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Proper Repair/Rewind Practices Maintain Efficiency/Reliability of Premium Efficiency/IE3 Motors  DOWNLOAD THE EXECUTIVE SUMMARY
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Resource Library

Advice: Effects of High or Low Voltage on Motor Performance

  • September 2020
  • Number of views: 85
  • Article rating: 5.0
Trade press article — RV News

To ensure the reliability of an RV’s electrical devices, especially electric motors, campers must know the service voltage of the hookup their RV is using. Teaching consumers to check that before they plug in the vehicle could save them many headaches.

Working with the No-Nameplate Motor

  • September 2020
  • Number of views: 195
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

Customers will often send in a motor with no nameplate and having little knowledge of the machine’s ratings. This webinar guides attendees through the process of evaluating the machine using core size, winding data and diagnostic testing to assign reasonable ratings.

This webinar is useful for service center technicians, supervisors and managers.

ANSI/EASA Standard AR100-2020: Recommended Practice for the Repair of Rotating Electrical Apparatus

  • September 2020
  • Number of views: 987
  • Article rating: 3.5
Booklet

ANSI/EASA AR100 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.

Usual & Unusual Service Conditions for Motors and Generators

  • September 2020
  • Number of views: 246
  • Article rating: No rating
Article

What are the normal conditions for which a motor is designed? This is a question that does not often come up except when there is an issue with a motor application.

Condiciones de Servicio Normales + Inusuales en Motores y Generadores

  • September 2020
  • Number of views: 168
  • Article rating: 3.0
Article

¿Cuáles son las condiciones normales para las que está diseñado un motor eléctrico? Esta es una pregunta que no surge muy a menudo, excepto cuando existe un problema con la aplicación.

Circulating Currents in AC Stator Windings

  • August 2020
  • Number of views: 457
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This webinar recording discusses the equalized connections found in an increasing number of factory windings, explains why they are used, and addresses whether or not they are needed when converting a concentric winding to a lap winding. Alternatives, such as changing the number of circuits, or the special extra-long jumpers, are also compared.

Synchronous Reluctance Motor Basics

  • July 2020
  • Number of views: 496
  • Article rating: No rating
Article

Advancement in power electronics over the last few decades has made it possible to utilize a variety of rotating electric machines that would otherwise not be feasible. One such class of machines is called reluctance machines because of the way they produce an electromagnetic torque. A reluctance machine is an electric machine in which torque is produced by the tendency of its movable part to move to a position where the inductance of the excited winding is maximized.

Fundamentos de los Motores Sincrónicos

  • July 2020
  • Number of views: 389
  • Article rating: No rating
Article

Los avances en la electrónica de potencia en las últimas décadas han permitido el uso de una variedad de máquinas eléctricas rotativas que de otro modo no sería factible. Una de ellas se denomina máquina de reluctancia debido a la forma en la que dichas máquinas producen un torque electromagnético. Una máquina de reluctancia es una máquina eléctrica en la cual el torque se produce por la tendencia de su parte móvil a moverse a una posición donde se maximiza la inductancia del devanado excitado.

Getting to Know Reluctance Machines

  • June 2020
  • Number of views: 289
  • Article rating: No rating
FREE for Members of EASA
Convention presentation

This recording explores features of synchronous and switched reluctance machines.

Vertical Motor Operation and Repair

  • June 2020
  • Number of views: 385
  • Article rating: No rating
FREE for Members of EASA
Convention presentation

Vertical motors differ from horizontal motors in numerous ways, yet some view them as “just a horizontal motor turned on end.” The obvious differences are the (usually) thrust bearings, with arrangements varying from single- to three-thrust bearings with different orientations suited for specific load, rpm and applications. Less obvious differences are in the ventilation arrangements, shaft stiffness, degrees of protection and runout tolerances. This recording will cover those topics.

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 AR100-2020

ANSI/EASA AR100-2020 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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