What is a combined cycle power plant?
The Combined Cycle Power Plant or combined cycle gas turbine, a gas turbine generator generates electricity and waste heat is used to make steam to generate additional electricity via a steam turbine. The gas turbine is one of the most efficient one for the conversion of gas fuels to mechanical power or electricity.
How does a combined cycle power system work?
Combined cycle technology allows a power plant to generate 50 percent more electricity from its fuel than it could with a single-cycle power system. Here’s how it works: In a two-on-one combined cycle system, two combustion turbine generators work in conjunction with two heat-recovery steam generators and a steam turbine generator.
How does a gas turbine generator work?
In the first cycle, natural gas or diesel gas is burned to directly power two gas turbine generators that produce electricity. TVA also has one-on-one combined cycle units where there is a single heat-recovery steam generator and a single steam turbine generator.
What is the second source of power in a combined cycle plant?
The second source of power in a combined cycle plant is a steam turbine. The residual heat from the combustion of the gas is then used to produce steam in a boiler and power this steam turbine.
Why are combined cycle power plants more efficient than traditional power plants?
Combined cycle power plants are more efficient than traditional power plants that use only gas turbines or steam turbines; this is because combined cycle power plants utilise the heat from a gas turbine's exhaust gases to generate steam, consequently reducing wasted energy.
How efficient is a combined cycle power station?
The electric efficiency of a combined cycle power station may be as high as 58 percent when operating new and at continuous output which are ideal conditions. As with single cycle thermal units, combined cycle units may also deliver low temperature heat energy for industrial processes, district heating and other uses.
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How a Combined Cycle Power Plant Works
Combined cycle technology allows a power plant to generate 50 percent more electricity from its fuel than it could with a single-cycle power system. Here''s how it works: In a two-on-one …
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