Title:
PHASE ANGLE ESTIMATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198725
Kind Code:
A1
Abstract:
In the present invention, at least one of the following is satisfied: the directions of vectors (VV1a, VV2a) of N sets of a first pulse voltage are different from each other; the directions of vectors (VV1c, VV2c) of N sets of a second pulse voltage are different from each other; and the directions of vectors (VV1e, VV2e) of N sets of a third pulse voltage are different from each other. Furthermore, of the N sets of the first, second, and third pulse voltages, for the vectors having directions that are different from each other, at least some of the periods during which the voltages are applied overlap.
Inventors:
TAKAHASHI TOMOYA (JP)
Application Number:
PCT/JP2018/014739
Publication Date:
November 01, 2018
Filing Date:
April 06, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02P25/22; H02P6/182
Domestic Patent References:
| WO2016189694A1 | 2016-12-01 |
Foreign References:
| JP2011151916A | 2011-08-04 | |||
| JP2010041881A | 2010-02-18 | |||
| US8766578B2 | 2014-07-01 | |||
| US20150102758A1 | 2015-04-16 |
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN MEISEI INTERNATIONAL PATENT FIRM (JP)
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