alexa Abstract | 4E Analysis of a Control System for Solid Oxide Fuel Cell and Micro Gas Turbine Hybrid Power System in Marine applications

Journal of Chemical and Pharmaceutical Research
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Abstract

In this paper, energy, exergy, economic, and environmental investigation of a control system for combined heat and power system (CHP) system using solid oxide fuel cell (SOFC) and micro gas turbine (MGT) used for marine power technology in ship propulsion is studied. Wide-ranging thermal, electrochemical, and exergetic calculations in the system are performed in order to get hold of accurate that is validated using available data in literature. A parameter study is accomplished based on the fuel flow rate, fuel utilization, working pressure , rate of air flow into the system, fuel cell current density, stack temperature, fuel unit cost , capital cost ,and electricity price to evaluating the total cost rate including investment costs, operational costs and environmental costs are investigated. Results show that decreasing of the working pressure and rate of air flow into the system; cause the economic performance of the system to increase and the environmental emission to reduce as well as system can achieve a high efficiency. To acquire the maximum efficiency a control system is designed to effectively synchronize the SOFC power and turbine’s rotation subsystem to have the energy for the ship propulsion. What's more, the electrical energy cost is obtained 0.09 $kW-1h-1 and payback period of the investment is about 5.4 years

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Author(s): M Oveisi and M Y Abdollahzadeh

Keywords

mini gas turbine, solid oxide fuel cell, control strategy, marine power, economic analysis, environmental analysis, energy system planning, Analysis of a Control System

 
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