Chopper activated control circuit for a dc motor with...

Details Chopper activated control circuit for a dc motor with... Chopper activated control circuit for a dc motor with...

H - Electricity

02

P

318/101, 318/57

H02P 3/14 (2006.01) B60L 7/12 (2006.01) H02P 7/28 (2006.01)

Patent

CA 1133981

ABSTRACT OF THE DISCLOSURE A direct current motor control circuit in which the armature is arranged for reversible connection in a main path for current to flow from a first supply terminal to a second supply terminal through the armature and a current chopper. A pair of switches between which the armature is connected are controll- able to effect this reversible connection in the drive mode and to connect the armature across a bridge to permit return current to flow from the second terminal, in either direction through the armature toward the chopper in a regenerative mode, one or more diodes being provided for completing a return path for the return current to flow to the first terminal.

315093

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