SaskPower System Security & Performance Operating Guideline文稿

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1、SOG-8–Revision#6page4SYSTEMSECURITY&PERFORMANCESTANDINGOPERATINGGUIDELINESOG–8:Saskatchewan/U.S.APowerTransferIncludes:AvailableTransferCapabilityB10TGeneratorDumpingBD922TPhaseShifterTapbackOperationRevision#:6Issuedby:DwightWooleyEffectiveDate:June21,2004Date:June21,2004ExpiryDate

2、:Approvedby:File:S0-24(SOG-8)Date:ReasonsforRevision:ThisSOGhasbeenrevisedtoupdateinformationrelatedtopowertransferbetweenSaskatchewan(SaskPower:SP)andtheU.S.A(BasinElectric:BE).Topicsinclude:a)Adescriptionofavailabletransfercapability(ATC)b)TheBoundaryDamgeneratordumpingscheme(BDGD

3、),inconsiderationoftheadditionoftheGlenboro-HarveytransmissionlineG82RontheManitoba-USAinterface.c)TheBD922Tphaseshifttransformercontroller(BDPSC)operation.Recommendations:A.SystemintactATCshouldbepostedasfollows:LimitingFactorDescriptionTTCTRMTRMFirmMaxreleasedFlowFortransferfromSP

4、toBE:2156550150200FortransferfromBEtoSP:165150150150Ifsystemintactconditionsdonotapply,areviewoftheexistingnetworkmustbeperformedandappropriateATCvaluesdetermined.PlannedoutagescausingrevisedATCvalueswouldtypicallybeimplementedthroughtemporaryoperatingguidelines.PNAcanbeusedtoconfir

5、msecureATCduringforcedoutages.B.TheBoundaryDamGeneratorDumpingSchemeshouldbearmedifwehavescheduledmorethan150MWexporttotheU.S.Priortoarmingthescheme,theAGC“triplimit”mustbesettoamegawattvaluelowenoughtosuspendAGCoperationifB10Ttrips.AsuggestedvaluefortheAGC“triplimit”is100MW.SOG-8–R

6、evision#6page4Otherwise,ifB10Ttrips,themachinesunderAGCcontrolwouldbeautomaticallyrampedupbytheAGCtore-establishthescheduledexport,whichwouldthenappearonthetielinesbetweenSaskPowerandManitoba,andthetielinesbetweenManitobaandtheU.S.A.AlargegenerationcontingencyinSP,oraD602Flinecontin

7、gencyinManitoba,couldcausetheBDPSCtotriptomanualandthetapbacktooperateuntilpowerflowisreducedto250MVA.Thisflowisacceptableforashortperiodoftime.However,thesystemoperatormayneedtotakefurtheractiontoreducethepowerflowtowithinthe200MVAcontinuousratingofthetransformer.Ifthecontingencyis

8、atripofD602F,MHshou