Small Signal Stability Analysis of Micro-source Inverter System in Series Micro -grids

被引：0
|
作者：
Wang Xinggui [1 ,3 ]
Zhang Jianhua [1 ]
Cao Xisheng [2 ]
Yang Weiman [1 ,3 ]
机构：
[1] Lanzhou Univ Technol, Coll Elect Engn & Informat Engn, Lanzhou 730050, Peoples R China
[2] State Key Lab Project Large Scale Elect Drive Sys, Tianshui 741000, Peoples R China
[3] Lanzhou Univ Technol, Kcy Lab Gansu Adv Control Ind Proc, Lanzhou 730050, Peoples R China
来源：
PROCEEDINGS OF THE 30TH CHINESE CONTROL AND DECISION CONFERENCE (2018 CCDC) | 2018年
基金：
中国国家自然科学基金;
关键词：
series micro-grid; small signal dynamic model; step response analysis; stability;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In order to analyze the dynamic performance of the micro -grid system in the island mode, the small signal dynamic model of the series micro-grids system is well established, it mainly includes three sub -models: the series inverter model, voltage and current controllers model and load model. Based on the model, the step response of the system is ealcculated when the active load is increased, and the same operating state is simulated by MATLAB/Simulink software. Meanwhile, further analyzing the small signal stability of the micro -grid of the micro -source inverter by calculating the eigenvalues of the coefficients matrix. And the influence of the change of the equivalent resistance and line inductance on the small signal stability of the systenalt is found that the variation of the equivalent resistance and the line impedance parameters will make the system stability worse.
引用
收藏
页码：4980 / 4985
页数：6
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