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Need an Accredited service center?Find a service center that has proven they repair electric motors in accordance with ANSI/EASA's AR100.
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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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The three-phase squirrel cage induction motor is a very robust machine that can operate over a wide range of voltage conditions; it is the workhorse of the industry. However, for optimum performance and life expectancy, the voltage supply should be a balanced three-phase, sine-wave voltage, and its magnitude should be as close to the nominal voltage stated on the motor nameplate as practical.
Any deviations from these conditions may cause a depreciation in the motor performance and expected life, and increase energy costs. Benchmarking the service entry voltage and the motor performance may be a useful tool to assist in knowing when reasonable limits have been exceeded and that corrective action needs to be taken.
The following detrimental conditions may alone or in combination exist at various times or continuously:
Voltage surges come in many forms, all of which can be devastating to an electric motor. Transient conditions, rapid bus transfer, ungrounded systems, reclosure, improperly located power factor correction (PFC) capacitors, accidental connection of a new dual-voltage motor for the wrong voltage, and lightning are all sources of damaging surges. Here, we would like to discuss two of these sources: rapid bus transfer and reclosure.
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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