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Almost all electric power generation, from the time of the Fisk Station to the present [citation needed], is based on steam driven turbine-generators. 1913 (): Nikola Tesla patents a bladeless steam turbine that utilizes the boundary layer effect. This design has never been used commercially due to its low efficiency. [22]
Most central stations are fossil fuel power plants and nuclear power plants; some installations use geothermal steam, or use concentrated solar power (CSP) to create the steam. Steam turbines can also be used directly to drive large centrifugal pumps , such as feedwater pumps at a thermal power plant .
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 ...
Fossil fuel power stations have machinery to convert the heat energy of combustion into mechanical energy, which then operates an electrical generator. The prime mover may be a steam turbine, a gas turbine or, in small plants, a reciprocating gas engine. All plants use the energy extracted from the expansion of a hot gas, either steam or ...
The site of the Riverside Generating Station was originally purchased by the Consolidated Gas and Light Company of Baltimore, a predecessor company to Constellation Energy, in 1922 for the location of a manufactured gas facility that was never built. [2] In 1942, the 60 MW steam turbine and boiler Unit 1 was installed at a cost of US$6.5 ...
Waterside was originally intended to house a total of sixteen reciprocating steam engines, but as the plant was designed significant advances were being made in the development of steam turbines so that only eleven reciprocating steam engines were installed and the remainder of the space was used for the installation of five steam turbines. [6]
Newcomen's atmospheric steam engine. The first practical mechanical steam engine was introduced by Thomas Newcomen in 1712. Newcomen apparently conceived his machine independently of Savery, but as the latter had taken out a wide-ranging patent, Newcomen and his associates were obliged to come to an arrangement with him, marketing the engine until 1733 under a joint patent. [2]
At the end of this power stroke, the steam valve was reopened, and the weight of the pump rods pulled the beam down, lifting the piston and drawing steam into the cylinder again. Using the piston and beam allowed the Newcomen engine to power pumps at different levels throughout the mine, as well as eliminating the need for any high-pressure steam.