Archive > 2012 > April 2012 > Achieving High Electric Motor Efficiency

Achieving High Electric Motor Efficiency - April 2012

John Petro

The article "Achieving High Electric Motor Efficiency" appeared in the April 2012 issue of Power Transmission Engineering.

Summary
The use of motor structures which can concentrate magnetic flux allows ferrite PM motors to achieve performance and power densities that approach those of PM motors using rare earth magnets, but without the cost penalties and supply source concerns of rare earth magnets.

Keywords
ferrous magnets, motors, rare earth magnets, motor efficiency, motor design, design, Novatorque

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