Optimal operational strategy of hybrid PV/wind renewable energy system using homer: a case study
Guiju Zhang, Caiyuan Xiao, Navid Razmjooy
Abstract
This study presents an optimal configuration of a hybrid renewable energy source with a wind turbine and a photovoltaic system to fulfil the required electricity power of a medium-size workshop in an industrial area in Ardabil, Iran. The paper presents a technoeconomic analysis for achieving the least-cost configuration using historic data from supply and demand sides. The results show that due to the windy climatic conditions in the studied area, a large percentage of the generated energy is supplied by wind energy resources. Eight feasible configurations including Diesel, Diesel/Battery, PV/Diesel /Battery, Wind/Diesel/Battery, PV/Wind/Diesel/Battery, PV/Diesel, Wind/Diesel, and PV/Wind/ Diesel are considered in hourly-based simulations. Energy cost is calculated for different conditions. The results show that the integration of 13 kW diesel generator, 1 kW PV array, 2 numbers of 3 kW wind turbine, 6.13 kW converter and 27 strings of 1 kW lead-acid batteries storage bank is the best configuration that leads to the minimum Levelized Cost of Energy (COE) of 0.462 $/kWh in Ardabil area.