A direct control strategy for UPQC in three-phase four-wire system

被引：0
|
作者：
Tan Zhili [1 ,2 ]
Li Xun [1 ]
Chen Jian [1 ]
Kang Yong [1 ]
Duan Shanxu [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, Wuhan 430074, Peoples R China
[2] China Univ Geosci, Sch Appl Geophys & Space Informat, Wuhan, Peoples R China
来源：
IPEMC 2006: CES/IEEE 5TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS | 2006年
关键词：
p-q-r theory; three phase four-wire system; UPQC; direct control strategy;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Based on the p-q-r theory, this paper presents a direct control strategy of unified power quality conditioner (UPQC) used in the nonlinear and unbalance three-phase four-wire system.A algorithm of calculating the series compensation current and shunt compensation voltage in the proposed system is introduced. An analysis of the proposed control strategy and its schematic diagram is described in particular.Simulation results using MATLAB/ SIMULINK show that the harmonic current, reactive power of load as well as neutral current are compensated well when unbalance and nonlinear occur in load current or unbalance and sag in source voltage, load voltage get balanced and rated and power factor of power source is about unity.
引用
收藏
页码：770 / +
页数：2
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