Evaluating Small-Signal Synchronization Stability of grid-forming converter through Complex Impedance Plane

被引：0
|
作者：
Yu, Jiale [1 ]
Deng, Han [1 ]
Tang, Yi [1 ]
Qi, Yang [2 ]
Liu, Xiong [3 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore
[2] Northwestern Polytech Univ, Sch Automat, Xian, Peoples R China
[3] Jinan Univ, Energy Elect Res Ctr, Zhuhai, Peoples R China
来源：
2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2021年
关键词：
grid-forming converter; synchronization; small-signal stability; virtual impedance;
D O I：
10.1109/ECCE47101.2021.9595798
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This paper analyzes the synchronization stability of grid-forming converter. The impact of line impedance on small-signal stability is analyzed through the Routh criterion. Moreover, the stable and unstable regions are explicitly identified on the complex impedance plane, providing clear insights into the stability evaluation. Based on the analysis, a virtual inductance is synthesized to guarantee the synchronization stability without knowing line impedance information. The effectiveness of the proposed approach is verified by preliminary experimental results.
引用
收藏
页码：2847 / 2852
页数：6
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