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Webinar Recordings

Identifying Unmarked Leads of Three-Phase Motors

  • October 2024
  • Number of views: 1272
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.

Using EASA’s Motor Rewind Data – Version 4

  • June 2024
  • Number of views: 2538
FREE for Members of EASA
Webinar recording

Learn how to effectively use EASA's live, ever-expanding online database of more than 250,000 windings.

Circulating Currents: Causes and Solutions

  • May 2024
  • Number of views: 2895
Article

This article explains in layman’s terms what electromechanical professionals refer to as circulating currents, why they exist in three-phase electric motors and to offer practical solutions. 

Corrientes Circulantes: Causas y Soluciones

  • May 2024
  • Number of views: 2415
Article

Este artículo es explicar en términos sencillos a qué se refieren los profesionales de la electromecánica como corrientes circulantes, por qué existen en los motores eléctricos trifásicos y ofrecer soluciones prácticas.

Stator Rewinds: When Things Get Tight

  • March 2024
  • Number of views: 4715
FREE for Members of EASA
Webinar recording

When preparing to rewind random or form-wound status, sometimes there just doesn’t seem to be enough room in the stator slot for the desired conductor area and insulation quantities. This presentation looks at balancing stator copper losses against insulation reliability.

Concentric to Lap Conversions

  • October 2023
  • Number of views: 6976
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: 2013
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.

Lead Wire Sizing for Three-Phase Machines

  • August 2023
  • Number of views: 7012
Article

EASA recommends using the lead wire specified by the original equipment manufacturer (OEM) whenever possible. If not available, some guidance is provided in section 6 of the EASA Technical Manual and an online calculator is available to determine a minimum recommended size based on temperature rating, expected current, number of leads and type of connection. This article will describe the calculator’s function.

Dimensionamiento de cables de salida para máquinas trifásicas

  • August 2023
  • Number of views: 3212
Article

EASA recomienda usar el cable de salida especificado por el fabricante original del equipo. Si no está disponible, la sección 6 del Manual técnico de EASA proporciona orientación al respecto y hay una calculadora en línea disponible en go.easa.com/calculators para determinar el tamaño mínimo recomendado según la clasificación de temperatura, la corriente esperada, la cantidad de cables y el tipo de conexión. Este artículo describirá la función de la calculadora.

EASA Winding Database and Verification and Redesign Program: An Easy-to-Use Solution When Faced with Bare Core Winding Challenges

  • July 2023
  • Number of views: 2857
Article

Occasions arise where original winding data is not available. It may have been recorded incorrectly or a different service center may have stripped the core but not completed the repair. In those cases, the service center must come up with a new “bare core” winding design. EASA's redesign software has some specific features to address this need.