Designing of Load Frequency Controller for Two-Area Interconnected Power System using Grey Wolf Optimization

This paper presents a deep insight on load frequency control of Thermal, Hydro and Gas Turbine power plant using RFB and SSSC technology. Thermal and Hydro power system along with Gas power plant with governor, dead band, diesel engine generator in both Two-area network for power generation. Whenever a load change occurs in the system, frequency deviation occurs. In order to mitigate the deviation occurred in the system, a PI controller is optimized. Parameters of controller are optimized using Grey Wolf Optimization techniques. RFB battery is installed in the system for the purpose of energy storage and its effectiveness on the frequency deviation stability is studied. Steady state stability analysis has been carried out for different cases without RFB and SSSC and with RFB and SSSC. The system is simulated under different operating conditions and obtained results show the appropriateness of the controller.