三相桥式pwm逆变电路

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1、《电力电子技术》课程设计说明书三相桥式PWM逆变电路的设计院、部：电气与信息工程学生姓名：刘远治指导教师：桂友超职称副教授专业：电气工程及其自动化班级：电气本1104班完成时间：2014年06月摘要本文设计了一个三相桥式PWM控制的逆变电路。PWM控制就是对脉冲的宽度进行调制的技术,如果脉冲的宽度按正弦规律变化而和正弦波等效的PWM波形,也称为SPWM波形。该设计包括主电路、驱动电路、SPWM信号产生电路、过流保护等方面的设计。该逆变器主电路采用的开关器件是IGBT；如需实物制作，驱动电路可采用现在大功率MOSFET、IGBT专用驱动芯片IR2110；

2、PWM信号产生电路可采用CD4538芯片控制产生。关键词：三相桥式；主电路；IR2110；CD4538AbstractThispaperdesignedathree-phasePWMcontrolledinverterbridgecircuit.PWMcontrolisonthepulsewidthmodulationtechnology,ifthepulsewidthchangesaccordingtosinelawandthesinewavePWMwaveformequivalent,alsoknownasSPWMwaveform.Thedesig

3、nincludesthemaincircuit,drivercircuit,SPWMsignalgenerationcircuit,over-currentprotectionandotheraspectsofdesign.TheinvertermaincircuitusesIGBT;Ifyouneedmakeitreal,drivercircuitcanusehigh-powerMOSFET,IGBTdedicateddriverchipIR2110;PWMsignalgenerationcircuitcontrolledbytheCD4538chi

4、pproduced。Keywordsthree-phasebridge;maincircuit;IR2110;CD4538目录1绪言............................................................12主电路设计......................................................22.1主电路原理图.................................................22.2原理分析.........................

5、............................22.3参数计算.....................................................32.4器件选择.....................................................33控制电路设计....................................................43.1电路原理框图.................................................43.2电路原理图.

6、..................................................43.3原理分析.....................................................43.4主要器件介绍.................................................54保护电路的设计..................................................64.1保护电路的作用.......................................

7、........64.2电路原理图...................................................64.3原理分析.....................................................65仿真分析........................................................75.1仿真模型的建立方法...........................................75.2仿真电路模型......................

8、...........................75.3仿真效果图...........