Title:
DRIVE DEVICE FOR ROTATING ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/156057
Kind Code:
A1
Abstract:
This drive device for a rotating electrical machine is provided with: a first inverter (50) that is connected to a start point terminal which is the end section of wiring on the side opposite a neutral point (N1), in respective winding groups (41-43), and that has an upper arm switch (51) and a lower arm switch (52) for respective phases; a second inverter (60) that is connected to an intermediate terminal located between winding sections in each of the winding groups, and that has an upper arm switch (61) and a lower arm switch (62) for respective phases; and an energization control unit (70) for selectively implementing energization of a winding group by the first inverter and energization of a winding group by the second inverter. The upper arm switch and lower arm switch of the first inverter have a function of energization and cutoff in two directions.
Inventors:
KINJO HIROFUMI (JP)
ITO YUJI (JP)
TANIGUCHI MAKOTO (JP)
ITO YUJI (JP)
TANIGUCHI MAKOTO (JP)
Application Number:
PCT/JP2019/003999
Publication Date:
August 15, 2019
Filing Date:
February 05, 2019
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02P25/18; H02P27/06
Foreign References:
| JP2016131444A | 2016-07-21 | |||
| JP2015211597A | 2015-11-24 | |||
| JP2009148106A | 2009-07-02 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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