應急突發(fā)事件下配電網(wǎng)安全承載能力評估

打開文本圖片集

中圖分類號：TM715 文獻標志碼：A 文章編號：1007-2683（2025）02-0114-08

Abstract：Withthe widespreadapplicationof distributed power sources andenergy storagedevices，distribution networks exhibit moreunknowncharacteristics.Emergencyincidents inthepower systemposeasignificanttreattothestableandscureoperationof thegrid.Inoder toanalyethesecuitycaringcapacityofdistrbutionnetorks，wefistconstructodeinfluenceidicatosasedon M-orderneighborquantityandentropytheory.Subsequently，considering theipactofemergencyincidentsonthedistrbutionofpower flows，asecuritycaryingcapacityevaluationmethodthatconsiderspowerflowdistributionbalanceinthegridisproposed. Aditionallyrategfoeletingitialsfetyostraintsasedoniteratiemethodisintroducedaningsutiocy byfocusingsolelyoncrucialsafetyconstraintsintheoptimizationmodeltosatisfyallfeasiblepowerflows.Finally，theevaluation model isappliedtoanalyetheIEE33-odetestsystem，validatingtheproposedapproachforaalyzingthescuritycaringapacity ofdistributionnetworksunderemergencyincidentswhileensuingeconomicviabilityandaligningwithcurrntdevelopmentneedsin distribution networks.

Keywords：carryingcapacity；node influence indicators；M-order neighbor number；securityconstraints；balance degree of powe flow distribution

0 引言

近年來，我國分布式電源的建設與使用規(guī)模持續(xù)迅速增加，2020年，我國新增風電裝機7167萬kW 、光伏發(fā)電4820萬 kW ，遠高于市場預測增速[1-2]。（剩余11957字）