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Patent Searching and Data


Title:
POWER CONVERSION DEVICE, DRIVE DEVICE, AND POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159836
Kind Code:
A1
Abstract:
An embodiment of this power conversion device converts power from a power source to power that is supplied to a motor provided with phase windings each having a first winding portion and a second winding portion connected together in series, and is equipped with a first inverter that applies a drive voltage to one end of the first winding portions, a second inverter that applies a drive voltage to one end of the second winding portions, a first control unit that controls the first inverter, a second control unit that controls the second inverter, and a neutral-point switch that switches between connecting together and disconnecting the phase windings at any site between the other end of the first winding portions and the other end of the second winding portions.

Inventors:
OHASHI HIROMITSU (JP)
NABESHI KAORI (JP)
KITAMURA TAKASHI (JP)
Application Number:
PCT/JP2019/004597
Publication Date:
August 22, 2019
Filing Date:
February 08, 2019
Export Citation:
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Assignee:
NIDEC CORP (JP)
International Classes:
H02P27/06; B62D5/04; H02M7/48; H02P25/22; H02P29/028
Domestic Patent References:
WO2018012420A92018-06-14
Foreign References:
JP2010051092A2010-03-04
US20100097027A12010-04-22
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