High Voltage Quality Control Strategy of Microgrid Main Inverter for Islanded Microgrid

被引：0
|
作者：
Tu, Chunming [1 ]
Xiao, Fan [1 ]
Guo, Qi [1 ]
Lan, Zheng [2 ]
机构：
[1] Hunan Univ, Natl Elect Power Convers & Control Engn Technol R, Changsha, Hunan, Peoples R China
[2] Hunan Univ Technol, Dept Elect & Informat Engn, Zhuzhou 412007, Peoples R China
来源：
2018 IEEE INTERNATIONAL POWER ELECTRONICS AND APPLICATION CONFERENCE AND EXPOSITION (PEAC) | 2018年
关键词：
inverter; voltage quality; control strategy; virtual impedance; HARMONICS; LOOP;
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：
Microgrid voltage quality is related to the distributed generation (DG) interfacing inverters (DGI), especially in the islanded mode. To improve the point of common coupling (PCC) voltage quality, a high voltage quality control strategy has been proposed for the microgrid main inverter (MMI) which operate as a voltage source in the islanded microgrid. Firstly, the harmonics degradation mechanism of inverters based microgrid is analyzed. And it can be find that the PCC voltage quality will be distorted when DG interfacing inverters work without voltage quality control loop. Then, the harmonic voltage control principle of MMI is shown, and the computation load, signal sampling and capacity limitation are considered. Finally, the validity of proposed control strategy has been proven by the simulation and experimental results.
引用
收藏
页码：1720 / 1724
页数：5
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