Adaptive DC-Link Voltage-Controlled Hybrid Active Power Filters for Reactive Power Compensation

被引:131
作者
Lam, Chi-Seng [1 ]
Choi, Wai-Hei [1 ]
Wong, Man-Chung
Han, Ying-Duo [1 ,2 ]
机构
[1] Univ Macau, Dept Elect & Comp Engn, Macau, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
关键词
Active power filters (APFs); dc-link voltage control; hybrid active power filters (HAPFs); passive power filters (PPFs); reactive power control; HARMONIC COMPENSATION; PERFORMANCE; SYSTEMS;
D O I
10.1109/TPEL.2011.2169992
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a novel adaptive dc-link voltage-controlled LC coupling hybrid active power filter (LC-HAPF) for reducing switching loss and switching noise under reactive power compensation. First, the mathematical relationship between LC-HAPF dc-link voltage and reactive power compensation range is deduced and presented. Based on the compensation range analysis, the required minimum dc-link voltage with respect to different loading reactive power is deduced. Then, an adaptive dc-link voltage controller for the three-phase four-wire LC-HAPF is proposed, in which the dc-link voltage as well as the reactive power compensation range can be adaptively changed according to different inductive loading situations. Therefore, the compensation range, switching loss, and switching noise of the LC-HAPF can be determined and reduced correspondingly. In this paper, the reference dc-link voltage is classified into certain levels for selection in order to alleviate the problem of dc voltage fluctuation caused by its reference frequent variation, and hence reducing the fluctuation impact on the compensation performances. Finally, representative simulation and experimental results of a three-phase four-wire center-split LC-HAPF are presented to verify the validity and effectiveness of the proposed adaptive dc-link voltage-controlled LC-HAPF in dynamic reactive power compensation.
引用
收藏
页码:1758 / 1772
页数:15
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