AC Electric Synchronous Permanent Magnet Motor, Color : Green

The Permanent Magnet Synchronous Motor (PMSM) is also called AC synchronous motor and IE4 or Super High Efficient Motor where the field is excited by permanent magnets that generate sinusoidal back EMF. This unique magnetic motor harnesses magnetism to create continual motion. So what this suggests is that after the motor starts it'll pass by itself and while the magnets maintain their polarity, the motor will never stop running.
Synchronous Permanent Magnet Alternator contains a rotor and stator same as that of an induction motor but a static magnet is employed as a rotor to form a field. The PMSM is an alternate to induction motor or AC motor. It’s widely utilized in industries, or to run the equipment. 20-25% increases when PMSM is employed as another to Induction Moto.
Some of the advantages of asynchronous static magnet motor include: provides a gentle and consistent flow of free electricity, it's environmentally safe as no gases or chemical emissions is released, it works in extreme cold and extreme heat indoors and outdoors, it's small and cheap to create, and therefore the maintenance level is extremely low.