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Choosing the Right Insulation System for Medium Voltage Rewinds

  • April 2024
  • Number of views: 673
  • Article rating: No rating
Article

The insulation system chosen for any rewind should be suitable for the application, the voltage class, and the winding process capability of the service center. In most cases, adherence to “equal to or better than” selection is a good practice.

Escogiendo el sistema de aislamiento adecuado para rebobinados de media tensión

  • April 2024
  • Number of views: 496
  • Article rating: No rating
Article

El sistema de aislamiento escogido para cualquier rebobinado debe ser el adecuado para la aplicación, el voltaje y la capacidad del proceso de rebobinado del centro de servicio. En la mayoría de los casos, seleccionar una opción "igual o mejor" es una buena práctica.

Converting Vibration Units: Process and Solutions

  • March 2024
  • Number of views: 891
  • Article rating: No rating
Article

As we communicate internationally, language barriers persist. In the technical fields, the metric-imperial units clash is slowly diminishing. Many vibration analysts are “bilingual” in that respect and are comfortable using either system. But for more casual users who may only encounter vibration data in regard to meeting specs, unfamiliar vibration amplitude units can be a challenge. 

Convirtiendo Unidades de Vibración: Proceso y Soluciones

  • March 2024
  • Number of views: 630
  • Article rating: No rating
Article

A medida que nos comunicamos internacionalmente, persisten las barreras del idioma y en el campo técnico, el choque entre unidades métricas y en pulgadas está disminuyendo lentamente. Muchos analistas de vibraciones son “bilingües” y se sienten cómodos utilizando cualquiera de los sistemas. Pero para los usuarios ocasionales que tal vez solo encuentren datos de vibración con respecto al cumplimiento de las especificaciones, las unidades de amplitud de vibración desconocidas pueden ser un reto.

Axial Thrust in Rotodynamic (Centrifugal) Pumps

  • February 2024
  • Number of views: 1558
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

When repairing centrifugal and axial flow pumps, axial thrust is a concern. An understanding of the causes and the mitigating provisions of various pump designs will help repair technicians to ensure those provisions work properly.

Problemas de motores comunes en el centro se servicios

  • February 2024
  • Number of views: 428
  • Article rating: No rating
Article

Tres de los problemas más comunes en los motores trifásicos por los que somos consultados son:

  1. “El motor toma mucha corriente en vacío”
  2. “La corriente en las tres líneas no está balanceada”
  3. “ El motor trabaja caliente”

Incluso si nunca te has enfrentado a uno de estos problemas, sigue leyendo porque es casi inevitable que lo hagas y querrás saber qué hacer al respecto.

¡Cuidado con los PCBs! (Bifenilos policlorados)

  • February 2024
  • Number of views: 519
  • Article rating: No rating
Article

Los PCB han sido identificados como un probable carcinógeno para los humanos. Si se le pide a su centro de servicios que recoja un equipo que se sospecha PUEDE contener PCB, haga que lo prueben en campo ANTES de recogerlo. De esta forma, la responsabilidad sigue siendo del cliente. Una vez que recoja un dispositivo que contiene PCB, la responsabilidad es suya.

Common Motor Issues in the Service Center

  • February 2024
  • Number of views: 1372
  • Article rating: 4.0
Article

Three of the most common three-phase motor problems we receive inquiries about are:

  1. “The motor is drawing high no-load current.”
  2. “The current of the three line leads is not balanced.”
  3. “The motor is running hot.”

Even if you have never faced one of these issues, read on because it is almost inevitable that you will, and you will want to know what to do about it.

 

Beware of PCBs! (Poly-Chlorinated BiPhenyls)

  • February 2024
  • Number of views: 827
  • Article rating: No rating
Article

PCBs have been identified as a likely carcinogen for humans. If your service center is asked to pick up equipment that you suspect MAY contain PCBs, have it field tested BEFORE picking it up. Once you pick up a device that contains PCBs, the responsibility is yours.

Safety in the Service Center

  • January 2024
  • Number of views: 1322
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This presentation addresses many of the most common safety hazards and situations that face service centers.

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 AR100-2020

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.

DOWNLOAD - ENGLISH

DESCARGAR - ESPAÑOL

EASA Technical Manual

EASA Technical Manual cover

Revised September 2022
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