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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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Here is a random collection of some relatively common misconceptions about three-phase squirrel cage motor performance characteristics.
Aquí tenemos una colección de algunos de los conceptos errados más comunes acerca de las características de desempeño de los motores eléctricos tipo jaula.
This paper, presented at the 2013 EASA Convention, will examine Power Factor Tip-up and Partial discharge testing to assess stator winding conditions for motors rated 2300 V and above. Both tests will be evaluated for: effectiveness; which windings/types of machines the test is effective; set-up; interpretation and limitations.
In large office buildings or industrial settings, the power factor should be maintained close to unity. The benefits in doing so are as follows: The losses in the cables and other equipment can be reduced because the current flow through them is reduced. This, in turn, reduces heating, and hence aging. In addition, the requirements for circuit interrupting devices are less onerous. So smaller or less expensive ones can be used. Finally, energy costs can be reduced by eliminating or reducing utility surcharges. Note that not all utilities penalize the user for low power factor.
In electric motors, power factor varies with load (although not directly). A motor running without a load will have a very low power factor, whereas at full load, the power factor may be relatively high. A facility that has a very low power factor in the total system may be charged a penalty by the power company for "borrowing" the power without fully using it. This is because more current is being transmitted than is actually doing any useful work.
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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