Torsional interaction studies on a power system compensated by PSO optimised static synchronous series compensator
by Chetan Kotwal; G.N. Pillai; H.O. Gupta
International Journal of Power and Energy Conversion (IJPEC), Vol. 4, No. 2, 2013

Abstract: In this paper, particle swarm optimisation (PSO) is used to optimise the PI controller parameters of the d.c. link voltage controller of a 48 pulse static synchronous series compensator (SSSC). The optimised controller improves the torsional performance of the SSSC compensated power system. High gain of power system stabilisers (PSS) can adversely affect the torsional performance of an SSSC compensated power system. By properly selecting the parameters of the dc link voltage controller of the SSSC, these adverse interactions are eliminated. The study system considered is the IEEE first benchmark model for sub-synchronous resonance (SSR). The stability of the system is determined from eigenvalue analysis. Non-linear simulations using PSCAD are performed to verify the results of eigenvalue analysis.

Online publication date: Mon, 31-Mar-2014

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