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电力系统自动化 2012
Development and Application of On-line Wind Power RiskAssessment SystemKeywords: wind,power,integration,wide-area,measurement,system（WAMS）,wind,disturbance,probability,on-line,risk,assessment,security,warning Abstract: Becauseofthelarge-scaleintegrationofwindpower，thedynamiccharacteristicsofpowersystemhavemanyuncertaineffects.Basedondeterministicanalysismethods，traditionalon-linesecurityassessmentsystemcannotquantitativelyestimatetheactualoperatingconditionsofthepowersystemforonlyconsideringthemostseriousandcredibleaccidents.Therefore，therisktheoryisintroducedintoanon-linesecurityassessmentsystemandthenanon-lineriskassessmentsystemforwindpowerisdesignedandimplementedbycombiningwiththedynamicsecurityassessmentsystem.Basedonmultipledataintegration，thewindpowerdisturbanceprobabilityisavailableandthesecurityassessmentofthepowergridcanobtainsecurityindicesindifferentaspects.Theoperatingriskindexisanexpectationofseverity，computedbysummingupalltheproductsoftheresultprobabilityanditsseverity.Analysisresultsarereportedtothedispatchersinon-lineenvironment，whilethecomprehensiveweaklinksareautomaticallyprovidedtothepowerdispatchingcenter.Theriskassessmentsysteminoperationcanverifythereasonablenessofthesystem.
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