CONTROL DEVICE AND METHOD FOR AC ROTARY ELECTRICAL MACHINE, AND ELECTRICAL POWER STEERING DEVICE

Title:

CONTROL DEVICE AND METHOD FOR AC ROTARY ELECTRICAL MACHINE, AND ELECTRICAL POWER STEERING DEVICE

Document Type and Number:

WIPO Patent Application WO/2013/125057

Kind Code:

A1

Abstract:

An AC rotary electrical machine and control device that controls an AC rotary machine is equipped with a plurality of sets of windings and comprises: a plurality of inverters having in each phase a switching element that controls the voltage applied to each phase of the aforementioned winding; current control means that controls the current flowing to the winding and that supplies a voltage instruction value corresponding to the aforementioned voltage to the aforementioned inverters; and fault detection means that detects malfunction representing at least either short-circuiting or open-circuiting of the aforementioned switching elements. The current control means sets the same-potential side of each phase of the malfunctioning inverter to the same condition as the fault, in accordance with the fault detected by the fault detection means, but continues to perform control of the inverter on the normal side i.e. the side which is not malfunctioning.

Inventors:

FURUKAWA AKIRA (JP)
KIMPARA YOSHIHIKO (JP)
OKADA JIRO (JP)

Application Number:

PCT/JP2012/062177

Publication Date:

August 29, 2013

Filing Date:

May 11, 2012

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MITSUBISHI ELECTRIC CORP (JP)
FURUKAWA AKIRA (JP)
KIMPARA YOSHIHIKO (JP)
OKADA JIRO (JP)

International Classes:

H02P6/12; H02P21/00; H02P21/05; H02P21/22; H02P23/04; H02P23/07; H02P23/16; H02P27/06

Domestic Patent References:

WO2008129658A1	2008-10-30
WO2008129658A1	2008-10-30

Foreign References:

JP2011078230A	2011-04-14
JP2005312234A	2005-11-04
JP2011045212A	2011-03-03
JP2009195026A	2009-08-27
JP2011078230A	2011-04-14

Other References: