Parameters Design of Pre-synchronization for Multiple Virtual Synchronous Generator Based Microgrid

被引：0
|
作者：
Wu, Jiaqi [1 ]
Zhuo, Fang [1 ]
Zhu, Chengzhi [2 ]
Wang, Zhenxiong [1 ]
Yi, Hao [1 ]
Wei, Tongjia [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Shaanxi, Peoples R China
[2] Zhejiang Elect Power Corp, Hangzhou, Zhejiang, Peoples R China
来源：
THIRTY-FOURTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2019) | 2019年
基金：
中国国家自然科学基金;
关键词：
microgrid; pre-synchronization; grid-connection; virtual synchronous generator; parameter design;
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：
A pre-synchronization method for microgrids based on virtual synchronous generators has been presented to reduce inrush current and achieve seamless transition from islanded mode to grid-connected mode. And pre-synchronization units that consist of a frequency regulator, a voltage magnitude regulator and a phase regulator is added to each inverters in microgrid. This paper presents designing of the parameters of pre-synchronization for multiple virtual synchronous generator based microgrid, including integral time constant for PI controller of active power control loop, integral time constant for phase, droop coefficient and virtual inertia. In addition, the effect of pre-synchronization parameters on the reliability of the system is discussed by simulation, and some suggestions on parameters design are also provided and verified.
引用
收藏
页码：3184 / 3188
页数：5
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