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Robust adaptive fuzzy excitation control of multi-machine, electric power system

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3 Author(s)
Liang Zhishan ; Northeast China Electr. Power Inst., Jilin City, China ; Pan Kaiyan ; Zhang Huaguang

In this paper, an adaptive robust fuzzy controller is first proposed to enhance transient stability for power systems. An adaptive robust fuzzy systems approach to state feedback input/output linearizing controller is outlined. The analysis is based on a general nonlinear system, with uncertainties satisfying the matching conditions. The adaptive fuzzy system is incorporated into the control system as an outer feedback loop to increase the robustness of the i/o linearizing controller. The adaptive fuzzy system is also intended to add “intelligence” with the conventional i/o linearizing controller. The design of the resulting controller is independent of the operating points. Simulation results of a three-machines system show that transient stability of a power system can be improved under a large sudden fault

Published in:

Power System Technology, 1998. Proceedings. POWERCON '98. 1998 International Conference on  (Volume:2 )

Date of Conference:

18-21 Aug 1998