第47卷第2期电网技术Vol.47No.22023年2月PowerSystemTechnologyFeb.2023文章编号：1000-3673（2023）02-0636-09中图分类号：TM73文献标志码：A学科代码：470·40基于日前调度时段组合的联络线功率可行域分析袁泉1，孙宇军2，张蔷1，刘春晓1，李豹1，朱正春2，赖晓文2（1．中国南方电网电力调度控制中心，广东省广州市510663；2．北京清能互联科技有限公司，北京市海淀区100084）FeasibleRegionofTie-lineCapacityBasedonCombinationofDay-aheadDispatchingTimeIntervalsYUANQuan1,SUNYujun2,ZHANGQiang1,LIUChunxiao1,LIBao1,ZHUZhengchun2,LAIXiaowen2(1.CSGPowerDispatchingControlCenter,Guangzhou510663,GuangdongProvince,China;2.BeijingTsintergyTechnologyCo.,Ltd.,HaidianDistrict,Beijing100084,China)ABSTRACT:Evaluatingthetransferabilityoftrans-regionalpowersystemchannelsbythetie-lineavailabletransfercapacity(ATC)mayresultinanunfeasibletie-lineplanunderthesub-regionoperationconstraintsorleadtoextrare-dispatchcosts.Thispaperproposesananalysismethodofthetie-linepowerfeasibleregionbasedonthecombinationofthedistantandtheadjacenttimeintervals,whichisadaptedtothedemandoftheday-aheaddispatchscenario.Firstly,basedonthepolytopeprojectiontheory,theimpactsoftime-couplingrelationsonthefeasibleregioncalculationandcountermeasuresareanalyzed.Then,inaccordancewiththecharacteristicoftimeintervalscouplingintheday-aheaddispatch,thestrategyofthedistantandadjacenttimeintervalscombinationisdesignedandthefeasibleregionmodelsareestablished.Inthisway,theimpactsofthecouplingconstraintsofboththedistantandadjacenttimeintervalsareconsidered.Andthetie-linecapacityofeachtimeintervalintheday-aheaddispatchisdepictedbythecombinationofthefeasibleregioncalculationresultsofthedistantandadjacenttimeintervals.Finally,basedonthe118nodessystemthedifferentcalculationresultsoffeasibleregionsbyseveralmethodsarecompared,andthecomplementaryofthedistantandadjacenttimeintervalscombinationstrategyisanalyzed.Basedonthe39nodessysteminterconnectedwiththe118nodessystem,theinfluenceofthetie-linecapacityfeasibleregiononthesub-regiondispatchplansisanalyzed,whichver...
