37! 5" #$%& Vol. 37No. 5 2013'5( PowerSystemTechnology May2013 !"#$1000-3673)2013*05-1190-06 %&'(#$TM91 )*+,$A -./,$47040 01234056789:; !" 1#$%& 1#'() 1#*+ 2 1!"#$%&'()*+',-"#./011000442 2!34(567(89':;,-34<3=.510080> AnApproach forLoad Modeling ofElectricVehicle Charging Station YANG Shaobing 1,WUMingli 1, JIANG Jiuchun 1, ZHAOWei 2 (1. Schoolof Electrical Engineering, BeijingJiaotongUniversity, HaidianDistrict, Beijing100044, China; 2. Electric PowerResearchInstitute ofGuangdongPowerGridCorporation, Guangzhou510080, GuangdongProvince, China) ABSTRACT: Toexecutelarge-scalechargingloadforecasting andevaluatetheinfluenceofchargingloadonpowergrid,the loadmodelingofelectricvehicle(EV)chargingstationisan followingfactors:theflowofEVdrivenintochargingstation, thedurationofchargingandchargingcapabilityofthestation, soitpresents acomplexcharacteristicsanditmakesdifficulties ,bymeansof analyzingtheinfluenceoftheflowofEVdrivenintocharging stationonchargingload,twomodelingmethodsbasedonthe descriptionofloadinchargingstationareproposed:oneof themisbasedonmathematicalformula,bywhichthecharging loadcanberapidlycalculatedundercertainpreconditions,and theanotherisamethodbasedonthesimulationofdynamic process,inwhichmultipracticalinfluencingfactorsaretaken ount;secondly,theapp
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