| 一种新型半桥不对称PW M控制变换器 |
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| 引用本文： | 朝泽云,徐至新,邹旭东. 一种新型半桥不对称PW M控制变换器[J]. 通信电源技术, 2002, 0(2): 3-6 |
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| 作者姓名： | 朝泽云 徐至新 邹旭东 |
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| 作者单位： | 华中科技大学,武汉,430074 |
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| 摘 要： | 介绍了一种适用于DC／DC半桥变换的不对称PWM控制方案，分析了电路的工作原理，给出了150W变换器的仿真波形和实验结论，结果表明，该控制方案能在恒定开关频率下对变换器实现高效率的软开关控制。
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| 关 键 词： | 半桥 PWM控制变换器 开关电源 谐变换器 |
| 修稿时间： | 2001-10-17 |
A Novel Half- Bridge Asymmetrical PWM Controlled Converter |
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| Chao Zeyun,Xu zhixin,Zou XudongHuazhong University of Science , Technology. A Novel Half- Bridge Asymmetrical PWM Controlled Converter[J]. Telecom Power Technologies, 2002, 0(2): 3-6 |
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| Authors: | Chao Zeyun Xu zhixin Zou XudongHuazhong University of Science & Technology |
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| Abstract: | In this paper, an asymmetrical pulse-wide-modulation control scheme is introduced which is used to control the half-bridge DC/DC converter. The operation principle of this circuit is analyzed. The results of simulation and experiment on a 150 W converter are given. The results show that this control scheme could realize the high efficiency soft-switch control under the constant switching frequency to the converter. |
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| Keywords: | half-bridge DC/DC converter soft switch asymmetrical PWM |
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