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浙江大学学报(工学版)
电气工程     
新型三相四线制APF直流电压控制策略
冯霞,钟晓剑,徐群伟,陈国柱
浙江大学 电气工程学院,浙江 杭州 310027
Novel DC bus voltage control strategy for three-phase four-wire active power filter
FENG Xia, ZHONG Xiao-jian, XU Qun-wei, CHEN Guo-zhu
College of Electrical Engineering, Zhejiang University, Hangzhou 310027,China
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摘要:

针对三相四线制有源滤波器(APF)直流母线电压控制的特点,为了克服并网运行时产生的直流母线电压波动和直流侧上、下电容之间电压不平衡等问题,根据系统主电路数学模型建立稳压环和均压环,提出基于二阶低通滤波器的新型电压控制策略,给出设计方法.理论分析证明:与传统的PI控制器相比,采用该控制策略可以实现对电压环更好的控制性能和控制效果.通过仿真和实验验证了该控制方法在三相四线制有源滤波器系统中的正确性和优越性.

Abstract:

Considering the characteristics of the DC bus voltage control of three-phase four-wire active power filter (APF), a stable-voltage loop and a balance-voltage loop with second-order low pass filter were designed according to the mathematic model of main circuit of system. The purpose of the two loops is to overcome the DC voltage fluctuation and unbalance between up-and-down capacitors during the APF system working. Compared with the traditional PI control method, the proposed strategy can achieve better control performance and control effect proved by theoretical analysis. Experimental results were conducted to validate the effectiveness of the proposed strategy.

出版日期: 2014-08-04
:  TN 713  
基金资助:

国家自然科学基金资助项目(51177147);浙江省重点科技创新团队资助项目(2010R50021)

通讯作者: 陈国柱,男,教授,博导     E-mail: gzchen@zju.edu.cn
作者简介: 冯霞(1987-),女,硕士生,从事高压大功率有源滤波器及相关数字控制技术的研究.E-mail:xia05xtkxfx@126.com
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引用本文:

冯霞,钟晓剑,徐群伟,陈国柱. 新型三相四线制APF直流电压控制策略[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.07.024.

FENG Xia, ZHONG Xiao-jian, XU Qun-wei, CHEN Guo-zhu. Novel DC bus voltage control strategy for three-phase four-wire active power filter. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.07.024.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.07.024        http://www.zjujournals.com/eng/CN/Y2014/V48/I7/1312

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