Combined cycle plant, method for reducing minimum output thereof, and control device therefor
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United States of America Patent
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Jan 5, 2021
Grant Date -
Feb 7, 2019
app pub date -
Sep 27, 2016
filing date -
Feb 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A control device includes a reception unit configured to receive a load schedule indicating a load in the future of a combined cycle plant, a steam temperature control unit configured to control a temperature of steam flowing into a steam turbine, and a fuel control unit configured to control a flow rate of fuel supplied to a gas turbine. The steam temperature control unit is configured to output a command indicating an amount of operation for decreasing the temperature of the steam to a steam temperature regulator prior to a load decrease time at which the load is to be decreased in the load schedule.
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