Frequency regulation of a power system integrated with renewables using a novel DE-DA optimised controller
by Sayantan Sinha; Ranjan Kumar Mallick; Srikant Pattnaik
International Journal of Mathematical Modelling and Numerical Optimisation (IJMMNO), Vol. 10, No. 1, 2020

Abstract: The proposed research paper mainly focuses on the automatic generation control of an interconnected power system integrated with solar power. The work has taken into consideration a two area power system consisting of a conventional thermal power source and a solar power plant in one area. The penetration of renewable sources gives rise to deviations of frequency from their scheduled values. The AGC plays a very important role in minimising the frequency deviations of the system by reducing the area control error to zero with the help of suitable controllers. A maiden attempt has been made to incorporate two degree of freedom proportional integral and derivative controller for AGC purposed. A novel attempt has been made to design a hybrid optimised dragonfly algorithm - differential evolution technique for tuning the controller gains. The performance of the controller is also compared with the conventional PID controller under a system disturbance of 0.01 p.u when applied to area 1. The system performances are further analysed with varying system parameters and different loading conditions. Comparisons with traditional PID controllers have also been done in terms of dynamic system parameters like settling time, maximum overshoot and minimum undershoot.

Online publication date: Fri, 03-Jan-2020

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