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Resource Library

Root Cause Failure Analysis, 2nd Edition

  • September 2019
  • Number of views: 378
  • Article rating: 5.0
Book

This book was developed to help electric motor technicians and engineers prevent repeated failures because the root cause of failure was never determined. By using a proven methodology combined with extensive lists of known causes of failures, one can identify the actual cause of failure without being an “industry expert.” In fact, when properly used, this material will polish one’s diagnostic skills that would qualify one as an industry expert.

Learning from experience: Tips for repairing a "purpose-built" motor

  • December 2018
  • Number of views: 94
  • Article rating: No rating
Article

I suspect that just about everyone in our industry at one time or another has had the joy of repairing a “purpose-built” motor. This kind of motor is built for a specific purpose and has characteristics that may allow it to operate under non-standard conditions. Due to the limited information that some of them display on the nameplate, the repair of these motors can be somewhat of a challenge. Sometimes these motors possess differences such as the color of paint, the shaft size, the bearing size, or type. It can be the operating temperature and at times it can be the motor in its entirety. Following are a few useful tips we use when repairing a motor with so many question marks.

Aprendiendo de la experiencia: Consejos para reparar motores eléctricos “fabricados con requisitos especiales”

  • December 2018
  • Number of views: 38
  • Article rating: No rating
Article

Sospecho que casi todos en nuestra industria alguna vez han tenido el placer de reparar un motor “fabricado con requisitos especiales”. Este tipo de motor está construido para un propósito específico y tiene características que le pueden permitir funcionar bajo condiciones no habituales. Debido a la información limitada que algunos de ellos muestran en su placa de datos, la reparación de estos motores puede resultar un reto.

What's causing your high motor current?

Understand the source of the problem to tackle it effectively and efficiently

  • February 2018
  • Number of views: 77
  • Article rating: No rating
Trade press article — Plant Services

The most frequent concern about high current with a three-phase motor is high no-load current. But the broad issue of high no-load current isn’t the only three-phase motor issue to which plants should pay heed.

Motor bearings: Electrical damage simplified

  • December 2017
  • Number of views: 78
  • Article rating: No rating
Article

Electrical bearing damage has become a very common issue in electric motors. This is not a new problem, but awareness has put the spotlight on this important reliability factor and industry has stepped up to deal with it.

Rodamientos del motor: Daño eléctrico resumido

  • December 2017
  • Number of views: 26
  • Article rating: No rating
Article

El daño eléctrico de los rodamientos se ha convertido en un problema muy común en los motores eléctricos. Este no es un problema nuevo, pero la concientización ha arrojado luz sobre este importante factor de confiabilidad y la industria ha dado un paso adelante para afrontarlo.

Speed/Torque Curves

  • March 2017
  • Number of views: 32
  • Article rating: No rating
Webinar recording

This webinar covers:

  • Starting torque
  • Breakdown torque
  • Full load torque
  • Speed current curve
  • Load torque curve
  • Impact of reduced voltage start (autotransformer, PWS, wye-delta)
  • Slot combination problems (noise, torque cusp, cogging)
  • It is very important to understand speed torque curves and how they impact motor operation.

The Basics: What You Should Know about Pump Cavitation

  • December 2016
  • Number of views: 32
  • Article rating: No rating
Webinar recording

This webinar recording covers: 

  • What is classic pump cavitation?
  • The NPSHA – NPSHR relationship
  • How to identify the evidence of cavitation
  • Other types of cavitation

Considerations for using VFDs with standard motors

  • December 2016
  • Number of views: 104
  • Article rating: No rating
Trade press article — Plant Engineering

There are a few areas of concern involving the misapplication variable frequency drives (VFDs) on a standard induction motor. This article looks at some of those.

Electric Motors: Repair or Replace? sales/marketing PowerPoint tool

  • October 2016
  • Number of views: 87
  • Article rating: No rating
PowerPoint files

This PowerPoint presentation is available for members to use to present the factors that should be considered when customers are faced with making the difficult decision to repair their existing motor or purchase a replacement.

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

LEARN MORE AND DOWNLOAD MÁS INFORMACIÓN Y DESCARGAR

READ MORE ABOUT THE FEATURES AND BENEFITS

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.

VIEW & DOWNLOAD

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.

DOWNLOAD - ENGLISH

DESCARGAR - ESPAÑOL

EASA AR200

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.

LEARN MORE