Voltage Sag Ride-through Performance of Virtual Synchronous Generator

被引：0
|
作者：
Alipoor, Jaber [1 ]
Miura, Yushi [1 ]
Ise, Toshifumi [1 ]
机构：
[1] Osaka Univ, Div Elect Elect & Informat Engn, Suita, Osaka, Japan
来源：
2014 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-HIROSHIMA 2014 - ECCE-ASIA) | 2014年
关键词：
distributed generation; inverter; voltage sag; DISTRIBUTED GENERATION; DIPS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Virtual Synchronous Generator (VSG) is an inverter control structure that supports power system stability by imitating a synchronous machine. Because of the limitation in inverter power and current, their operation under disturbances should be evaluated and enhanced. In this paper, the VSG unit response to different types of faults at grid side is assessed. Besides, a theoretical analysis that traces the trajectory of state variable of the system during voltage sag is represented to justify the effect of the characteristics of symmetrical and unsymmetrical voltage sags. Knowing the critical characteristics (duration and initial point-on-wave) of each type of voltage sag created by fault, proper measures can be embedded to eliminate the hazardous consequences of voltage sags. Furthermore, three additional controllers for voltage sag ride-through enhancement are implemented and tested by experiments.
引用
收藏
页码：3298 / 3305
页数：8
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