Inverse Characteristic Locus Method for Power System Low-Frequency Oscillation Control and Optimal Design

被引：0
|
作者：
Shi, Peng [1 ]
Wang, Yongcan [1 ]
Wang, Xi [1 ]
Fan, Chengwei [1 ]
Bai, Jiayu [1 ]
Chen, Baorui [1 ]
Xu, Hao [2 ]
Gan, Deqiang [2 ]
Wang, Chutong [2 ]
机构：
[1] State Grid Sichuan Elect Power Res Inst, Chengdu 610041, Peoples R China
[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China
来源：
PROCESSES | 2025年 / 13卷 / 03期
关键词：
small-signal stability; low-frequency oscillation; wind turbine generator; inverse characteristic locus method; STABILITY ANALYSIS; ROBUST STABILITY;
D O I：
10.3390/pr13030920
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Recent results indicate that the characteristic locus method provides a convenient approach for analyzing power system low-frequency stability. In this study, an enhanced version of the method, referred to as the inverse characteristic locus method, is introduced. By inverting the similarity matrix of the loop transfer function matrix of the system, a more reliable and accurate stability metric is obtained. The proposed method is applied to assess the impact of changes in wind turbine generator (WTG) dynamics and system operating conditions on stability. Simulation results demonstrate that variations in system operating conditions exert a greater influence on stability compared to changes in WTG dynamics.
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页数：15
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