Title :
Robust nonlinear controller design for transient stability enhancement of power systems
Author :
Wang, Youyi ; Xie, Lihua ; Hill, David J. ; Middleton, Richard H.
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore
Abstract :
A robust DFL (direct feedback linearization) nonlinear excitation controller is proposed to enhance transient stability for power systems. A robust control technique for linear systems is extended to design this controller. The design of the controller is independent of the operating point. Simulation results show that the controller has the following advantages: the fault location does not need to be known and the controller can overcome the variation of the reactance of the transmission line. Both transient stability enhancement and voltage regulation can be achieved
Keywords :
control system synthesis; linearisation techniques; nonlinear control systems; power system control; stability; voltage control; design; direct feedback linearization; nonlinear controller; nonlinear excitation controller; power systems; transient stability; transmission line reactance; voltage regulation; Control systems; Linear feedback control systems; Linear systems; Nonlinear control systems; Power system faults; Power system simulation; Power system stability; Power system transients; Robust control; Robust stability;
Conference_Titel :
Decision and Control, 1992., Proceedings of the 31st IEEE Conference on
Conference_Location :
Tucson, AZ
Print_ISBN :
0-7803-0872-7
DOI :
10.1109/CDC.1992.371542
