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Proper Repair/Rewind Practices Maintain Efficiency/Reliability of Premium Efficiency/IE3 Motors  DOWNLOAD THE EXECUTIVE SUMMARY
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Can Premium Efficient Motors Be Rewound without Degrading Efficiency?

  • June 2020
  • Number of views: 221
  • Article rating: No rating
FREE for Members of EASA
Convention presentation

In 2003, EASA and AEMT (Association of Electrical and Mechanical Trades in the UK) issued a report that proved rewinding motors in accordance with prescribed good practices would maintain efficiency and reliability. But in recent years, claims abounded that premium efficient motors could not be rewound without degrading efficiency. This recording discusses the latest EASA/AEMT research that included independent, third-party testing.

Motor efficiency regulation changes proposed for Canada; implemented for Mexico

  • June 2016
  • Number of views: 501
  • Article rating: No rating
Article

Motor efficiency regulations are being amended by both Canada and Mexico. The following is a brief review of these amendments, which will provide EASA members with an understanding of what lies ahead for motor efficiency in the 1 to 500 horsepower range in these countries. 

Cambios en la normativa de la eficiencia de motores propuestos para Canadá; implementados por México

  • June 2016
  • Number of views: 436
  • Article rating: No rating
Article

Las normas de eficiencia de los motores eléctricos están siendo modificadas en Canadá y México. La siguiente es una breve revisión de esos cambios que permitirá a los miembros de EASA entender lo que les espera en estos países, en la eficiencia de los motores con rango de potencias desde 1 hasta 500 hp. 

Can you repair energy-efficient motors? Maybe.

  • April 2016
  • Number of views: 1114
  • Article rating: No rating
Trade press article — Wood Business

Most plant engineers and maintenance staff can attest to the reliability of standard-efficiency motors that have been repaired or rewound using industry best practices. They also know repair can cost far less than replacement, especially when the motor has special features. Despite this, some of them hesitate to have failed energy-efficient motors (NEMA Premium models, in particular) repaired because they’ve heard it degrades efficiency.

So, what’s the right answer? Is the decision to repair, rewind or replace a failed energy-efficient motor as simple and straightforward as you may have heard?

El Efecto de la Reparación/Rebobinado en la Eficiencia del Motor

  • March 2016
  • Number of views: 881
  • Article rating: No rating
Booklet

El Efecto de la Reparación/Rebobinado en la Eficiencia del Motor: Estudio de rebobinado realizado por  EASA/AEMT y la Guía de Buenas Prácticas, ilustran que cuando la reparación/rebobinado de un motor eléctrico se realiza de forma correcta,  no se degrada su eficiencia! y que esta  tampoco se reduce después de varios reparaciones/rebobinados. Basado en un estudio realizado en conjunto por  EASA y la Association of Electrical and Mechanical Trades (AEMT) del Reino Unido, esta publicación concluye que empleando las mejores prácticas de reparación/rebobinado la eficiencia del motor se conserva. Además de una Síntesis, el informe proporciona todos los datos de prueba, mucha información relacionada con procedimientos de prueba y metodología, información de los procedimientos que utilizan buenas prácticas, lecturas complementarias y un capítulo entero sobre las consideraciones para reparar/reemplazar un motor.

Loaded question: How much do you know about motor load?

Careful evaluation of motor load requirements could yield long-term savings

  • January 2016
  • Number of views: 822
  • Article rating: No rating
Trade press article — Plant Services

Right-sizing of three-phase induction motors for different applications – and striking a balance between reliability and efficiency – isn’t always easy, but it can be cost-effective.

The Effect of Repair/Rewinding on Motor Efficiency

EASA/AEMT Rewind Study and Good Practice Guide to Maintain Motor Efficiency

  • December 2003
  • Number of views: 1743
  • Article rating: No rating
Booklet

The Effect of Repair/Rewinding on Motor Efficiency: EASA/AEMT Rewind Study and Good Practice Guide illustrates that when performed properly, electric motor repair/rewind does not degrade efficiency! Nor is motor efficiency reduced through multiple repairs/rewinds.

Based on a joint study by EASA and the Association of Electrical and Mechanical Trades (AEMT) of the United Kingdom, this publication concludes that using best repair/rewind practices maintains motor efficiency. Besides an Executive Summary, the report provides complete test data, extensive background information about test procedures and methodology, information about best practice repair/rewind procedures, resources for further reading, and an entire chapter on repair/replace considerations.

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

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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.

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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.

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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.

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