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Tyler Voss Membership & Communications Specialist+1 314 993 2220tvoss@easa.com
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Tom Bishop, P.E. Especialista Sénior de Soporte Técnico de EASA
Cuando el número de bobinas por grupo es el mismo a lo largo de un devanado trifásico excéntrico (imbricado), la secuencia de agrupación es simplemente ese número de bobinas repetido tres veces multiplicado por el número de polos (ya que es trifásico). Por ejemplo, un devanado de 4 polos y 48 ranuras tiene 12 grupos de 4 bobinas.
La fórmula utilizada para determinar el número promedio de bobinas por grupo es: Bobinas por grupo = Ranuras divididas por grupos. Ya que no recomendamos el uso de bobinas a ranura llena en bobinados imbricados, el número de bobinas es igual al número de ranuras. El número de grupos en un devanado de polos alternos es igual al número de fases multiplicado por el número de polos. En muchos casos, existen devanados que tienen bobinas por grupo desiguales, como un bobinado de 8 polos de 36 ranuras, que tiene 24 grupos con un promedio de 1,5 (36/24) bobinas por grupo.
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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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