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Adaptive excitation control with L2 disturbance attenuation for multi-machine power systems

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3 Author(s)
Mei, Shengwei ; Department of Electrical Engineering, Tsinghua University, Beijing 100084, China ; Jin, Minjie ; Shen, Tielong

Generator excitation control plays an important role in improving the dynamic performance and stability of power systems. This paper is concerned with nonlinear decentralized adaptive excitation control for multi-machine power systems. Based on a recursive design method, an adaptive excitation control law with L2 disturbance attenuation is constructed. Furthermore, it is verified that the proposed control scheme possesses the property of decentralization and the robustness in the sense of L2-gain. As a consequence, transient stability of a multi-machine power system is guaranteed, regardless of system parameters variation and faults.

Published in:

Tsinghua Science and Technology  (Volume:9 ,  Issue: 2 )