Design of a capacitor-supported dynamic voltage restorer (DVR) for unbalanced and distorted loads

被引：108

作者：

Ghosh, A ^{[1
]}

Jindal, AK ^{[1
]}

Joshi, A ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Kanpur 208016, Uttar Pradesh, India

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2004年 / 19卷 / 01期

关键词：

deadbeat control; distribution system; dynamic voltage restorer; unbalanced and distorted load; voltage source inverter;

D O I：

10.1109/TPWRD.2003.820198

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：

The paper discusses the operating principles and control characteristics of a dynamic voltage restorer (DVR) that protects sensitive but unbalanced and/or distorted loads. The main aim of the DVR is to regulate the voltage at the load terminal irrespective of sag/swell, distortion, or unbalance in the supply voltage. In this paper, the DVR is operated in such a fashion that it does not supply or absorb any active power during the steady-state operation. Hence, a dc capacitor rather than a dc source can supply the voltage source inverter realizing the DVR. The proposed DVR operation is verified through extensive digital computer simulation studies.

引用

页码：405 / 413

页数：9

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