Title:
流体移送システム、流体移送システムの制御方法
Document Type and Number:
Japanese Patent JP6846021
Kind Code:
B2
Abstract:
[Problem] To provide a fluid transfer system with which it is possible to suppress a deterioration in efficiency. [Solution] A pump system 1 comprises: a pump 3 for transferring a fluid; a motor 4 which is provided with a plurality of windings 41, 42 and which drives the pump 3; a winding switch 6 for switching a state of connection of the plurality of windings 41, 42; an electric power converting unit 5 which supplies electric power to the motor 4 on the basis of a speed command Sp to control the speed of the pump 3; and a control unit 8 which controls the winding switch 6 in such a way as to switch the state of connection of the plurality of windings 41, 42 on the basis of the speed command Sp.
Inventors:
Sadayuki Sato
Akihiko Maemura
Hideaki Ike
Jiro Muraoka
Akihiko Maemura
Hideaki Ike
Jiro Muraoka
Application Number:
JP2019528316A
Publication Date:
March 24, 2021
Filing Date:
July 07, 2017
Export Citation:
Assignee:
Yaskawa Electric Co., Ltd.
International Classes:
F04D15/00
Domestic Patent References:
| JP2016085005A | ||||
| JP1147698U |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi Technical International Patent Office