Optimal Sizing, Selection, and Techno-Economic Analysis of Battery Storage for PV/BG-based Hybrid Rural Electrification System

摘要

The focus of the paper is on the renewable energy-based rural electrification system. Two concepts have been used in finding solutions to the issues related to this micro-grid system. The first is the best fitted model of hybrid configuration system, which utilizes village-owned resources, such as abundant biomass and solar irradiation. The second is that observed improved performance in terms of system sizing, techno-economic performance, and environmental stability of the hybrid model over different power storage backup media. The practical aspects and suggestion over the hybrid village electrification system have been presented through a case study of Korkadu village, Puducherry state, India. A comparative analysis of the hybrid model has been made with different power storage backup systems, namely the solid-state battery (lead acid-ASM battery, Li-ion-ASM battery) and flow battery (Redflow ZBM2 battery) arrangement. The result revealed hybrid rural electrification system with LI battery as the most favourable choice of the electrification system to the village, considering that its economic factor includes the total net present cost, cost of energy are found to be lowest. The technical parameters of power production capacity surface and battery state of charge were observed to be optimum with reduction in the environmental pollution parameter (GHS emission) value.