A Variable Frequency Drive (VFD) is a type of motor control device used to control the speed of an electric motor. It can vary the frequency of an alternating current (AC) supply to control the speed and torque of the motor. The VFD takes a variable input frequency and converts it to a variable output frequency. This allows for precise speed control and is often used in industrial applications. The VFD is also used to reduce energy costs since it only uses the energy it needs to operate the motor at the speed it is set for. The definition of a VFD equipment is a motor control device that uses a variable frequency input to control the speed and torque of an electric motor. It is used in many different applications to provide precise speed control and to reduce energy costs. VFDs are often found in industrial applications, such as pumps, fans, and conveyors, as well as in more consumer-oriented products, such as electric motors in home appliances. VFDs can also be