Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system
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United States of America Patent
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Jan 29, 2019
Grant Date -
Mar 16, 2017
app pub date -
Nov 4, 2016
filing date -
Aug 3, 2012
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Abstract
The dual-shaft gas turbine power generation system includes: a high-pressure gas turbine; a first rotating shaft connecting a compressor and the high-pressure gas turbine; an electric motor connected to the first rotating shaft; a governor which adjusts the amount of air taken into the compressor; a low-pressure gas turbine; a second rotating shaft connected to the low-pressure gas turbine; a synchronous power generator connected to the second rotating shaft; a frequency converter which converts the frequency of power transmitted between the synchronous power generator and the electric motor; and a control device which controls a frequency converter control device for controlling the frequency converter, and the governor, on the basis of a power output command value indicating the power to be outputted to an external grid.
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