带LLCL型滤波器的有源电力滤波器的设计

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摘要 LLCL型滤波器通过电感和电容发生串联谐振滤除开关纹波,在使用更小电感量的情况下,可以获得比LCL型滤波器更好的滤波效果。本文总结了在并联型有源电力滤波器应用中,LLCL型滤波器的参数设计方法,对无源阻尼谐振的特点进行了分析,提出在保证系统稳定的前提下,尽量减小阻尼电阻值以保持高开关纹波衰减能力。控制方面采用广义积分控制实现了补偿电网电流中50次以内奇次谐波的效果。最后通过仿真证明了LLCL滤波器以及广义积分控制器的作用和效果。

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	漆宇
	彭力
	王庆红
	吴德亮
	刘虔
	张雨

关键词 ：并联型有源电力滤波器, LLCL型滤波器, 无源阻尼, 广义积分控制

Abstract：With series resonance occur though the inductor and capacitor, LLCL output filter could achieve better switching ripple filtering effect in the case of using less inductance obtained than LCL filter. This paper summarizes the LLCL filter parameters design method in the application of shunt active power filter, and passive damping characteristics are analyzed. It is propose that under the precondition of ensuring the stability, choose lower damping resistance to maintain the high switching ripple attenuation capacity. In terms of control, generalized integral controller is used to realize compensation of within 50 odd harmonic in power current. Finally, the simulation result proved the effectiveness of LLCL filter and generalized integral controller.

Key words： keywords：Shunt active power filter LLCL output filter passive damping generalized integral control

收稿日期: 2012-09-21 出版日期: 2013-12-12

PACS:

TM464

作者简介: 漆宇男，1987年生，博士研究生，研究方向为逆变器的拓扑及控制。彭力女，1967年生，博士，教授，博士生导师，研究方向为电力电子技术和控制技术。

引用本文:

漆宇, 彭力, 王庆红, 吴德亮, 刘虔, 张雨. 带LLCL型滤波器的有源电力滤波器的设计[J]. 电工技术学报, 2013, 28(1增): 203-208. Qi Yu, Peng Li, Wang Qinghong, Wu Deliang, Liu Qian, Zhang Yu. Design of Active Power Filter with LLCL Filter. Transactions of China Electrotechnical Society, 2013, 28(1增): 203-208.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I1增/203

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