Abstract
Photovoltaic (PV) technology is one of the prominent renewable energy technology used for electrical power generation today. Due to the intermittent generation, PV electricity often needs to be augmented with other renewable sources to provide alternative power during periods of low insolation. Fuel cell (FC) is an attractive option as a secondary source with PV as it offers high energy density and carbon free energy. A Photovoltaic-electrolyzer-fuel cell hybrid system is designed in TRNSYS© software for laboratory load profile. System components ratings are optimized by analyzing the simulation results. The performance of the hybrid system is also evaluated using simulation results for given load profile and location. Electrolyzer of 600 W rating was selected for our operating configuration. Annual PV and FC power production are 9659 kWh and 588 kWh respectively. The electrolyzer power consumption is 2050 kWh. Annual production and consumption of H 2 are 339 m3 and 327 m3 respectively. As per the simulation results PV efficiency varies from 10.27 % to 12.65 %, FC efficiency varies from 48.70 % to 60 % and electrolyzer efficiency is 58.25 %. The overall efficiency of hybrid system is 4 %. A PV-FC hybrid system based on this simulation has been installed at Centre for Energy Studies, IIT Delhi.
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