交流传动能量互馈平台的异步电机最小定子电流矢量控制研究

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1、北京交通大学硕士学位论文交流传动能量互馈平台的异步电机最小定子电流矢量控制研究姓名：邵闻博申请学位级别：硕士专业：电力系统及其自动化指导教师：游小杰20071201jE塞銮通太堂亟±j幺塞剑匿卫l丛互ABSTRACT：ACdrivetechnologyhasbeentheevolutiondirectionofrailwaylocomotivesinChina,thesameastherailwaytrafficdevelopedcountri鼯，becauseofitseconomicalandtechnicalsuperiorities．ACdrive

2、testfigswithequivalentpoweraleneededtOprovidegoodtestsitefortheresearch，developmentandproductionofhJ【ghpowerACdrivesystems。Sothisdissertationmakessomeresearchesonatwininverter-motorreciprocalpower-fedACdrivetestsystem．AndtheminimumstatorcurrentcontrolhasbeenprovedthatthisschemeWas

3、effective．Allofthisispreparedforthebigpowersysterm．First，themethordofimprovingmotor'sefficiencyandthesuggestionofminimumstatorcurrenthavebeensimplyintroducedinthepaper．Then,thisdissertationexpatiatesontheworkprincipleandenergyconservingprincipleofthereciprocalpower-fedtestsystem，p

4、roposestheassociatedcontrolstrategyoftwinmotorsbased011vectorcontrol-Testresultsshowthattwininverter-motorsreciprocalpower—fedsystemusingtheabovecontrolstrategyhasgoodsteady·stateperformance,goodfeaturesofspeedandloadtorqueadjustment．Second，inthispaper,thevectorcontrolisfirstintrn

5、duced,andthenwethoroughlyanalyzeandpreparetheliteraturesonMaxTorquePerAmpere(MTPA)contr01．Basedonthem，aminimumstatorcurrentcontrolstrategyofasynchronousmotorOillight-loadandsteadystateispotforward,andalsothemathmodel．Theminimumstatorcurrentcontrolschemedesignedinthepaperissimulate

6、dbyMatlab．Theresnltindicatethatitnotonlydecoupledthemagneticfluxandtorquebutalsoimprovedmotor’Sefficiency．AndtheexperimentprovedthattheMTPAcanbeusedinpraxis．AlsofoundthatWecanachievetheminimumstatorcurrentcontrolunderlightloadcunditionaswished．KeyWords：ACdrivetestsystem，reciprocal

7、power-fed,inverter，asynchronoustractionmotor,vectorcontrol，miILimumstatorcurrent学位论文版权使用授权书本学位论文作者完全了解北京交通大学有关保留、使用学位论文的规定。特授权北京交通大学可以将学位论文的全部或部分内容编入有关数据库进行检索，并采用影印、缩印或扫描等复制手段保存、汇编以供查阅和借阅。同意学校向国家有关部门或机构送交论文的复印件和磁盘。(保密的学位论文在解密后适用本授权说明)靴敝储繇研I'栅签字日期：，司年lj月加日导师躲烁．蕴签字日期：沙刁年f瑚1f，独创性声明本人

8、声明所呈交的学位论文是本人在导师指导下进行的研究工作和取得的研究成