基于PCHD双馈感应发电机的L2增益控制研究

《基于PCHD双馈感应发电机的L2增益控制研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、AbstractWindpowerisoneofthemostimportantGreenenergy,intheenergycrisisandgrowingenvironmentalpollutionsituation，thewindpowertechnologyisanunprecedentedpaidcloseattention．Inthispaper,themaincontentistheoperationcontrolofdoubly—fedinductiongenerator(DFIG)whichisusuallyusedinthevariable-speed-constant

2、—frequencyVSCFwindpowersystem，ApplyingtheHamiltoniansystemtheoryandmethodsofL2-gaindisturbancesattenuation，theDFIGwindpowersystemcontrollerisdesigned，andtheStabilityofsystemisanalyze．AtthesametimethedesignforthesystemissimulatedintheMatlab／Simulinksoftwaresimulationenvironment，Thesimulationresults

3、showthatthelargestwindenergycaptureaswellasIndependentreactivepowerregulationisachieved．Ithasacertainreferencevalueforengineeringapplication，hascertainreferencevalue．Themainissuesinthispaperarefocusedon：ofthetheoreticalbasisareFirstly,APCHcontrolmethodandL2disturbanceattenuationintroducedandthePCH

4、Dmodelofnon—linearsystemisgiven．Secondly,EstablishedtheDFIGdynamicmathematicalmodelindifferentcoordinatessystem，andconstructedandbuiltupaPCHstructureoftheDFIG．establishedthewindturbinesVSCFwindpowersystemmodelwhichareConstructedbytheDFIG,bi—directionalpowerconverter．Andthedescribedthesuper-synchro

5、nyandsub—synchronyoperationofDFIG(electricpowerstateandpowerstate)andtherelationshipbetweentheenergyflows．Thirdly,undertheDFIGmathematicalmodelwhichisintheformofPCHDstructure，usingthestateerrorPCHDcontroltheoryandtheprincipleofL2disturbanceattenuation，designedthePCHcontrollerandL2controllergainoft

6、hevariablespeedconstantfrequencywindpowergenerationsystem，andfinallythetotalsystemcontrollerisgiven．Fourthly，introducedthevoltagespacevectorpulsewidthmodulation(SVPWM)principleandstudiedachievementofthevoltagespacevectorpulsewidthmodulation(SVPWM)ofthetransmissionsystem．AndgivethesimulationfortheD

7、FIGwindpowersystemintheMatlab／Simulinkenvironment．ThesimulationresultsshowthatthemethodiSfeasible．Finally,theresearchworkofthisarticleissummarized；somestudymethodsandfutureresearchdirectionsofthesystemareputforwa