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NOTICE: Motor Winding Workbench will be undergoing database maintenance beginning at 11:00 pm CT, Tuesday, Nov. 3, 2026. Service outage is expected to take 30 minutes.

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Bare Core Redesign with Motor Winding Workbench

  • November 2026
  • Number of views: 49
  • Article rating: No rating
Article

Occasions arise where original winding data is not available; it may have been recorded incorrectly, or a different service center may have stripped the core but not completed the repair. In those cases, the service center must come up with a new “bare core” winding design. Motor Winding Workbench has some specific features to address this need.

Rediseño de Motores con núcleos sin datos usando Workbench

  • November 2026
  • Number of views: 7
  • Article rating: No rating
Article

Por lo general, los datos del bobinado se registran al momento en que se retira el alambre del núcleo. Sin embargo, a veces estos no están disponibles, han sido anotados de forma incorrecta, u otro centro de servicio ha retirado el bobinado del núcleo sin llegar a completar la reparación. En tales situaciones, el centro de servicio debe efectuar un diseño nuevo del bobinado partiendo del «núcleo sin datos» y Workbench cuenta con las funciones específicas para cubrir esta necesidad.

Motor Winding Workbench: Motor Manufacturer Name Matters

  • November 2026
  • Number of views: 30
  • Article rating: No rating
Article

An important element of the Reference Motor database is that all motor data includes the motor manufacturer name. The manufacturer name adds authenticity and helps members understand the source of the data.

Document Before You Strip

A Repeatable Method for Documenting Complex Three-Phase Windings

  • November 2026
  • Number of views: 20
  • Article rating: No rating
Article

When rewinding a typical three-phase motor, an experienced motor winder can usually identify the winding pattern quickly. However, there are also motors where anticipating a repeating pattern can get a repair center in trouble.

Nuevo software de bobinado y rediseño de motores: El nombre del fabricante del motor es importante

  • November 2026
  • Number of views: 8
  • Article rating: No rating
Article

Un aspecto importante de esta base de datos es que todos los registros incluyen el nombre del fabricante del motor. Este dato aporta autenticidad y ayuda a los miembros a identificar la procedencia de la información.

Voltage Drop Test Tips and Procedures

  • October 2026
  • Number of views: 1700
  • Article rating: No rating
Article

One of the basic dependable tests for DC fields and synchronous fields is the voltage drop test. This test can be performed using AC or DC voltage, but EASA’s Technical Support Team receives a lot of questions about how to interpret the results. 

Prueba de caida de voltaje. Procedimientos y consejos

  • October 2026
  • Number of views: 279
  • Article rating: No rating
Article

Una de las pruebas básicas y confiables para devanados de campo de CC y bobinas de rotores síncronos es la de caída de voltaje. Dicha prueba se puede realizar empleando CA o CC, sin embargo el equipo de soporte técnico de EASA recibe numerosas consultas sobre cómo interpretar los resultados.

Best Practices for Brazing Connections

  • September 2026
  • Number of views: 1332
  • Article rating: No rating
Article

Many brazing failures can be traced to a short list of preventable mistakes. Poor cleaning, improper heating, excessive joint gaps and incorrect use of flux are among the most common causes of weak or unreliable braze connections.

Las mejores prácticas para soldar conexiones

  • September 2026
  • Number of views: 653
  • Article rating: No rating
Article

Muchos fallos en la soldadura fuerte se deben a una serie de errores evitables. Una limpieza deficiente, un calentamiento inadecuado, holguras excesivas en la unión y el uso incorrecto del fundente son algunas de las causas más comunes de uniones débiles o poco fiables.

10 Motor Performance Characteristics Every Industrial Maintenance Team Should Understand

  • August 2026
  • Number of views: 363
  • Article rating: No rating
Trade press article

This article provides practical rules of thumb for evaluating the performance and health of three-phase squirrel-cage induction motors in industrial environments. Rather than requiring detailed engineering calculations, these guidelines help maintenance professionals quickly identify operating conditions that may lead to reduced reliability, overheating, nuisance trips, or premature motor failures.

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

DESCARGAR - ESPAÑOL

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