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文章摘要
电容电压反馈的电流型整流器有源阻尼控制研究
Active damping control based on the LC filter capacitor voltage feedback techniques
Received:April 25, 2014  Revised:April 25, 2014
DOI:
中文关键词: 电流型PWM整流器  LC谐振  有源阻尼  电容电压反馈
英文关键词: CSR, LC  resonance, Active  damping, Input  shaping, Inductive  voltage feedback
基金项目:
Author NameAffiliationE-mail
peng yonglong North China Electric Power University  
huyanhua HeNan Polytechnic 1473066@qq.com 
zhujinbo* North China Electric Power University zhujinbo2013@126.com 
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中文摘要:
      三相电流型PWM整流器在交流侧采用LC滤波器来滤除谐波,由于二阶LC滤波器的阻尼系数较小,容易引起网侧电流振荡。本文提出滤波电容电压反馈的有源阻尼控制,能够在不消耗有功功率的前提下,有效的滤除网侧电流谐波。仿真验证了本文提出的控制策略能够有效减少电流畸变,增加系统的稳定性,并具有一定工程实用性。
英文摘要:
      Current PWM Rectifier links in the network side using LC devices help to filter harmonics and commutation, LC type filter was second order characteristics, the presence of the resonance peak and the resistor of capacitance is also very small, easy to cause the current waveform distortion in the transient process. This paper presents a control strategy using capacitor voltage feedback, which can effectively inhibit distortion caused by LC links under current command change. The performance of the proposed method is verified by simulation and experimental results, distortion of the line current is effectively reduced and the stability of the system is improved.
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