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NOTICE: The EASA office will be closed Dec. 24, 2024 - January 1, 2025. Technical support will still be available. For quickest response, please use the online support forms or send your inquiry to technicalsupport@easa.com.
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Webinar Recordings

Getting the Most From the Phase Balance Test

  • December 2024
  • Number of views: 670
Article

The phase balance test is a simple yet effective method for diagnosing some problems with existing windings and for inspecting new windings before resin treatment. Including thermography enhances diagnostic capabilities, making it a valuable addition to the testing process.

Obteniendo lo Máximo de la Prueba de Equilibrio de Fases

  • December 2024
  • Number of views: 439
Article

La prueba de equilibrio de fases es un método simple y efectivo para diagnosticar algunos problemas en los devanados existentes y para inspeccionar devanados nuevos antes del tratamiento final. Incluir termografía mejora el diagnóstico, lo que es una adición valiosa para el proceso de prueba.

Submersible Pump Stator Oil Guidelines

  • November 2024
  • Number of views: 1043
Article

In addition to seal oil, some submersibles have an oil filled stator cavity. The oil in the stator cavity very efficiently transfers heat from the stator winding and core, and especially from the rotor, to the pump casing where convection carries it to the pumpage in which the pump is submerged. While the specifications for seal oil are fairly flexible, stator cavity oil has more constraints.

Pautas Para el Aceite del Estator de las Bombas Sumergibles

  • November 2024
  • Number of views: 671
Article

Además del aceite de sellado, algunas bombas sumergibles tienen una cavidad del estator llena de aceite. Este aceite transfiere de manera muy eficiente el calor desde el devanado y el núcleo del estator, y especialmente desde el rotor, hasta la carcasa de la bomba, donde la convección lo lleva al líquido de bombeo en el que está sumergida. Si bien las especificaciones para el aceite de sellado son bastante flexibles, el aceite de la cavidad del estator tiene más restricciones.

Identifying Unmarked Leads of Three-Phase Motors

  • October 2024
  • Number of views: 1643
FREE for Members of EASA
Webinar recording

This presentation reviews procedures that explain how to identify unmarked leads of three-phase motors with one or two windings.

Core Repair Tips To Reduce Core Loss

  • August 2024
  • Number of views: 1755
FREE for Members of EASA
Webinar recording

When a core loss test reveals localized hot spots, or visual inspection identifies physical damage, the ability to repair the damage in a cost-effective manner means the difference between repair or replacement.

La Importancia de la Prueba de Impedancia del Estator

  • July 2024
  • Number of views: 670
FREE for Members of EASA
Webinar recording

Este webinario incluye procedimientos de prueba, resultados esperados y el uso de cámaras termográficas para determinar posibles problemas en las conexiones o en las soldaduras.

Rewind 2024

  • July 2024
  • Number of views: 3355
Convention presentation

Revisit EASA's 2024 Convention & Solutions Expo by buying access to recordings of the general sessions and education events streamed from EASA's website! These recordings provide just over 32 hours of training. Downloadable PDFs of slides and technical papers are included!

Cómo efectuar una "prueba de impacto" para resonancia

  • July 2024
  • Number of views: 2091
Article

Cuando la resonancia causa una vibración excesiva, es importante identificar la frecuencia natural y la forma modal de la vibración. Una simple prueba de impacto (bump test), realizada a máquina parada, es un buen primer paso para identificar la frecuencia natural.

How to Conduct a “Bump Test” for Resonance

  • July 2024
  • Number of views: 3124
Article

When resonance does cause excessive vibration, it is important to identify the natural frequency and the mode shape of the vibration. A simple bump test, conducted with the machine not running, is a good first step in identifying the natural frequency.