Plugging control

Details Plugging control Plugging control

1975-10-28

1978-01-10

Schaefer, Robert K.

Electricity: motive power systems

Braking

'plugging' or application of reverse power to motor

H02P 310

Patent

active

040681530

ABSTRACT:
A plugging control circuit in a silicon controlled rectifier (SCR) control for a series-connected direct-current vehicle-propulsion motor. The plugging control prevents the main SCR from pulsing when plug current is high, restarts the SCR pulsing when the plug current decays but with a reduced pulse width, and delays application of power through the main SCR for a time to allow the vehicle to first come to a halt before power is applied to move the vehicle in the opposite direction.

REFERENCES:
patent: 3819997 (1974-06-01), Morton et al.
patent: 3843912 (1974-10-01), Anderson
patent: 3854076 (1974-12-01), Lambert
patent: 3936709 (1976-02-01), Wright

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