Two-shaft gas turbine power generating facility and control method for same
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United States of America Patent
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Apr 28, 2020
Grant Date -
Sep 12, 2019
app pub date -
Jul 21, 2017
filing date -
Jul 22, 2016
priority date (Note) -
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Abstract
A two-shaft gas turbine facility includes a two-shaft gas turbine, an induction motor connected to a compressor of the two-shaft gas turbine, a secondary battery, a first frequency converter that controls power transmission and reception between a power system and the induction motor, and a second frequency converter that controls charging and discharging of power between the secondary battery and the power system. A first control unit of a control device causes power transmission and reception to be performed between the induction motor and the power system by the first frequency converter if a required output change rate is higher than a maximum output change rate. A second control unit causes the secondary battery to be charged and discharged by the second frequency converter if power to be transmitted to and received from the induction motor has reached maximum allowable power.
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