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Problemas de motores comunes en el centro se servicios

  • February 2024
  • Number of views: 250
  • 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.

Common Motor Issues in the Service Center

  • February 2024
  • Number of views: 812
  • 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.

 

Adjusting End Play on Vertical Pump Motors

  • January 2024
  • Number of views: 970
  • Article rating: No rating
Video

This video walks through the steps to adjust and set end play on a typical vertical hollow shaft pump motor.

Vertical Machines with Spherical Roller Thrust Bearings

  • January 2024
  • Number of views: 1213
  • Article rating: No rating
Article

One aspect of our repair industry that seems to cause a lot of confusion is the bearing arrangements of vertical motors. There is quite an assortment of thrust bearing arrangements, and we tend to try to apply the same method for adjusting end play to all of them. That is often a bad idea, so this article will take a closer look specifically at those fitted with a spherical roller thrust bearing and repair tips unique to these designs.

Crooked Teeth? We’ve Got Braces!

How Using Clamps When Pulling Magnet Wire Helps Prevent Splayed Teeth

  • January 2024
  • Number of views: 768
  • Article rating: No rating
Article

Unless great care is taken, pulling magnet wire from a motor stator often bends or splays the lamination’s end teeth. Bent teeth, or teeth that have been splayed outward at the ends of the core stack, will likely compromise the quality of the repair job. Therefore, we have designed and implemented the use of disc clamps to hold the stator tooth tips in place while pulling magnet wire from the slots. The clamping fixtures described in the photos have helped ensure that we avoid damaging the stator teeth during the stripping process.

¿Dientes Torcidos? ¡Tenemos Ortodoncia!

Cómo el usar discos de retención al tirar del alambre magneto previene doblar los dientes de las laminaciones

  • January 2024
  • Number of views: 410
  • Article rating: No rating
Article

A no ser que se tenga mucho cuidado, tirar del alambre magneto al desmantelar el estator de un motor a menudo deforma o dobla los dientes de las laminaciones. Estos dientes deformados comprometerán la calidad de la reparación y hay estudios que demuestran que este problema puede reducir la eficiencia del motor. Sin embargo, aunque esta reducción puede ser pequeña, genera altos costos y desperdicio de energía.

Máquinas verticales con rodamientos de empuje de rodillos esféricos

  • January 2024
  • Number of views: 766
  • Article rating: No rating
Article

Un aspecto de nuestra industria de reparación que parece causar mucha confusión es la disposición de los rodamientos de los motores verticales. Existe una gran variedad de disposiciones de rodamientos de empuje y tendemos a intentar aplicar el mismo método para ajustar el juego axial en todos ellos. Por lo general, esta es una mala idea, por lo que este artículo analizará más de cerca específicamente aquellos motores equipados con un rodamiento de empuje de rodillos esféricos y ofrecerá consejos de reparación exclusivos para estos diseños.

Conversión de Aluminio a Cobre: Lo que Necesita Saber

  • December 2023
  • Number of views: 955
  • Article rating: 4.0
Webinar recording

¿Recibió un motor antiguo bobinado con alambre de aluminio? Este webinario explicará como realizar la conversión adecuada de alambre de aluminio a alambre de cobre en máquinas de CA y CC, incluyendo ejemplos para el rebobinado de estatores y campos shunt.

Concentric to Lap Conversions

  • October 2023
  • Number of views: 3199
  • Article rating: No rating
Article

This article looks at some of the import details for a proper concentric to lap winding conversion. It also shows how using the EASA Technical Manual, EASA's AC Motor Verification & Redesign Software, as well as the EASA AC Redesign manual, can help.

Conversiones de un Bobinado Concéntrico a Imbricado

  • October 2023
  • Number of views: 1072
  • Article rating: 5.0
Article
Este artículo analiza algunos de los detalles de importación para una conversión adecuada de devanado concéntrico a devanado por vuelta. También muestra cómo puede ayudar el uso del Manual técnico de EASA, el software de rediseño y verificación de motores de CA de EASA, así como el manual de Rediseño de motores AC de EASA.

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