Drives - I assume you are referring to Variable frequency Drives. The drives are useful when a motor needs to rotate at different speeds when in operation with out stopping it.
A motor car driver.
a motor car driver
A chauffeur is a person who drives a motor car for other people.
yes sir
Disk drives.
The motor drives the belt :witch drives a plate witch when engaged drives the wheels (short version) :with drives a pulley that turns the blower (short version)
The motor drives the belt :witch drives a plate witch when engaged drives the wheels (short version) :with drives a pulley that turns the blower (short version)
a motor drives something a generator is driven by something
Stepper motor
Hard drives can seldom be used after degaussing because it destroys the drive's timing tracks, servo motors, and usually demagnetizes the permanent magnets of the spindle motor on sealed drives
The running refrigerator motor is using electrical energy to power the motor, which in turn drives the compressor to cool the refrigerator.
It drives the chuck around to enable drilling.