In this detailed video, we break down the working principles of one of the most widely used electric motors in industrial applications—the three-phase AC induction motor. Understanding how these ...

On a motor older than 10 yr or less than 1 hp, however, the motor is usually replaced. Since the cost of repair often exceeds the cost of a new one, small motors less than 1 / 8 hp are also typically ...

These wound-rotor motors were used extensively to make 3 phase at 240 hz by driving them externally with a normal 3 phase motor. This allowed wood carving machines to make base molding out of 2×6 ...