Optimal Energy Management of a Hybrid System Composed of PV, Wind Turbine, Pumped Hydropower Storage, and Battery Storage to Achieve a Complete Energy Self-Sufficiency in Residential Buildings

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Abstract
In the realm of positive building design, local energy production systems are gaining prominence. Strategies aimed at advancing this concept often involve optimizing hybrid renewable systems through various means, including sizing, maximizing power extraction, or energy management. Among these, energy management holds particular significance, especially in systems incorporating dual energy storage sources, as addressed in our work. Here, we explore the optimization of hybrid renewable systems, focusing on photovoltaic, wind, pumped storage, and battery storage as energy sources in a proposed hybrid local energy generation system. Managed by a multi-source controller, driven by an optimal energy management system, our approach aims to better fulfill the thermal needs of buildings in semi-arid climates. The system’s modeling and calculation processes are conducted within the TRNSYS environment. Utilizing TRNSYS embedded computers, the controller is programmed according to a tailored energy management algorithm. Simulation results demonstrate the system’s capability to effectively meet energy demands by leveraging renewable energy sources. Notably, our system showcases a remarkable 39% improvement in energy self-sufficiency compared to conventional approaches. Future research endeavors will explore the integration of high-resistivity phase change materials to further enhance positive building design.
Funding Information
  • Pluridisciplinary Research and Innovation Laboratory (LPRI), Moroccan School of Engineering Sciences (EMSI), Casablanca, Morocco

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