Speed control and braking circuit for a series connected DC mach

Details Speed control and braking circuit for a series connected DC mach Speed control and braking circuit for a series connected DC mach

1978-12-11

1981-04-28

Truhe, J. V.

Electricity: motive power systems

Series motors

Control by motor circuit impedance

318269, 318332, 318341, H02P 706

Patent

active

042648467

ABSTRACT:
A continuous speed control and braking circuit for a DC propulsion motor having armature and field currents set largely independent of each other to permit operation in the field weakening region of the motor. A direct current control element is pulsed for setting the armature current; a series circuit containing the field winding and a switch is connected in parallel to the DC control element; and a field current bypass diode is shunted across the field winding.

REFERENCES:
patent: 3651390 (1972-03-01), Vidal et al.

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