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Avoiding Pitfalls in Three-phase Windings with Unequal (Odd) Grouping

  • February 2023
  • Number of views: 1070
  • Article rating: 5.0
Article

This article uses examples to illustrate some of the pitfalls and subtle aspects regarding windings with unequal coil grouping.

Evitando Errores en Devanados Trifásicos con Grupos Desiguales

  • February 2023
  • Number of views: 786
  • Article rating: No rating
Article
Este artículo usa ejemplos para ilustrar algunas de las trampas y aspectos sutiles con respecto a los devanados con agrupamiento desigual de bobinas.

Improve Customer Satisfaction: Follow Electric Motor Storage Procedures

  • January 2023
  • Number of views: 745
  • Article rating: No rating
Article

One of the more mundane things we as repairers must be concerned with is motor storage. For many of us, storing large motors for major customers is its own profit center. For all of us, being aware of how our customers store the motors we repair and send to them is critical to customer satisfaction. A poorly stored motor is likely to suffer winding or bearing failure, and we don’t want unrealistic warranty claims over something outside our control.

Mejore la Satisfacción del Cliente: Siga los Procedimientos de Almacenamiento de Motores Eléctricos

  • January 2023
  • Number of views: 3107
  • Article rating: No rating
Article

Una de las cosas más mundanas de las que debemos preocuparnos como reparadores es el almacenamiento de los motores y para muchos, almacenar motores grandes para clientes importantes representa ganancias. Para todos nosotros, ser conscientes de cómo nuestros clientes almacenan los motores que les reparamos es crítico desde el punto de vista de la satisfacción del cliente. Es probable que un motor mal almacenado sufra fallos en el devanado o en los rodamientos, y no queremos reclamos por garantía poco realistas sobre algo que está fuera de nuestro control.

Sensores de Temperatura para Bobinados y Rodamientos

En Español

  • December 2022
  • Number of views: 724
  • Article rating: 5.0
FREE for Members of EASA
Webinar recording

Para monitorear la temperatura de los bobinados y en los rodamientos se pueden usar diferentes tipos de dispositivos. La correcta identificación de los mismos es importante para determinar el tipo de  sensor en casos en los que el dispositivo es desconocido o para escoger el dispositivo correcto para una determinada aplicación.

Vea las novedades y mejoras en la norma IEEE 841 2021

  • December 2022
  • Number of views: 904
  • Article rating: No rating
Article
El propósito de IEEE 841-2021 es definir requisitos específicos que mejoren el rendimiento mecánico, el rendimiento eléctrico y la confiabilidad del motor. Vea lo que se ha hecho para actualizarlo con los últimos estándares.

Considere el balanceo del devanado en sus rediseños y rebobinados

  • December 2022
  • Number of views: 662
  • Article rating: No rating
Article

La mayoría de los bobinados de los estatores de CA instalados por los centros de servicio de EASA son imbricados de doble capa, trifásicos y están balanceados. Pero ¿qué significa que estén balanceados?

Consider Winding Balance with Redesigns and Rewinds

  • December 2022
  • Number of views: 2287
  • Article rating: No rating
Article

Most AC stator windings installed by EASA service centers are balanced, three-phase, two-layer, lap windings. But, what does it mean for such a winding to be balanced?

See What’s New and Improved about IEEE 841 2021

  • December 2022
  • Number of views: 1112
  • Article rating: No rating
Article

The purpose of IEEE 841-2021 is to define specific requirements that improve the mechanical performance, electrical performance and reliability of the motor. See what has been done to bring it up to date with the latest standards

Open Stator Impedance Testing

  • November 2022
  • Number of views: 1360
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

The open stator impedance test (a.k.a, ball test or dummy rotor test) is used by many service centers as a quality control check before winding treatment and/or a troubleshooting test. This webinar recording reviews test procedures, expected outcomes and incorporating thermal camera imaging.

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