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Alternator, How it works?

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Published on Sep 10, 2017

An alternator is an electrical generator that converts mechanical energy to electrical energy .This video gives an brief explanation on working of Alternator/ AC Generator with help of animation.Also you can view construction details of generator, functions of slip rings, armature coils, Automatic Voltage regulator (AVR) and pole core are also well explained here.
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WHAT IS ALTERNATOR: (00:00)
An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. Electricity is produced in alternators by electromagnetic induction.
There are 2 types of alternators to produce electricity in alternators.
TYPE 1 - Rotating magnetic field with a stationary armature
TYPE 2 - A rotating armature with a stationary magnetic field

MAIN PARTS OF ALTERNATOR: (00:45)
Main parts of alternator are: Rotor, Stator, Bearing, Regulator, Pole Core, Pulley, DC generator

HOW DOES AN ALTERNATOR WORKS: (01:07)
Rotor produces a rotating magnetic field. Armature coils are stationary and rotating magnetic flux associated with the rotor induces electricity in the armature coils.
Rotor coils are excited with a DC power source.
The rotor is made to rotate by a prime mover. This makes the rotor flux also rotate along with it, at the same speed.
Such revolving magnetic flux now intersects the armature coils, which is fitted around the rotor. This will generate an alternating E.M.F across the winding.

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Create: Framesper Second Hrvoje Čočić
Category: Education
Music: Supreme Music provided by Audio Library https://www.youtube.com/watch?v=910Z-...
Licence: Standard YouTube Licence

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