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Tips and Tricks for Electric Motor Repair

  • January 2026
  • Number of views: 346
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This webinar recording shares practical solutions for mechanics and winders to overcome common challenges and streamline their daily work.

ANSI/EASA Standard AR100-2025: Recommended Practice for the Repair of Rotating Electrical Apparatus

  • January 2026
  • Number of views: 1319
  • Article rating: 5.0
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.

Tests to Ensure Proper DC Machine Performance

  • January 2026
  • Number of views: 564
  • Article rating: No rating
Article

Many service centers are unable to perform full-load testing of large DC machines. The good news is that there are specific tests that can be performed on a DC motor to verify the integrity of windings, the correct relative polarity of armature to interpoles, and proper running performance. This article explains specific tests that can help ensure a motor operates properly when the motor is installed. 

Structuring Service Center Success With a Written Learning Plan

  • January 2026
  • Number of views: 361
  • Article rating: No rating
Article

Does your electric motor service center have prescribed standard operating procedures? When we hire a new team member, we load them up with policy, safety and procedural manuals, often including resources like ANSI/ EASA Standard AR100-2020. Yet, many service center owners and managers have a disconnect when it comes to formal skill development programs.

Fan Laws and System Resistance Curves

  • January 2026
  • Number of views: 410
  • Article rating: No rating
Article

The purpose of this article is to explain the basis and application of rules used to “estimate” fan performance for a fan installed in a duct system moving air when the speed of the fan is changed.

Pruebas para asegurar el correcto funcionamiento de las máquinas de CC

  • January 2026
  • Number of views: 207
  • Article rating: No rating
Article

Muchos centros de servicio no pueden realizar pruebas a plena carga en máquinas de corriente continua grandes, sin embargo, la buena noticia es que existen pruebas específicas que permiten verificar la integridad de los devanados, la polaridad relativa correcta entre la armadura y los interpolos, y el adecuado funcionamiento del motor. Este artículo explica pruebas específicas que pueden ayudar a garantizar que el motor funcione correctamente una vez instalado.

Leyes de los ventiladores y curvas de resistencia del sistema

  • January 2026
  • Number of views: 109
  • Article rating: No rating
Article

El propósito de este artículo es explicar los fundamentos y la aplicación de las reglas utilizadas para estimar el rendimiento de un ventilador instalado en un sistema de conductos que mueve aire al variar su velocidad. Con un conocimiento básico de estas reglas, es posible calcular rápidamente el rendimiento de un ventilador para diversas condiciones de velocidad.

Concentric to Lap Conversions

  • December 2025
  • Number of views: 758
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This presentation covers the important details for a properly converting a 3 phase winding from concentric to lap.

Identificando cables no marcados en maquinas de 12 terminales con un solo devanado

  • December 2025
  • Number of views: 477
  • Article rating: No rating
Article

Identificar los cables sin marcar en los motores trifásicos es una tarea habitual para los técnicos de los centros de servicio. Este artículo presenta un método para asignar números a los cables de una máquina de 12 cables con los terminales sin marcar.

Encontrando el centro: Análisis profundo de la solución de problemas del centro magnético en equipos rotativos

  • December 2025
  • Number of views: 474
  • Article rating: No rating
Article

En el mundo de la maquinaria rotativa, términos como balanceo, holgura y alineación son habituales para ingenieros y técnicos. Pero hay un concepto que a menudo se esconde a simple vista, crucial para el rendimiento, la longevidad y la seguridad: la alineación del centro magnético.

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - coverThis 40-page booklet provides great advice for obtaining 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 BUY PRINTED COPIES

READ MORE ABOUT THE FEATURES AND BENEFITS

EASA/AEMT Rewind Study

EASA Rewind Study cover

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors
Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.

DOWNLOAD THE FULL RESULTS

ANSI/EASA AR100-2025

ANSI/EASA AR100-2025 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

EASA Technical Manual

EASA Technical Manual cover

Revised October 2025
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