Admittance-Based Stability Analysis: Bode Plots, Nyquist Diagrams or Eigenvalue Analysis?

被引：94

作者：

Fan, Lingling ^{[1
]}

Miao, Zhixin ^{[1
]}

机构：

[1] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2020年 / 35卷 / 04期

关键词：

Eigenvalues and eigenfunctions; Power system stability; Stability criteria; Admittance; Impedance; Circuit stability; Stability analysis; inverters; admittance; stability criteria; WIND;

D O I：

10.1109/TPWRS.2020.2996014

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In the literature, Bode plots and Nyquist diagrams are used extensively in stability analysis for admittance-based models. In this letter, we demonstrate that eigenvalues obtained from the total admittance lead to accurate prediction of stability while Bode plots and Nyquist diagrams show limitations. A voltage source converter with weak grid interconnection is used as an illustrative example to demonstrate the pros and cons of the three methods applied to dq-frame admittance matrices.

引用

页码：3312 / 3315

页数：4

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