ML18038A406
| ML18038A406 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 07/06/1988 |
| From: | TERRY C D NIAGARA MOHAWK POWER CORP. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| Shared Package | |
| ML17055D987 | List: |
| References | |
| NMP1L-0281, NMP1L-281, NUDOCS 8807120406 | |
| Download: ML18038A406 (72) | |
Text
,ACCELERATEDDl.BUT(ONDEMONS~~~REGULATINFORMATIONDISTRIBUTION~STEM(RIDS)ACCESSIONNBR:8807120406DOC.DATE:88/07/06NOTARIZED:NODOCKET¹FACIL:50-220NineMilePointNuclearStation,Unit1,NiagaraPowe05000220AUTH.NAMEAUTHORAFFILIATIONTERRYiC.D.NiagaraMohawkPowerCorp.CRECIP.NAMERECIPIENTAFFILIATIONgZ.DocumentControlBranch(DocumentControlDesk)
SUBJECT:
RespondstorequestforaddiinfoonATWSreviewrealternaterodinjection6recirculationpumptripsys.DISTRIBUTIONCODE:A055DCOPIESRECEIVED:LTRgENCLtSIZE:TITLE:OR/LicensingSubmittal:SalemATWSEventsGL-83-28NOTES:RECIPIENTIDCODE/NAMEPD1-1LABENEDICTgRIINTERNAL:ACRSNRRLASHER,DNRR/DEST/ICSB7NRR/DEST/RSB8ENRR/DOEA/GCB11OGC15-B-18RES/DE/EIBEXTERNAL:LPDRNSICCOPIESLTTRENCL1011RECIPIENTIDCODE/NAMEPD1-1PDHAUGHEY,MARM/DAF/LFMBNRR/DEST/ESB8DNRR/DEST/PSB8DNRR/DLPQ/QAB10Ml.CTREGFILE1NRCPDRCOPIESLTTRENCL331110111010111111hTOTALNUMBEROFCOPIESREQUIRED:LTTR27ENCL21
NIAGARAMOHAWKPOWERCORPORATION/301PLAINFIELDROAD,SYRACUSE,N.Y.13212/TELEPHONE(315)474-1511July6,1988NMP1L0281U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Re:NineMilePointUnit1DocketNo.50-220DPR-63Gentlemen:EnclosedisNiagaraMohawkPowerCorporation'sresponsetothestaff'srequestforadditionalinformationonATWSreviewrelatedtoAlternateRodInjection(ARI)andRecirculationPumpTrip(RPT)systems.ThisinformationhasbeenprovidedinformallythroughtelephonediscussionswiththeNuclearRegulatoryCommissionstaffwhicharedocumentedinthisletter.TheNuclearRegulatoryCommissionquestionsarecontainedinAttachmentl.Weareprovidingmarked-upcopiesofthedrawingsthestaffrequestedsince.alldesignchangesthataredocumentedinDocumentChangeRequests(DCRs)havenotyetbeenincorporatedinthedrawingsidentifiedinAttachment1.Thesemarked-updrawingsalsoincorporateourrecentcommitmenttodeletethethree-secondtimedelayintheRecirculationPumpTriphighpressureinitiationlogic.Verytrulyyours,NIAGARAMOHAWKPOWERCORPORATIONLW/pns5126GEnclosuresC.D.TerryVicePresidentNuclearEngineeringandLicensingxc:RegionalAdministrator,RegionIMr.R.A.Capra,DirectorMr.R.A.Benedict,ProjectManagerMr.W.A.Cook,ResidentInspectorRecordsManagement88071204065000Z20880706PopADQCH,0pgUP 11I' I,~000OOOO'0060008OOOO000900090ttf00Ol!HII..IrfOooj'0080008Oooj006008OOL00900900';;M,'tIjlIS'It008008~OOI0Ol---.;j~rr=.f:;,.0',;"IA~IOCY~4vvC~I-~oCvlv\1111OOOgOO00000QICOtvltdIAIIItI4W1ti0~Iv~I~Iv~ygC.tIOoooj00060008oooc0009=-0009Oooj000800050III20008005ClfIII0OOT<Olv0oIlt2IIIOCYDoOoCVOCl)IIIIIOOICIUCOIIIQIttIr'DOCOCOIA'CIIttftlatmItf'0OCOItfVttI0ttfIhC0O.IttCl065'~006008OOL009009O00jt/gv~4Lt.'tq~tgIgyg.j~(0Cft--I.I'tv'irI--tt-'-.0ClOrttfO'kehvaBabl<~ApertureN~d\'~1111I~1111I'1t!I~IIItlv'rvtv.=-I-l-I"1~~IIIOItLttfOOI-taEIttNCa,ef-OCtl~tvI0'gx8IC2wWQCtffOItjIYeIAlA00ooCIISsl3Q90&Q(
