Effective Controller Design for the Dynamic Voltage Restorer (DVR) for Voltage Sag Mitigation in Distribution Utilities

被引：0

作者：

Xu, Lin ^{[1
]}

Han, Yang ^{[2
]}

机构：

[1] Sichuan Elect Power Res Inst, 24 QingHua Rd, Chengdu 610072, Sichuan, Peoples R China

[2] Univ Elect Sci & Technol China, Sch Mechatron Engn, Chengdu 611731, Sichuan, Peoples R China

来源：

ELEKTROTEHNISKI VESTNIK-ELECTROCHEMICAL REVIEW | 2011年 / 78卷 / 05期

关键词：

Dynamic voltage restorer; phase locked loop (PLL); voltage sag; sequence decoupling; proportional resonant controller;

D O I：

暂无

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 voltage sag detection algorithm and control algorithm synthesis of the dynamic voltage restorer (DVR) are proposed. The double synchronous reference frame phase-locked loop (DSRF-PLL) is applied for the voltage sag detection, which is able to calculate the phase angle of the positive-sequence fundamental component of grid voltages even under unbalanced and distorted grid voltages. The effective control strategy of the DVR is proposed, which includes the reference compensation voltage generation, the control scheme for the shun-connected voltage source converter (VSC) and the control algorithm for the series-connected voltage source inverter (VSI). Finally, extensive simulation results are presented to verify the validity and effectiveness of the proposed control strategy.

引用

页码：304 / 311

页数：8

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