Switching Minimization of Three-phase Four-leg Dynamic Voltage Restorer

被引：0

作者：

Kumar, M. Praveen ^{[1
]}

Mishra, Mahesh Kumar ^{[1
]}

Joseph, Sandeep ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Madras 36, Tamil Nadu, India

来源：

2009 ANNUAL IEEE INDIA CONFERENCE (INDICON 2009) | 2009年

关键词：

Power quality; DVR; voltage source inverter (VSI); voltage sags / swells; hysteresis voltage control;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Dynamic Voltage Restorers are utilized to protect sensitive loads from voltage disturbances which take place in the distribution systems. The three-phase four-leg topology of DVR is more advantageous over the other topologies. But it requires higher switching operations of the VSI for tracking the reference voltages through hysteresis. This paper presents two switching minimization control algorithms for a three-phase four-leg VSI topology of DVR to minimize the switching frequencies, while protecting the sensitive loads against sag / swell. The effectiveness of both the control algorithms is illustrated through detailed simulation study using PSCAD 4.2.1.

引用

页码：577 / 581

页数：5

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