2013届本科毕业设计三相桥式整流电路及其滤波器的设计院（系）名称物理与电子信息学院专业名称电气工程及其自动化学生姓名学号指导教师完成时间2013年5月8日1三相桥式整流电路及其滤波器的设计物理与电子信息学院电气工程及其自动化专业学号：指导教师：摘要：本文在对三相桥式全控整流电路的理论分析的基础上，采用Matlab的可视化仿真工具Simulink建立了三相桥式全控整流电路的仿真模型，对输出电压、电流、控制角、以及负载特性进行了动态仿真与研究。仿真结果和理论计算结果一样，从而证明了仿真结果的有效性和精确性，加深了对三相桥式整流电路的认识和理解，同时对系统的的无功和谐波进行了仿真分析；然后根据无功补偿和滤波的需要提出了无源滤波器的参数确定方法；接着设计出了各次无源滤波器，并将其接入系统，通过仿真分析验证其无功补偿和滤波的可行性，达到了对三相交流电整流和对谐波电流滤除的效果。关键词：整流电路；Simulink；谐波；无源滤波DesignofThree-phaseBridgeRectifierCircuitandFilterCollegeofPhysicsandElectronicInformationElectricalEngineeringandAutomationNo:Tutor:Abstract:Thepaperbasedontheanalysisofthethree-phasebridgecontrolledrectifiercircuittheory,UsingthevisualizationsimulationtoolSimulinkofMatlabestanlishthree-phasebridgecontrolrectifiercircuit.Thedynamicsimulationandanalysisofontputvoltage，current,andloadcharacteristicwereperformed.thesamearesimulationresultsandtheoreticalcalculationresults,demonstratingtheaccuracyandeffectivenessofthesimulationresults,atthesametimedeepingtheunderstandingofthethree-phasebridgerectifiercircuit,andthensimulintandanalyzethereactivepowerandharmonicsofsystembeforefiltering;Secondlydeterminetheparametersofpassiveharmonicfilters;Thirdlyconnectthefilterstothesystemtosimulateandanalyzetheeffectofreactivepowercompensationandharmonicsuppression,reachedtotheeffectofthethree-phasealternatingcurrentrectifierandtheharmoniccurrentfilter.Keywords:Rectifiercircuit;Simulink;Harmonic;Passivefilter目录摘要............................................................................................................................................121引言..........................................................................................................................................32基于Simulink的三相桥式整流电路建模及仿真分析.........................................................32.1三相桥式整流电路原理.......................................................................................................32.2三相桥式整流电路建模及参数设置...................................................................................42.2.1Matlab/Simulink简介........................................................................................................42.2.2基于Simulink的建模.......................................................................................................52.3三相桥式整流电路的Simulink的仿真分析......................................................................52.3.1在纯电阻负载时不同触发角的仿真分析........................................................................52.3.2在电阻电感负载时不同触发角的仿真分析....................................................................83三相桥式整流电路的谐波电流的分析及滤除....................................................................113.1谐波概念及产生原因和危害.............................................................................................113.2三相桥式整流电路的谐波电流的仿真分析................................
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