Braking mode control for an electric traction motor

Details Braking mode control for an electric traction motor Braking mode control for an electric traction motor

1974-12-20

1976-11-30

Schaefer, Robert K.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318373, H02P 312

Patent

active

039952045

ABSTRACT:
A control system for a DC electric traction motor which eliminates cogging of the motor during transition from a driving to a plugging mode. The system incorporates apparatus for comparing motor armature current to a plugging current reference voltage which voltage is initially applied as a ramp function to thereby provide a smooth transition into braking.

REFERENCES:
patent: 3365642 (1968-01-01), Risberg
patent: 3828235 (1974-08-01), Price et al.
patent: 3869653 (1975-03-01), Masuzawa et al.

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