| 高功率因数开关电源的研究 |
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| 引用本文： | 魏旭光,陈建锋.高功率因数开关电源的研究[J].通信电源技术,2009,26(4):28-30. |
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| 作者姓名： | 魏旭光 陈建锋 |
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| 作者单位： | 1. 陕西师范大学数学与信息科学学院,陕西,西安,710061
2. 解放军69036部队,新疆,库尔勒,841000 |
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| 摘 要： | 普通开关电源采用电容输入型二级管整流电路，使输入电流呈脉冲波形，造成功率因数很低。如何提高开关电源的功率因数已经成为电源设计工程师的首要任务。文章给出了高功率因数高频开关电源系统的总体设计方案，并在此基础上，对各电路的工作过程进行了简单介绍。
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| 关 键 词： | 功率因数 开关电源 有源功率因数校正 |
Study on High Power Factor Switching Mode Power Supply |
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| WEI Xuguang,CHEN Jianfeng.Study on High Power Factor Switching Mode Power Supply[J].Telecom Power Technologies,2009,26(4):28-30. |
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| Authors: | WEI Xuguang CHEN Jianfeng |
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| Affiliation: | WEI Xu-guang, CHEN Jian-feng( 1. College of Mathematics and Information Science, Shanxi Normal University,Xi＇an 710061 ,China; 2. Army 69036 of PLA, Kuerle 841000,China) |
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| Abstract: | Capacitor input type diode rectifier circuit is adopted in common switching mode power supply, which makes input current as pulse waveform. So that the power factor is low. It is urgent to increase the power factor of switching made power supply. Based on the issues of PFC and high harmonic suppression, a high power factor switching mode power supply is designed. And some key technologies are discussed. |
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| Keywords: | power factor switching mode power supply active power factor correction |
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