| 一种新型二极管辅助换流网络软开关PWM全桥变换器 |
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| 引用本文： | 谭瑞民,瞿文龙,张克强. 一种新型二极管辅助换流网络软开关PWM全桥变换器[J]. 电工电能新技术, 2001, 20(4): 14-18,60 |
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| 作者姓名： | 谭瑞民 瞿文龙 张克强 |
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| 作者单位： | 清华大学电机工程与应用电子技术系 |
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| 基金项目： | 国家“攀登B计划”资助项目 (C0 2 31) |
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| 摘 要： | 本文提出了一种新的软开关拓扑结构，利用二极管辅助谐振换流网络（DARCN－Diode Auxiliary Resonant Commutating Network)来使DC／DC全桥变换器的主开关工作到零电压开通状态，同时可使DARCN中的辅助二极管以及逼边整流二极管实现软关断，全桥变换器的控制信号对普通PWM硬开关变换器完全一样，文中对它的实现原理进行了理论分析，使用PSpice对电路进行了仿真，并进行了实验，验证了电路原理的正确性，并分析了电路参数对软开关实现及电路性能的影响。
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| 关 键 词： | 谐振换流网络 DC／DC全桥变换器 零电压开关 二极管 PWM |
| 文章编号： | 1003-3076(2001)04-0014-05 |
A novel DARCN soft-switching full-bridge convertor |
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| TAN Rui min,QU Wen long,ZHANG Ke qiang. A novel DARCN soft-switching full-bridge convertor[J]. Advanced Technology of Electrical Engineering and Energy, 2001, 20(4): 14-18,60 |
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| Authors: | TAN Rui min QU Wen long ZHANG Ke qiang |
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| Abstract: | A new topology of soft switching,Diode Auxiliary Resonant Commutating Network(DARCN)is presented in this paper.With the DARCN,all the main switches of DC/DC full bridge converter can be turned on under zero voltage.The current peaks of the auxiliary resonant diodes and the diodes in the secondary rectifier while turning off are extremely low.The drive signal and control method of converter are as same as the general PWM hard switch converter.The operating principles of the converter are analyzed.Validity of the principles are approved by simulating with Pspice and experiments.This paper also shows how the parameters will affect the performance of the circuit and the realization of soft switching. |
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| Keywords: | auxiliary resonant commutating network DC/DC full bridge converter zero voltage switching |
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