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The traction alternator usually incorporates integral silicon diode rectifiers to provide the traction motors with up to 1,200 volts DC. [citation needed] The first diesel electric locomotives, and many of those still in service, use DC generators as, before silicon power electronics, it was easier to control the speed of DC traction motors.
A 48 V system can provide more power, improve energy recuperation, [7] and allow up to an 85% decrease in cable mass. [10]12-volt systems can provide only 3.5 kilowatts, while a 48 V power could achieve 15 to 20 kW or even 50 kW. 48 volts is below the level that is considered safe in dry conditions without special protective measures. [11]
alternator An electrical machine that converts mechanical power into AC electric power. alternator synchronization The process of synchronizing an alternator to a grid or another alternator. aluminium smelting Reduction of aluminium ore to metal, by use of large amounts of electric power. ammeter An instrument that measures electric current.
The alternator is an AC device which uses a rectifier to produce DC for battery charging. Most highway passenger vehicles use nominally 12 V systems. Many heavy trucks, farm equipment, or earth moving equipment with Diesel engines use 24 volt systems. In some older vehicles, 6 V was used, such as in the original classic Volkswagen Beetle.
Remy International, Inc. (formerly Delco Remy) headquartered in Pendleton, Indiana is an American manufacturer, remanufacturer, and distributor of light duty starters, alternators, hybrid power technology, and Delco Remy brand heavy duty systems.
Alternator (silver) mounted on a V8 engine Alternator voltage regulator (brushes are worn out) An alternator is a type of electric generator used in modern automobiles to charge the battery and to power the electrical system when its engine is running. Until the 1960s, automobiles used DC dynamo generators with commutators.