三相电压源逆变器 三种方波调制算法的仿真分析(下)  

Analysis of Three Square-wave Modulation Algorithms for Three-phase Voltage Source Inverter by Means of Simulation

作　　者：马红星[1] 李华武[1] 杨喜军[1] 

机构地区：[1]电力传输与功率变换控制教育部重点实验室/上海交通大学电气工程系

出　　处：《变频器世界》2012年第9期75-80,共6页The World of Inverters

基　　金：2011年闵行区技术创新项目-企校合作专项(2011MH101)支持

摘　　要：根据桥臂中点目标电压波形的不同,三相电压源逆变器具有多种调制方式,如方波调制、梯形波调制、SPWM调制和SVPWM调制等。本文从学习的角度,采用仿真方法分析了三相电压源逆变器采用方波调制时120°、150°和180°导电方式的工作原理,并进行了简单的比较分析。With different target waveforms of the midpoint of the bridge legs,threephase voltage source inverter(VSI) has various types of modulation algorithms,such as square-wave modulation,trapezoidal-wave modulation,SPWM modulation and SVPWM modulation.From the point of view for study,the paper presents the operation principle analysis of three-phase voltage source inverter when square-wave modulation with 120°conduction,150°conduction and 180°conduction by means of simulation,respectively. Then a brief comparative analysis is also provided.

关 键 词：电压源逆变器 方波调制 °导电 °导电 °导电 

分 类 号：TM464[电气工程—电器]