| 低调制度下二极管箝位型多电平
逆变器新型PWM控制方法 |
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| 引用本文： | 辛想,张庆范,胡顺全.低调制度下二极管箝位型多电平
逆变器新型PWM控制方法[J].中国工程科学,2007,9(10):91-96. |
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| 作者姓名： | 辛想 张庆范 胡顺全 |
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| 作者单位： | 1. 山东大学,济南,250061
2. 山东新风光电子科技发展有限公司,山东,汶上,272500 |
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| 摘 要： | 二极管箝位型多电平逆变器作为一种应用于高压大功率变换场合的变换器,其PWM控制技术是研究的核心内容之一。本文针对已有载波PWM方法中低调制度下电平退化的问题,提出了一种新颖的载波PWM方法,既便是在低调制度下,所有的电平都能够得到应用。仿真结果表明,这种方法可以提高二极管箝位型逆变器在低调制度下的器件利用率,使得逆变器在低调制度下工作于较高频率。
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| 关 键 词： | 二极管箝位型逆变器 载波PWM 低调制度 冗余状态 |
| 文章编号： | 1009-1742（2007）10-0091-06 |
| 收稿时间： | 2006/11/15 0:00:00 |
| 修稿时间： | 2006-11-15 |
A Novel PWM Method of Diode clamped Multilevel Inverter
at Low Modulation Indices |
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| Xin Xiang,Zhang Qing-Fan and Hu Shun-Quan.A Novel PWM Method of Diode clamped Multilevel Inverter
at Low Modulation Indices[J].Engineering Science,2007,9(10):91-96. |
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| Authors: | Xin Xiang Zhang Qing-Fan and Hu Shun-Quan |
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| Affiliation: | 1. Shandong University, Jinan 250061, China; 2. Shandong Xinfengguang Electric Technology Develops Co. Ltd, Wenshang, Shandong 272500, China |
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| Abstract: | Diode-clamped multilevel inverter is a kind of power converter which can be used in high voltage and high power application field. Its corresponding PWM control is studied extensively. The paper presents a novel carrier-based PWM method to take advantage of all levels in the inverter even at low modulation indices. The simulation results indicate that the novel PWM strategy increases device utilization and enables the inverter to switch at higher frequencies and low modulation indices. |
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| Keywords: | diode-clamped inverter carrier-based PWM low modulation index redundant state |
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