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Revisit the 2021 ConventionIf you purchased a convention registration with access to the education events - or if you were an exhibitor - you now have access to watch recordings of the events. Download the handouts and technical papers, too.
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Engage locallyEASA's international membership is divided into 10 Regions that are made up of 32 Chapters.
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EASA Resource GuideA handy, downloadable PDF booklet summarizing the products and services available from EASA.
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This webinar recording shares some of the “best practice” rewind methods used by (and learned from) EASA service centers around the world: connection recognition, best insulating materials, wire choices and tips to save time and effort.
This handy form provides fields to record all of the details needed to document and/or order replacement coils for an AC form-wound machine. The form also includes detailed descriptions/definitions of the data to be recorded in each field.
The power factor tip-up test is commonly used as a quality measurement for new coils and windings manufactured for AC motors and generators rated 6 kV and higher. It can also be useful in the rewind shop to verify the quality of a newly-installed coil system including the effectiveness of VPI processing.
La prueba de volcado del factor de potencia se usa comúnmente como una medida de calidad para bobinas y devanados nuevos fabricados para motores de CA y generadores con clasificación de 6 kV y más. También puede ser útil en el taller de rebobinado para verificar la calidad de un sistema de bobina recién instalado, incluida la efectividad del procesamiento de VPI.
This started as an article to explain those cases where a 2-pole winding concentric-to-lap conversion will not run. The cause has to do with the coil pitch selected and slot spatial harmonics. These harmonics have a harmful effect on motor performance. The key is avoiding certain coil pitches, and the "problem" 2-pole pitch depends on the number of slots and the coil pitch. To make the article more useful, it includes tables to identify "preferred" coil pitches for2-pole, 3-phase windings, as well as those that should be avoided.
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 May 2021
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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