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目录
第 1 章 绪论...........................................................................................................1
1.1 论文研究背景..........................................................................................1
1.2 国内外研究现状......................................................................................2
1.2.1 国外研究现状...............................................................................2
1.2.2 国内研究现状...............................................................................2
1.3 论文主要内容..........................................................................................2
第 2 章 异步电机调速系统方案选择...................................................................4
2.1 交流调速系统..........................................................................................4
2.2 交流调速方案..........................................................................................5
2.2.1 调压调速.......................................................................................5
2.2.2 串级调速.......................................................................................5
2.2.3 变级调速.......................................................................................6
2.2.4 电磁调速.......................................................................................7
2.2.5 变频调速.......................................................................................7
2.3 交流调速方案确定..................................................................................8
第 3 章 异步电机的变频调速...............................................................................9
3.1 异步电机物理模型..................................................................................9
3.2 变频控制方式选择................................................................................10
3.2.1 直接转矩控制方式.....................................................................11
3.2.2 矩阵式控制方式.........................................................................11
3.2.3 电压空间矢量 SVPWM 控制方式 ............................................12
3.2.4 正弦脉宽调制 SPWM 控制方式 ...............................................12
3.3 变频调速控制方案确定........................................................................12
3.4 SPWM 变频调速 ...................................................................................12
3.3.1 同步调制与异步调制.................................................................13
3.3.2 自然采样与规则采样.................................................................14
3.3.3 单极性调制与双极性调制.........................................................15
第 4 章基于 MATLAB 的异步电机调速仿真 ...................................................16
4.1MATLAB 简介 .......................................................................................16
4.1.1MATLAB 介绍 ............................................................................16