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Tyler Voss Membership & Communications Specialist+1 314 993 2220tvoss@easa.com
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This manual covers horizontal and vertical squirrel-cage induction motors in the 300 to 5,000 horsepower range, low- and medium-voltage. Most of the principles covered apply to other sizes as well. This manual focuses primarily on IEC motors and standards.
Es bien conocido por aquellos que trabajan con el almacenamiento de motores eléctricos que las filosofías y procedimientos de mantenimiento varían. La revisión minuciosa de la información de EASA y siete fabricantes de motores diferentes sobre el almacenamiento de motores reveló algunas diferencias y similitudes interesantes en la información disponible en cada una de las fuentes consultadas.
Varias fuentes comparten elementos comunes como el ambiente, la protección contra humedad, el mantenimiento de los rodamientos y la resistencia de aislamiento. Aquí, la finalidad de nuestro debate es describir algunas de las diferencias y ojalá dar a conocer algunos puntos a tener en cuenta cuando se crea un procedimiento de almacenamiento a largo plazo para los usuarios finales.
From time to time, the subject of space heating comes up to address issues caused by condensation in idle motors (or generators). Many feel that a motor can receive more harm from being idle than if it is in service. This is especially true in humid environments where condensation can have a negative impact on winding insulation material and machined surfaces. This article discusses various methods to apply this space heating and their merits and shortcomings.
De vez en cuando, aparece el tema de los sistemas de calefacción, para solucionar un problema causado por la condensación en los motores (o generadores), que se encuentran fuera de servicio. Son muchos los que piensan que el motor puede sufrir más daños estando inactivo que en operación. Esto es especialmente cierto, cuando existen ambientes húmedos en los cuales la condensación puede causar un impacto negativo sobre los materiales aislantes del bobinado y en sus superficies mecanizadas.
Electric motor repair report form to collect basic motor, bearing, shaft, and coupling information.
When we repair a motor that has space heaters, or when we want to add them to a motor that does not currently have them, the correct size heater is often unknown. Different manufacturers use different sizes based on the motor type and frame, but there are a couple different equations that can be used to determine the approximate wattage.
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 2024 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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