电解用新型变流系统的谐波抑制和无功补偿研究

电解用新型变流系统的谐波抑制和无功补偿研究

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时间:2019-05-12

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1、湖南大学硕士学位论文电解用新型变流系统的谐波抑制和无功补偿研究姓名:邓淑娟申请学位级别:硕士专业:电气工程指导教师:罗隆福20090426电解用新型变流系统的谐波抑制和无功补偿研究AbstractWithuninterrIlpteddeVe】opmentofthepowerandelectrontechnologyandthecontroltechnique,itsapplicationalreadygoesdeepintotothemanufacturingproductionandthesocialIif.e,i

2、ncluding:EIectrochemistry,direct.currentdrive,altematingdriVe,electroplatingandelectro-machiningetc.SothatitbecomesthekeytechnologyinconVentionalindustriesandhighandnewtechnologyfields.HoweVer,thenegatiVeef.fecthasbeenalsograduallyobvious.Becausethepowerelectro

3、nicequipmentswitchingmotionhascausedlargeamountofharmonic,itresunsinthedistortionofVoltageandcurrentwaveformoftheACnetwofk,andqualityofpowereddrop.So,“isurgenttoeliminateharmonicandimprovepowerquality.Thispaperhasf.0urmajorcompositions:Thefirstpanisthefirstchap

4、ter,introducedthegeneralsituationofelectrolysisindustry,thepresentandtheimpIro、r锄enttrendathomeandabroad;PointedoutthecurrentpowersystemhamonicspollutionproblemsaswellasthedeVelopmentofharmonicsuppressionoVerview;AnalysisedtheconVertersystemharmonicgeneration、h

5、armandsuppressionmeasures;Expoundedthemeasuresandthecurrentsituationofharmonicsuppressionandreactivepowercompensation.Thesecondpartonlyincludesthesecondchapter.Itmainlydiscussesthenovelc伽Vertert豫nsf.0瑚er柚dc0盯espondinginductiVefilt撕ngtcchniqueinthenovelconVerter

6、system,whichusesthetransformer’sampere-tumbalanceandfull.tunablepassiVefilterdeVicetoachieVereactivepowercompensationandharmonicshielding;AndintroducedthenoVelconVertersystem’swiringmodeandfundamentalworkingprinciple;deducedthetransitiverelationofthevoltageandc

7、urrent.Thethirdpartincludesthethirdandthef10urchapters.BasedonthenovelconVertersystem’s,togetoutthesystem’sharmonictransfercharacteristic,(includingcharacteristicharmonic,non.characteristicharmonic.inter.harmonicandsub-harmonic)toproVideanimponantdesignparamete

8、roffhll—tunable6lterdesign;Andintroducedthedesignandreactive-loadcompensationschemeofthefilterdeViceinnoVelconvertersystem.ThefIourthpartisthefiRhchapter,toVa“datethesuperio

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