Title:
CONTROL APPARATUS FOR THREE-PHASE ROTARY MACHINE, AND ELECTRIC POWER STEERING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/141593
Kind Code:
A1
Abstract:
A control apparatus (10) for controlling a three-phase rotary machine (80) having two sets of three-phase windings (801, 802) is provided with: two power converters (601, 602) that output AC currents, which have amplitudes equal to each other and have a phase difference of (30±60×n) [deg], to the two sets of windings; a higher harmonic component generation unit (20) that superimposes a higher harmonic component on the phase-current primary component of a current command value; and two controllers (331, 332) that calculate voltage command values for the two power converters on the basis of the current command value. The combination of the amplitudes of phase-current fifth and seventh components for reducing the peak of the phase-current primary component is set as a basic amplitude. The higher harmonic component generation unit carries out a higher harmonic amplitude reduction process of reducing, on the basis of the basic amplitude, the phase-current peak reduction amount of the phase-current primary component and the absolute value of the amplitude of the higher harmonic component, according to prescribed parameters.
Inventors:
KANO RYO (JP)
SUZUKI TAKASHI (JP)
SUZUKI TAKASHI (JP)
Application Number:
PCT/JP2017/000939
Publication Date:
August 24, 2017
Filing Date:
January 13, 2017
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02P25/22; B62D5/04; B62D6/00; H02P27/06
Foreign References:
| JP2014050150A | 2014-03-17 | |||
| JP2011035991A | 2011-02-17 | |||
| JP2005328691A | 2005-11-24 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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