What is AC Drive?

Definition

An electronic device that controls the speed and torque of an AC motor by varying the frequency and voltage of the power supplied. AC drives improve energy efficiency and extend motor life in industrial applications.

Related Terms

VFD (Variable Frequency Drive)

A power electronics device that controls AC motor speed by varying the frequency...

Inverter

The output stage of a drive that converts DC bus voltage into variable-frequency...

V/F Control

Voltage-to-Frequency control — the simplest motor speed control method maintaini...

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