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
,ACCELERATED Dl.BUT(ONDEMONS~~~
REGULATINFORMATION DISTRIBUTION~STEM (RIDS)ACCESSION NBR:8807120406 DOC.DATE:
88/07/06NOTARIZED:
NODOCKET¹FACIL:50-220 NineMilePointNuclearStation,Unit1,NiagaraPowe05000220AUTH.NAMEAUTHORAFFILIATION TERRYiC.D.
NiagaraMohawkPowerCorp.CRECIP.NAME RECIPIENT AFFILIATION gZ.DocumentControlBranch(Document ControlDesk)
SUBJECT:
RespondstorequestforaddiinfoonATWSreviewrealternate rodinjection 6recirculation pumptripsys.DISTRIBUTION CODE:A055DCOPIESRECEIVED:LTR gENCLtSIZE:TITLE:OR/Licensing Submittal:
SalemATWSEventsGL-83-28NOTES:RECIPIENT IDCODE/NAME PD1-1LABENEDICTgR IINTERNAL:
ACRSNRRLASHER,DNRR/DEST/ICSB 7NRR/DEST/RSB 8ENRR/DOEA/GCB 11OGC15-B-18RES/DE/EIB EXTERNAL:
LPDRNSICCOPIESLTTRENCL1011RECIPIENT IDCODE/NAME PD1-1PDHAUGHEY,M ARM/DAF/LFMB NRR/DEST/ESB 8DNRR/DEST/PSB 8DNRR/DLPQ/QAB 10Ml.CTREGFILE1NRCPDRCOPIESLTTRENCL331110111010111111hTOTALNUMBEROFCOPIESREQUIRED:
LTTR27ENCL21
NIAGARAMOHAWKPOWERCORPORATION/301 PLAINFIELD ROAD,SYRACUSE, N.Y.13212/TELEPHONE (315)474-1511July6,1988NMP1L0281U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Re:NineMilePointUnit1DocketNo.50-220DPR-63Gentlemen:
EnclosedisNiagaraMohawkPowerCorporation's responsetothestaff'srequestforadditional information onATWSreviewrelatedtoAlternate RodInjection (ARI)andRecirculation PumpTrip(RPT)systems.Thisinformation hasbeenprovidedinformally throughtelephone discussions withtheNuclearRegulatory Commission staffwhicharedocumented inthisletter.TheNuclearRegulatory Commission questions arecontained inAttachment l.Weareproviding marked-up copiesofthedrawingsthestaffrequested since.alldesignchangesthataredocumented inDocumentChangeRequests(DCRs)havenotyetbeenincorporated inthedrawingsidentified inAttachment 1.Thesemarked-up drawingsalsoincorporate ourrecentcommitment todeletethethree-second timedelayintheRecirculation PumpTriphighpressureinitiation logic.Verytrulyyours,NIAGARAMOHAWKPOWERCORPORATION LW/pns5126GEnclosures C.D.TerryVicePresident NuclearEngineering andLicensing xc:RegionalAdministrator, RegionIMr.R.A.Capra,DirectorMr.R.A.Benedict, ProjectManagerMr.W.A.Cook,ResidentInspector RecordsManagement 8807120406 5000Z20880706PopADQCH,0pgUP 11I' I,~000OOOO'0060008OOOO000900090ttf00Ol!HII..IrfOooj'0080008Oooj006008OOL00900900';;M,'tIjlIS'It008008~OOI0Ol---.;j~rr=.f:;,.
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FORM1122A024056.01-013 K.B.ThomasINTERNALCORRESPONDENCE DISTRICTr~~v~-ZV~r/-
<~<~8~'/N7NlAGARAl,lMOHAWKTOT.N.RomanDATESeptember 3,1986FILEGQDESUBJECTRPSMGSetVoltageProtectionTechnical Specification 4.6.12brequiresthattheReactorProtection SystemMotorGenerator Setvoltageprotective instruments besetat:/J'K.B.ThomasLicensing Engineerovervoltage<132,<4secondsundervoltage>108,4secondsThissettingwasselectedtoensurethatthevoltagevariation attheRPScomponents wouldbeheldto+10percentof115volts.IInaddition, NiagaraMohawkcommitted toidentifywhichcircuitsrequiredmodifications toensurethattheGErecommended normaloperating voltageof115+2voltsattheRPScomponents bemaintained.