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FORM1122A024056.01-013K.B.ThomasINTERNALCORRESPONDENCEDISTRICTr~~v~-ZV~r/-<~<~8~'/N7NlAGARAl,lMOHAWKTOT.N.RomanDATESeptember3,1986FILEGQDESUBJECTRPSMGSetVoltageProtectionTechnicalSpecification4.6.12brequiresthattheReactorProtectionSystemMotorGeneratorSetvoltageprotectiveinstrumentsbesetat:/J'K.B.ThomasLicensingEngineerovervoltage<132,<4secondsundervoltage>108,4secondsThissettingwasselectedtoensurethatthevoltagevariationattheRPScomponentswouldbeheldto+10percentof115volts.IInaddition,NiagaraMohawkcommittedtoidentifywhichcircuitsrequiredmodificationstoensurethattheGErecommendednormaloperatingvoltageof115+2voltsattheRPScomponentsbemaintained.(Ref.T.E.LempgeslettertoD.B.Vassallo,dated12/15/83).Licensingdoesnotconsiderexceedingtherecqmmendedvoltageof115+2voltstobeareportableeventaslongasthetechnicalspecificationrequirementsandthe115+10'/.voltagecommitmentaremet.Heshould,however,continuetopursuemodificationstotheRPScircuitrytoachievetheGErecommendedlevelsof115+2voltsassoonaspossible.P7$+Ji'c~7t~rife/jiPgjjP~,,p/84wMIJIfJf'JKBT:saa7063Ixc:H..T.BarrettP.E.Francisco~3.J.Finrgr,='ty~
geoeye'-nAJI/-/verzoTechnicalInformation2AO-113January1976SPEC200RELAYCONTACTOUTPUTISOLATORGENERALRelaytypeSPEC200'ontactOutputIsolatorspro-videaninterfacebetweenlowleveldcsystemlogicsig-nalsandhighlevelloadswitchingcircuits,Inadditiontothespdtrelaycontactoutputisolatorsdescribedherein,twoversionsofsolid-statecontactoutputisolatorsarecoveredinTechnicalInformationSheet2AO-110.'Ihespdtrelaycontactoutputisolator,showninFigure1,mountsdirectlyinaSPEC200nest.Itoccupiestwospacesinthenest.Thisunitcanacceptuptofourinputs,andprovidesisolatedspdtirelaycon-tactsforeach.Thereisnoelectricalisola/onbetweentheinputs.SPECIFICATIONS,i~cTjct,~'I~),"-4404gModelNumber:2AO-L2C-RMounting:RefertoTI200-275ElectricalClassification:OrdinarylocationsIntrinsicSafety:SeeTI200-255PowerRequirements:+15Vdca5/o,40mAmaximum,perrelayNOTE)yrotecttrecorerIorthelonertyclreterminate{re)oaredIordally)moatheattachedwhendrcoltaaealiceFigure1.spdtRelayTypeContactOutputIsolatorVoltageDropAcrossOutputTerminals:Lessthan0.5ohmsatratedloadOutput:spdtrelaycontactsINPUTBInputSignal(s):+l5VHigh:10Vminimumfrom550ohmsminimumsourceimpedanceLows0.5Vmaximumfrom50ohmsmaximumsourceimpedanceInputResistance;500ohmsnominal(dc)iIILOAOAIJII~LOAD8~lIJOutputLoad(maxim'um,resistive):+120Vac:5A~;,230Vacs2A~-"28Vdes5A40Vdc:1A125V'dcs0.5ArSupplyVoltageEffect:NoerrorwithinnormaloperatinglimitsAmbientTemperatureRange:5to50'C(40to120'F)INPUTCINPUTO+IIg-oIILJ1ILOAOCLOAOOI~I-AmbientTemperatureEffect:NoerrorwithinnormaloperatingrangeResponseTime:10millisecondstypicalPRINCIPLEOFOPERATIONFigure2isaschematicofthespdtrelaycontactoutputisolator.Therelaysarepoweredfromthe+15voltsdcbus-barintheSPEC200nest,IneachcaseaFigure2.CircuitSchematicrelayisconnectedinserieswiththepowersupplyandassociatedinput.Whentheresistanceofthelogicsourceishigh,therelayisde-enetgized.Whenitislow,therelayisenergized.Diodesacrosstherelaysreducetheeffectsofinductanceatthetimeofswitching.OX&OR
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I ry/ML/TRcontrolrelaysOperateTime(SeriesMLonly)Timeelapsedbetweenenergizationandopeningofclosedcontacts.12millisecondsmax.whenlatchingpulsedurationis:AC80millisecondsDC25milliseconds6millisecondsmax.whenunlatchingpulsedurationis:AC40millisecondsDC20millisecondsTransientProtection(SeriesTRonly)A1500volttransientoflessthan100micro.seconds,or1000voltsoflessthan1millisec-ondwillnotaffecttimingaccuracy.ContactsNumberofcontacts4singlepoledoublethrowNominalrating10A120voltsAC(SeriesGP&TR)TypicalpressurebetweenmovingcontactandNormallyclosedcontact:30gramsNormallyopencontact:100grams(SeriesML)pressurebetweenmovingcontactandallyclosedcontact:.100gramsNormallyopencontact:Min.100gramsContactresistancemeasuredatterminals250milliohmsO125VDC,1ampLifeLoadlife-seechartpage18.Mechanicallife-100millionoperations.