What is Alternator?Is an electromechanical device that converts mechanical energy to alternating current electrical energy. most of the alternator are used by a rotating magnetic field but their linear alternator are occasionally used.
Why Car needs an Alternator?
They are used to charge the battery and to power the car electrical system when the engine is running.
Information for Alternator
Alternator have great advantage over the direct current generator, they are more stronger and can use smaller pulley to operate so it can turn twice as the engine run and improve output when engine is idle.
Alternator use a set of rectifiers to convert Alternating current to direct current. Usually alternator are being driven by belt from the engine crankshaft at it turns 2-3 times faster.
Now a days Alternator have a voltage regulators built into them. It been made to produce a constant voltage output. Newer cars alternator are linked in the vehicle on board computer system.
Large alternators device are being used on truck, buses, and other heavy equipment. They also have cooling system it can be in a form of water or oil.
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