目 录
1 总体设计..........................................................................................................................................1
1.1 设计目的...............................................................................................................................1
1.2 设计内容...............................................................................................................................1
1.3 设计方案...............................................................................................................................1
1.4 器件清单...............................................................................................................................2
2 主电路设计......................................................................................................................................4
2.1 三相桥式全控整流电路.......................................................................................................4
2.2 有源逆变工作原理...............................................................................................................5
3 参数计算..........................................................................................................................................7
3.1 整流变压器的选择...............................................................................................................7
3.2 晶闸管的选择.......................................................................................................................8
3.3 平波电抗器的选择...............................................................................................................8
4 触发电路设计................................................................................................................................10
4.1 集成触发电路.....................................................................................................................10
4.2 集成触发器电路图.............................................................................................................10
5 保护电路设计................................................................................................................................12
5.1 晶闸管的过电压保护.........................................................................................................12
5.2 晶闸管的过电流保护.........................................................................................................12
6 MATLAB 建模仿真.......................................................................................................................14
6.1 MATLAB 简介....................................................................................................................14
6.2 MATLAB 建模....................................................................................................................15
6.3 MATLAB 仿真结果分析...................................................................................................17
7 结论................................................................................................................................................19
参考文献...........................................................................................................................................20
致 谢..................................................................................................................................................21