Friday, July 8, 2011

Gas Turbine Generator Design

Gas turbine generator is a first mover that is designed to convert potential energy into kinetic energy and the gas kinetic energy is then converted into mechanical energy in the form of rotation turbine shaft. Turbine shaft is connected by driven mechanism directly or with help of reduction gears. Gas turbine can be designed for industries purpose such as manufacturing process and transportation. Gas turbine can be also designed to drive electric generator in power plant.
Figure 1: recuperative medium–sized Industrial Gas Turbine (Courtesy Solar Turbines Incorporated)

Design gas turbine use gas as its working fluid. The simplest gas turbine system consists of generator, combustion chamber, and compressor. The compressor compresses air from outside to be high pressure air and fed to combustion chamber. Natural gas is burnt together with compressed air in the combustion chamber. Hot gas out of the burner or reactor can be used directly as a working fluid which flowed into turbine to drive rotor which is connected to electric generator.
Figure 2: Installation Diagram of Gas Turbine

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