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Robust adaptive excitation control of synchronous generators in multimachine power systems under parametric uncertainties and external disturbances
conference contribution
posted on 2018-01-18, 00:00 authored by Tushar Kanti Roy, Apel MahmudApel Mahmud, Aman Maung Than OoAman Maung Than Oo, Enamul HaqueEnamul HaqueIn this paper, a robust adaptive excitation control scheme is proposed for synchronous generators in multimachine power systems. The controller is designed to provide robustness against parametric uncertainties and external disturbances while enhancing the transient stability of multimachine power systems. The dynamics of synchronous generators and excitation systems are used to design the controller. The parametric uncertainties are incorporated by considering the parameters of synchronous generators and exciters, which degrades the stability margin, as totally unknown. The unknown parameters are estimated through adaptation laws and external disturbances are bounded to guarantee the overall stability of multimachine power systems. The stability of multimachine power systems is analyzed using control Lyapunov functions (CLFs) and proved through the negative semi-definiteness of the derivative of CLFs. The performance of the proposed control scheme is evaluated on an IEEE standard 10 Machine 39-bus New England test system and compared with an existing adaptive excitation controller.
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Volume
2018-JanuaryPagination
2655 - 2660Publisher DOI
ISBN-13
9781509028733Publication classification
E Conference publication; E1 Full written paper - refereedCopyright notice
2017, IEEETitle of proceedings
2017 IEEE 56th Annual Conference on Decision and Control, CDC 2017Usage metrics
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