倍频单极性SPWM调制法逆变器设计.doc
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倍频单极性SPWM调制法逆变器设计
目 录
1 设计要求.................................................................................................................. 1
2 逆变器控制方式选择.............................................................................................. 1
3 方案设计.................................................................................................................. 2
3.1系统总体框图................................................................................................... 2
3.2主电路的设计................................................................................................... 3
3.3 DSP的选取 ...................................................................................................... 4
3.4驱动电路的设计............................................................................................... 5
3.5采样电路........................................................................................................... 6
3.6保护电路........................................................................................................... 6
4 元件参数计算
4.1输出滤波电感Lff4.2变压器的设计8
4.3功率开关的选择............................................................................................... 8
5 仿真结果.................................................................................................................. 9
5.1驱动波形........................................................................................................... 9
5.2功率开关器件两端的电压波形..................................................................... 10
5.3逆变器输出波形............................................................................................. 10
6 结论........................................................................................................................ 11
参考文献.................
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