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Mathematical modeling reveals that upgraded biogas improves output voltage in gas turbines, suggesting a shift from natural gas.
This study investigates the impact of replacing natural gas with upgraded biogas on the output voltage of gas turbines. The primary objective is to determine the variations in voltage output due to the distinct com position and energy content of upgraded biogas, particularly its high methane content. A mathematical modeling and simulation approach was employed using MATLAB to model the combustion and thermodynamic processes within the turbine. For the first time, to our knowledge, this study addresses the effect of the elevated methane concentration in upgraded biogas on gas turbine performance, focusing on voltage output. The results indicate that upgraded biogas, with its higher calorific value and more efficient combustion characteristics; can surpass natural gas in terms of energy output. These findings highlight the potential of upgraded biogas as a viable and superior alternative to natural gas, contributing to sustainable energy production and reducing dependence on fossil fuels. This research provides a foundation for further studies on integrating biogas into modern energy systems and optimizing gas turbine operations for renewable energy sources. Keywords gas turbine, purified biogas, natural gas, output voltage, methane content
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