目录 交直流调速课程设计任务书············································1 1、题目：双闭环可逆直流脉宽 PWM 调速系统设计···························1 2、设计目的··························································1 3、系统方案的确定····················································1 4、设计任务··························································1 5、课程设计报告的要求················································1 6、参考资料··························································2 双闭环可逆直流脉宽 PWM 调速系统设计··································3 1、设计分析··························································3 1.1 双闭环调速系统的结构图········································3 1.2 调速系统起动过程的电流和转速波形······························3 1.3 H 桥双极式逆变器的工作原理·····································3 1.4 PWM 调速系统的静特性···········································5 2、电路设计··························································6 2.1 给定基准电源··················································6 2.2 双闭环调节器电路设计··········································7 2.2.1 电流调节器············································...
