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Articles in Industry Publications

Trade press article

Why permanent magnet motors and reluctance motors are finding increased industry application

Squirrel cage induction motors should thrive for the foreseeable future, alongside emerging motor technologies that will present exciting opportunities to improve energy efficiency and reliability.

  • June 2020
  • Number of views: 8553
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Tom Bishop, P.E.
EASA Senior Technical Support Specialist

Those familiar with industrial electric motors have heard “DC is dead” for decades as advances in variable-frequency drive (VFD) technology for AC squirrel cage induction motors (SCIMs) seemed destined to replace their DC counterparts in every conceivable application.

But just as DC’s demise was greatly exaggerated, so too is the prospect of successor technologies replacing the installed base of SCIMs any time soon – whether for new applications or replacement motors. Still, it’s wise to recognize that change is coming, and that two of the newer technologies are already in common use – permanent magnet motors and reluctance motors.

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