Small-signal analysis and modeling of parallel inverters based on the droop control method in micro-grid

被引：0
|
作者：
Zhang, Xuan [1 ]
Liu, Jinjun [1 ]
You, Zhiyuan [1 ]
Zhou, Linyuan [1 ]
机构：
[1] Xi An Jiao Tong Univ, Dept Elect Engn, Xian 710049, Peoples R China
来源：
2013 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2013年
关键词：
CONNECTED INVERTERS; OPERATION; STABILITY;
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：
This paper presents a small-signal model of parallel inverters based on the droop control method for power sharing in a stand-alone micro-grid. The control method for parallel inverters is based on the frequency-active power and amplitude-reactive power droops, which only depends on the local variable measurements. The small-signal stability is analyzed and some root locus plots are provided with the variation of some important parameters in the main circuit and the control circuit. The accuracy of the model is verified by comparing the transient process derived from the model and the transient process derived by the simulations of the original switching model. The simulation and experimental results also verify the accuracy of the prediction of system stability by root locus plots.
引用
收藏
页码：4580 / 4586
页数：7
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