| 基于有源辅助网络的新型零电流全桥DC-DC变换器 |
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| 引用本文： | 张运芳,陈荣,赵永建. 基于有源辅助网络的新型零电流全桥DC-DC变换器[J]. 电工电能新技术, 2009, 28(4) |
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| 作者姓名： | 张运芳 陈荣 赵永建 |
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| 作者单位： | 张运芳(江苏大学电气信息工程学院,江苏镇江212013;盐城工学院信息工程学院,江苏盐城224000);陈荣(盐城工学院信息工程学院,江苏盐城,224000);赵永建(江苏大学电气信息工程学院,江苏镇江,212013) |
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| 基金项目： | 江苏省工业科技攻关项目，江苏省高校自然科学基金资助项目 |
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| 摘 要： | 提出了一种新型的零电流全桥DC-DC变换器.该变换器不仅能在全负载范围内实现所有开关管的零电流开关,还实现了输出整流管的软换流.分析了该变换器的软开关实现原理,并采用DSP芯片TMS320F2812作为控制器,设计了变换器数字控制系统,成功研制了一台1kW,25kHz软开关电源.试验结果验证了这种新型PWM DC-DC变换器相关理论的正确性.
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| 关 键 词： | 零电流 DC/DC变换器 全桥 DSP控制 软开关 |
A novel ZCS full-bridge DC-DC converter based on auxiliary active circuit |
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| ZHANG Yun-fang,CHEN Rong,ZHAO Yong-jian. A novel ZCS full-bridge DC-DC converter based on auxiliary active circuit[J]. Advanced Technology of Electrical Engineering and Energy, 2009, 28(4) |
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| Authors: | ZHANG Yun-fang CHEN Rong ZHAO Yong-jian |
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| Affiliation: | ZHANG Yun-fang~(1,2),CHEN Rong~2,ZHAO Yong-jian~1(1.School of Electrical , Information Engineering,Jiangsu University,Zhenjiang 212013,China,2.School of Information Engineering,Yancheng Institute of Technology,Yancheng 224000,China) |
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| Abstract: | This paper proposes a novel ZCS(zero-current-switching) PWM full-bridge DC-DC converter.The proposed converter can achieve ZCS for all the active switches in the entire load ranges,also it realizes soft commutation for the output rectifier diodes.The soft-switching operating principle of the converter was analyzed,and digital control system was designed using TMS320F2812 DSP chip.A 1kW,25kHz soft-switch power source was developed,and the experimental results have verified the principle and characteristics o... |
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| Keywords: | ZCS DC-DC converter full-bridge DSP control soft-switching |
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