Improving Gas Turbine Performance in an Island Energy System Using Fuel Cells

Document Type : Original Article

Authors

1 M.Sc. Student, School of Energy Engineering and Sustainable Resources, College of Interdisciplinary Science and Technology, University of Tehran, Tehran, Iran

2 Assistant Professor, School of Energy Engineering and Sustainable Resources, College of Interdisciplinary Science and Technology, University of Tehran, Tehran, Iran

10.22059/ses.2024.382693.1098

Abstract

Given the challenges of sustainable energy supply in islanded networks and the importance of reducing losses and environmental pollutants, the use of hybrid energy supply systems is on the rise. This research presents an optimal and economical method for designing a hybrid energy supply system comprising Combined Heat and Power (CHP) sources, boilers, and fuel cells. The primary aim is to achieve network stability, reduce operational costs, and improve maintenance management by minimizing environmental pollutants and reducing water resource usage. The system design is conducted using HOMER software, considering operational, fuel, and maintenance costs as well as technical constraints, including power balance maintenance and production limits for each source. The results indicate that the optimal scenario, consisting of three gas turbines and four fuel cell units, leads to increased network stability, reduced reserve capacity needs, a 6.5% reduction in fuel consumption, and a reduction in emissions: nitrogen oxides by 15%, carbon dioxide by 9%, carbon monoxide by 14.6%, unburned hydrocarbons by 18%, and particulate matter by 11%. This design can serve as a sustainable and economical solution for energy supply in islanded networks, offering high efficiency with minimal environmental impact.

Keywords

Main Subjects


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