Transformerless dynamic voltage restorer

被引：59
|
作者：
Li, BH [1 ]
Choi, SS [1 ]
Vilathgamuwa, DM [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION | 2002年 / 149卷 / 03期
关键词：
D O I：
10.1049/ip-gtd:20020212
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 feasibility of achieving dynamic voltage restoration without the use of the injection transformer is investigated. The configuration of a proposed transformerless dynamic voltage restorer (DVR) features separate energy storage capacitors for phase-to-phase isolation, cascaded switches/inverters for the voltage boosting functions and a dynamic energy replenishing charging circuit. Comparison of the scheme with the conventional DVR is conducted in terms of voltage regulation property, power losses, rehabilities, costs and ride-through capabilities. The transformerless DVR is seen to be advantageous over the conventional DVR in many aspects. Simulation results also demonstrate the effective dynamic performance of the DVR scheme.
引用
收藏
页码：263 / 273
页数：11
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