Load Frequency Control of RES Interconnected Two area Power Systems Using Fractional Order Controller

Author(s)	Mr. Suraj Kumar, Dr. Sanjeev Kumar Bhagat, Prof. Pooja Jha
Country	India
Abstract	This study presents a fractional order load frequency control scheme for a renewable energy inte-grated two-area interconnected power system. The increasing penetration of photovoltaic and wind gen-eration introduces low inertia and uncertainty, which degrade frequency stability under sudden load var-iations. To address this challenge, a Grasshopper Optimization Algorithm tuned fractional order propor-tional integral derivative controller is proposed. The dynamic model incorporates virtual inertia support, tie-line power exchange, and realistic governor–turbine dynamics. The performance of the proposed controller is compared with several techniques from the existing literature under different operating sce-narios. Simulation results demonstrate significant reduction in frequency deviation, tie-line power oscil-lations, settling time, and integral squared error, confirming the suitability of the proposed method for reliable frequency regulation in modern renewable dominated grids.
Keywords	Frequency Control, Fractional Order PID, Renewable Energy Integration, Grasshopper Optimization Algorithm, Virtual Inertia, Two-Area Power System.
Field	Engineering
Published In	Volume 8, Issue 2, March-April 2026
Published On	2026-04-09

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