ML18143B196

R. E. Ginna - Drawing 447-171, Train a Undervoltage System 27/14 Failure Modes

ML18143B196
Person / Time
Site:	Ginna
Issue date:	05/01/1978
From:	Rochester Gas & Electric Corp
To:	Office of Nuclear Reactor Regulation
References
447-171
Download: ML18143B196 (1)

Text

GONaeqLtemm~ '7n 5 0 1=AD DaQPaZWANC.E: ikiFLLte.hkC.E. Of DACk, JP(27'4) t AILLIQE. f:FFE.C.TS

('27/I4) UNDEQWOLTACIE WQXE.M A2iMA.tZ.Y SYSTEM/I TO TRAIN A PERFORMA'NCE CV-7 N.C. CONTACT FAILS 'TO C,I 05e. hl,O.

CONTACT FAILS TO opeN, oi2 coiL'peNS 65F SYDTtM L~T VeKIRED De.SI Tw'.E 2) oPE~T I oN A,L coNseaLIeNces(TrzAIN A cQNDEQUeNce& TI24IN A

'LIxILIARYI:c,'et+~ AUX. QELAY xt Na LOSS OF ~AITKI A (XI-X5) Fh,IE5 TO TRIP FAiLS IQ OPE.JZAYE MFE.CIu~ FULLY O PE.R'ATIONAL f&CK-UP CYST Ehit ALL u5APQ GUN ig PICV LjP FUNCTION 04

~IN AC,B 275 I4 - TRIPS ALL LOAVES DUS i4 QIP IA FAILS TO Tlc'IP AUX 'QE.LAY X2 W l055 OF TQAIh4 A ~

CF ID FAI LS TO 'TlZLW FAILS TO OT=IE.CRA7 E.

PiCK- QP OAF E.GU~ ruLLT OPePATioNAL 27Egh TRIPS

~ BUS TIE FAIL% YO FUNCTION OH TRIP TtZAIN A)B OPIA, CFID(

e.T. mKJZ,

~

ZHRPIA FAlES TO Tlat AUx RELAY x3 NO M~ CF Tr2AIN A, hhAFPIA, FAILS TO TRIP PAILS TO OPMATE P ICK.- LlP

~F C.CILIA,R'D FUU Y OPERATtoNb,t 275/l4 TRIP%

PHCC FAILS TO TRIP FUNCTION 06 (hlQW XE.)

TRAIN A.EID RHQPIA Iv1AFPIA ANP PHEON GAIA FAILS TQ TRIP AUX RELAY NO LDS OF 5T 5KK FAiLS Tu fAILQ TO OPERAS TIKIN A Tt2IP PICK,-LI P GAFF.6M'-UNC.TlON FULLY OPeRATIONA,l 27'/l4 l%i~

0H E'.,T, TRA,tN A.E,8 CFIA E',

M.q LINC.EQ AUX RELAY x5 NO LOADS OF ASTARTE.O OUT DF FAiLS TO OPERATE.

5 Af'eCIUAZDS F UNCT IOUS TQb,iN A LmT ST~ WiTH %.X. PIC<- LIP Z7f5/i4 XS Re.<IAIDO ON Tl2AikJ D HOLDS ~hLOUT ttZAthi t OPEQAT I ONAI FULLY

'AiL LOAD s ON CV- NC CONTACT IIO LQM Gf PouG I Q tAIL~

TIZIPPC'D -W,CI. CDWTAI T AOTB.:

SAF h.C Lt AQO5 TNT,IN A, M>T CV'f $ XIRE,LAY FA!LS TO CLC>ED', THE LOGIC'- OuT OF AAY ONE. LOAD FUNCTIONS QN GRAIN 2, E I47 I RE, 275/I4 (CU-7FAiL+ TO C2ESET) coNBTITUTM A Lo>8 oF T'AI,e A SY3TEbll FULLY RE5L RAID% P- FULLY OP C.QA ilONAL

~Z P IA Ada/OZ AUX RELAY XI FAILS SQ LOSS OF CF lc weMbtN To Re<a oaoc ouT OR CONT II-AiI %

OAF e.cpu ARRI FU ACT I OIKi&

ZRAtN A L~T X2 RELAY E'HE.

TQIPPED ro ot zw 0N 'TPAIhl f5 ENttRE 278/IQ QySTBh FULLY ~T TRAtN S FULLY OPE.RAWIONA L IZJ-(le'.PIA AND OI2- AUX t2ELAY x2. FEW NO LOTS Ot= IAAF I=IIA QEMAtN TQ PMET (O'RCV OU7 QAFCGOARP5 rPAn4 A LOST X5 RELAY ( THL-TRIPPED Oi2 COhLTMT F+I ao ope.~)

~

FUNCTIONS ON TRAIN H ENTIPE 27QIO SMTEIIt+

FUu Y RE~M /

RAIN f5 FULL f OP E.QKT IONA CF IA REMAihlb ALIx weLAv xa NO LQ'5D OF TQ IPPE.Q FAILS TG RESET(V@OP QAf'EcuAzP5 oUT oR. ohte op FLlNC T ION'M rRAiN A LQ&7 W R5A5 E', TtlE

+ MQRE. CQNTAC~

ON T~14lh ENTIRE, 27@III ~WTWtt OPEN)

FULLY RWZ,T>

TO REF e~ NCE DIZAWih4CIS:

TlZAIQ + FLILLT l0905- '52, M 7B OWEmrtONAL SEQUENC.~ FAt'LS ALIx +CLAY x4 FATLY No LO~" JF TO %TAIS TORCWET (TO PRop Tt2AIN A FUi L>

OAF Eb UAlZ~

FONC,TI 04 0 TI2AIN +f5 QPE Q.ATIOKLAL weLAY < TeE; EHWE 27594 Ij-ULLv RE~'YQ

~ OUT ONE, datJioac CO% TACT+ FAIL TO ot e,N) 4 - ~@UENCE,$ 2 'RELAY X5 FOAL J '/ 7S 5Th RTE P ALJ X TO

.OR, a~ ~C T(PZOP OUT OIZ IsIiORC-,

DRAWN GY RESP EN G.

ENG MAND'R.

CON'TAC~ FA!I TO ROCHESTER GAS & ELECTRIC CORP.

OPe. N) ROCHESTER, NEW YORK SCALE TRAIN M UNDUE.RUOLTAC C %'1ST'.Th

&7/i4 FAtLLIQE MODL JOB NO. DRAWING NO REV 447- l7l