A Method of Voltage Detection Specific to Single-Phase Dynamic Voltage Restorer

被引：0
|
作者：
Gai, Kuo [1 ]
Bi, Kaitao [1 ]
Fan, Shaogui [1 ]
Sun, Li [1 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150000, Heilongjiang, Peoples R China
来源：
2017 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO, ASIA-PACIFIC (ITEC ASIA-PACIFIC) | 2017年
关键词：
dynamic voltage restorer; proportional-resonant controller; voltage detection; voltage compensation; voltage sag;
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：
A method of voltage detection specific to single-phase dynamic voltage restorer based on double closed-loops of proportional-resonant controllers is proposed for the fundamental wave extraction. The circuit topology and control strategy of dynamic voltage restorer are established to provide the basics for the design of voltage detection. To ensure the dynamic voltage compensation performance of digital control, analyze the discretization of proportional-resonant controller and filters. Focus on the improved method of extracting fundamental voltage and develop a 10 kW prototype. Based on the experiments of the prototype, the results prove that this strategy is easy to implement and has a good performance on voltage detection and compensation.
引用
收藏
页码：1 / 4
页数：4
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