A Smooth Transfer Control Strategy for Distributed Generation Units Based on Generalized Droop Control

被引：0
|
作者：
Meng, Xin [1 ]
Liu, Jinjun [1 ]
Liu, Zeng [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, State Key Lab Elect Insulat & Power Equipment, Xian, Shaanxi, 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：
generalized droop control; smooth transfer; grid-connected mode; stand-alone mode; SEAMLESS TRANSFER; OPERATION; INVERTER; MODES;
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：
In this paper, the smooth transfer ability of inverter with generalized droop control (GDC) is analyzed. With a well-designed controller, the GDC can achieve satisfactory control performance. Compared with traditional droop control, it can provide virtual inertia and damping properties; therefore, when the grid is broken, the change of frequency of output voltage of inverter with GDC is smoother than that of inverter with droop control. Compared with virtual synchronous generator (VSG) control, although both of them can provide virtual inertia and damping properties, during the reconnection process from SA mode to GC mode, the overshoot and oscillation of grid current of inverter based on GDC is smaller than that of VSG control based inverter. The effectiveness is validated by the simulation and experimental results.
引用
收藏
页码：3293 / 3299
页数：7
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