Control apparatus for controlling traction motor equipped in...

Details Control apparatus for controlling traction motor equipped in... Control apparatus for controlling traction motor equipped in...

2006-02-28

2006-02-28

Duda, Rina (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C318S434000, C318S727000, C318S254100, C180S065100

Reexamination Certificate

active

07005819

ABSTRACT:
A motor control apparatus calculates a current command value based on a torque command value and a rotational speed of the traction motor, and calculates a voltage command value based on a difference between a detected current of a traction motor and the current command value so as to reduce the difference to 0. In addition, the motor control apparatus calculates a preferable voltage range of the traction motor with reference to the torque command value and a motor speed, and performs a feedback control so that the voltage value supplied to the traction motor is within this preferable voltage range.

REFERENCES:
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patent: 5345155 (1994-09-01), Masaki et al.
patent: 5583406 (1996-12-01), Mutoh et al.
patent: 5739664 (1998-04-01), Deng et al.
patent: 5925993 (1999-07-01), Lansberry
patent: 6264005 (2001-07-01), Kang et al.
patent: A 2001-263148 (2001-09-01), None
patent: A 2003-9573 (2003-01-01), None
patent: A 2003-204604 (2003-07-01), None

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