磁閥式可控電抗器的數(shù)學(xué)分析及仿真研究.pdf

1、華北電力大學(xué)（北京）碩士學(xué)位論文磁閥式可控電抗器的數(shù)學(xué)分析及仿真研究姓名：周麗霞申請學(xué)位級別：碩士專業(yè)：電力系統(tǒng)及其自動化指導(dǎo)教師：尹忠東20060601華北電力大學(xué)碩士學(xué)位論文摘要本文研究了磁閥式可控電抗器的基本結(jié)構(gòu)和工作原理，建立了數(shù)學(xué)模型，在此基礎(chǔ)上對其工作特性進(jìn)行了全面分析，首次提出了采用移相繞組方式抑制可控電抗器自發(fā)諧波的方法，并進(jìn)行了理論分析和數(shù)學(xué)推導(dǎo)。此外，對磁閥式可控電抗器的快速勵磁方法進(jìn)行了探討，理論分析表明，可控電抗

2、器配合適當(dāng)?shù)目刂瓶梢赃_(dá)到很快的響應(yīng)速度。論文最后提出了采用H無窮控制和特殊快速勵磁電路實現(xiàn)基于可控電抗器的電壓波動與閃變抑制的應(yīng)用研究，通過EMTDC／PSCAD的仿真驗證了該方法的有效性和正確性。關(guān)鍵詞：可控電抗器，移相繞組，諧波抑制，快速勵磁，電壓波動與閃變ABSTRACTInthisthesis，thebasicstructureandtheoperationprincipleofmagneticvalvecontrollable

3、reactorarestudied，andthemathematicmodelisalsoestablishedOnthebasisofthese，theworkingcharacteristicsareanalyzedcompletelyAneffectivemethodofrestrainingtheharmonicsofthecontrollablereactorpouredintopowergriditselfbyusingph

4、aseshiRingwindingispresentedforthefirsttime，andcorrespondingworksuchasthetheoreticalanalysisandmathematicderivationhavebeendoneinthefollowingFurthermore，thehi曲speedexcitationofmagneticvalvecontrollablereactorisalsodiscus

5、sed；thetheoreticalanalysisindicatesthatthecontrollablereactorcangetaveryfastrespondvelocitywithacertaintypeofcontrolstrategyHcontrolstrategyandthespecialhighspeedexcitationcircuitareadoptedtoachievethesuppressionofthevol

6、tagefluctuationandflickerbasedoncontrollablereactor。TheEMTDC／PSCADbasedsimulationresultsverifytheeffectivenessandcorrectnessoftheproposedschemeZhouLixia(Electricalpowersystemanditsautomation)DirectedbyviceprofiYinZhongdo