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Lead Wire Sizing for Three-Phase Machines

  • August 2023
  • Number of views: 4350
Article

EASA recommends using the lead wire specified by the original equipment manufacturer (OEM) whenever possible. If not available, some guidance is provided in section 6 of the EASA Technical Manual and an online calculator is available to determine a minimum recommended size based on temperature rating, expected current, number of leads and type of connection. This article will describe the calculator’s function.

Guía de Buenas Prácticas Para Conservar la Eficiencia del Motor

Basada en los Estudios de Rebobinado de motores de eficiencia premium, energético eficientes, IE2 (antigua EF1) e IE3 realizados en 2019 y en el 2003

  • April 2022
  • Number of views: 6527
Booklet
Dirigida principalmente al personal del centro de servicio, la guía, que ahora es un documento independiente y no forma parte del informe completo del estudio de rebobinado de EASA/AEMT, describe los métodos de reparación de buenas prácticas utilizados para lograr los resultados proporcionados en ambos estudios. Contiene consejos de reparación, terminología relevante del motor e información sobre fuentes de pérdidas en motores de inducción que afectan la eficiencia.

Good Practice Guide to Maintain Motor Efficiency

Based on the 2019 and 2003 Rewind Studies of premium efficiency, energy efficient, IE2 (formerly EF1) and IE3 motors

  • January 2021
  • Number of views: 17792
Booklet

Intended primarily for service center personnel, the guide which is now an independent document and not part of the complete EASA/AEMT rewind study report, outlines the good practice repair methods used to achieve the results given in both studies. It contains repair tips, relevant motor terminology, and information about sources of losses in induction motors that affect efficiency.

Principles of Medium & Large AC Motors, 1st Edition - IEC

  • February 2020
  • Number of views: 53259
Book

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.

Electrical Engineering Pocket Handbook

  • August 2018
  • Number of views: 12911
Handbook

Filled with practical information, this 118-page handbook (3.5" x 6", 9cm x 15cm) makes a great “give-away” item for your customers and potential customers! Buy this great resource as is OR imprint your company logo and information on the cover to turn it into a great marketing piece for your salespeople!

Motor terminal box connection methods and procedures

  • October 2014
  • Number of views: 14611
Article

As with most tasks, there are many ways to terminate motor leads and each one has a following who believe it is the best method. Here we will discuss some of these procedures and outline a few of the advantages and disadvantages of each.

Basic Mechanical Repair Report

  • September 2010
  • Number of views: 4772
Form/Worksheet

Electric motor repair report form to collect basic motor, bearing, shaft, and coupling information.