开关磁阻风力发电机系统仿真及控制方案优化

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1、北京交通大学硕士学位论文开关磁阻风力发电机系统仿真及控制方案优化姓名：王素杰申请学位级别：硕士专业：电机与电器指导教师：张奕黄20080601ABSTRACTABSTRACT：Astherepresentativeofmodernelectricalmachines，SwitchedReluctanceMachinescombinetheelectricalmachinetheorieswiththemodempowerelectronicstechniqueandtheadvancedmicr

2、oprocessorcontroltechnique,whichnotonlyhaslow··coststrongstructure,goodfault—tolerantandheat-resistantcapabilitybutalsohasexcellentcontrollability．Thus，theSwitchedReluctanceMachineasmotoriswidelyusedindrivesandspeedregulationfields．Inthesetenyears，mo

3、reandmoreattentionisalsopaidtoitsapplicationingenerationfields，whichinterestsmanyspecialistsandscholars．TheSwitchedReluctanceGenerator(SRG)anditscontrolsystemareresearchedinthisdissertation．Fromtheperspectivesoffluxlinkagepaths，theoperatingprincipleo

4、fSRGisanalyzedconsideringelectromechanicalenergyconversion．Itsoperationisstronglyaffectedbythenonlinearcharacteristicsofthemagneticmaterials，soitisdifferentfromnleconventionalmachine．BasedonFourierseriesexpansion,asimplifiedandfast-builtfluxlinkagean

5、alyticalmodelfortheSRGisproposed．ThenageneralsimulationmethodofSRGisestablishedonthebasisofsimplifiedflux—linkageanalyticalmodel．Inthisdissertation,thecontrolstrategiesandlawsoftheSRGarestudiedincluding．Inordertoacquireoptimalperformanceinallconditio

6、ns，basedontheoptimalcontrolofflux-linkage,asimplecontrollerisproposedthaton-linedeterminestheoptimalfiringangles．Optimalstaticanddynamicperformancesareattainedthroughtheoptimalalgorithm．Combinedwi廿1windturbinecharacteristics，allexperimentalresearchon

7、SRGisdevelopedbasedonmaximumpowercapture．Finally,adigitalcontrollerofSRGisdevelopedbasedonDSPandCPLD．Experimentshavebeendoneonthispracticalsystem．Theexperimentalresultsvalidatedanddeepenedtheconclusionsdrawnfromtheoreticalresearch．Thecomparebetweenth

8、eresultsfromexperimentsandsimulationalsotestifiedthepracticabilityofthemathematicalmodelspresentedinthispaper．KEYWORDS：SwitchedReluctanceGenerators；SystemSimulation；PerformanceOptimization；NonlinearmodelCLASSNo：TM352学位论文版权使用授权书本学位论文作者完全了解北京交通大学有关保留、使