Combined cycle power plant

DRIVE October 17, 2012
Source
A combined cycle power plant (10) is provided and includes a gas turbine engine (20) to generate power, a heat recovery steam generator (HRSG) (30) to produce steam from high energy fluids produced from the generation of power in the gas turbine engine (20), a steam turbine engine (40) to generate additional power from the steam produced in the HRSG (30) and a thermal load reduction system to reduce thermal loading of components of the HRSG (30) and/or the steam turbine engine (40) during at least startup and/or part load operations, which includes an eductor assembly (50) by which a mixture of compressor discharge air and entrained fluids removed from the HRSG (30) or entrained tank air is injectable into the HRSG (30) and/or used to treat a superheater upstream from the steam turbine engine (40).

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