Design Metrics for Permanent Magnet Motors

Design Metrics for Permanent Magnet Motors

This piece was originally published in the April 2018 issue of electroindustry.

Ann Brandstadter, Manager, Standards Publications and Marketing, NEMA

NEMA SM 1-2017 Guide to General-Purpose Synchronous Motors without Excited Rotor Windings is a new guide that provides design metrics for polyphase alternating-current permanent magnet motors rated 500 horsepower and less.

NEMA SM 1-2017 is available in hard copy and as an electronic download for $285.

Other recently published documents include:

NEMA LSD 66-2017 Understanding the Fluorescent Ballast Rule, EPCA 10 CFR 430 is a white paper that explains the fluorescent ballast rule and the associated measurement methods. This revision of LSD 66 contains updated language and is available as an electronic download at no cost.

NEMA VSP 1-2017 Susceptibility of Electrical and Electronic Components to Surge Damage is a new white paper that provides an overview of electrical and electronic equipment surge susceptibility. It is available as an electronic download at no cost.


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