Abstract
This study investigates the optimization of control strategies to enhance the performance of a hybrid water pumping system (HWPS) designed for agricultural irrigation applications. The proposed system consists of a wind turbine (WT) equipped with a doubly-fed induction generator (DFIG), a photovoltaic (PV) array interfaced through a DC/DC boost converter, and an induction motor (IM) driving a centrifugal pump. Maximum power point tracking (MPPT) algorithms are implemented to maximize renewable energy extraction, including a speed-independent method for the WT and a hybrid incremental conductance–particle swarm optimization (INC–PSO) algorithm for the PV system. The dynamic models of the DFIG and IM are controlled using a sliding mode control (SMC) strategy, while a dynamic energy management system (EMS) ensures real-time power sharing between the available energy sources. Simulation results demonstrate that the proposed control framework significantly improves system efficiency, operational reliability, and overall sustainability, making it a promising solution for rural irrigation applications.
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