Browsing by Author "AL HAYALI, OTHMAN JASIM MOHAMMED"
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Item TECHNO-ECONOMIC OPTIMIZATION OF STANDALONE MICROGRID HYBRID ENERGY SYSTEM IN ZERO ENERGY BUILDINGS FOR REMOTE COMMUNITY IN ANKARA(2022-01-21) AL HAYALI, OTHMAN JASIM MOHAMMED; Mehrtash, Mehdi; Eseller, Kemal EfeIncremental consumption of electrical energy, fossil fuel reduction, high prices of transmission lines and environmental pollution problems drive the countries to develop zero energy buildings (ZEB) in which electricity is generated from renewable energy sources. Wind and solar are the promising energy sources. However, the intermittence nature of these resources reduces the system reliability. Hybrid renewable energy system (HRES) is considered a solution for this problem. To design a HRES, the investors need to consider the minimum configuration cost. In this study, installation of photovoltaic panel (PV) and wind turbine (WT) systems to electrify 30 households in a remote area in Ankara is simulated. Different scenarios have been considered to obtain the optimal hybrid system that can cover the load with the least costs. Hybrid Optimization Model for Multiple Energy Resources (HOMER) software and Particle Swarm Optimization (PSO) algorithm have been applied to obtain the optimal configuration. The HRES that consists of 107 kW PV, 3×10 kW WT, 10 kW diesel generator (DG) and 45×7.15 kWh units of batteries is chosen as the optimal choice to meet the electrical load demand. The cost of energy (COE) and net present cost (NPC) are found as 0.25 $/kWh and 568431 $, respectively. In sensitivity analysis, effects of PV and WT capital costs, fuel price and type of batteries on the system performance are examined to verify the results. As a result, doubling the fuel price has been observed to increase the COE and NPC around 14% and 13%, respectively. As the PV and WT capital costs halved, the COE and NPC decreased by 20% and 12%, respectively. Utilizing a specific battery technology has been seen to reduce both the overall price and gas emissions.