(SeriesGP&TR)10millionmechanicaloperations(SeriesML)CoilOperatingVoltageSeriesGPNominalCoilVoltage,MinimumPick.upvoltageat40'CMaximumvoltageforcontinuoususeFor380vo!tsACUse6800ohms4wattresistorinserieswith220voltsACrelayFor440voltsACUse8200ohms6wattresistorinserieswith220voltsACrelay.DC1224481252509.5193810020013.5275314327550/60Hz2448I120~22020411021882753137245Coildropoutvoltagesarebetween10%and40%oftheratedoperatingvoltagesforbothDCandAC(Folexample:ina120Vunitdropoutwilloccurbetween12and48volts.)DCrelayswillfunctionwithunfilteredDCfromafull.wavttbridgerectifier.SeriesML(b15%)NominalVoltagePickupDropoutDCohmsCurrent(mA)DCohmsCurrent(mA)CodeLetterGHAC2448120220158637015006253121256883286147058002501255028DDC122448125withwithoutwithwithoutwithwithoutwithwithoutR-CR.CR-CR-CR-CR-CR-CR-C719169133372101681200275358768628544.5845401132132423641178178412707220102018.2122713093017.5134SeriesTR(-100b+15oio)DCAC24VDC.120V50-60Hz125VDCPowerConsumptionSERIESGPTypicalpowerconsumptionatratedvoltageis:6VAforACcoils6WattsforDCcoils.Thereisnosurgecurrentduringoperation.SERIESMLAC:7.5Wforpick.up3WfordropoutDC:withoutR/Cnetwork15Wforpick.up13WlordropoutDC:withR/Cnetwork2Wforpick-up2WfordropoutSERIESTRTypicalpowerconsumptionatratedvoltageis:6VAforACcoils6WattsforDCcoils l0 seriesP/ML/T.R,..."I".y":/5r'coy~rf'PSj/-Pyre'gCvnenlwAMP$0.3051C30I$20~\5I"-io5?2.52.557.510120V50ieoHt\ziVOCLoadLifeCharacteristics,Voltag~540VAC380VAC380VAC380VAC220VAC220VAC220VAC220VAC220VAC220VAC220VACCurrent(Amps)15103x3.32015103x62.5PowerFactororTimeConstantCOSIp~0.5ResistiveResistiveCOS(p0.8ResistiveCOS(p0.5ResistiveCOSIp~0.8ResistiveCOSip~0.25NumberofElectricalOperations15000100002000020000400000200000150000030000002000000Remarks2contactsinseries2contactsinparallel3hpmotor2contactsinparallel2contactsinparallel3hpmotorFilamentlamps0.5125V125Vococ<<~~>>Induetwe~ResisINe2tov2tov50i5050/50HtHtinsulationResistanceBetweenallno+connectedterminalsaswellasbetwetfnnoneonnectedterminalsandtherelayyoke:1000megohmsat500voltsDC.Ofefectric(SeriesGP&ML)voltsRMS60Hzbetweenpointsecifiedabove.ielectric(SeriesTR)2000VACbetweenterminalsandcaseandbetweenmutually.isolatedcontacts.OperatingTemperatureRangeO'Cto60'C(SeriesGP&ML)O'Cto50'C(SeriesTR)Dimensionsncesmm1.77t51.35Q220VAC220VAC120VD48VDC48VDC1.251.5101.5ResistiveResistiveResistiveResistive5msShock(SeriesGPonly)Therelay,whenkeptenergizedbymeansofoneofitsowncontactsets,willwithstand40gshockloadwhenoperatingonDC,and150gshockloadonAC.Vibration(SeriesGPonly)Singleaxisfragilitycurvedataareavailableonrequestatfrequenciesfrom5Hzto33Hz.Mounting/Terminals16flatbasepins.Screwterminalsocketsareavailable.ORDERINGINFORMATIONCatalogNumberCode/SeriesGPandML150000003000000020000000100000018000000withblowoutdeviceAgencyApprovalsULRecognized,CSACertified(SeriesGP&MLonly)WeightRelaycompletewithcover:103oi.Net(SeriesGP&ML)11oz.Net(SeriesTR)1.83t9aaiae4.64lie30INModelSeriesAGASTAT'eriesGP-PowerRelayAGASTAT1SeriesML-MagneticLatchRelayCOIIVoltageA-12VDC8-24VDCC-48VDCD-f25VDCF-250VDCG-24V60HzH-48V60HzI-120V60HzJ-220V60HzOptionsN-Magnetic8fnwoutDeviceQ-Ughttoindicatecoil0nergizatfon(Notavaifabf0onaffmodels.consultfactory)R-fntemafdiodetosuppresscoild00neigizati0ntransient.(WhenusedonDCunit,relayreleasetimeincreasestothesamevalueastheACequivalent.)'PSeriesOnlySeepages20and21forsockets2ndotheracc0550Iios.
t gs~erfd-A'PS(/-ger/8~e~NOTESOFTELEPHONECONVERSATIONCALLDATE-/s--6'TIME/'4-'~PROJECT+7M4FROM:W/ec./+oacH<e~N/eCISUBJECT48gpo-r~M.O./'Z'mTO:NAMESarZ~~a/dc'~TITLEI)gi'/'~7/a'tptgrIr/r/go'~g(ePvrP>Ho~lr-g4I+/N'ADDRESS9o5'6dz-WE/Iec4~(.AQC7CiaoePEP-/8/O6/gZ,SUMMARYl<eji/aeoclaT)croag,.(<o<a~g7.'~'Coro"~p~g~a,>>c~~cZ'~Aa~'Zoo-4,~+/,~/em-v88<<Jag/aca=7rP)P<)C.~~7aN~~g~g/~re~7g0nrno'o!o(4/oocaougegao7al/5V~CS'ee24O~)prrpHca/(aho/2r<4~7a+y'-rarage'isaaocacfcream-rgb<(r"08$)ACTIONREQUIREDCOPYTO'g-8>/Wc%Bee4c,Da'rc,~ru'+=./>>c/,etc.-sopa'o/~g>g(uv~ggicigJ=b+cX+ao/Valljre'ib(~~RP8'7SIGATURE I
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eIRESISTANCE,-INDUCTANCE,ANDINDUCTIVEREACTANCE(60Hz)FOR2/C(CLASSBSTRAND)600VOLTFIREWALLIIICABLES(COLUMN"B"WALLS)SizeAWGWall25R90Ohmser1000'C-DCRatioLmhenriesper1000'(60Hz)Ohmser1000'41210864210000000000250300'350400450500.030.030.030.045.045~045.045.055.055.055.055.055~065.065.065.065.065.0652.73l.721.08.679.428.269.169.134.106.0842.0668.0525.0449.0374.0320.0277.0247..02223.412.15l.35.849~535.336.211.168.132.105.0835.0656.0561.0468.0400.0346.0309.0278l.00.1.001.001.001.001.001.001.001.001.00l.00l.001.0051.0061.0091.011l.0141.018.093.0878.0827.0865.0815.0772.0736.0747.073.0715.0701.0688.0697.0687.0679.0673.0674.0663.035.033.031.033.031.029'028.028.028.027.026.026.026.026.026.025.025.025NOTES:1)R25andR90-Thesingleconductorresistanceat25Cand90Crespectively.00Dou~lethevaluesfortotalresistance.2)AC-DCRatio-Theratiooftheresistanceat60HztotheDCresistance.Thefactorincludescorrectionforbothskinandproximityeffect.Itiscorrectforcableinairornon-magneticduct.3)L-Theinductanceinmillihenriesperthousandfeetforoneconductor.Doublethevaluesfortotalinductance.4)X-The.inductivereactanceinohmsperthousandfeetat60Hzforoneconductor.~ob~ethevaluesfortotalreactance./7dl'PA~i/dc)F'ire/~ag~+'gjppb>wc)c!irrAa-.nygig~S(>~1aC<8ZdrO'ZdO.~gip/j'~THEROCKBESTOSCOMPANYGUARANTYBANKBLOG.19WESTMA(NSTREETWESTBORO,hhA.01581
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Og, II-IEIZ()&1%1.3K&I(?HCENT4AI.GVILPINO,ldSOVTHST.,SUITE5,C()Ikt'II'i'lb.IV5WEST0040.MASS,01551(51T)3551413d141dFebruaryll,1983NiagaraMohawkPowerCorporation300ErieBoulevard,WestSyracuse,NewYork13202@ATTN:Mr.R.SkowrNuclearDesignC-3
DearMr.Skow:
IInresponsetoyourquestionsonmyletterdatedApril12,1978toMr.Whitfordinreferencetoresistanceandinductanceforvaluesofconductorresistance(at25Cand90C),AC-DCresistanceratio(60Hz),inductanceandinductivereactance(60Hz)forFirewallIIIcablesinairornon-magneticconduit.Thevaluesforinductanceapplytoeither2conductorjacketedcable,orduplexedconductors.Forcloserandomlayinatrayorconduit(twoseparateconductors),thevaluesforinductanceandinductivereactanceshouldbeincreasedby208.(ResistanceandAC-DCratiowillremainthesame).Thevaluesforcolumn"A"wallswillbeslightlyhigherforcabledorduplexedconstructions,butwillbeaboutthesameforrandomlay(plus20%).Ifyouhaveanyquestions,pleasecontactme.IVerytrulyyours,THEROCKBESTOSCOMPANY~cM~c-ill3.PattersonDistrrSalesManagerWJP/lmrEncl.
