Brushes Rectifier and regulator Slip rings Stator windings Drive beltfrom engine Coolingfan Rotor windings
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Inside an alternator the belt-driven rotor becomes an electromagnet when current is fed to it. As the rotor revolves it generates a higher current in the stator windings.

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How the charging system works

A car uses quite a lot of electricity to work the ignition and other electrical equipment. If th...