(Ref.T.E.LempgeslettertoD.B.Vassallo, dated12/15/83).
Licensing doesnotconsiderexceeding therecqmmended voltageof115+2voltstobeareportable eventaslongasthetechnical specification requirements andthe115+10'/.voltagecommitment aremet.Heshould,however,continuetopursuemodifications totheRPScircuitry toachievetheGErecommended levelsof115+2voltsassoonaspossible.
P7$+Ji'c~7t~rife/jiPgjjP~,,p/84wMIJIfJf'JKBT:saa7063Ixc:H..T.BarrettP.E.Francisco
~3.J.Finrgr,='ty~
geoeye'-nAJI/-/verzoTechnical Information 2AO-113January1976SPEC200RELAYCONTACTOUTPUTISOLATORGENERALRelaytypeSPEC200'ontact OutputIsolators pro-videaninterface betweenlowleveldcsystemlogicsig-nalsandhighlevelloadswitching
- circuits, Inadditiontothespdtrelaycontactoutputisolators described herein,twoversionsofsolid-state contactoutputisolators arecoveredinTechnical Information Sheet2AO-110.'Ihespdtrelaycontactoutputisolator, showninFigure1,mountsdirectlyinaSPEC200nest.Itoccupiestwospacesinthenest.Thisunitcanacceptuptofourinputs,andprovidesisolatedspdtirelay con-tactsforeach.Thereisnoelectrical isola/onbetweentheinputs.SPECIFICATIONS
,i~cTjct,~'I~),"-4404gModelNumber:2AO-L2C-R Mounting:
RefertoTI200-275Electrical Classification:
Ordinarylocations Intrinsic Safety:SeeTI200-255PowerRequirements:
+15Vdca5/o,40mAmaximum,perrelayNOTE)yrotecttre corerIorthelonertyclreterminate
{re)oared Iordally)moatheattachedwhendrcoltaaealiceFigure1.spdtRelayTypeContactOutputIsolatorVoltageDropAcrossOutputTerminals:
Lessthan0.5ohmsatratedloadOutput:spdtrelaycontactsINPUTBInputSignal(s):
+l5VHigh:10Vminimumfrom550ohmsminimumsourceimpedance Lows0.5Vmaximumfrom50ohmsmaximumsourceimpedance InputResistance; 500ohmsnominal(dc)iIILOAOAIJII~LOAD8~lIJOutputLoad(maxim'um, resistive):
+120Vac:5A~;,230Vacs2A~-"28Vdes5A40Vdc:1A125V'dcs0.5ArSupplyVoltageEffect:Noerrorwithinnormaloperating limitsAmbientTemperature Range:5to50'C(40to120'F)INPUTCINPUTO+IIg-oIILJ1ILOAOCLOAOOI~I-AmbientTemperature Effect:Noerrorwithinnormaloperating rangeResponseTime:10milliseconds typicalPRINCIPLE OFOPERATION Figure2isaschematic ofthespdtrelaycontactoutputisolator.
Therelaysarepoweredfromthe+15voltsdcbus-barintheSPEC200nest,IneachcaseaFigure2.CircuitSchematic relayisconnected inserieswiththepowersupplyandassociated input.Whentheresistance ofthelogicsourceishigh,therelayisde-enetgized.
Whenitislow,therelayisenergized.
Diodesacrosstherelaysreducetheeffectsofinductance atthetimeofswitching.
OX&OR
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~~~
I ry/ML/TRcontrolrelaysOperateTime(SeriesMLonly)Timeelapsedbetweenenergization andopeningofclosedcontacts.
12milliseconds max.whenlatchingpulsedurationis:AC80milliseconds DC25milliseconds 6milliseconds max.whenunlatching pulsedurationis:AC40milliseconds DC20milliseconds Transient Protection (SeriesTRonly)A1500volttransient oflessthan100micro.seconds,or1000voltsoflessthan1millisec-ondwillnotaffecttimingaccuracy.
