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Tyler Voss Membership & Communications Specialist+1 314 993 2220tvoss@easa.com
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The new Motor Winding Workbench is now live and replaces EASA’s Motor Winding Database and the AC Motor Verification & Redesign program (Version 4). Visit workbench.easa.com (log in required) to access the new app that is included FREE as part of your EASA membership!
This presentation covers what partial discharge is, how partial discharge damages insulation, and some testing methods.
When equipment fails and customers wait, knowing exactly how to test each temperature-sensing device becomes critical. Don't let temperature accessories be your diagnostic blind spot.
The purpose of this article is to provide some tips for working with unequal-turn (odd-turn), two-layer lap windings, with emphasis on how to sequence the coils within the group for optimum slot fill.
El propósito de este artículo es brindar consejos para trabajar con bobinados imbricados de dos capas con vueltas desiguales (impares), con énfasis en cómo secuenciar las bobinas dentro del grupo para obtener un llenado óptimo de las ranuras
ANSI/EASA AR100 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.
La norma ANSI/EASA AR100 es una guía indispensable para la reparación de máquinas eléctricas rotativas. Su objetivo es establecer las prácticas recomendadas en cada etapa de los procesos de rebobinado y reconstrucción de aparatos eléctricos rotativos.
This presentation covers the important details for a properly converting a 3 phase winding from concentric to lap.
Identificar los cables sin marcar en los motores trifásicos es una tarea habitual para los técnicos de los centros de servicio. Este artículo presenta un método para asignar números a los cables de una máquina de 12 cables con los terminales sin marcar.
Identifying unmarked leads in three-phase motors is a common task for service center technicians. This article provides one way to assign lead numbers for a 12-lead machine with unmarked leads.
This 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:
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The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.
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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.
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Revised October 2025 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.
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