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1、SpecialProtectionSystemsLeoVillanuevaOperationsSupportEngineeringERCOTIntroductionSPSsorSpecialProtectionSystemsaregrowinginnumberintheERCOTSystem.ThisisanautomaticactionthatprotectsequipmentconnectedtotheERCOTGrid.Thispresentationisintendedto:?discussthewaySPS’sareus
2、edinERCOT,thetechnicalandpracticalaspectsofdevelopingandinstallingthemintheERCOTSystem.?explainhowtheyaremodeledandusedinreal-timeOperationsintheERCOTSystem.?exploretheNERCandERCOTrequirementspertainingtoinstallingandoperatingSPSsinERCOTandthereportingrequirementsforS
3、PSoperationsandmis-operations.?NOTcoverthetechnicaldetailsforfielddesignandinstallationofSPSsbutwillfocusonhowSPSsaffectOperationsandOperators’actions.2ObjectivesAtthecompletionofthiscourse,youwillbeableto:1.specifywhereSPSrequirementsarelocatedintheERCOTOperatingGuid
4、es.2.recognizeNERCReliabilityStandardsthatapplytoSPSs.3.locatethelistofSPSsapplicabletotheERCOTregion.4.recalltheNERCReliabilityStandardsdefinitionofSPS.5.describehowERCOTmonitorsanSPSintheERCOTEnergyManagementSystem.3Objective#1SpecifywhereSPSrequirementsarelocatedin
5、theERCOTOperatingGuides4?CurrentlyinERCOTallSPS’sareownedandoperatedbytheERCOTTransmissionOperator?InERCOT,theNERCTransmissionOperator(ERCOT)andERCOTTO’sareresponsibleformonitoringthestatusofSPS’s5SPSDefinition(OpGuidesSection7.2.2)?SpecialProtectionSystems(SPSs)arepr
6、otectiverelaysystemsdesignedtodetectabnormalERCOTSystemconditionsandtakepre-plannedcorrectiveaction(otherthantheisolationoffaultedelements)toprovideacceptableERCOTSystemperformance.?SPSactionsincludeamongothers,changesinDemand,generation,orsystemconfigurationtomaintai
7、nsystemstability,acceptablevoltages,oracceptableFacilityloadings.?AnSPSdoesnotincludeunder-frequencyorunder-voltageLoadshedding.6Type1VersusType2SPS(OpGuidesSection7.2.2)?A“Type1SPS”isanySPSthathaswide-areaimpactandspecificallyincludesanySPSthata)isdesignedtoaltergene
8、rationoutputorotherwiseconstraingenerationorimportsoverDCTies,orb)isdesignedtoopen345kVtransmissionlinesorotherlinesthatinte
