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Unit 3 was a General Electric cross compound 3600/1800 RPM at 1050/1000 DEG F, with a 215 MW steam turbine. Unit 4 was a Westinghouse, cross compound 3600/1800 rpm, 1050/1000 DEG F 225MW. The boilers were Babcox and Wilcox Universal Pressure Boilers (called once thru) rated at 1,638,000 LB/HR.
Doosan Škoda Power designs and manufactures steam turbines from 5 MW to 1250 MW of output, including combined cycle and steam tail applications designed to increase the overall efficiency of simple gas turbines from 32–45% to 60% or above. A 48" rotor at the last stage and an axial output combine to enhance performance.
In 2020, California had a total summer capacity of 78,055 MW through all of its power plants, and a net energy generation of 193,075 GWh. [3] Its electricity production was the third largest in the nation behind Texas and Florida. California ranks first in the nation as a producer of solar, geothermal, and biomass resources. [4]
The modern steam turbine was invented in 1884 by Charles Parsons, whose first model was connected to a dynamo that generated 7.5 kilowatts (10.1 hp) of electricity. [12] The invention of Parsons' steam turbine made cheap and plentiful electricity possible and revolutionized marine transport and naval warfare. [13] Parsons' design was a reaction ...
They are combined cycle units, 50% more efficient than the other units, because they use two turbines: first, a pair of 170 MW gas turbines, then a 190 MW steam turbine, for a total of 530 MW each. When completed in 2002, the plant was the largest power plant in California by capacity, at 2560 MW.
The Westinghouse gas turbine used for that application was a supercharged model W301, nominally rated at 25 MW. The rating on the steam turbine was 85 MW, for an overall combined cycle plant output of about 110 MW, and the thermal efficiency achieved was more than 39%, the record for gas-fired power plants in the US for quite some time.
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The Valley Steam Plant was constructed in 1953 by the Los Angeles Department of Water and Power (LADWP) to provide electricity for Greater Los Angeles.Built on 150 acres (61 ha) in Sun Valley at cost of $80,000,000, it was powered by dual fuel (gas or oil) boilers and had four steam turbines generating a total of 512 MW.