Variable Frequency AC Drives are used for controlling the rotational speed of an alternating current electric motor by controlling the frequency of the electrical power supplied to the motor. These AC Drives are specific type of adjustable-speed drives that ensure optimum functionality for longer period of time. These AC Drives are also known as adjustable-frequency drives, variable-speed drives, AC drives, micro drives or inverter drives. Variable Frequency AC Drives ensure optimum functionality for longer period of time.
