直驅(qū)同步風(fēng)力發(fā)電變流器控制研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文直驅(qū)同步風(fēng)力發(fā)電變流器控制研究姓名：劉繼宗申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電力電子與電力傳動(dòng)指導(dǎo)教師：郭小舟20100401西南交通大學(xué)碩士研究生學(xué)位論文第1|頁(yè)AbstractWiththegradualexhaustionofpetroleumenergyandtheenvironmentpollution，theexploitationofcleanenergyrepresentedbywindpowerdevel

2、opedquicklyintheworldwideBeingabundantinwindpowertheexploitationofwindpowerwillimprovetheenergystructureofourcountryandeasethepowershortageWiththisbackgroundthisthesischoosesthissubjectOnthebasisofanalyzingandinvestigate

3、thegenerator’SsideconvertertopologyandcontrolofdirectdrivensynchronouswindpowergenerationsystemandwiththeclassicPWMback—to—backstructureasprototypethisthesisemploysthestructurebasedonthecommonDCbusdirectdrivensynchronous

4、windgenerationunitsidewindturbineandregulatorparallelmechanismThisthesisemploysthemethodwhichissuitableforthiswindpowersystem’Smaximumoutputpowerpoint，tocontrolgeneratorandsideconverter；andanalyzestheproblemsofrecirculat

5、ionandcurrentsharingwhichmaybecausedbyregulatorparallelmechanism，andsolutionsThroughanalysis，byadoptingthemethodofparallelpowerautomaticmatchingbalance，thisthesisverifiesthefeasibilityofgeneratorsidewindturbineandrecircu

6、lationandregulatorparallelmechanismThealternatecurrentlinesiderealizesthedecouplingcontrolofactivepowerandreactivepowerthroughdoubleclosedloopandthestabilityofdirectcurrentvoltagesatthesametimeThisthesisfirstintroducesth

7、etechniquesofwindpowerconverterathomeandabroad，thetechniquesofacquiringofmaximumpowerandtheresearchsituationofpublicDCcommonbustechniquesAndthegeneratorsideconverterparalleltopologystructurebasedonpublicDCcommonbusChapte

8、rTwoamplifiestheacquiringofmaximumwindpowerpointandmaximumpowerofpermanentmagnetsynchronouswindpowersystemThetheoryofwindpowersystem’Smaximumwindpowerpointcontrolisinvestigatedandthefrequentlyusedclassiccontr01meth【odsat

9、homeandabroadarealsostudiedChapterThreeinvestigatesgeneratorsidemultiwindturbineandmultirectifiermoduleparallelstructureOnthebasisofconstructingmathematicsmodelforrectifierandgeneratorthecontrolstrategyofpermanentmagnets

10、ynchronousgeneratorandtherealizationofmaximumwindpowerpointcontrolarestudiedTheauthorconcentratesontheproblemsofcurrent—sharingwhicharecausedbythisparallelstructureandprovidesthesolutionofpowerautomaticmatchingChapterFou