A Novel Structure for Three-Phase Four-Wire Distribution System Utilizing Unified Power Quality Conditioner (UPQC)

被引：96

作者：

Khadkikar, Vinod ^{[1
]}

Chandra, Ambrish ^{[2
]}

机构：

[1] Univ Western Ontario, Dept Elect & Comp Engn, London, ON N6A 5B9, Canada

[2] Ecole Technol Super, Dept Genie Elect, Montreal, PQ H3C 1K3, Canada

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2009年 / 45卷 / 05期

关键词：

Active power filter (APF); four-leg voltage-source inverter (VSI) structure; three-phase four-wire (3P4W) system; unified power quality conditioner (UPQC);

D O I：

10.1109/TIA.2009.2027147

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a novel structure for a three-phase four-wire (3P4W) distribution system utilizing unified power quality conditioner (UPQC). The 3P4W system is realized from a three-phase three-wire system where the neutral of series transformer used in series part UPQC is considered as the fourth wire for the 3P4W system. A new control strategy to balance the unbalanced load currents is also presented in this paper. The neutral current that may flow toward transformer neutral point is compensated by using a four-leg voltage source inverter topology for shunt part. Thus, the series transformer neutral will be at virtual zero potential during all operating conditions. The simulation results based on MATLAB/Simulink are presented to show the effectiveness of the proposed UPQC-based 3P4W distribution system.

引用

页码：1897 / 1902

页数：6

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