目录
目录
工程背景...................................................................................................1
1 设计原理................................................................................................2
1.1. SPWM 逆变电路及其控制方法........................................................2
1.2 逆变电路.......................................................................................2
1.3 三相电压型桥式逆变电路.................................................................3
2 设计方案及器件选择................................................................................7
2.1 逆变器主电路设计及相关参数...........................................................7
2.2 脉宽控制电路的设计及相关参数........................................................8
2.2.1 SG3524 芯片.......................................................................8
2.2.2 利用 SG3524 生成 SPWM 信号....................................................9
2.2.2.1 调制波及载波的产生............................................................9
2.3 驱动电路的设计及相关参数..............................................................9
2.3.1 驱动电路............................................................................10
2.4 经济性分析..................................................................................11
2 软件仿真..............................................................................................12
2.1 Simulink 仿真.............................................................................12
3 总结....................................................................................................14
参考文献.................................................................................................15
评论1