Renewable Energy Driven Pumping Systems and Application for Desalination: A Review of Technologies and Future Directions
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Desalination is a vital solution to global water scarcity, yet its substantial energy demand persists as a major challenge. As the core energy-consuming components, pumps are fundamental to both membrane and thermal desalination processes. This review pro-vides a comprehensive analysis of renewable energy sources (RES)-driven pumping systems for desalination, focusing on the integration of solar photovoltaic and wind technologies. It examines the operational principles and efficiency of key pump types, such as high-pressure feed pumps for reverse osmosis, and underscores the critical role of energy recovery devices (ERDs) in minimizing net energy consumption. Furthermore, the paper highlights the importance of advanced control and energy management sys-tems (EMS) in overcoming the intermittency of renewable sources. It details essential control strategies, including maximum power point tracking (MPPT), motor drive con-trol, and supervisory EMS, that optimize the synergy between pumps, ERDs, and varia-ble power inputs. By synthesizing current technologies and control methodologies, this review aims to identify pathways for designing more resilient, energy-efficient, and cost-effective desalination plants, supporting a sustainable water future.