COMPRESSED AIR ENERGY STORAGE POWER GENERATION DEVICE AND COMPRESSED AIR ENERGY STORAGE POWER GENERATION METHOD
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United States of America
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Issued Date -
Dec 9, 2021
app pub date -
Nov 11, 2019
filing date -
Nov 11, 2019
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Abstract
A compressed air energy storage power generation device includes a compression/expansion combined machine having a function to produce compressed air utilizing electric power and a function to generate electric power utilizing the compressed air, a pressure storage unit that is fluidly connected to the compression/expansion combined machine and stores the compressed air, inverters that adjust rotation speed of the compression/expansion combined machine, a flow rate adjustment valve that adjusts amount of the compressed air supplied from the pressure storage unit to the compression/expansion combined machine, and a control device that reduces, when receiving a command value that reduces amount of power generated by the compression/expansion combined machine, amount of power generated by the compression/expansion combined machine by making the inverters to reduce rotation speed of the compression/expansion combined machine and decreasing an opening degree of the flow rate adjustment valve.
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