Improving the dynamic frequency regulation of a multisource power system considering GRC and dead band with TCSC and SMES
by M. Deepak; Rajesh Joseph Abraham
International Journal of Power and Energy Conversion (IJPEC), Vol. 10, No. 1, 2019

Abstract: Coordinated operation of superconducting magnetic energy storage (SMES) and thyristor controlled series compensator (TCSC) for dynamic frequency regulation on a multisource power system is presented in this paper. The optimal integral gains of the control areas are obtained by tuning a quadratic performance index consisting of frequency deviations and tie-line power error using integral squared error technique. The effects of generation rate constraint and governor dead band nonlinearities are also considered. Time domain simulations carried out in MATLAB on a sample two area multi-unit power system comprising hydro, thermal and gas power plants reveal that the SMES-TCSC combination can effectively damp out deviations in area frequencies and tie-line power flow following a sudden load perturbation with better transient performance and reduced settling time.

Online publication date: Mon, 10-Dec-2018

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