| 采用简单辅助电路的ZVZCS全桥PWM变频器 |
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| 引用本文： | 周令琛.采用简单辅助电路的ZVZCS全桥PWM变频器[J].哈尔滨理工大学学报,2004,9(2):19-23. |
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| 作者姓名： | 周令琛 |
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| 作者单位： | 上海第二工业大学,电子与电气工程学院,上海,201209 |
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| 摘 要： | 提出了一种新的带有简单辅助电路的零电压和零电流开关(ZVZCS)的全桥脉宽调制式(PWM)变频器，辅助电路不设耗能电阻和有源开关，实现主开关器件的软切换，并阐述了电路的工作原理和设计思想，通过实验变频电路证实，此变频电路具有辅助电路简单、效率高、整流器二极管承受的电压低和环流自动调节等优点，适用于高电压和大功率的应用场合。
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| 关 键 词： | PWM变频器 ZVZCS 辅助电路 |
| 文章编号： | 1007-2683(2004)02-0019-05 |
| 修稿时间： | 2003年11月11 |
A New ZVZCS Full-bridge PWM Converter Using a Simple Auxiliary Circuit |
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| ZHOU Ling- chen.A New ZVZCS Full-bridge PWM Converter Using a Simple Auxiliary Circuit[J].Journal of Harbin University of Science and Technology,2004,9(2):19-23. |
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| Authors: | ZHOU Ling- chen |
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| Abstract: | This paper presents a new ZVZCS full-bridge PWM converter with a simple auxiliary circuit. The auxiliary circuit does not use lossy resistors and active switches. It achieves soft-switching of primary switches. The converter has features including high efficiency,lower voltage stress of the rectifier diode and self-adjustment of the circulating circuit. It is suitable for high voltage and high power applications. The principles of operation and design considerations are presented and verified on a experimental converter. |
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| Keywords: | PWM converter ZVZCS auxiliary circuit |
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