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Patent Searching and Data


Title:
POWER CONVERSION DEVICE, MOTOR MODULE, AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159664
Kind Code:
A1
Abstract:
A power conversion device 100 according to an embodiment converts power from a power source 101 to power that is supplied to a motor having an n-phase (n being an integer of 3 or greater) winding. The power conversion device 100 is equipped with a first inverter 120 connected to one end of each phase winding of the motor, a second inverter 130 connected the other end of each phase winding, a first relay circuit 180 connected between the one ends of the phase windings and either a power source 101 or GND, and a second relay circuit 190 connected between the other ends of the phase windings and either the power source 101 or GND.

Inventors:
OHASHI HIROMITSU (JP)
Application Number:
PCT/JP2019/002670
Publication Date:
August 22, 2019
Filing Date:
January 28, 2019
Export Citation:
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Assignee:
NIDEC CORP (JP)
International Classes:
H02P27/06; B62D5/04; H02M7/48
Domestic Patent References:
WO2017150641A12017-09-08
WO2018135248A12018-07-26
Foreign References:
JP2013529055A2013-07-11
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