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.
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Inventors:
MORIMOTO NORIKI (JP)
HAGIMURA MASAMI (JP)
HAGIMURA MASAMI (JP)
Application Number:
PCT/JP2019/001459
Publication Date:
January 16, 2020
Filing Date:
January 18, 2019
Export Citation:
Assignee:
MITSUBA CORP (JP)
International Classes:
H02P6/16; F02N11/04; H02K29/08; H02P6/20
Domestic Patent References:
| WO2015083477A1 | 2015-06-11 | |||
| WO2014156865A1 | 2014-10-02 | |||
| WO2018047746A1 | 2018-03-15 |
Foreign References:
| JPH0847285A | 1996-02-16 | |||
| JP2017521988A | 2017-08-03 | |||
| JP2016023559A | 2016-02-08 | |||
| JP2014152663A | 2014-08-25 | |||
| JP2009089588A | 2009-04-23 |
Other References:
See also references of EP 3823155A4
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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