Permanent Magnet Synchronous Motor

Permanent Magnet Synchronous Motor

gear reduction motor Gear Reduction. … The rotary machine’s result torque is increased by multiplying the torque by the gear ratio, less some efficiency losses. While in many applications gear reduction reduces speed and raises torque, in other applications gear decrease is used to increase rate...
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permanent magnet synchronous motor


permanent magnet synchronous motor

Most pumps and fans operating in industrial and commercial applications are currently driven by AC induction motors. “ACIM”, which stands for “alternating current induction motor”, is an asynchronous type of motor that relies on electric current to turn the rotor. Torque is produced by electric current in the rotor. The electric current is generated through electromagnetic induction from the magnetic field of the stator windings. In an ACIM, the rotor always rotates at a lower speed than the magnetic field. A “PMSM”, which stands for “permanent magnet synchronous motor”, relies on magnets to turn the rotor, which spins at the same speed as the PMSM’s internal rotating magnetic field.

There are a few key differences between AC induction Motors and Permanent Magnet Synchronous Motors.


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