February 04, 2022

The National Electrical Manufacturers Association (NEMA) is pleased to announce the publication of NEMA MG G2-2021 A NEMA Motor and Generator (IS-MG) Section Guide for Validating an Alternative Efficiency Determination Method (AEDM).

This new guide defines the process to validate a digital model for predicting the efficiency of electrical motors. This process can be used in conjunction with laboratory data (semi-analytical models) to combine the losses of multiple components within more complex systems.

“This guide provides a means to obtain accurate motor efficiency predictions while reducing the number of physical samples requiring testing,” said NEMA Industry Director, Industrial Systems, Fern Abrams.

“It adds value to the industry because the use of validated AEDMs reduces the costs associated with testing and certifying to Department of Energy regulations and other national minimum energy performance standards,” she said.

This guide was written for motor manufacturers and energy regulators such as the U.S. Department of Energy.

NEMA MG G2-2021 is available on the NEMA website for $56 in hard copy and at no cost as an electronic download.