hxd1c型机车辅助变流器输出对地电压过高成因分析

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1、万方数据西南交通大学硕士研究生学位论文第¨页AbstractWiththespeedingupofthedevelopmentofhigh-powerelectriclocomotivelocalization，bydigestingandabsorbingforeigntechnology，anElectricLocomotiveCo．，Ltd．OfCSRhasdevelopedtheHXD1Celectriclocomotivewhoselocalizationratehasbeenninetyp

2、ercents．Ithasthemilestonesignificance．ThefirstbatchhasbeendeliveredtoabureauofChengduRailwayLocomotive，asthemainmodelstoundertakethisfreightlocomotivestask．ButthefirstbatchofHXD1Clocomotiveshavemanyaccidentswhenworking，especiallyauxiliarysystemloadfanbu

3、mingaccidents，whichmakesthelocomotivesofthistypestopforatime．Atpresent，thisbatchoflocomotives‘fansareinsulation、析mgroundbyinsulationmaterials．AlthoughitCallworknormally,butthereasonthatthevoltageoffanwindingtogroundraisedhasn’tbeenfound，andposeasafetyha

4、zard．Firstly,thispaperintroducestheauxiliarycircuitsystemanddescribesthephenomenonofthefault．AccordingtothecircuitdiagrambymodelingandsimulationinSimulink，wecangetsimulationwaveformssameasfieldmeasured，provedthecorrectnessofthissimulationmodel．Then，anal

5、ysiseachcircuitstateofrectifierandinvertermoduleincurrenttransformer．Throughanalysisingthedataofrectifierandinverteroneachswitchtube’Sonandoffmodules，comparethevoltageoffanwindingtogroundwhensinglecurrenttransformerworksandbothtwowork，thenfindandexplain

6、thereasonsforthisphenomenon．Accordingtothereason，putforward2solutionprogram．Verifytheeffectofthetwokindsofschemesbysimulation，thenprovesthatboththesetwoschemesCansolvethefault．Inaddition，analysistheadvantagesanddisadvantagesofthesetwoschemes．Keywords：HX

7、DlC；Auxiliaryinverter；Fanburning；ModelingandSimulation万方数据西南交通大学硕士研究生学位论文第川页目录第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．1课题研究的背景和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．2国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．21．3论文主要工作⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．4第2章HXDlC辅助电路的概述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、62．1机车辅助电路⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．62．1．1机车辅助电路的介绍⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯62．1．2机车辅助电路的组成⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯62．2TGF54型辅助变流器⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．82．2．1TGF54辅助变流器系统功能简介⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82．2．2TGF54辅助变流器外观图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82．2．3辅助变流器各项参数指标