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Why Buy an Expensive Mechanical Seal?

  • July 2026
  • Number of views: 160
  • Article rating: No rating
Article

The seal failed and you replaced it. But it failed again and your seal supplier explained that the replacement seal you bought was a lower cost seal, and they have more expensive seals that might hold up better. So, you bought a more expensive seal, but it failed too. What went wrong?

¿Por qué comprar un sello mecánico caro?

  • July 2026
  • Number of views: 120
  • Article rating: No rating
Article

El sello falló y usted lo reemplazó. Sin embargo, volvió a fallar y su proveedor le explicó que el repuesto que había comprado era barato y que disponían de sellos más caros que podrían ofrecer un mejor rendimiento. Así que compró un sello más costoso, pero también falló. ¿Qué salió mal?

Get Excited About Excitation

  • July 2026
  • Number of views: 190
  • Article rating: No rating
Article

Few things are less exciting in the motor world than a large synchronous motor that refuses to start—and all too often, the root cause is excitation. This article provides an overview of what synchronous motor excitation is, how it works, and the common issues you are likely to encounter.

Attention Salesperson: Use Eddy to Answer Customers' Technical Questions

  • July 2026
  • Number of views: 147
  • Article rating: No rating
Article

Customers do not expect a salesperson to solve every technical issue on the spot, but they do expect a fast, informed response that demonstrates their problem is being taken seriously. EASA’s AI assistant, Eddy, can help close that information gap by quickly organizing technical questions, pointing to relevant EASA guidance, and helping the salesperson prepare a clearer response for the customer.

Entusiasmate con la excitación

  • July 2026
  • Number of views: 136
  • Article rating: No rating
Article

Pocas cosas resultan menos estimulantes en el mundo de los motores que un gran motor sincrónico que se niega a arrancar; y, con demasiada frecuencia, la causa raíz reside en la excitación. Este artículo ofrece un panorama general de qué es la excitación de un motor síncrono, cómo funciona y los problemas habituales que es probable que encuentre. 

Cleaning Motor Water Heat Exchangers and Jackets: Why and How? Practical Advice

  • June 2026
  • Number of views: 818
  • Article rating: 2.7
Article

While air-to-air cooled machines (WPII or TEAAC) dominate the market, water-to-air cooling is typical for motors rated above 5,000 kW (6,700 hp) or where water is readily available, or with specific applications such as wind generators. Service centers encounter two configurations: external tube heat exchangers and integral water jacket heat exchangers.

Safely Drying Out Windings in the Field

  • June 2026
  • Number of views: 1164
  • Article rating: No rating
Article

While there are mechanical concerns to consider as well, this article covers only the drying of the winding. The techniques listed here broadly cover stator windings, armatures, field poles, wound rotors and rotor poles.

Limpieza de intercambiadores de calor y camisas de refrigeración de motores: ¿Por qué y cómo? Consejos prácticos.

  • June 2026
  • Number of views: 431
  • Article rating: No rating
Article

Si bien las máquinas con refrigeración aire-aire (WP II o TEAAC) dominan el mercado, la refrigeración agua-aire es habitual en motores con potencias superiores a 5000 kW (6700 hp), en aquellos casos en los que el agua está fácilmente disponible, o en aplicaciones específicas, tales como los generadores eólicos. Los centros de servicio se encuentran con dos configuraciones: intercambiadores de calor con tubos externos e intercambiadores de calor integrales de camisa de agua. 

Secado seguro de devanados en campo

  • June 2026
  • Number of views: 393
  • Article rating: No rating
Article

El secado de devanados en campo presenta desafíos únicos en comparación con el secado en un centro de servicio.  Si bien también existen aspectos mecánicos que deben tenerse en cuenta, este artículo se centra exclusivamente en el secado del devanado. Las técnicas que se enumeran a continuación abarcan, en términos generales, los devanados de estator, las armaduras, las bobinas de campo, los rotores bobinados y los polos de un rotor.

Leadership Lab #2: Set Goals and Make Them Happen

  • May 2026
  • Number of views: 636
  • Article rating: 3.5
FREE for Members of EASA
Webinar recording

Goals without action are just wishes. Learn the structured process that transforms aspirations into achievements and discover how to align your daily actions with your long-term vision.

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.

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