Title:
電動機制御装置および電動機駆動システム
Document Type and Number:
Japanese Patent JP7285901
Kind Code:
B2
Abstract:
An electric motor control device includes an inverter circuit, which has a power conversion circuit configured of six switching elements, and a switching control circuit that controls the switching elements in such a way as to be turned on or off, wherein, when it is determined that the inverter circuit is in an abnormal state, an execution of a three-phase short-circuiting process, whereby all upper side switching elements or all lower side switching elements are turned on, or a six-switch opening process, whereby all the switching elements are turned off, is selected based on a temperature of at least one permanent magnet of an electric motor, in accordance with an operating state of the electric motor.
Inventors:
Hayabusa Tanabe
Application Number:
JP2021178494A
Publication Date:
June 02, 2023
Filing Date:
November 01, 2021
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02P29/032
Domestic Patent References:
| JP6407382B1 | ||||
| JP2021044951A |
Foreign References:
| WO2016076429A1 |
Attorney, Agent or Firm:
Parumo Patent Attorneys Office
Previous Patent: Shiftable 2-speed transmission especially for eDrive applications
Next Patent: PRODUCTION OF ULTRA-PURE BISPHENOL A AND USE THEREOF
Next Patent: PRODUCTION OF ULTRA-PURE BISPHENOL A AND USE THEREOF