| 一种新的三相四桥臂逆变器控制方法 |
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| 引用本文： | 孙驰,鲁军勇,马伟明.一种新的三相四桥臂逆变器控制方法[J].电工技术学报,2007,22(2):57-63,73. |
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| 作者姓名： | 孙驰 鲁军勇 马伟明 |
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| 作者单位： | 海军工程大学电力电子技术研究所,武汉,430033;海军工程大学电力电子技术研究所,武汉,430033;海军工程大学电力电子技术研究所,武汉,430033 |
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| 摘 要： | 针对现有三相四桥臂逆变器控制方法比较复杂的缺点,提出一种新的第四桥臂与前三桥臂分别独立控制的控制方法,该方法与传统的三桥臂逆变器控制方法相兼容,简单易行,且方便对老产品进行改造.文中对四桥臂逆变器的三维空间矢量进行了分析,得出第四桥臂可独立控制的结论;建立了四桥臂逆变器的大信号模型,并在此基础上给出了相应的理论依据.仿真和实验结果进一步验证了该控制方案的正确性与可行性.
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| 关 键 词： | 三相四桥臂 逆变器 控制 模型 |
| 修稿时间： | 2005年10月18 |
A Novel Control Method for Three-Phase Four-Leg Inverter |
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| Sun Chi,Lu Junyong,Ma Weiming.A Novel Control Method for Three-Phase Four-Leg Inverter[J].Transactions of China Electrotechnical Society,2007,22(2):57-63,73. |
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| Authors: | Sun Chi Lu Junyong Ma Weiming |
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| Affiliation: | Naval University of Engineering Wuhan 430033 China |
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| Abstract: | A novel simple control method that the 4th leg is controlled independently for three-phase four-leg inverter is proposed in this paper, and the method is compatible with the control of the traditional three-phase inverter, so the proposed control method can be applied easily to improve and upgrade the performances of the traditional three-phase inverter products. The three-dimensional space voltage vectors of three-phase four-leg inverter are analyzed, so that the conclusion of the 4th leg can be controlled independently is proved accordingly. Then, the theoretical foundation of the control method is presented through the large-signal modeling. The simulation and experimental results further verify the validity and feasibility of the proposed control method. |
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| Keywords: | Three-phase four-leg inverter control model |
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