| 基于载波移相控制的单元串联多电平变频器的分析研究 |
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| 引用本文： | 葛照强,黄守道.基于载波移相控制的单元串联多电平变频器的分析研究[J].电气传动,2006,36(10):22-25. |
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| 作者姓名： | 葛照强 黄守道 |
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| 作者单位： | 湖南大学，湖南大学 |
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| 摘 要： | 简单介绍单元串联多电平变频器的拓扑结构和载波移相控制的工作原理,提出了3种不同的方法生成H桥功率模块的PWM开关信号,并分析在各个控制方式下输出电压波形和谐波成分的不同。使用MATLAB软件进行系统仿真,分析在调制比M降低时对输出相电压、线电压和电流的影响,以及谐波含量和谐波总畸变率(THD)的变化。
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| 关 键 词： | 高压变频器 单元串联 多电平 载波移相控制 |
| 收稿时间： | 2005-09-28 |
| 修稿时间： | 2005-09-282006-04-19 |
Analysis and Research of Multi-level Voltage Converter Based on Carrier Phase Shift Control |
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| Ge Zhaoqiang,Huang Shoudao.Analysis and Research of Multi-level Voltage Converter Based on Carrier Phase Shift Control[J].Electric Drive,2006,36(10):22-25. |
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| Authors: | Ge Zhaoqiang Huang Shoudao |
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| Abstract: | The topologies of cells cascaded multi-level converter and work principle of carrier phase shift control are introduced simply in this paper.Three kinds of method to generate PWM control single to control H-bridge power module are proposed.Then the waveform and harmonic of output voltage under these methods are analyzed.By using MATLAB to do system simulation,we can get the changes of phase voltage,line voltage and current while the modulate rate(M) is reduced.And the changes of harmonic and total harmonic distortion(THD) are also indicated. |
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| Keywords: | high voltage converter cells cascaded multi-level carrier phase shift control |
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