三相逆变器SPWM的仿真

目录

一 摘要................................................................................................... 2

二 三项逆变器SPWM调制原理...........................................................2 三 SPWM逆变电路及其控制方法.......................................................2

3.1SPWM包括单极性和双极性两种调制方法.....................................................2

3.2 调制法.................................................................................................................3

3.3特定谐波消去法..................................................................................................4

四 三相桥式逆变器SPWM调制的仿真型........................................5

封装模块...................................................................................6

4.2SUBSYSTEM1封装模块.................................................................................7

4.1SUBSYSTEM

五 三相桥式逆变器SPWM调制的仿真波形....................................7

六频谱分析...........................................................................................14

6.1 对相电压UN’ 、VN’ 、WN’输出电压进行谐波分析................................14

6.2 对负载的线电压UUV、UVW、UWU的输出波形进行谐波分析.................16

6.3 负载VN的相电压UN、VN、WN输出波形进行谐波分析.......................17

七结 语.................................................................................................19

八 参考文献.........................................................................................19