Design of nonlinear robust excitation control for multimachine power systems

被引:31
|
作者
Sun, C
Zhao, Z
Sun, Y
Lu, Q
机构
[1] Department of Electrical Engineering, Tsinghua University
关键词
H-infinity control theory; feedback linearisation; power system; robust control; system stability;
D O I
10.1049/ip-gtd:19960349
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
The nonlinear robust control problem of power systems is investigated in the paper. A novel controller for the generator excitation system is set up, based on a combination of H-infinity control theory and an exact feedback linearisation approach. The properties of the controller are its complete decentralisation and robustness. The design is well suited to a multimachine system in that it is not based on a infinite bus approximation. Simulation performed on a 13-machine system shows that the proposed controller can not only improve the dynamic performance of the power system but also enhance the system stability, especially the large disturbance stability.
引用
收藏
页码:253 / 257
页数:5
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