| 一种三相软开关逆变器的特性分析与仿真研究 |
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| 引用本文： | 孟岩峰,宋建成,许春雨.一种三相软开关逆变器的特性分析与仿真研究[J].电气传动自动化,2009,31(1). |
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| 作者姓名： | 孟岩峰 宋建成 许春雨 |
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| 作者单位： | 太原理工大学,电气与动力工程学院,山西,太原,030024 |
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| 摘 要： | 阐述了一种基于交流谐振环节的三相PWM逆变器零电压转换(ZVT)拓扑电路的工作特性及其控制方法。在该ZVT软开关拓扑电路的基础上,深入研究了逆变器的换向过程,重点讨论了辅助谐振电路的工作特性及谐振电感换流过程,并针对辅助谐振电感反向恢复问题,提出了采用基于谐振电感电流反馈的谐振周期控制算法。仿真结果验证了理论研究的正确性,实现了所有功率开关器件的软开关动作而无反向恢复现象。
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| 关 键 词： | 交流谐振 软开关 零电压转换 谐振电感电流 |
Characteristics analysis and simulation research on a three-phase soft-switching inverter |
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| MENG Yan-feng,SONG Jian-cheng,XU chun-yu.Characteristics analysis and simulation research on a three-phase soft-switching inverter[J].Electrical Drive Automation,2009,31(1). |
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| Authors: | MENG Yan-feng SONG Jian-cheng XU chun-yu |
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| Affiliation: | Taiyuan University of Technology;Taiyuan 030024;China |
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| Abstract: | The principle and control method of the ZVT three-phase PWM soft-switching inverter topology circuit based on AC resonant part is described.The current direction transfer process of the inverter in this ZVT soft switching topology is researched in-depth.The characteristics of the auxiliary resonant circuit and the current transfer process of the resonant inductor are emphasized to discuss.In allusion to the reverse recovery problem of the resonant inductor in the resonant circuit,a resonant period control a... |
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| Keywords: | AC resonant soft switch zero-voltage transition resonant inductor current |
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