May 2021

Plant Life

12 Meet your ‘digital twin’

Virtual manufacturing simulations have proved handy, both

before and during complex processes

By Selena Cotte, EA Managing Editor

Fast Forward

14 The green behind the green

The finances behind the development of renewable energy are as innovative as the technology itself

By Susan L. Follett, EA Contributing Writer

Conventions & Trade Shows

24 Back in the saddle

This year’s convention of the Electrical Apparatus Service Association will provide a forum for getting down to business

By Kevin Jones, EA Senior Editor

26 Welcome to Fort Worth

What to see during this year’s roundup of the Electrical Apparatus Service Association

By Susan L. Follett, EA Contributing Writer

Motor Efficiency

30 Motor efficiency then, now, and tomorrow

A brief look at the history and possible future of three-phase industrial electric motors

By John Malinowski, EA Special Correspondent

Motors & Generators

33 Motors old and new

Antique motors are still around and being repaired, even as new high-efficiency machines are scoring points with test labs

By Kevin Jones, EA Senior Editor, and Charlie Barks, EA Associate Editor

39 Random winding for high-voltage motors?

The checkered history of ‘mush’ windings developed for motors above 600 hp

With trilingual summary

By Richard L. Nailen, EA Engineering Editor

More Than Accounting

45 Financial protections in the pandemic

By William H. Wiersema, CPA, EA Contributing Editor

Safety & Health

48 Workplace safety updates

Know these OSHA facts before returning to the plant or shop

By Charlie Barks, EA Associate Editor

Pump It Up

55 Lab work

As federal rules covering pump efficiency expand, so does the network of labs authorized to perform certified tests

By Kevin Jones, EA Senior Editor

Green Energy

59 What’s ahead for green deals

The next decade’s energy landscape may owe more to business than politics

By the EA staff

Also -- 

Reader profile - Dr. Shanelle Foster, Michigan State University

Know your Industry - The Bearing Specialists Association

Names and Faces, Product Showcase and more!