| 基于单谐振支路的多电平均压型DC-DC变换器 |
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| 引用本文： | 张捷频,王淼,郑琼林,杨晓峰.基于单谐振支路的多电平均压型DC-DC变换器[J].电工技术学报,2017,32(Z2). |
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| 作者姓名： | 张捷频 王淼 郑琼林 杨晓峰 |
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| 作者单位： | 北京交通大学电气工程学院 北京 100044 |
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| 基金项目： | 中央高校基本科研业务费专项资金 |
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| 摘 要： | 提出一种基于单谐振支路的多电平均压型DC-DC变换器通用型拓扑及其简化拓扑。在该拓扑结构的基础上,给出顺序控制和循环控制两种控制策略,并分别对这两种控制策略下的变换器工作原理进行分析。所提出的拓扑结构具有单谐振支路、开关器件少、控制策略简单的优点,并且所有开关器件均可以实现零电流开关,所有直流支撑电容均可以实现电压自平衡。最后,通过实验验证了上述拓扑及其控制策略的正确性和有效性。
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| 关 键 词： | 单谐振支路 多电平DC-DC变换器 电压平衡 零电流开关 控制策略 |
Single Resonant Cell Based Multilevel Voltage-Sharing DC-DC Converter |
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| Zhang Jiepin,Wang Miao,Trillion Q Zheng,Yang Xiaofeng.Single Resonant Cell Based Multilevel Voltage-Sharing DC-DC Converter[J].Transactions of China Electrotechnical Society,2017,32(Z2). |
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| Authors: | Zhang Jiepin Wang Miao Trillion Q Zheng Yang Xiaofeng |
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| Abstract: | A generalized single resonant cell based multilevel voltage-sharing DC-DC converter topology and its simplified topology are proposed in this paper. Two control strategies (sequential control strategy and cyclic control strategy) are given and the corresponding working principles are analyzed. The proposed topologies feature with single resonant cell, low number of switches and simplified control strategy. Besides, zero current switching can be achieved for all the switches and voltage sharing can be realized for all the DC link capacitors. Finally, the validity and superiority are verified by the experimental results. |
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| Keywords: | Single resonant cell multilevel DC-DC converter voltage sharing zero current switching control strategy |
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