··2012No.211987—。1976—。1959—。*5106700951167018XJEDU2009I04PSCAD*唐彬伟,袁铁江,晁勤,吐尔逊·伊不拉音(新疆大学电气工程学院,新疆乌鲁木齐830008)MPPTMPPTPSCADMPPT。。PSCADTM614+.2A1001-5531201221-0031-05SimulationModelsforPhotovoltaicandGrid-ConnectedSimulationBasedonPSCADTANGBinweiYUANTiejiangCHAOQinTUERXUNYibulayinCollegeofElectricalEngineeringXinjiangUniversityUrumqi830008ChinaAbstractThisarticlediscussedamathematicalphotovoltaicarraymodelconsideringthechangesinsolarfluctuationandtemperatureandthemaximumpowerpointtrackingMPPTalgorithmsbasedonincrementalconductancemethod.ThenbasedonthemathematicalmodelandtheMPPTalgorithmthesimulationmodelsofphotovoltaicarrayMPPTcontrollerandgrid-connectedphotovoltaicpowersystemwerebuiltinPSCAD.Thesimulationresultsshowtheaccuracyandeffectivenessofthemodel.KeywordsphotovoltaicarraymodelmaximumpowerpointtrackingMPPTphotovoltaicpowersystemPSCAD0。、、、、、、。、。、。1。、、。。MaximumPowerPointTrackingMPPT、、—13—2012No.21··、、。2MatlabMPPT3Matlab。4PSCADMPPT。5PSCAD。PSCAD/EMTDC、、。6。PSCAD/EMTDCMPPT。PSCADFortranMPPT。MPPTMPPT。11、Rsh、Rsr。1IUIscIdIsh7。11I=Isc-Id-Ish1IdIshI=Isc-IoexpU+IRsrnkTcq-1-U+IRsrRsh2IscGTcIsc=IscRGGR1+αTTc-Tc()[]R3IscR———GRTcRGR=1kW/m2TcR=25℃αT———A/℃2IoIo=IoRT3cT3c()Rexp1TcR-1T()cqeg[]nk4IoR———q———1.60e-19k———1.38e-23n———1.3eg———I-U。2I、U2。PSCAD。FortranPSCAD2。2—23—··2012No.212MPPT。MPPT、CVT、。。3。33ItUttIt-1Ut-1UrefΔU。。。FortranPSCADMPPT4。354MPPT。、DC/DC、DC/AC、。5DC/DCMPPTUIPWMPWMIGBT。DC/ACSVPWM。、86。64MPPTMPPT。4.1I-UMPPT7。—33—2012No.21··7I-UMPPTMPPTMPPT。I-UMPPT8。8500kW/m2800kW/m2。MPPTMPPT。8I-UMPPT4.29~16。200kWp380V11kV。910MPPT11121314—43—··2012No.21151610DC/DCMPPT17.5sMPPT2s。12、13。MPPT。14。15、16。5MPPT。MPPTPSCADMPPT。MPPTMPPT。。【】1.PSCADMPPTJ.2009371961-64.2.boostJ.200438355-57.3.PSCAD/EMTDCJ.2010381776-81.4.MPPTMatlabJ.2005.1751248-1251.5AZEVEDOGMSCAVALCANTIMCOLIVEIRAKCetal.EvaluationofmaximumpowerpointtrackingmethodsforgridconnectedphotovoltaicsystemsC∥IEEEPowerElectronicsSpecialistsConferencePESC2008200814561462.6.J.201038425-30.7FIGUERESEGARCERGSANDIAJetal.Modellingandcontrolofa100kWphotovoltaicinverterwithanLCLgridfilterfordistributedpowersystemsC∥PowerElectronicsandApplications2007EuropeanConference20071-10.8PARKSKIMSYJANGSJetal.HardwareimplementationofoptimizationtechniquebasedsensorlessMPPTmethodforgrid-connectedPVgenerationsystemC∥InternationalConferenceonElectricalMachinesandSystems20091-6.收稿日期:2012-09-25—53—