Application of adaptive synergetic control to power systems with superconducting magnetic energy storage system
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Author list: Kanchanaharuthai A., Mujjalinvimut E.
Publication year: 2017
Journal: International Journal of Innovative Computing, Information and Control (1349-4198)
Volume number: 13
Issue number: 6
Start page: 1873
End page: 1885
Number of pages: 13
ISSN: 1349-4198
Languages: English-Great Britain (EN-GB)
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Abstract
This paper deals with a nonlinear adaptive control design based on synergetic control theory to stabilize an electric power system including superconducting magnetic energy storage (SMES) system. With the help of this method, the developed controller can not only improve transient stability and voltage regulation of the system including SMES device, but also ensure the asymptotical stability of the overall closed-loop system by considering a damping coefficient and an unknown, but bounded, small perturbation in mechanical input as unknown parameters. The dynamic characteristics of the proposed control are studied in a single-machine infinite bus (SMIB) system with SMES. The simulation results are presented to validate the effectiveness and feasibility of the developed control scheme and compared with those of an adaptive immersion and invariance (I&I) technique. Further, they exhibit that even though the presented method has simpler design procedure, it can offer better transient performances than the adaptive I&I method in damping oscillations. ฉ 2017 ICIC International.
Keywords
Generator excitation, Synergetic control theory, Transient stability
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