How a Variable Frequency Drive Works

A variable frequency drive is a device that helps machineries to save energy. Variable frequency drives for are able to precisely manage the speed and power applied to the machine.

A variable frequency drive is made of an inductor motor that is controlled by varying the voltage that is supplied. This helps in altering the frequency or speed of the motor. Making use of a rectifier element or the semiconductors that converts the provided alternating current, or AC, to direct current, or DC, the control is then moved to electronic switches that swap the DC off and on, generating the fresh frequency or speed specific for the motor.

Variable Frequency drives are normally utilized for conveyor belts or fans that are largely used in industrial units.

Variable frequency drives enables the machineries to increase their existence. They work for a longer period of time and their parts also does not erode quickly. This saves a lot in maintenance of the machinery. With airing systems, the variable frequency drive generates the advantage of reduction of energy by merely generating what is desirable for proper airing.


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