Combined cycle plant, control device thereof, and steam turbine startup method
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United States of America Patent
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Nov 22, 2022
Grant Date -
Apr 30, 2020
app pub date -
Dec 31, 2019
filing date -
Jul 12, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A combined cycle plant includes: a gas turbine having a compressor, a combustor, and a turbine; a supplementary firing burner configured to raise a temperature of an exhaust gas of the gas turbine; a heat recovery steam generator configured to generate a steam using an exhaust heat of the exhaust gas; a steam turbine configured to be driven by the steam generated by the heat recovery steam generator; and a control device configured to change both an output of the combustor and an output of the supplementary firing burner when an output of the combined cycle plant is to be changed.
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