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Inverter Duty Motor Rewinding

  • April 2021
  • Number of views: 3463
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This webinar recording reviews the failures associated with 3-phase motors on Variable Frequency Drives (VFDs) and how to rewind to limit future failures.

Partial Discharge: Defining, Detecting and Correcting (Random and Form-Wound)

  • June 2012
  • Number of views: 1082
  • Article rating: No rating
Convention presentation

This paper describes partial discharge, explains how to detect it, and offers repair solutions.

Partial discharge: Understanding how it occurs, detecting its presence and corrective action

  • November 2011
  • Number of views: 716
  • Article rating: No rating
Article

Concerns about partial discharge (PD) used to be limited to repairers and users of machines rated over 7 kV. PD is a common consideration for machines rated 11 kV and higher. This article will describe PD, explain how to detect it, and offer repair solutions. Discussion includes:

  • What is partial discharge?
  • Air as an insulator
  • Can we fix it?
  • Detecting partial discharge
  • Monitoring partial discharge activity
  • Partial discharge in random windings

Rewind Tips for 2300-volt, Random-Wound Motors

  • October 2001
  • Number of views: 1610
  • Article rating: 5.0
Article

When rewinding a motor, the service center is restricted by the original design. Sometimes, we encounter a motor design we wish had never been developed. The random-wound, 2300-volt motor design falls into that category. The great challenge to the service center is in successfully rewinding this design while maintaining profit.

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - coverThis 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:

  • Installation, startup and baseline information
  • Operational monitoring and maintenance
  • Motor and baseline installation data
  • How to read a motor nameplate
  • Motor storage recommendations

LEARN MORE AND DOWNLOAD MÁS INFORMACIÓN Y DESCARGAR BUY PRINTED COPIES

READ MORE ABOUT THE FEATURES AND BENEFITS

EASA/AEMT Rewind Study

EASA Rewind Study cover

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors
Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.

DOWNLOAD THE FULL RESULTS

ANSI/EASA AR100-2020

ANSI/EASA AR100-2015 cover

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.

DOWNLOAD - ENGLISH

DESCARGAR - ESPAÑOL

EASA Technical Manual

EASA Technical Manual cover

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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