基于PSCAD_EMTDC的HVDC换流器触发控制建模仿真

PSCAD/EMTDCHVDC610031HVDCPSCAD/EMTDC。。HVDC。HVDCPSCAD/EMTDCAbstractInordertoaccuratelyanalyzethedynamicbehaviorofhighvoltagedirectcurrentHVDCandsolvetheproblemthatthefullpackageofconvertercomponentsinPSCAD/EMTDCsoftwarereducestheflexibilityofsimulationadetailedcon-verterfiringcontrolmodelisestablished．BasedoncustomcomponentthecontrolofevenlyspacinginphasewhichiswidelyadoptedbyactualHVDCtransmissionprojectisimplementedinthefiringcontrol．Theresponsecharacteristicsofthecontrolaspectsareanalyzed．TheconverterfiringcontrolisappliedtoHVDCmodelandthesimulationresultsarecomparedwiththerecordedfieldcommissioningcurvesofHVDCtransmissionproject．Thecomparisonresultsshowthattheaccuracyofthepro-posedcontrolmodelissatisfied．KeywordsHVDCconverterfiringcontrolevenlyspacinginphasePSCAD/EMTDCmodelingandsimulationTM771A1003－6954201701－0014－050highvoltagedirectcurrentHVDC、1－3。HVDC、4。InternationalCouncilonLargeElectricsystemsCIGＲEPSCAD/EMT-DCBenchmark5。。HVDC6－951307145。10、。11ABB。PSCAD/EMTDC。。1HVDC。12－151·41·40120172SichuanElectricPowerTechnologyVol．40No．1Feb．2017DOI:10.16527/j.cnki.cn51-1315/tm.2017.01.003αPCO。αPCO=Δα+1－kαPCO－1+kαPLL1Δα=Δφ－1－30°21Δαk0．05αPCO－1αPLL。2Δφ－1。2αoαPCOΔt。Δφ=αo－αPCO+30°3Δt=Δφ2πf43tf1tf。tf=tf1+Δt512Δφ30°αo－αPCO=0。αo－αPCO≠0。1～3Δφ≠30°Δφ30°。αPLL≠αPCO。1～3αPLLαPCOΔφ30°。22．1、αpLL、。PSCAD/EMTDC。2．1．11。。1。1。1PulseT_lastT_btw2tfiiEMTDCtf1tf2Sii。2“”“”“”tf1tf2tf1。2。10μs。2．1．2αpLL。3。32。4A、B、C、6·51·40120172SichuanElectricPowerTechnologyVol．40No．1Feb．20172UaAUbBUcCNext_vZc_t60°0°～360°。180°12。。4PLLPSCAD/EMTDC。2．1．11212。3。31－UCA5－UBC9－UA2－UBC6－UAB10UC3－UAB7－UC11－UB4UCA8UB12UA2．1．3。5。54。6。Δφ=30°4TTtfPul1。Δφ30°2。Δφnow≥ΔφΔφnow。。6127。Pre_vNext_vPii。Pre_vNext_v。Next_vPre_vPre_v120°Next_v。12。72．28。αoαPCOΔt。Δt。αPLL、Δφ－1·61·40120172SichuanElectricPowerTechnologyVol．40No．1Feb．2017αPCOαPCO。83。—±800kVPSCAD/EMTDC9。AC_1、AC_2、ACFDCF。、、。93．10．6s0．05s。αPCOαo10。αo5°αPLLαPCOαo30°15°αPCOαo。10αPCOαo11。αPCO、αoΔt1．64ms1．10ms。Δt。113．20．6s0．05s。—12。。。。、。0．1s、。41PSCAD/EMTDC·71·40120172SichuanElectricPowerTechnologyVol．40No．1Feb．20171234121HVDC。2。3。1．M．2004．2．J．20163671817－1827．3．J．20163671790－1800．4．J．2008321252－56．5．ATP/EMTPCI-GＲEHVDCJ．2010363796－804．6．±800kVJ．20123751359－1364．7．EMTDCJ．200832245－48．8．J．200832221－3．9FaruqueMOZhangYYDinavahiV．DetailedModelingofCIGＲEHVDCBenchmarkSystemUsingPSCAD/EMT-DCandPSB/SIMULINKJ．IEEETransactionsonPow-erDelivey2006211378－387．10．HVDCD．2011．11．J．2013373629－634．12ABBOverviewoftheHVDCControlsystemG．IJNL100033－106．13ABBConverterFiringControlTechnicalＲeportG．IJNL100037－013．14．M．2015．15．M．1998．1993。2016－10－27·81·40120172SichuanElectricPowerTechnologyVol．40No．1Feb．2017