..c.DJ.*~ *~-----~

7.

8 9

£0

~

~

7 09

~

[ill]

f9AC"11 l"!"V STATUS LEJ.

% POWE.R I o Io In I 0TH"::_'8STATUS I Rx: 10 amps 7

0 9

FORM OF 10

12.

13 ACTIVITY CONTENT RE.LEASED OF F.ELEA5E G:liJ

!_0_j

~

.<\\MOUNT OF ACTIVITY N/A 7

8 9

10 11 PERSONNEL EXPOSURES 01scovE.r-1v ~i::-5.:,r;,1ri-r10N IBreab:'.r Testir.;; i11 Progress I

~46~

.. :...........--'---~--'--'--'-....C.....--"--'-LL----.....,,a5 LOCATION OF '<ELE;*<,(

N T / __ A _______ j 6-0 NUMbEP.

TYPE

DESCRIPTION

~IO IO IO I l.ZJ

~N:..:..../...:..:."l';.:;___ _________________ -,J 7

8 9 11 12 13 bO PERSONNEL INJURIES NUMOER

DESCRIPTION

~1010101 N-A 7

8 9 11 12 OFFSITE CONSEQUENCES VislL..---------------!N:.!L..~A=-------------------------d LOSS OR DAMAGE TO FACILITY r.T:1 TYPE

DESCRIPTION

~IZI I N/A 1

a'"g'-'

~,o~---------:..:.L.~:..........-------------------------......_..,;

PUBLICITY Gli]L.-_________ ~l,Lti..........--------------------:::

7 8 9 80 ADDITIONAL FACTCRS

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

7 8 9 00 NAME:

T. L. Soencer

.. ~ ___ _

PHONE: (609)365-7000 Ext. Salem 528

Retrieved from "https://kanterella.com/w/index.php?title=05000272/LER-1977-046-03,_/03L-0:on_770626,during_Mode_2_Operation,Station_Power_Transformer_Became_Inoperable_Due_to_Protective_Relay_Operation.Caused_by_Personnel_Error_in_Not_Tagging_Breaker_Failure&oldid=5013556"