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Patent Searching and Data


Title:
DRIVE DEVICE FOR THREE-PHASE ROTATING ELECTRIC MACHINE AND THREE-PHASE ROTATING ELECTRIC MACHINE UNIT
Document Type and Number:
WIPO Patent Application WO/2020/012679
Kind Code:
A1
Abstract:
The present invention reduces the number of magnetic sensors. This drive device for a three-phase rotating electric machine is mounted on a vehicle and provided with: a plurality of switching elements for energizing the three-phase windings of the three-phase rotating machine by performing switching operations; and a control unit for controlling the switching operations of the plurality of switching elements. The control unit performs a first control for controlling the switching operations using four energization patterns indicating the ON-state or OFF-state of the plurality of switching elements, thereby driving the three-phase rotating electric machine.

Inventors:
MORIMOTO NORIKI (JP)
HAGIMURA MASAMI (JP)
Application Number:
JP2019/001459
Publication Date:
January 16, 2020
Filing Date:
January 18, 2019
Export Citation:
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Assignee:
MITSUBA CORP (JP)
International Classes:
H02P6/16; F02N11/04; H02K29/08; H02P6/20
Domestic Patent References:
WO2015083477A12015-06-11
WO2014156865A12014-10-02
WO2018047746A12018-03-15
Foreign References:
JPH0847285A1996-02-16
JP2017521988A2017-08-03
JP2016023559A2016-02-08
JP2014152663A2014-08-25
JP2009089588A2009-04-23
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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