AC-DC Traction drive control system

Details AC-DC Traction drive control system AC-DC Traction drive control system

1975-06-09

1977-08-16

Scott, James R.

Electricity: motive power systems

Motor-reversing

Field circuit control

H02D 700

Patent

active

040428648

ABSTRACT:
A control drive system for a vehicle, such as a shuttle car, operating back and forth between a work area and an unloading point wherein AC supplied from the unloading point is supplied to the vehicle via a cable and is converted to DC aboard the vehicle, and wherein control circuitry is provided for effecting the start-up, acceleration in forward and reverse directions and the operation of the vehicle at tram speeds in either direction.

REFERENCES:
patent: 2599061 (1952-06-01), Lee
patent: 3172510 (1965-03-01), Lee
patent: 3250944 (1966-05-01), Musick
patent: 3299338 (1967-01-01), Torii
patent: 3378755 (1968-04-01), Sawyer
patent: 3515970 (1970-06-01), Weiser
patent: 3584281 (1971-06-01), Reeves

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