基于可變電抗的靜止無功補(bǔ)償器拓?fù)浣Y(jié)構(gòu)研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文基于可變電抗的靜止無功補(bǔ)償器拓?fù)浣Y(jié)構(gòu)研究姓名：謝娜申請學(xué)位級(jí)別：碩士專業(yè)：電力電子與電力傳動(dòng)指導(dǎo)教師：袁佑新20100401ABSTRACT111pcwetsystem。therealealotofreactivepowerconsumptionofequlpment，theuseofmesedeviceswillmakeadramaticfluctuationsinsupplyvoltage，SUchasmei

2、mpactofreactivepowerload：rollingmachine，electricarcfumaces，elec饑candrailwavMeanwhile，therearealargenumberofusersonthesystemvoltagestabilityofrlighprecisionequipmentrequirements：suchascomputers，medicaleqmpmentnreac舡vepowe

3、rcannotbecontrolledintime，willbeonthegridsecuritystabilityadverselyaffecttheoperationInadditiontheshortageofreactivepowerreserveswillleadtoalowerlevelofpowervoltageForthesereasons，howquicklyandeffectivelycompensatereacti

4、vepowersystemgaphasimportantpractlcalsignificanceThevariablereactorbasedonpowerconversionconsistsofVartabIereactanceconverterandelectronicpowerinverterTheintelligentcontrollercontrolselec仃0nicpowerinverterinordertochange

5、theelectriccurrentinthesecondsldeofv羽jablereactanceconverterthentheoneintheprimarysideCanbechanged，consequentlytheimpedanceofvariablereactorcarlbechangedFirstlyitexplainsthedifferenttypesofshuntstaticreactivepowercompens

6、atlondeVi∞sm血circuittopologythebasicoperationprincipleandthereactivepowercontrolprocess111饑forlargeelectricalequipmentandindustrialpowerdistributionsystemmn地f瓠reactiVepowercompensationproblemavariableimpedancedeviceSVCap

7、pearsConstructionofvariableimpedancebasedstaticvarcomp饑Sator砌itecture，staticVarcompensatorcallbetransformingthemainreactorbythefixedcaDacitofsandintelligentcontrollerandothercomponentsThroughintelligentconholofpowerelect

8、ronicpowerconvertercontrollertransformerreactorc鋤ch孤gethesecondarywindingcurrent，thuschangingthereactorCanbeatrans士_0眥erwiIldingcurrenttoachieveimpedancevariableWhentheinputvoltagelSconstant，仃anSfo礎(chǔ)greactortoachieveadmit