應(yīng)急突發(fā)事件下配電網(wǎng)安全承載能力評(píng)估

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中圖分類號(hào)：TM715 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：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(lái)，我國(guó)分布式電源的建設(shè)與使用規(guī)模持續(xù)迅速增加，2020年，我國(guó)新增風(fēng)電裝機(jī)7167萬(wàn)kW 、光伏發(fā)電4820萬(wàn) kW ，遠(yuǎn)高于市場(chǎng)預(yù)測(cè)增速[1-2]。（剩余11957字）