Speed sensitive field weakening control for traction motors

Details Speed sensitive field weakening control for traction motors Speed sensitive field weakening control for traction motors

H - Electricity

02

P

318/96

H02P 5/00 (2006.01) H02P 7/282 (2006.01)

Patent

CA 1124783

ABSTRACT OF THE DISCLOSURE Disclosed herein is a control for a direct current motor including a field weakening solenoid switch including a solenoid coil, which control includes a switch connected in series with a coil for connecting and disconnecting the coil to a source of direct current, and a device operative independently of the current in the motor and responsive to one of motor speed and motor temperature for operating the switch.

295344

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