ML18194A191

Figure 8.3-3, Logic Diagram Diesel Generator Starting & ESF Bus Loading Sequence.

ML18194A191
Person / Time
Site:	Palo Verde
Issue date:	03/01/1978
From:	Arizona Public Service Co
To:	Office of Nuclear Reactor Regulation
References
Download: ML18194A191 (1)

Text

NOTES I. VOLTAGE SEN5ED Bt'h'OERVOLTAGE RELAY5.

Cs cs ESF BVS IXLOJIWG ACB 5 OPEN AFTER 540RT TWE DFLAY GV TRIP TRIP LOSS OF VOLTAGE TRP ACB I 3 TRIP 2. LOGIC DIAGRAJI CDVFR5 ESF CAID GRZUP I LDAD GROUP 2 Is 5IMILAR BtcEpr PROTECTION DEVILE5 PAOTECTIOG'EVICFS hla / THAT AFRS DOES 4'OT INITIATE/DRO i/VS tlV GROUP 2.

C5 TPIP XCT FSF XFMR 5/4 5 3 START AVD STOP SIGNALS WIIL BE TRANSMITTED TO E5F XFMR Aura Ih'Dtt'/DUAL ACTIJATORS BY TJIF SEOUENClR5 PB hl 03 PB NX-04 4/A5 DSL GEN Nh'L START 4 NON-SFOUENCED LOADS CDVNECTED 70 4./GKV 4 480 V ESF LOP cs W/5ES JfAV BE RE57Al'TED Jf4NUALLVANY TIME AFTER START TRIP Yal TAGE RE 5 TDRA Tfah' SIMPIJFIED GVE lfhs DIAGXAJI SHOIV5 APXANGEMFNTJal'ACJI UPIT.

OCI/I N'/Pt DSL GEN TRIP 6. THE SEOUFNCERS ARE PERMISSIVE Aha JIAY OR MA/'OT MECH 1 ELECT PROTECTION PHOTECTOU Dl VICFS M / START EOUIPJ ENT DJRFCJZ 1' TIIESF ARE TYPICAl loGICACFUATOA'5 OTHFRS IVlll. BE NC )ACB i/i NO )ALBA HO )ACB 2/l Nc )ACB ACBI I DEVICES Bus UV~ USED AS RFOÃRFD.

I/2 )

3 2/2 Ti'IP AC 7 4ISKV CLASS IE805 PB 45 03 /NEJCCASSIE815 PG htat OPEX'CB hus FAI/LT UCI/I 8 ABBREVtATIOIIIS.

ACB-AIP. C/Rcu/T BRFAKER

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~

IIZ BUSF3017 DC//2 at Uvz

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Uvs ut'4 ACB <<3 4'0 ) ACB Z/3 OPEN CS ACT-ACTUATOR A/-ALARM4 IN!I/CAT/4'G CS CONTROL 5WITCH DSL GEN DSL GEN- DIE5EL GEX'FRATOR

/OL7 i FRED CLO5E CLDSF ESF- ENGINFFRFD SAFETY JEAruPES ESFA5 Eh'GINFEXED SAIFTV FEATVlES ACTUATION SIGNAL DIE5 L GEN DIESEL GEN LL05E ACB I/O SINSD'CD I/1 Isa- /50/AT/ON DEVICE W LOP laSS OF OFF-SITE PF &.Oi JOIYEA's locA GEDUEX'cFR MANUAL ACTIJATIOIV 05 NA CLA55 IE LOAD GROUP-I CLA55 IE LOAD GX'OUP 2 OPEA'NL CL05E CS NNL - MAX'UAL R- RE5ET St'N SW RC - REACTOR Coal AIV7 CLOSE S/MPLJFIEO SINGLE LJNE O/AGRAM 5 - 5ET 57/2 5 sit S/As-SAFETV /NVECTIGU ACTUATKW SIGXAI.

55 - SXUTDOXN SEOUENCER ACD I/2

/LCD I/2 LDJ'LOSE ACB //3 OPEN SYX'W - SVNCHX'ONfZING SIVJTCH 7- TEST SIGNAL UV-Uh'DER'OLTAGE OC - 0VEI/CuRRENT 5/45 XFXS AFXS-40l FEEBWATER XCTUATIOL'IGHAL ACBI/I 5IGNALS FROM REDUNDANT UV RELAY5 OPEN LOCA, 3 09'th'KV CLASS IE Bf/5 START ACB I/2 SEGUENIE OPE Y SIGNAL 2 3 4 MANUAL ACB I/3 .9 LOCK CLOSFD C0GIC SYMBOLS FUNCTION 5YNBOL DEFINITION 44'D OUTPUT Eh'/5TS PIIEH All fhPUTS ARF PRESENT 150 5 15 150 RFSE 7 OUTPUT EXISTS W/EN ANI'XPOT OR 15 PRE5ENT tfANUAL ACTUATION T 2/4 T- SEDUENCER (Lsj Not 04'INE DELAV OIJTPL 7 FXI57S IVJIEN TNE INPUT

/5 NOT PRESEX'LITPUT EX/5,5 Osc XY AtrER FOLLO/WING A TIME Dis ihPur is Cour/N UOUSLY APPLIFD OUTPUT CEASES IVHEN TIF INPUT IS NOT PPE5EIVT 5 /0 /5 2lt 29 30 OIITPUT EM575 IVHEH THE IHPIJT /5 OFF TIME DE/AY PRESENT AND CONTINUES To EXIST El EC EC EC FC SEX SFC FGV 4 TINE AFTER Tl/E INJXI7 CEASES.

OUTIXITEXI575 IVHEN TVE SET NEJI DRY Ih'PUT Is PRESEX'TAND CGtltlhWFS NAX'UAL MANUAL NANUAL SEOUEHCER slsxns 10 ED57 Uh'7/L TNE'ESET INP/lr ACTUATION ACTUATIOH AC TUA TIOH FOR ACti/47/ON IS PRFSFNT.

cs Esns cs OUTPUT EXI5T5 WHEN ATE EAST 4 RESET QA QA COHICIWHCE NATRIK ~4$ aur OF 8 INPUTS AFE PRFSENT TE5 7 TE5 T Arizona Nuclear Power Project Palo Verde Nuclear Generating Station hl Units 1, 2 & 3 LOGIC DIAGRAN DIESEL LOP 5IGNAL 70 ACTUATION TRIP4CB I/I 4ACB //2 LOAD 5HEDDING 4 START D/ESEL EENFRATOR EXCEPT LOAD CGYTFRS GENERATOR STARTING E, ESF BUS LOADING SEQUENCE TIP/CAL Actll4TIUN FOR TVPICAL ACTUATIOX'JR LOSS OF OFFSITE POWER GENS/NG LOGIC EOUIPA'CUT AC/ZIATED 04 OFFSIIF JWR Bt'OSS FGUIPJIEX'7 ACTUA TED BV LlZ'A Figure 8.3-3 SEE NOTE 7 SEE HOTE 7 CHANGE

'-'235 March 1, 1978 Amendment 17