Facebook Twitter LinkedIn YouTube Menu Search Arrow Right Arrow Left Arrow Down Arrow Up Home Arrow Next Arrow Previous RSS Icon Calendar Icon Warning Icon
Proper Repair/Rewind Practices Maintain Efficiency/Reliability of Premium Efficiency/IE3 Motors  DOWNLOAD THE EXECUTIVE SUMMARY

Filter the results

  • Enter one or more words to find resources containing any of the words entered
  • Enter words or phrases between " " to find exact match

Resource categories

EASA website guide

Download a helpful guide to resources on the EASA website.


Resource Library

Principles of Medium & Large AC Motors, 1st Edition - IEC

  • February 2020
  • Number of views: 1707
  • Article rating: 5.0

This manual covers horizontal and vertical squirrel-cage induction motors in the 300 to 5,000 horsepower range, low- and medium-voltage. Most of the principles covered apply to other sizes as well. This manual focuses primarily on IEC motors and standards.

Principios de Motores C.A. Medianos y Grandes - NEMA

  • February 2019
  • Number of views: 891
  • Article rating: No rating

Las versiones impresas, en CD-ROM y en forma de descarga del valioso manual didáctico / recurso de EASA, “Principios de Motores C.A. Medianos y Grandes”, se  ahora disponibles en inglés y en español. El manual incluye gráficos e ilustraciones, fotografías y mucha información técnica sobre máquinas C.A., incluyendo como funcionan, información específica sobre los tipos de encerramientos, fabricación de componentes y aplicaciones.  Muchos de los principios incluidos en el libro aplican a todos los motores C.A., especialmente a aquellos accesorios que fueron asociados en el pasado con las máquinas más grandes (como encoders, RTDs, termostatos, calentadores de espacio, sensores de vibración, etc.).

What’s in a nameplate?

Information helps the selection of the right motor regardless of application

  • November 2018
  • Number of views: 1620
  • Article rating: No rating
Trade press article — Plant Engineering

Whether you're selecting a motor for a new application or a replacement for one that has failed, you need a reliable way to match the capabilities and performance characteristics of various motors with the requirements of the application.

Motor nameplate: What information it provides

  • February 2018
  • Number of views: 1320
  • Article rating: 3.0

The nameplate of an electric motor reveals much valuable information about the capability and performance of the machine.

La placa de datos del motor: ¿Qué información proporciona?

  • February 2018
  • Number of views: 2032
  • Article rating: 4.5

La placa de datos de un motor eléctrico revela mucha información valiosa acerca de la capacidad y desempeño de la máquina.

Replacing an engine with an electric motor? Horsepower is horsepower – or is it?

  • June 2017
  • Number of views: 1504
  • Article rating: 5.0

When a customer calls and wants to replace his diesel or gasoline engine with an electric motor to drive a piece of machinery, it’s easy to assume that “horsepower is horsepower.” Not so fast! It turns out that there are many different ways to measure power.

¿Reemplazar un motor con un motor eléctrico? ¿Los caballos de potencia son caballos de potencia - o que son?

  • June 2017
  • Number of views: 1077
  • Article rating: No rating

Cuando un cliente llama y quiere reemplazar su motor diesel o de gasolina por un motor eléctrico para impulsar una pieza de maquinaria, es fácil asumir que “los caballos de potencia son caballos de potencia”. ¡No tan rápido! Resulta que existen muchas formas diferentes para medir la potencia.

How To Wind Three-Phase Stators (Version 2)

Self-paced, interactive training for stators 600 volts or less

  • February 2017
  • Number of views: 801
  • Article rating: No rating

This EASA software is a valuable interactive training tool ideal for training your novice(s) ... and even experienced winders will learn from it. The CD teaches how to wind in a richly detailed, step-by-step approach which includes narrative, animations and video clips, with tests to assess student comprehension. 

Heed design letters when replacing motors

  • November 2016
  • Number of views: 848
  • Article rating: No rating
Trade press article — Maintenance Technology

Too often, replacement specifications for three-phase squirrel-cage induction motors cover only basic nameplate data such as power, speed, voltage, and frame size, while overlooking other important performance characteristics such as the design letter. This can lead to misapplication of a motor, causing poor performance, inoperability, or failures that result in unnecessary downtime.

Bobinage d'un stator triphasé

  • September 2016
  • Number of views: 675
  • Article rating: No rating

Cette formation en ligne a été développée par EASA et a été traduite en français avec la collaboration de EASA, Chapitre Québec et les Maritimes et d’Élexpertise. Cette formation a été réalisée avec l’aide financière de la Commission des partenaires du marché du travail. L’objectif principal est de permettre à l’apprenant d’inscrire les données sur une fiche technique en faisant référence aux notions de base d’un stator triphasé. Les activités d’apprentissage touchent les principales étapes du bobinage. L’apprenant apprend l’entretien et la réparation d’un stator triphasé selon les normes en vigueur. Remarque: Cette formation sera accessible en ligne pour une période de 6 mois. Prix membre: $199 US Prix membre non: $599 US CONTENU                                                                                           INTRODUCTION MODULE 1- Notions de base sur le stator triphasé Structure du stator triphasé Schémas de raccordement du bobinage de stator Utilisation des fiches techniques MODULE 2 - Entretien et réparation d'un stator triphasé Mesures de sécurité Décapage du bobinage d’un stator triphasé Démoulage du bobinage d’un stator triphasé Préparation du noyau d’un stator triphasé Fabrication des enroulements d’un stator triphasé Insertion des enroulements dans un stator triphasé Raccordement des enroulements et des conducteurs électriques Laçage et renforcement du bobinage d’un stator triphasé Inspection du bobinage avant finition Test du bobinage d’un stator triphasé Finition du bobinage de stator triphasé CONCLUSION DURÉE: 10 heures

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - coverThis 40-page booklet provides a great marketing tool for your service center! Use it to provide end users with information that will help them obtain the longest, most efficient and cost-effective operation from general and definite purpose electric motors.

This booklet covers topics such as:

  • Installation, startup and baseline information
  • Operational monitoring and maintenance
  • Motor and baseline installation data
  • How to read a motor nameplate
  • Motor storage recommendations



EASA Technical Manual

EASA Technical Manual cover

The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.


ANSI/EASA AR100-2015

ANSI/EASA AR100-2015 cover

Recommended Practice for the Repair of Rotating Electrical Apparatus
This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.




EASA AR200: Guide for the Repair of Power and Distribution Transformers cover

Guide for the Repair of Power and Distribution Transformers
This document establishes guidelines for each step of the repair of power transformers, describing record keeping, tests, analysis, and general guidelines for the repair of power transformers.