Abstract
In interconnected power system, frequency control problem is much more complex with variations in size and load. Two different areas are taken in which area 1 consists of three thermal reheat turbines with renewable energy sources, i.e., DFIG wind turbine, Photovoltaic generation system, fuel cell, battery storage system, and aqua electrolyzer. Area 2 consist of three non-reheat turbines with renewable energy sources, i.e., DFIG wind turbine, Photovoltaic generation system, fuel cell, battery storage system, and aqua electrolyzer. In this, three controllers are used, namely PID, PIDF, and cascaded PD-PI controllers. The controller parameters are effectively tuned by the “Teaching Learning Based Optimization” technique. 1% step load disturbance is applied in area 1 for analyzing the performance of the system. The performance of the power system with and without renewable energy sources is done in MATLAB software. The dynamic response of the considered system is compared in terms of undershoots, overshoots, and settling times.
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