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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. After it passes through the turbine, the steam is condensed in a condenser. The greatest variation in the design of steam–electric power plants is due ...
A direct-drive 5 MW steam turbine. Electrical power stations use large steam turbines driving electric generators to produce most (about 80%) of the world's electricity. The advent of large steam turbines made central-station electricity generation practical, since reciprocating steam engines of large rating became very bulky, and operated at ...
Scattergood has an 830 MW [1] capacity spread across three steam turbine units. [2] [1] Owned and operated by the Los Angeles Department of Water and Power (LADWP), the station is a coastal landmark of the Santa Monica Bay in southern California. Plans are in place to convert the station to hydrogen power.
The facility generates power by utilizing 32 Francis turbines each having a capacity of 700 MW and two 50 MW turbines, [1] totalling the installed capacity to 22,500 MW, more than twice the installed capacity of the largest nuclear power station, the Kashiwazaki-Kariwa (Japan) at 7,965 MW.
The majority of the world's thermal power stations are driven by steam turbines, gas turbines, or a combination of the two. The efficiency of a thermal power station is determined by how effectively it converts heat energy into electrical energy, specifically the ratio of saleable electricity to the heating value of the fuel used.
In a steam turbine power plant, fuel is burned in a furnace and the hot gasses flow through a boiler. Water is converted to steam in the boiler; additional heating stages may be included to superheat the steam. The hot steam is sent through controlling valves to a turbine.
These generate steam which drives steam turbines that produce energy. Together, they produce 386 megawatts of electricity, enough to power about 140,000 homes .
The Medway Power Station, a combined-cycle gas turbine (CCGT) power station in Kent, UK, with two gas turbines and one steam turbine, is rated 700 megawatts. [28] The rated capacity of a power station is nearly the maximum electrical power that the power station can produce.