Invention Grant
- Patent Title: Inverter device for electric vehicle
- Patent Title (中): 电动车变频装置
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Application No.: US14359479Application Date: 2011-11-30
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Publication No.: US09350283B2Publication Date: 2016-05-24
- Inventor: Hidetoshi Kitanaka
- Applicant: Hidetoshi Kitanaka
- Applicant Address: JP Chiyoda-Ku, Tokyo
- Assignee: MITSUBISHI ELECTRIC CORPORATION
- Current Assignee: MITSUBISHI ELECTRIC CORPORATION
- Current Assignee Address: JP Chiyoda-Ku, Tokyo
- Agency: Buchanan Ingersoll & Rooney PC
- International Application: PCT/JP2011/077721 WO 20111130
- International Announcement: WO2013/080346 WO 20130606
- Main IPC: H02P7/00
- IPC: H02P7/00 ; H02P23/00 ; H02P21/06

Abstract:
An inverter device for an electric vehicle includes an inverter circuit that controls an electric motor connected to a wheel via a connecting member and a control unit that controls torque of the electric motor. The control unit includes a current control unit that executes control so that a q-axis current command for the electric motor matches a current flowing through the electric motor, and a limiter unit that puts limitations so that a magnitude of the q-axis current command does not become equal to or smaller than a preset predetermined value.
Public/Granted literature
- US20140312821A1 INVERTER DEVICE FOR ELECTRIC VEHICLE Public/Granted day:2014-10-23
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