Techno-Economic Feasibility Study of Autonomous Hybrid Wind and Solar Power Systems for Rural Areas in Iran, A Case Study in Moheydar Village

摘要

In this research, a feasibility study of using a small wind turbine as an integrated system with a solar photovoltaic system and a diesel generator was performed using the HOMER optimization model. For this purpose three main scenarios have been taken into account. In the first two scenarios the diesel price was considered 0.8 $/L (Scenario 1) and 1.5 $/L (Scenario 2) and no limits were assumed for emissions of diesel generator. The most efficient system in the first scenario consists of one wind turbine (15 kW), a 75 kW generator, 35 batteries, and a 15 kW converter with renewable fraction of 53%. However in the second scenario, 7 kW photovoltaic array was added to the designed optimal hybrid system and thus the renewable fraction was increased to 71%. In the third scenario the limits were specified for the different pollutants using the CAP (Ontario Clean Air Program) standard. It was revealed that the optimal configuration which contains a 75 kW diesel generator, 21 kW photovoltaic array, 75 kW wind turbines, 50 batteries, and a 20 kW converter would be the most economically feasible. Emission analysis revealed that among all of the designed hybrid systems, highest level of CO2 emissions was observed for a stand-alone diesel system with value of 115,436 kg/yr and the lowest level was observed for the hybrid system in the third scenario with value of 991 kg/yr. Additionally it was proved that the third scenario would be the best option for connecting the system to the grid. 2015 American Institute of Chemical Engineers Environ Prog, 34: 15211527, 2015