欧洲风能技术论文122_eweca_non-linear_control_algorithm_for_improving_performance_of_wind_generator_using_doubly-fed

欧洲风能技术论文122_eweca_non-linear_control_algorithm_for_improving_performance_of_wind_generator_using_doubly-fed

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时间:2019-07-26

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1、ANON-LINEARCONTROLALGORITHMFORIMPROVINGPERFORMANCEOFWINDGENERATORUSINGDOUBLY-FEDINDUCTIONGENERATORINSTITUTEOFELECTRICALPOWERENGINEERINGChairElectricDrivesandBasicsofElectricalPowerEngineeringM.Sc.Phung,NgocLanAthens,Feb/Mar.2006IntroductionConventionalc

2、ontrolofdoublyfedinductionmachine(DFIM)inwindgeneratorBasedonthecontinuousordiscreetmodelofDFIMDecouplinginactive-andreactivepower(P&Q)controlAvoltagedip–whathappened?Anewcontrolscheme!DecouplingofP&QisguarantedBetterperformanceindynamicaloperationmodeN

3、on-linearcontrolofDFIMwithExact-LinearizationCurrentmodelofDFIMisabletobeexactlylinearized!AnewcurrentcontrolleriswithonlyP-TypecontrollersThecompletecontrolstructureissimple.Decouplingisguaranteed-„Direct-Decoupling“2Anon-linearcontrolalgorithmforimpro

4、vingperformanceofwindgeneratorusingdoubly-fedinductiongeneratorContentsDFIM–Modelanditscharacters.ConventionalcontrolofDFIMinwindgenerator„Exact-Linearization“–ConceptandimplementationwithDFIMControlstructurewith„Direct-Decoupling“Conclusionandprospects

5、3Anon-linearcontrolalgorithmforimprovingperformanceofwindgeneratorusingdoubly-fedinductiongeneratorContentsDFIM–Modelanditscharacters.ConventionalcontrolofDFIMinwindgenerator„Exact-Linearization“–ConceptandimplementationwithDFIMControlstructurewith„Dire

6、ct-Decoupling“Conclusionandprospects4Anon-linearcontrolalgorithmforimprovingperformanceofwindgeneratorusingdoubly-fedinductiongeneratorControlsystemofDFIMinwindgeneratorPMPowermodule;SSwitch;LInductorMicrocontroller3~3~PM3~SDFIMnPMTransformerLUdcUsUnIrI

7、s5Anon-linearcontrolalgorithmforimprovingperformanceofwindgeneratorusingdoubly-fedinductiongeneratorDemonstrationofvoltage-,flux-andcurrentvectorin d-qcoordinator6Anon-linearcontrolalgorithmforimprovingperformanceofwindgeneratorusingdoubly-fedinductiong

8、eneratorElectricalmodelofDFIMind-qcoordinator7Anon-linearcontrolalgorithmforimprovingperformanceofwindgeneratorusingdoubly-fedinductiongeneratorElectricalmodelofDFIMinstate-spaceRotorangularspeed:InputvariableofthemodelModelofDFI

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