Synchronization Stability Enhancement of Grid-Following Converter Under Inductive Power Grid

被引：13
作者：
Hu, Bin [1 ]
Zhao, Chen [1 ]
Sahoo, Subham [2 ]
Wu, Chao [3 ]
Chen, Liang [4 ]
Nian, Heng [1 ]
Blaabjerg, Frede [2 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310058, Peoples R China
[2] Aalborg Univ, Dept Energy, DK-9220 Aalborg, Denmark
[3] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200240, Peoples R China
[4] NingboTech Univ, Sch Informat Sci & Engn, Ningbo 315100, Peoples R China
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2023年 / 38卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Grid-following converter; phase-locked loop; inductive grid; synchronization stability; STRATEGY;
D O I：
10.1109/TEC.2023.3265518
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：
The loss of synchronization (LOS) is a main issue for dynamic behavior of grid-following converter (GFC) under inductive power grid. This letter reveals the underlying mechanism of insufficient damping or even negative damping during grid disturbance, and analyzes how the initial speed of angle-difference between PLL output and grid voltage affects the synchronization stability. Then a synchronization stability enhancement scheme to add a positive damping and a reverse angular frequency during transient process is proposed in this letter.
引用
收藏
页码：1485 / 1488
页数：4
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