Power system stability has been and will continue to be a key challenge in power system operations due to power system oscillations caused by complicated interconnections.
Efforts have been made to dampen power system oscillations in order to improve power system stability. The instability caused by complex linkages is known as small signal stability. With power system stabilisers, small signal stability can be reduced (PSS). PSS, on the other hand, has several drawbacks, such as substantial voltage profile changes and the potential for leading power factor operations, both of which can degrade system stability in the face of severe disturbances. Traditional PSS may not be enough to attenuate inter-area oscillations and the influence of voltage profile fluctuation in large multi-machine power systems. Flexible Alternating Current Transmission System (FACTS) power electronic systems, on the other hand, are good at dampening inter-area oscillations and can tolerate voltage changes. As a result, this research provides a complete analysis and assessment of PSS and FACTS power oscillation damping (POD) controllers in minimising low frequency oscillations using computational intelligence methodologies. It is emphasised the necessity of technical paper publishing on PSS and FACTS-based controller design, optimum location, and parameter tuning. Finally, some future research directions for innovative PSS and FACTS devices are suggested as a resource for researchers.Author (s) Details
J. Usman
Department of Electrical Engineering, Faculty of Engineering, University of Maiduguri, Borno State, Nigeria.
M. W. Mustafa
Faculty of Electrical Engineering, Universiti Teknologi Malaysia, UTM Johor Bahru, Malaysia.
G. Aliyu
Niger State Polytechnic Zungeru, Niger State, Nigeria.
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