第47卷第4期电网技术Vol.47No.42023年4月PowerSystemTechnologyApr.2023文章编号：1000-3673（2023）04-1378-08中图分类号：TM721文献标志码：A学科代码：470·40含高比例风电系统随机备用调度研究杜刚1，赵冬梅1，刘鑫2（1．华北电力大学电气与电子工程学院，北京市昌平区102206；2．国网吉林省电力有限公司长春供电公司，吉林省长春市130000）StochasticReserveSchedulingofHighProportionWindPowerSystemDUGang1,ZHAODongmei1,LIUXin2(1.SchoolofElectricalandElectronicEngineering,NorthChinaElectricPowerUniversity,ChangpingDistrict,Beijing102206,China;2.ChangchunPowerSupplyCompany,StateGridJilinElectricPowerCo.,Ltd.,Changchun130000,JilinProvince,China)1ABSTRACT:Highproportionofgrid-connectedwindpowerposesgreatchallengestothereservecapacityadjustmentabilityofthepowersystem.Inordertomakeupforthedeviationbetweentheplannedandtheactualwindfarmoutputs,theadditionalupspinninganddownspinningreservecapacitiesshouldberequiredforthepowerdispatching.Inthispaper,consideringtheriskofviolatingsecurityconstraints,aday-aheadstochasticreserveschedulingmodelisproposedbyusingthestochasticchance-constrainedoptimizationtheory,whichtakingintoaccounttheuncertaintyofwindpoweroutputandtheoutputcharacteristicsoftheautomaticgenerationcontrol(AGC)units.Firstofall,basedontheMarkovchainMonteCarlo(MCMC)method,thewindpowerscenarioissimulated,andtheamountofthegeneratedscenariosisautomaticallydeterminedbyusingtheviolationprobabilityofthechanceconstraintsandconfidenceparameters.Secondly,thereserveoutputcharacteristicsandoperationconstraintsoftheAGCunitsarecomprehensivelyconsideredinthereserveschedulingmodel.Byincorporatingthereservecostintotheobjectivefunction,theoptimaloutputplanoftheconventionalunitsandtheoptimalallocationcoefficientofthereservecapacityoftheAGCunitsareobtainedsimultaneously.Finally,theconstructedstochasticstandbyschedulingmodelisequivalenttoasemidefiniteprogramming(SDP)problemtobesolveddirectly.ExperimentsontheIEEE30-bussystemiscarriedouttodemonstratetheeffectivenessoftheproposedreserveschedulingmodel.KEYWORDS:wi...
