Title:
MOTOR CONTROL UNIT AND VEHICLE EQUIPPED THEREWITH
Document Type and Number:
WIPO Patent Application WO2006070266
Kind Code:
A3
Abstract:
A motor control unit and a vehicle equipped with the unit according to the invention includes a control unit that selects a switching frequency, that is, a carrier frequency, in accordance with a rotation speed of the motor and a torque required from a motor. When an inverter temperature becomes high, the control unit limits the torque of the motor to suppress further increase in the inverter temperature. A limit value used in restricted operation is determined in accordance with the temperature and the carrier frequency of the inverter.
Inventors:
MUTA KOICHIRO (JP)
Application Number:
PCT/IB2005/003895
Publication Date:
August 31, 2006
Filing Date:
December 27, 2005
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
MUTA KOICHIRO (JP)
MUTA KOICHIRO (JP)
International Classes:
H02M7/537; B60L9/18; B60L11/18; H02M7/48; H02P6/06; H02P6/08; H02P6/12; H02P25/22; H02P27/06; H02P27/08
Foreign References:
US5486748A | 1996-01-23 | |||
EP0555574A1 | 1993-08-18 | |||
US20010002782A1 | 2001-06-07 |
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