Techno economic reliability analysis of a hybrid microgrid for rural residential applications

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Chinese explanation / 中文解读

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Original abstract

Abstract The increasing demand for reliable and sustainable energy in rural areas necessitates the development of efficient hybrid microgrid systems. This paper proposes a Grid-Integrated Hybrid Microgrid System (GIHMGS) that integrates solar photovoltaic (PV), wind energy, diesel generator, Battery Energy Storage System (BESS), and hydrogen-based energy storage to ensure reliable and cost-effective power supply. The GIHMGS is coupled with a hydrogen tank and hydrogen loads to produce hydrogen using surplus electricity for energy management strategies. With the goal to provide remote locations with sustainable power using renewable energy sources, a hybrid microgrid system has become increasingly important in recent years. This article includes the growing importance of renewable energy sources and distributed generation, highlighting the necessity for smart control systems to maximize benefits and network performance. A realistic residential load profile based on Kumbhara Pada Lane, Puri, is considered to evaluate system performance. The proposed system employs a bidirectional grid interaction strategy, enabling power import during deficits and export during surplus generation, along with seamless transition between grid-connected and islanded modes. The integration of hydrogen storage enhances long-term energy balancing, while BESS supports short-term fluctuations. The main objective of this research is to determine the potential for power production in the chosen location to create the best hybrid microgrid system possible. The optimal system includes renewable energy sources, hydrogen tank, electrolyzer, generator, battery storage, boiler, thermal load controller (TLC), and power converter and are performed by comparing the lowest levelized cost of energy (LCOE), minimum net present cost (NPC), and operational and maintenance expenses (O&M). Based on the results, the proposed strategy is better for the environment as, it emits less carbon dioxide (CO 2 ). This analysis demonstrates that the hybrid system under consideration may be a suitable model to supply dependable electricity for the area under consideration at a reasonable cost of generation.

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