frequency drives Insights

What is frequency drives?

A variable frequency drive (VFD), also known as an adjustable-frequency drive (AFD), variable-speed drive (VSD), AC drive, or inverter drive, is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. VFDs are used in applications ranging from small appliances to large compressors. They are commonly used to control the speed of AC induction motors, allowing for energy savings and process control.

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What other technologies are related to frequency drives?

frequency drives Competitor Technologies

motor starts

Traditional motor starters (across-the-line, reduced voltage) are alternatives to VFDs for starting and stopping motors, but lack speed control.

mentioned alongside frequency drives in 96% (539) of relevant job posts

servo drives

Servo drives and VFDs both control motor speed and torque, but servo drives are generally used for more precise positioning applications, while VFDs are for general speed control.

mentioned alongside frequency drives in 25% (1.8k) of relevant job posts

DC drives

DC drives are an alternative to VFDs for controlling the speed of DC motors.

mentioned alongside frequency drives in 23% (673) of relevant job posts