简介:ThispaperintroducesaMonteCarloscenariogenerationmethodbasedoncopulatheoryforthestochasticoptimalpowerflow(STOPF)problemwithwindpower.Byusingcopulatheory,thescenariosaresimulatedfrommultivariablejointdistributionbutonlyfromtheirdependencymatrix.Hence,thescenariosgeneratedbyproposedmethodcancontainfullstatisticalinformationofmultivariate.Here,thedetailsofsimulatingscenariosformulti-wind-farmareexplainedwithfoursteps:determinemarginofonewindfarm,fitthecopulas,chooseoptimalcopulasandsimulatescenariosbyMoteCarlo.Moreover,theproducingprocessofscenariosisdemonstratedbytwoadjacentactualwindfarmsinChina.Withthescenarios,theSTOPFisconvertedintothesameamountdeterministicsubOPFmodelswhichcanbesolvedbyavailabletechnologyperfectly.Resultsusingcopulatheoryarecomparedagainstresultsfromhistorysamplesbasedontwodesigns:IEEE30-busandIEEE118-bussystems.Thecomparisonresultsprovetheaccuracyoftheproposedmethodology.