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A ZQDR-410 traction motor (the large, dark component on the axle with small ventilation holes) A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, or electric multiple unit trains.
In 1954, the Riga Railroad Machinery Plant built several prototype 3-car electric multiple units designated SN ("Severnaya Novaya", or "Northern New"). These had their traction motors mounted on the truck frames, which allowed them to reach speeds of up to 130 km/h. The traction motors had a 1-hour rating of 200 kW. At that time, commuter ...
Medha Traction Motors: Aisin AW: Alstom: ATB-SEVER: Electric machines and drive systems, asynchronous and DC motors for traction, and synchronous traction generators Best Electric Machine Manufacturer of brushless wound-rotor (synchronous) doubly-fed electric motor. Bharat Heavy Electricals: Bombardier: Traction drives
Early models were usually powered by a gasoline engine, with either a mechanical drive train or a generator providing electricity to traction motors ("gas-electrics"). In later years, it was common for doodlebugs to be repowered with a diesel engine. Doodlebugs sometimes pulled an unpowered trailer car, but were more often used singly.
An Aveling and Porter traction engine-based railway locomotive, as used by Holborough Cement Co. Several traction engine builders (such as Aveling and Porter [39] and Fowler) built light railway locomotives based on their traction engines. In their crudest form these simply had flanged steel wheels to enable them to run on rails.
conductor rail, usually a third rail to one side of the running rails. Conductor rail can be: top contact: oldest, least safe, most affected by ice, snow, rain and leaves. Protection boards are installed on most top contact systems, which increases safety and reduces these affections.
In 1955, ten R-2 Motors were sold to the Chicago South Shore and South Bend Railroad to supplement their electrified freight operations. Seven units, CSS&SB 701-707, were rebuilt to use 1500 V DC overhead lines using parts left over from the conversion of the P-Motors to 660 V DC third rail.
As with many other attempts to bring marine engine technology to the rails, engines that were reliable on the stable platform of a ship when attended to by experienced technicians and operators proved less so when exposed to the vibration, indifferent maintenance and less careful handling they found on the railroad. Starting the engine was a ...