Combined compensation structure of a static Var compensator and an active filter for unbalanced three-phase distribution feeders with harmonic distortion

被引：16
|
作者：
Lee, SY [1 ]
Wu, CJ [1 ]
机构：
[1] Kuang Wu Inst Technol & Commerce, Dept Elect Engn, Peitow Taipei 112, Taiwan
来源：
ELECTRIC POWER SYSTEMS RESEARCH | 1998年 / 46卷 / 03期
关键词：
reactive power; power distribution lines; power system harmonics; active filters;
D O I：
10.1016/S0378-7796(98)00074-1
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：
A combined reactive power compensation method of a static Var compensator (SVC) and an active filter is described in this paper for unbalanced three-phase distribution feeders with harmonic distortion. The SVC acts as a classic reactive power compensator for load balancing and power factor correction. The small rating active filter is used to improve filtering characteristics of the passive filter in SVC and suppress possible resonance between the system impedance and the passive filter. The control signals are derived from the calculation of instantaneous active and reactive powers of the distribution feeder. Simulation results carried out by the electromagnetic transients program (EMTP) show that the proposed reactive power compensation configurations can effectively balance currents, correct power factor, and eliminate harmonic currents. (C) 1998 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：243 / 250
页数：8
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