Do You Know What An Alternator Is?

If you do not know what an alternator is, this article can help. It defines and explains how the alternator, like (a 100 kva alternator) affects a car’s performance.

What is an alternator?

An alternator is an electrical generator that converts mechanical energy to electrical energy in alternating current. Alternators are used in various automotive, marine, and aircraft power systems.

The principle of operation for an alternator is based on the law of electromagnetic induction, which states that a conductor moving through a magnetic field will generate an electric current in the conductor. This principle is used in all types of electrical generators, including alternators.

Alternators typically have one or more rotating coils of wire (known as armatures) situated in a strong magnetic field. As the armatures rotate, they cut through the magnetic field and induce an electric current in the coils. The induced current has an alternating pattern because the armatures constantly change direction as they rotate.

The alternating current produced by an alternator can be converted to direct current by using a rectifier, which is a device that contains a series of diodes that allow only one direction of current flow. Direct current is typically required for most automotive applications.

What does the alternator do?

The alternator is a device in a car’s engine that produces electricity to charge the battery and power the electrical system when the engine is running. It consists of a pulley, an electrically powered coil of wire, and a rectifier. The alternator is driven by a belt that turns the pulley and spins the coil of wire inside the rectifier. The spinning coil produces an alternating current (AC), which the rectifier converts into direct current (DC) to charge the battery and power the electrical system.

A reliable alternator supplier: EvoTec Power

EvoTec Power is a reputable alternator manufacturer and large global export supplier. They focus on the Research and Development of Industrial and Marine Alternators. Providing three-phase A.C. Synchronous with both single and double bearing configuration, having a wide range of power output from 6.8kW to 6000kW, and a higher voltage range from 110V to 13,800V, protection-grade from IP21-IP56 and two frequency of 50Hz and 60Hz.


If your alternator is going bad, you might be wondering where you can buy a new one. The good news is that you can find alternators from EvoTec Power, a reliable supplier.

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