FEA Model Describing the Impact of Thin, High-Induction NOES on a High-Speed Motor

Adam Thomas, Director New Product Implementation and Marketing, Arcanum Alloys

Thin, non-oriented electrical steels frequently have diminished magnetic induction values relative to thicker laminations.  However, in high-speed applications with high switching frequencies, thinner laminations are used to reduce heat generation via core-loss.  This forces motor designers to make design compromises between good core loss or good induction properties.  An FEA performed using a high-speed motor design compares the motor’s incumbent NOES grade against a recently developed NOES grade with the same low core loss but higher induction values.  The magnetic properties, their impact as described by the FEA, and implications for systems designers are discussed herein.

Adam Thomas holds and Masters in Chemistry from DePaul University, a Bachelors in Chemistry from the University of Illinois in Chicago, and an MBA from the University of California at Berkeley.  He has over ten years of materials and systems engineering experience from his experience at Honeywell Aerospace and with Arcanum Alloys.  He holds multiple patents from his time with both organizations.  He and his team are currently charged with rapidly developing new products using the Arcanum Alloys’ proprietary Spatially Optimized Diffusion Alloy platform.  This platform enables the company to create composite alloys that eliminate trade-offs in material performance.

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