目录第 1 章 绪论..........................................................................................................11.1 论文讨论背景..........................................................................................11.2 国内外讨论现状......................................................................................21.2.1 国外讨论现状...............................................................................21.2.2 国内讨论现状...............................................................................21.3 论文主要内容..........................................................................................2第 2 章 异步电机调速系统方案选择..................................................................42.1 沟通调速系统..........................................................................................42.2 沟通调速方案..........................................................................................52.2.1 调压调速.......................................................................................52.2.2 串级调速.......................................................................................52.2.3 变级调速.......................................................................................62.2.4 电磁调速.......................................................................................72.2.5 变频调速.......................................................................................72.3 沟通调速方案确定..................................................................................8第 3 章 异步电机的变频调速..............................................................................93.1 异步电机物理模型..................................................................................93.2 变频控制方式选择................................................................................103.2.1 直接转矩控制方式.....................................................................113.2.2...
