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What's the Permanent Magnet Synchronous Motor?

2016-10-17 16:26:00 Volcano Motor Read

What's the Permanent Magnet Synchronous Motor( PMSM)?


Permanent Magnet Synchronous Motor( PMSM) is a synchronous motor whose field excitation is provided by permanent magnets, and has a sinusoidal Back EMF waveform.


  • With permanent magnets the PMSM can generate torque at zero speed

  • Higher torque density versus AC Induction Motors (ACIM), i.e., smaller frame size for same power

  • High efficiency operation

  • Requires digitally controlled inverter for operations 


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