Power Quality Improvement of Microgrids by Virtual Synchronous Generator Control

被引：0
|
作者：
Liu, Jia [1 ]
Miura, Yushi [1 ]
Ise, Toshifumi [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Div Elect Elect & Informat Engn, Osaka, Japan
来源：
10TH INTERNATIONAL CONFERENCE 2016 ELECTRIC POWER QUALITY AND SUPPLY RELIABILITY CONFERENCE (PQ) | 2016年
关键词：
Distributed power generation; droop control; frequency stability; inverter; microgrid; virtual synchronous generator; SYNCHRONVERTERS INVERTERS; AC;
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：
Due to inertia-less feature of inverters, microgrids with high penetration rate of inverter-interfaced distributed generators (DGs) usually suffer from power quality issues such as poor dynamic frequency stability. A promising solution of this issue is to apply virtual synchronous generator (VSG) control concept to inverter-interfaced DGs. In this paper, it is shown that compared to previous microgrid control scheme, e.g. conventional droop control, VSG control can improve microgrid frequency stability during loading transitions and fault events. This conclusion is demonstrated by theoretical time domain response of DG frequency obtained through small-signal analyses, and is verified by simulations performed in PSCAD/EMTDC.
引用
收藏
页码：119 / 124
页数：6
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