基于MATLAB的电力系统稳态仿真分析

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MATLAB(,330032):、π、,Matlab/Simulink,Powergui,,,。:MATLAB;;;:TM743:A:1673-0097(2010)03-0080-030,。,、。,π,π、。,[1]。MATLAB,PSS、,MATLAB[2]。,,,,。MATLABSimulink,,Powergui,,,,[3]。11,220kV、200km、LGJ-300,0.105Ω/km,0.42Ω/km,2.71×10-6S/km[1]。:2010-05-07:(1971-),,,,.1JournalofJiangxiVocationalandTechnicalCollegeofElectricity23320109Vol.23No.3Sep.2010+-V+-VV1Gain11V2Gain21VIPQActive&ReactivePowerScopeRLCLoadContinuouspowerguiSeriesRLCBranchPiSectionLineVsi-+I2180kV,50Hz,0°。,π,π2,:50Hz,0.105Ω/km,0.00127H/km,8.63×10-9F/km,200km,1。RLC,100+j75MVA,127kV。2π2Powergui,Continuous,“”,,3。3,V1、V2、,4。PI、PI、、。4πPI109.13∠-18.18°kV,845.73∠-55.05°A,36.92+j27.69MVA。Powergui,4。,。Powergui,“,“tozero”,0,,,;,,,590°。531:、10π、,。DistributedParametersLine:1,50Hz,0.105Ω/km,0.00127H/km,8.63×10-9F/km,200km。10π2:MATLAB3×10-5×10-5×10-7×10-7210-1-2210-1-2420-23210V1V2PQ0.050.10.150.20.250.30.350.40v1v2p×105×10-5×10-7×10-7420-2-4420-24321032100.020.040.060.080.10.120.140.160.180.2Q081SteadyStateSimulationAnalysisofPowerSystemBasedMATLABTAOHai-ying(JiangxiVocationalandTechnicalCollegeofElectricity,Nanchang330032,China)Abstract:Thisarticleanalyzesthemodelsofthedifferentlines,distributedparametersline,π-typeequiva-lentcircuitandseriesimpedancecircuitlumpedparameter.ItestablishsaMatlab/Simulinkdynamicsystemmodelingsoftware-basedobject-orientedpowersystemsteady-statesimulationcircuit.Itanalyzesthesteady-statecircuitwithPowerguimodulevoltageandcurrent.Thestudentshaveanintuitivefeelinganddeepunder-standingoftheoreticalknowledgeofpowersystem.Keywords:MATLABsimulation;transmissionLine;equivalentcircuit;Steady-stateanalysis10。SericesRLCBranch:21Ω,0.254H,inf。“”,V1、V2、I21。1,、10π、1π;1π,;,,:2.19%,2.18%,110~330kV、100~300km,,π。4,,。,MATLABSimulink,、,,,。:[1].[M].:,2005:31-33,38[2].MATLAB[J].,2008,18(34).[3],,.MATLAB/SIMULINK[M].:,2008:199-202.[]V1/kVV2/kVI2/A166.83109.13845.7910π166.83109.13845.721π166.83109.13845.73165.76106.74827.272382

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