A Flexible Virtual Capacitance Control Strategy for DC Micro-grid

被引：0
|
作者：
Song, Meiqi [1 ]
Fan, Shixiong [2 ]
Wang, Yi [1 ]
Liu, Xingwei [2 ]
Zou, Peigen [1 ]
机构：
[1] North China Elect Power Univ, Key Lab Distributed Energy Storage & Microgrid He, Baoding, Peoples R China
[2] China Elect Power Res Inst, Dept Power Automat, Beijing, Peoples R China
来源：
2018 2ND IEEE CONFERENCE ON ENERGY INTERNET AND ENERGY SYSTEM INTEGRATION (EI2) | 2018年
关键词：
DC micro-grid; inertia; VSG control; FVC control;
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：
Compared with AC grid, DC micro-grid has little inertia. Therefore, when the system suffers from transient disturbance, it is easy to cause DC voltage mutation and even system instability. In the AC system, the inertia can be developed by applying virtual synchronous generator(VSG) control to the converter. A flexible virtual capacitance(FVC) control strategy for DC micro-grid is proposed by analogizing the correspondence of variables between AC and DC systems. Potential " inertia" in DC micro-grid can be developed with the proposed control strategy, and the system stability can be improved by restraining the mutation of DC voltage.
引用
收藏
页码：616 / 619
页数：4
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