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Patent Searching and Data


Title:
MOTOR CONTROL DEVICE AND CONTROL METHOD, AND PUMP SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/203879
Kind Code:
A1
Abstract:
A control device that is supplied with power from a power generation unit and controls the driving of a motor, said control device having: a drive circuit unit that supplies current to the motor; a control unit that controls the drive circuit unit; and a current detection unit that detects the current value of the current transmitted to the motor. The control unit has: a power supply voltage calculation unit that calculates the voltage value of the power supply unit on the basis of the current value detected by the current detection unit; and an adjustment unit that adjusts the rotational frequency of the motor on the basis of the voltage value calculated by the power supply voltage calculation unit.

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Inventors:
TOMINAGA,Yoichi (C/O NIDEC TECHNO MOTOR CORPORATION, 338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2017/015080
Publication Date:
November 30, 2017
Filing Date:
April 13, 2017
Export Citation:
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Assignee:
NIDEC TECHNO MOTOR CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02P29/00
Domestic Patent References:
WO2015025557A12015-02-26
Foreign References:
JP2002247896A2002-08-30
JPH07191767A1995-07-28
US20060290317A12006-12-28
CN104079232A2014-10-01
Attorney, Agent or Firm:
KITAMURA, Hideaki (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
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