ContactsNumberofcontacts4singlepoledoublethrowNominalrating10A120voltsAC(SeriesGP&TR)TypicalpressurebetweenmovingcontactandNormallyclosedcontact:30gramsNormallyopencontact:100grams(SeriesML)pressurebetweenmovingcontactandallyclosedcontact:.100gramsNormallyopencontact:Min.100gramsContactresistance measuredatterminals 250milliohms O125VDC,1ampLifeLoadlife-seechartpage18.Mechanical life-100millionoperations.
(SeriesGP&TR)10millionmechanical operations (SeriesML)CoilOperating VoltageSeriesGPNominalCoilVoltage,MinimumPick.upvoltageat40'CMaximumvoltageforcontinuous useFor380vo!tsACUse6800ohms4wattresistorinserieswith220voltsACrelayFor440voltsACUse8200ohms6wattresistorinserieswith220voltsACrelay.DC1224481252509.5193810020013.5275314327550/60Hz2448I120~22020411021882753137245Coildropoutvoltagesarebetween10%and40%oftheratedoperating voltagesforbothDCandAC(Folexample:ina120Vunitdropoutwilloccurbetween12and48volts.)DCrelayswillfunctionwithunfiltered DCfromafull.wavtt bridgerectifier.
SeriesML(b15%)NominalVoltagePickupDropoutDCohmsCurrent(mA)DCohmsCurrent(mA)CodeLetterGHAC2448120220158637015006253121256883286147058002501255028DDC122448125withwithoutwithwithoutwithwithoutwithwithoutR-CR.CR-CR-CR-CR-CR-CR-C719169133372101681200275358768628544.5845401132132423641178178412707220102018.2122713093017.5134SeriesTR(-100b+15oio)DCAC24VDC.120V50-60Hz125VDCPowerConsumption SERIESGPTypicalpowerconsumption atratedvoltageis:6VAforACcoils6WattsforDCcoils.Thereisnosurgecurrentduringoperation.
SERIESMLAC:7.5Wforpick.up3WfordropoutDC:withoutR/Cnetwork15Wforpick.up13WlordropoutDC:withR/Cnetwork2Wforpick-up2WfordropoutSERIESTRTypicalpowerconsumption atratedvoltageis: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~0.5Resistive Resistive COS(p0.8Resistive COS(p0.5Resistive COSIp~0.8Resistive COSip~0.25NumberofElectrical Operations 15000100002000020000400000200000150000030000002000000Remarks2contactsinseries2contactsinparallel3hpmotor2contactsinparallel2contactsinparallel3hpmotorFilamentlamps0.5125V125Vococ<<~~>>Induetwe~ResisINe2tov2tov50i5050/50HtHtinsulation Resistance Betweenallno+connected terminals aswellasbetwetfnnoneonnected terminals andtherelayyoke:1000megohmsat500voltsDC.Ofefectric (SeriesGP&ML)voltsRMS60Hzbetweenpointsecifiedabove.ielectric (SeriesTR)2000VACbetweenterminals andcaseandbetweenmutually.
isolatedcontacts.
Operating Temperature RangeO'Cto60'C(SeriesGP&ML)O'Cto50'C(SeriesTR)Dimensions ncesmm1.77t51.35Q220VAC220VAC120VD48VDC48VDC1.251.5101.5Resistive Resistive Resistive Resistive 5msShock(SeriesGPonly)Therelay,whenkeptenergized bymeansofoneofitsowncontactsets,willwithstand 40gshockloadwhenoperating onDC,and150gshockloadonAC.Vibration (SeriesGPonly)Singleaxisfragility curvedataareavailable onrequestatfrequencies from5Hzto33Hz.Mounting/Terminals 16flatbasepins.Screwterminalsocketsareavailable.
