DHP based controller design for interconnected AGC scheme

In this work, an optimized control scheme based on adaptive critics approach is proposed for multiarea power system like two and three area complex interconnected power systems. The controller is designed with Dual heuristic programming (DHP) technique which provides optimal result with minimization of objective function. The proposed controller performance is analyzed at various loading environments and on nonlinearity like generation rate constraint (GRC). The results display the enhanced performance of controller, even in GRC too. The performance of DHP controller and discrete linear quadratic regulator (DT-LQR) has been compared, and it is observed that DHP controller displays better performance compared to DT-LQR.