%0 Journal Article %T Development and Application of On-line Wind Power RiskAssessment System %A FengSU %A XiaoxinZHOU %A HaiguoYU %A WenjunXIAN %A YingLV %A LingyuREN %J 电力系统自动化 %D 2012 %X Becauseofthelarge-scaleintegrationofwindpower,thedynamiccharacteristicsofpowersystemhavemanyuncertaineffects.Basedondeterministicanalysismethods,traditionalon-linesecurityassessmentsystemcannotquantitativelyestimatetheactualoperatingconditionsofthepowersystemforonlyconsideringthemostseriousandcredibleaccidents.Therefore,therisktheoryisintroducedintoanon-linesecurityassessmentsystemandthenanon-lineriskassessmentsystemforwindpowerisdesignedandimplementedbycombiningwiththedynamicsecurityassessmentsystem.Basedonmultipledataintegration,thewindpowerdisturbanceprobabilityisavailableandthesecurityassessmentofthepowergridcanobtainsecurityindicesindifferentaspects.Theoperatingriskindexisanexpectationofseverity,computedbysummingupalltheproductsoftheresultprobabilityanditsseverity.Analysisresultsarereportedtothedispatchersinon-lineenvironment,whilethecomprehensiveweaklinksareautomaticallyprovidedtothepowerdispatchingcenter.Theriskassessmentsysteminoperationcanverifythereasonablenessofthesystem. %K wind %K power %K integration %K wide-area %K measurement %K system(WAMS) %K wind %K disturbance %K probability %K on-line %K risk %K assessment %K security %K warning %U http://www.aeps-info.com/aeps/ch/reader/view_abstract.aspx?file_no=201112107&flag=1