Sliding Mode Based Dynamic State Estimation for Synchronous Generators in Power Systems

被引:11
|
作者
Rinaldi, Gianmario [1 ]
Menon, Prathyush P. [2 ]
Edwards, Christopher [2 ]
Ferrara, Antonella [1 ]
机构
[1] Univ Pavia, Dept Elect Comp & Biomed Engn, I-27100 Pavia, Italy
[2] Univ Exeter, Coll Engn Math & Phys Sci, Exeter EX4 4QF, Devon, England
来源
IEEE CONTROL SYSTEMS LETTERS | 2018年 / 2卷 / 04期
关键词
Observers for nonlinear systems; variable-structure/sliding-mode control; power systems;
D O I
10.1109/LCSYS.2018.2849585
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This letter deals with the design of a robust sliding mode observer for dynamic state estimation applied to synchronous generators in power systems. Assuming only the frequency deviation of the generator is measured via phasor measurement units, we use a robust sliding mode estimation technique to dynamically reconstruct the rotor angle and the transient voltage. The adopted estimation technique is insensitive to matched bounded uncertainties affecting the dynamics of the synchronous generator. A stability analysis and tuning rules for the observer are also provided. Numerical simulations confirm the validity of the approach.
引用
收藏
页码:785 / 790
页数:6
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