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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2018184906
Kind Code:
PROBLEM TO BE SOLVED: To change a rotational speed of a compressor or expander to improve operation efficiency, in a compressed air storage power generator including a plurality of compressors or expanders.SOLUTION: A CAES power generator 1 includes a plurality of motors 13, a plurality of compressors 10, a pressure accumulation tank 11, an expander 12, a dynamo 15, an inverter 14 for electric motor configured to change a rotational speed of a motor, a power supply instruction receiving part 31 configured to receive input power as a power supply instruction value before the input power is supplied, and a controller 30. The controller 30 has a unit 30a for calculating the number of motors to be compressed, configured to calculate, based on the power supply instruction value, a maximum number of motors 13 capable of being rated-driven, and a compression drive control unit 30b configured to rated-drive the maximum number of motors 13 calculated by the unit 30a for calculating the number of motors to be compressed.SELECTED DRAWING: Figure 1

佐藤 隆
中道 亮
松隈 正樹
猿田 浩樹
Application Number:
Publication Date:
November 22, 2018
Filing Date:
April 26, 2017
Export Citation:
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International Classes:
F04B49/06; F01C1/16; F01C20/02; H02J3/28; H02J15/00
Attorney, Agent or Firm:
山田 卓二
前堀 義之