Control Strategy for Microgrid Inverter under Unbalanced Grid Voltage Conditions

被引：0
|
作者：
Guo, X. [1 ]
Liu, W. [1 ]
Zhang, X. [1 ]
Geng, H. [2 ]
Guerrero, Josep M. [3 ]
机构：
[1] Yanshan Univ, Dept Elect Engn, Qinhuangdao, Peoples R China
[2] Tsinghua Univ, Automat Dept, Beijing, Peoples R China
[3] Aalborg Univ, Inst Energy Technol, Aalborg, Denmark
来源：
2014 IEEE 23RD INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS (ISIE) | 2014年
关键词：
microgrid; unbalanced grid voltage; inverter; current quality; power oscillation; POWER-GENERATION SYSTEMS; HIERARCHICAL CONTROL; CONTROL SCHEME; FRAME; CONVERTER;
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：
This paper presents the theoretical analysis of the inherent reason of current harmonic and power oscillation phenomena in case of operating the microgrid inverter under unbalanced grid voltage conditions. In order to flexibly control the current harmonic and power oscillation, a new stationary frame control strategy is proposed. It has a simple control structure due to no need of a phase-locked loop and voltage/current positive/negative sequence extraction calculation. The coordinate control of power and current quality is achieved, which enhances the operation performance of microgrid inverter. Finally, the performance evaluation tests are carried out under unbalanced grid voltage conditions. Results verify the effectiveness of the propose method.
引用
收藏
页码：2354 / 2358
页数：5
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