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The higher cost of turbines and the associated gears or generator/motor sets is offset by lower maintenance requirements and the smaller size of a turbine in comparison with a reciprocating engine of equal power, although the fuel costs are higher than those of a diesel engine because steam turbines have lower thermal efficiency. To reduce fuel ...
250 kW steam turbine generator set (1910) 500 MW Siemens multi stage steam turbine with generator set (rear, red) Parsons first 1 MW steam turbine driven "Turbogenerator" (made 1900 for a plant in Elberfeld, Germany) Ottó Bláthy in the armature of a Ganz turbo generator (1904) Small RP4 steam turbo generator set 500W/24V for a steam locomotive: alternator (left) + turbine (right)
Mohave Generating Station, a 1,580 MW steam–electric power plant near Laughlin, Nevada fuelled by coal. A steam–electric power station is a power station in which the electric generator is steam-driven: water is heated, evaporates, and spins a steam turbine which drives an electric generator.
There is usually a high-pressure turbine at one end, followed by an intermediate-pressure turbine, and finally one, two, or three low-pressure turbines, and the shaft that connects to the generator. As steam moves through the system and loses pressure and thermal energy, it expands in volume, requiring increasing diameter and longer blades at ...
The basic operation of the gas turbine is a Brayton cycle with air as the working fluid: atmospheric air flows through the compressor that brings it to higher pressure; energy is then added by spraying fuel into the air and igniting it so that the combustion generates a high-temperature flow; this high-temperature pressurized gas enters a ...
A power plant turbine generator set: A steam turbine (blue) drives an electrical generator (yellow) with an excitation generator (front). A 500 MW Siemens multi stage steam turbine with generator set (rear, red) A hydrogen-cooled turbo generator is a turbo generator with gaseous hydrogen as a coolant.
U.S. NRC image of a modern steam turbine generator (STG). In electricity generation, a generator [1] is a device that converts motion-based power (potential and kinetic energy) or fuel-based power (chemical energy) into electric power for use in an external circuit.
Centralised energy sources are large power plants that produce huge amounts of electricity to a large number of consumers. Most power plants used in centralised generation are thermal power plants meaning that they use a fuel to heat steam to produce a pressurised gas which in turn spins a turbine and generates electricity. This is the ...