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Chemical Process Technology

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Sunday, May 16, 2010

The basic principle of the Combined Cycle is by burning gas in a gas turbine (GT) produces electric power by a coupled generator and routing hot exhaust gases through a water-cooled heat exchanger produces steam, which can be turned into electric power with a coupled steam turbine and generator.

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This set-up of Gas Turbine, waste-heat boiler, steam turbine and generators is called a combined cycle. This type of power plant is being installed in increasing numbers round the world where there is access to substantial quantities of natural gas. This type of power plant produces high power outputs at high efficiencies and with low emissions. It is also possible to use the steam from the boiler for heating purposes so such power plants can operate to deliver electricity alone

Efficiencies are very wide ranging depending on the lay-out and size of the installation and vary from about 40-56% for large new natural gas- fired stations. Developments needed for this type of energy conversion is only for the gas turbine. Both waste heat boilers and steam turbines are in common use and well-developed, without specific needs for further improvement.



The primal objective of this report is to show the efficiency into simulate a Gas Power Plant with Combined Cycle technology with HYSYS software; and to optimize the process to get the biggest possible economic benefit, making changes in the feed variables of the combined cycle plant. The data of this project are based on the document of the Department of Energy of United States.

Read more in "Simulation of Gas Power Plant"
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posted by Webworm, 6:06 AM

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