Trackside-controlled electric railway systems

Details Trackside-controlled electric railway systems Trackside-controlled electric railway systems

1983-10-11

1985-11-05

Roskoski, Bernard

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318257, 318269, H02P 300

Patent

active

045516596

ABSTRACT:
The trackside control includes a trackside d.c. power supply applied initially at low voltage (of selectable polarity, to determine the direction of vehicle motion along the track) and then increased (preferably with constant voltage-increase rate) to maximum supply voltage, and a trackside electrical braking load (preferably capable of forcing down at constant rate the voltage applied to it from the vehicle motor).
The motor has series and (separately excited) shunt field windings, and on-board sensing and switching circuitry which (a) in motoring, either forward or reverse, sets full series field in flux addition to limited shunt field (b) in coasting, maintains field winding switch settings, and (c) in electrical braking, sets full shunt field and reduces the now decompounding series field.

REFERENCES:
patent: 3100554 (1963-08-01), Doubek, Jr.
patent: 3189811 (1965-06-01), King

Affiliated with

Also associated with

Rating

Trackside-controlled electric railway systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Trackside-controlled electric railway systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trackside-controlled electric railway systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-297245