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Webinar Recordings

EASA Technical Manual

  • May 2021
  • Number of views: 4900
FREE for Members of EASA
Book

Revised May 2021!
EASA's most comprehensive technical document is available FREE to EASA members. Download the complete manual or just the sections you're interested in.

Factors to Consider When Testing DC Armatures

  • May 2021
  • Number of views: 1430
Article

There are a lot of factors to take into consider when interpreting the bar-bar test or surge test. This articles reviews those factors.

Factores a Considerar al Probar Armaduras de CC

  • May 2021
  • Number of views: 1492
Article
Hay muchos factores a tener en cuenta al interpretar la prueba de barra-barra o la prueba de sobretensión. Este artículo revisa esos factores.

Opportunities in the Diesel Locomotive Repair Industry

  • March 2021
  • Number of views: 589
Article

As EASA members, we have the technical skills, knowledge and support to do almost anything in the electromechanical repair industry. Rail work is no different.

US Department of Energy Issues Final Rule for Testing Small Electric Motors

  • February 2021
  • Number of views: 2254
Article

The US Department of Energy (DOE) has issued rulemaking on test procedures for small electric motors for more than a decade. The present “final rule,” effective February 3, 2021, is the culmination of those efforts.

DC Machine Data Sheet

  • December 2020
  • Number of views: 2308
Form/Worksheet

EASA's DC Machine Data Sheet provides all the fields necessary on a simple one-page form to accurately record all the details about the machine being repaired.

Working with the No Nameplate Motor

  • November 2020
  • Number of views: 1616
Article

Customers sometimes send in a motor with no nameplate, or an illegible nameplate, having little knowledge of the machine’s ratings. This article will explore the process of evaluating the machine using frame size, winding data and test data to assign reasonable ratings.

Advice: Effects of High or Low Voltage on Motor Performance

  • September 2020
  • Number of views: 2115
Trade press article — RV News

To ensure the reliability of an RV’s electrical devices, especially electric motors, campers must know the service voltage of the hookup their RV is using. Teaching consumers to check that before they plug in the vehicle could save them many headaches.

Working with the No Nameplate Motor

  • September 2020
  • Number of views: 1762
FREE for Members of EASA
Webinar recording

Customers will often send in a motor with no nameplate and having little knowledge of the machine’s ratings. This webinar guides attendees through the process of evaluating the machine using core size, winding data and diagnostic testing to assign reasonable ratings.

Determining Noise Sources in Electric Motors

  • May 2020
  • Number of views: 1570
Article

Determining the source of noise in a motor is often much more challenging than correcting it. However, a methodical approach to investigating the noise can narrow down the possible causes and therefore make it easier to resolve the noise issue. There is a caveat. If the cause of the noise is due to something in the motor design, that is, a manufacturing defect or anomaly, a solution may not be possible or practical.