Title:
POWER CONVERSION DEVICE, DRIVE DEVICE, AND POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/150911
Kind Code:
A1
Abstract:
Provided are a power conversion device with which it is possible, when one of two inverters has become inoperable due to abnormality in a drive system, to allow the one side to function as a neutral point, a drive device, and a power steering device. The power conversion device is provided with: a first inverter which is connected to one ends of windings; a second inverter connected to the other ends thereof; a first neutral point relay circuit which is connected to the one ends of the windings in parallel to the first inverter, and which switches connection/non-connection between the one ends; a second neutral point relay circuit which is connected to the other ends of the windings in parallel to the second inverter, and which switches connection/non-connection between the other ends; a first control circuit which controls the first inverter and the second neutral point relay circuit; and a second control circuit which controls the second inverter and the first neutral point relay circuit.
Inventors:
OHASHI HIROMITSU (JP)
NABESHI KAORI (JP)
KITAMURA TAKASHI (JP)
NABESHI KAORI (JP)
KITAMURA TAKASHI (JP)
Application Number:
PCT/JP2019/000630
Publication Date:
August 08, 2019
Filing Date:
January 11, 2019
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02P27/06; B62D5/04; H02M7/48
Domestic Patent References:
| WO2017150639A1 | 2017-09-08 |
Foreign References:
| JP2016181947A | 2016-10-13 | |||
| JP2013110839A | 2013-06-06 |
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