xp "RESISTANCE,.INDUCTANCE,ANDINDUCTIVEREACTANCE(60Hz)FOR2/C(CLASSBSTRAND)600VOLTFIREWALLIIICABLES(COLUMN"B"WALLS)SizeAWGR259OOhmser1000'C-DCRatioLmhenriesper1000'(6OHz)Ohmser1000-1412108~64210'000000000250300350400450500.030.030.030.o45.045.045.045.055.055.055.055.055..065.065.065.065.065.0652.73l.721.08.679~428~.269.169.134.106.0842.0668.0525.0449:.0374.0320.0277.0247.02223.412.15l.35.849:535..336..211.168.132105.P835.i0656.0561.b468.0400.0346;0309.02781.001.00l.001.001.001.001'.00l.001.001.001.00l.001.0051.0061.0091.0111.0141.018.093.0878.0827.0865.0815.0772.0736..0747.073.0715.0701.0688.0697.0687.0679.0673.0674.0663.035.033.031.033.031.029.028.028.028.027.026.026.026.026.026.025~025.025I)R25andR9-Thesingleconductorresistanceat25Cand90Crespectively.000Doylethevaluesfortotalresistance.2)AC-DCRatio-Theratio'oftheresistanceat60HztotheDCresistance.Thefactorincludescorrectionforbothskinandproximityeffect.Itiscorrectfor.cableinairornon-magneticduct.3)4)L-Theinductanceinmillihenriesperthousandfeetforoneconductor.Doublethevaluesfortotalinductance.X-Theinductivereactanceinohmsperthousandfeetat60HzforoneLconductor:QoOlgethevaluesfortotalreactance./>~~~i<~~>n'~i'v~'ls,c)r~vscue'rnota-Vrti~~4MireQ~~'~a'g/pe4~ygi/~~/~are'd~droaZo..THEROCKBESTOSCOMPANYGUARANTYBANKBLOG.19WESTMA(NSTREETY/ESTBORO,MA.01581 l0 NOTESOFTELEPHONECONVERSATIONZg'~l-~l-rg-zilgCALLDATE-rs-6'7TIMEipd~PROJECT87~~FROM:MicA-/~A~mWrpd~~pNcr~~C~~~~(e~ISUBJECT48Agoo-M.O.r'Z'~TO:NAMESovZ>\TITLEl$sric~7i~>~g~PuVP>MOn'fp-g$+PZADDRESS64ZgS//cTsy7ac4'/~Z3'Aegr.rdc%CopdlM')QCQn/Is7O~zP-rar.oAvgZ.SUMMARY4Tide4c7py>oQ',/o)7.~Ir~~rZ~,~Ae~i~'r-/rrug.Q~zanv8Zs/rglrcy7>>t-9~SpageP)(Z)C.u~aS.tqJInice-7.0/r/.Q~~~gv.~~err+~irs-V~cin~<<4-szda~gh~/diag'r~pen~'~-yp/rmrs.Vrr//r~-Pp/p(r"rP,r.ACTIONREQUIREDCOPYTOSIGATUREP'r~g-8'T$&rWZ>>4c~~1r/.w.ari+=.Ss.r.~csoB-.2p.ytlapP~rgy;QJ=S-spa46@sr'r/Pp~p J\
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