Control Device, Control Method, And System

Abstract: This control device comprises: an acquiring unit for acquiring, as a first inlet pressure, a pressure value of first steam on a first inlet side as seen from a first regulating valve of a first turbine that rotates using the first steam, which is supplied from the first inlet via the first regulating valve, and acquiring, as a second inlet pressure, a pressure value of second steam on a second inlet side as seen from a second regulating valve of a second turbine that rotates on the same rotating shaft as the first turbine using the second steam, which is supplied from the second inlet via the second regulating valve; and a control unit for regulating an opening degree of the first regulating valve and an opening degree of the second regulating valve in accordance with the first inlet pressure and the second inlet pressure.

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