| 一种基于负载电压换流的新型ZCS-PFM变换器 |
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| 引用本文： | 褚恩辉,候蕊,张化光,刘秀翀.一种基于负载电压换流的新型ZCS-PFM变换器[J].东北大学学报(自然科学版),2011,32(3):305-309. |
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| 作者姓名： | 褚恩辉 候蕊 张化光 刘秀翀 |
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| 作者单位： | 东北大学信息科学与工程学院; |
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| 基金项目： | 中央高校基本科研业务费专项基金资助项目(N100404015) |
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| 摘 要： | 为实现一种结构简单,高效、高频、低电压应力,控制简单的软开关升压变换器,提出一种零电流软开关脉冲频率调制(pulse frequency modulation,PFM)变换器,并以其在boost变换器的应用为例分析了其工作原理、软开关实现条件以及该电路的设计方法.仿真和实验结果表明:该变换器在较宽的输出电压、输入电压、...
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| 关 键 词： | 负载电压换流 交叉耦合电感 非隔离升压DC-DC变换器 零电流开关 脉冲频率调制 |
A New ZCS-PFM Converter Based on a Load Voltage Commutator |
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| CHU En-hui,HOU Rui,ZHANG Hua-guang,LIU Xiu-chong.A New ZCS-PFM Converter Based on a Load Voltage Commutator[J].Journal of Northeastern University(Natural Science),2011,32(3):305-309. |
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| Authors: | CHU En-hui HOU Rui ZHANG Hua-guang LIU Xiu-chong |
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| Institution: | CHU En-hui,HOU Rui,ZHANG Hua-guang,LIU Xiu-chong(School of Information Science & Engineering,Northeastern University,Shenyang 110819,China.) |
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| Abstract: | With the goal of producing a soft switching boost converter having a simple structure,high efficiency,high frequency,low voltage stress,and ease of control, a new zero-current soft-switching pulse frequency modulation(PFM) converter was described herein.The operation principle of this converter is explained using the boost converter as an example.The soft switching and other design aspects are also outlined in detail.Simulation and experimental results show that the converter can produce a steady zero curre... |
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| Keywords: | load voltage commutation flyback coupled inductor non isolated boost DC-DC converter zero current switching(ZCS) pulse frequency modulation(PFM) |
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