风电并网系统多目标优化运行策略分析

《风电并网系统多目标优化运行策略分析》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、华北电力大学硕士学位论文AbstractNewenergyhasbeendevelopedverywellbecauseofthegrowthofthedemandforelectricpowerandtheimprovementofenvironmentalprotectionconsciousness．Windpowerbecomesthefastestdevelopedpowergenerationmodeinrenewableenergywithgooddevelopmentprospectsbecausewindpowertechnologyhasbeenbasicallym

2、atureanditseconomyhasalreadybeenclosetoconventionalenergy．Withtheconstantexpansionofwindfarmmergedinto鲥d，theimpactofwindpoweroutput’Sintermittentandvolatilityonsystemoperationismoreandmoreobvious．Thisisthemostimportantfactorrestrictingthedevelopmentofwindpower．Inordertouseofwindpowerfullyandeffe

3、ctively,itisnecessarytodoresearchontheoptimaloperationstrategiesofwindfarmincorporatedsystem．Theoptimaloperationstrategiesofwindfarmincorporatedsystemarestudiedinthispaperconsideringthecharacteristicofwindpowerandtherequirementsofoptimaloperation．Thedynamiceconomicdispatchmodelofwindfarmincorpor

4、atedsystemconsideringenvironmentalprotectionisestablished．Theupspinningreserveandthedownspinningreserveconstraintsconsideringwindpowerpredictionerrorareincludedtodealwiththeinfluenceofwindpower’SpredictionerroronED．TakingtheIEEE30一bussystemforinstance，therationalityoftheEDmodelisverified．Theopti

5、malpowerflowmodelofwindfarmincorporatedsystemconsideringoperationriskisestablished．Themodelconsideresthepositiveandnegativerotationreserveconstraintsandothersafetyoperationconstraints．TakingtheRTS-79systemforinstance，thefeasibilityoftheOPFmodelisproved．Dynamiceconomicdispatchandoptimalpowerflowc

6、alculationinpowersystemarebothhigh—dimension，none—convexandmulti-constrainedoptimizationproblems．Twoimprovementstrategiesareintroducedtoimprovetheoptimizationabilityofdifferentialevolutionformulti-objectiveoptimization．ThealgorithmisusedtofindtheParetooptimalsolutionsoftheexamplecalculationinthe

7、dynamiceconomicdispatchandoptimalpowerflow．TheresultsofsimulationexampleshowthatthealgorithminthisPaperhasefficientoptimizationability．Keywords：windpower，optimalopermion，opermionrisk，economicdispatch，optimalpowerflow，differe