Gas turbine power plant ppt

Gas Turbine for Power Generation Market Size - This study presents the Gas Turbine for Power Generation production, revenue, market share and growth rate for each key company, and also covers the breakdown data (production, consumption, revenue and market share) by regions, type and applications. Each unit has 1 gas turbine and one 1 steam turbine. The gas turbine is used where high power and speed are chief deliberation. Its so called Combine Cycle due to combination of Gas Turbine & Steam Turbine. The air turbine (compressor) draws in air, compresses it and feeds it at high pressure into the combustion chamber increasing the intensity of the burning flame.Battery and Energy TechnologiesGas turbine power generators are used in two basic configurations Gas turbines have a very high power to weight ratio and are lighter and smaller than internal combustion engines of the same power. As the gas turbine speeds up, it also causes the compressor to speed up forcing more air through the combustion chamber which in turn increases the burn rate of the fuel sending more high pressure hot gases into the gas turbine increasing its speed even more. A combined-cycle power plant uses both a gas and a steam turbine together to produce up to 50 percent more electricity from the same fuel than a traditional simple-cycle plant. In a gas turnine power plant,air is used as the working fluid.The air is compressed by the compressor … BY ABHISHIEK PAWAR - 0815002 ANIL NAIR - 0815012 ANIRUDDHA SAWANT - 0815013 ANJALI DESAI - 0815014 INTRODUCTION: A generating station which employs gas turbine as the prime mover for the generation of electrical energy is known as a gas turbine power plant. If after compression the working fluid were to be expanded in a turbine, then assuming that there were no losses in either component the power developed by the turbine would be just equal to that absorbed by the compressor and the work done would be zero. (Source: Siemens Westinghouse) Power generation applications extend to offshore platform use. The total capacity per unit is 363.3 MW. The open cycle turbine is mainly used in airplanes. Combined cycle efficiency is obtained with more modest pressure ratios and greater firing temperatures.Low power gas turbine generating sets with capacities up to 5 MW can be accommodated in transportation containers to provide mobile emergency electricity supplies which can delivered by truck to the point of need.In combined-cycle applications, pressure ratio increases have a less pronounced effect on the efficiency since most of the improvement comes from increases in the Carnot thermal efficiency resulting from increases in the firing temperature.It is a positive feedback mechanism. depending on the AC frequency of the electricity grid.One major difference however is that the gas turbine has a second turbine acting as an air compressor mounted on the same shaft.

Gas turbine power plant. The waste heat from the gas turbine is routed to the nearby steam turbine, which generates extra power. Evolution of the Gas Turbine As early as 1791, John Barber’s patent for the steam turbine described other fluids t ti lor gases as potential energy sources. Uncontrolled runaway is prevented by controls on the fuel supply line which limit the amount of fuel fed to the turbine thus limiting its speed.In electricity generating applications the turbine is used to drive a synchronous generator which provides the electrical power output but because the turbine normally operates at very high rotational speeds of 12,000 r.p.m or more it must be connected to the generator through a high ratio reduction gear since the generators run at speeds of 1,000 or 1,200 r.p.m. Gas Turbine Working Principle .

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Gas turbine power plant ppt