| 直流侧采用C滤波的改进型低谐波输入三相整流器 |
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| 引用本文： | 陈仲,朱银玉,罗颖鹏.直流侧采用C滤波的改进型低谐波输入三相整流器[J].电机与控制学报,2009,13(6). |
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| 作者姓名： | 陈仲 朱银玉 罗颖鹏 |
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| 作者单位： | 南京航空航天大学,航空电源重点实验室,江苏,南京,210016 |
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| 摘 要： | 针对传统三相不控整流器接容性负载时网侧电流严重畸变,提出了一种直流侧采用C滤波的改进型低谐波输入三相整流器,该整流器由交流侧电感、三相不控整流桥、整流桥上桥臂并联电容以及直流侧滤波电容组成.分析了该整流器的工作原理,和原有的直流侧采用LC滤波的整流器进行了比较,并针对这两种整流器分别给出了其参数设计.实验结果表明通过增加交流侧辅助电感和电容的办法,可有效改善网侧电流波形;且直流侧采用C滤波的电路结构更加简洁、辅助元件取值较低,因而具有较优的综合性能,提高了该类型整流器的应用潜力.
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| 关 键 词： | 整流器 电容滤波器 谐波 功率因数 参数设计 |
Improved low harmonic input three-phase rectifier with DC-side capacitive filter |
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| CHEN Zhong,ZHU Yin-yu,LUO Ying-peng.Improved low harmonic input three-phase rectifier with DC-side capacitive filter[J].Electric Machines and Control,2009,13(6). |
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| Authors: | CHEN Zhong ZHU Yin-yu LUO Ying-peng |
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| Affiliation: | CHEN Zhong,ZHU Yin-yu,LUO Ying-peng (Aero-Power Sci-tech center,Nanjing University of Aeronautics & Astronautics,Nanjing 210016,China) |
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| Abstract: | In order to improve the distorted current of the conventional uncontrolled rectifier with the capacitive load,an improved low harmonic input three-phase rectifier with DC-side C filter is proposed in this paper.This rectifier was composed of input inductors,three-phase diode rectifier,commutation diodes parallel connected with the upper diode and DC-side C filter.In this paper,operation principle analysis of this novel rectifier was deeply analyzed.Comparison between the improved rectifier and the exiting r... |
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| Keywords: | rectifiers capacitive filters harmonics power factor parameter estimation |
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