ORDERINGINFORMATION CatalogNumberCode/Series GPandML150000003000000020000000100000018000000withblowoutdeviceAgencyApprovals ULRecognized, CSACertified (SeriesGP&MLonly)WeightRelaycompletewithcover:103oi.Net(SeriesGP&ML)11oz.Net(SeriesTR)1.83t9aaiae4.64lie30INModelSeriesAGASTAT'eries GP-PowerRelayAGASTAT1SeriesML-MagneticLatchRelayCOIIVoltageA-12VDC8-24VDCC-48VDCD-f25VDCF-250VDCG-24V60HzH-48V60HzI-120V60HzJ-220V60HzOptionsN-Magnetic8fnwoutDeviceQ-Ughttoindicatecoil0nergizatfon (Notavaifabf0 onaffmodels.consultfactory)R-fntemafdiodetosuppresscoild00neigizati0n transient
.(WhenusedonDCunit,relayreleasetimeincreases tothesamevalueastheACequivalent.)
'PSeriesOnlySeepages20and21forsockets2ndotheracc0550Iios.
t gs~erfd-A'PS(/-ger/8~e~NOTESOFTELEPHONE CONVERSATION CALLDATE-/s--6'TIME/'4-'~PROJECT+7M4FROM:W/ec./+oacH<e~N/eCISUBJECT48gpo-r~M.O./'Z'mTO:NAMESarZ~~a/dc'~TITLEI)gi'/'~7/a'tpt grIr/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,~+
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eIRESISTANCE,
-INDUCTANCE, ANDINDUCTIVE REACTANCE (60Hz)FOR2/C(CLASSBSTRAND)600VOLTFIREWALLIIICABLES(COLUMN"B"WALLS)SizeAWGWall25R90Ohmser1000'C-DC RatioLmhenriesper1000'(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-Thesingleconductor resistance at25Cand90Crespectively.
00Dou~lethevaluesfortotalresistance.
2)AC-DCRatio-Theratiooftheresistance at60HztotheDCresistance.
Thefactorincludescorrection forbothskinandproximity effect.Itiscorrectforcableinairornon-magnetic duct.3)L-Theinductance inmillihenries perthousandfeetforoneconductor.
Doublethevaluesfortotalinductance.
4)X-The.inductive reactance inohmsperthousandfeetat60Hzforoneconductor.
~ob~ethevaluesfortotalreactance.
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MASS,01551(51T)3551413d141dFebruaryll,1983NiagaraMohawkPowerCorporation 300ErieBoulevard, WestSyracuse, NewYork13202@ATTN:Mr.R.SkowrNuclearDesignC-3
DearMr.Skow:
IInresponsetoyourquestions onmyletterdatedApril12,1978toMr.Whitfordinreference toresistance andinductance forvaluesofconductor resistance (at25Cand90C),AC-DCresistance ratio(60Hz),inductance andinductive reactance (60Hz)forFirewallIIIcablesinairornon-magnetic conduit.Thevaluesforinductance applytoeither2conductor jacketedcable,orduplexedconductors.
Forcloserandomlayinatrayorconduit(twoseparateconductors),
thevaluesforinductance andinductive reactance shouldbeincreased by208.(Resistance andAC-DCratiowillremainthesame).Thevaluesforcolumn"A"wallswillbeslightlyhigherforcabledorduplexedconstructions, butwillbeaboutthesameforrandomlay(plus20%).Ifyouhaveanyquestions, pleasecontactme.IVerytrulyyours,THEROCKBESTOS COMPANY~cM~c-ill3.Patterson DistrrSalesManagerWJP/lmrEncl.
xp "RESISTANCE,
.INDUCTANCE, ANDINDUCTIVE REACTANCE (60Hz)FOR2/C(CLASSBSTRAND)600VOLTFIREWALLIIICABLES(COLUMN"B"WALLS)SizeAWGR259OOhmser1000'C-DC RatioLmhenriesper1000'(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-Thesingleconductor resistance at25Cand90Crespectively.
000Doylethevaluesfortotalresistance.
2)AC-DCRatio-Theratio'oftheresistance at60HztotheDCresistance.
Thefactorincludescorrection forbothskinandproximity effect.Itiscorrectfor.cableinairornon-magnetic duct.3)4)L-Theinductance inmillihenries perthousandfeetforoneconductor.
Doublethevaluesfortotalinductance.
X-Theinductive reactance inohmsperthousandfeetat60HzforoneLconductor:
QoOlgethevaluesfortotalreactance.
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