Stability analysis of multi-machine system using FACTS devices

Manoj Kumar Kar ()
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Manoj Kumar Kar: Tolani Maritime Institute

International Journal of System Assurance Engineering and Management, 2023, vol. 14, issue 6, No 9, 2136-2145

Abstract: Abstract Multimachine systems are complex power systems consisting of multiple generators, loads, and transmission lines. In these kinds of systems, maintaining stability is a difficult task. Different damping controllers, like the power system stabilizer and FACTS controllers, are used to maintain stability. The design of the control scheme ensures that the PSS and SSSC work together in a coordinated manner. The controller parameter is optimized by using metaheuristic methods. In this work, a salp swarm algorithm (SSA) is proposed to tune the controller parameters for the multi-machine system. The statistical analysis is carried out to assess the performances of the SSA method against some other promising methods. The objective of this work is considered as minimization of rotor speed deviation. The rotor speed deviation is suppressed by using SSA tuned damping controllers. The mean rotor speed deviation obtained using SSA is 0.000601 pu. Using MATLAB simulation, the performance of multi-machine system is examined in terms of speed deviation between inter-area and local-area, injected voltage, and tie-line power. The simulation result suggests the supremacy of SSA over other methods considered for comparative study.

Keywords: FACTS; PSS; Power system stability; SSA; SSSC (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s13198-023-02044-6

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