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NOTICE: EASA Technical Support Staff will be attending the EASA Convention June 25-28. Technical inquiries should be submitted using using one of the online support forms or at technicalsupport@easa.com

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Managing Voltage Stress for VFD Applications on IEC Motors

  • June 2022
  • Number of views: 622
  • Article rating: No rating

In today’s global economy, it is quite possible to get electric motors from all over the world. Most electric motors that are 500 hp (373 kW) or less will conform to one of two basic manufacturing standards; NEMA or IEC. The intent of this article is to focus on IEC standards for managing voltage stress in VFD applications as it pertains to the motor’s windings.

Are Referrals the Saving Grace in Today’s Job Market?

  • June 2022
  • Number of views: 569
  • Article rating: 3.0

Read how one EASA member has found hiring success by using employee referrals.

The Big Four Factors Affecting Motor Health

Tips for improving the efficiency and reliability of your motor-driven systems

  • May 2022
  • Number of views: 584
  • Article rating: No rating
Trade press article

Balancing plant maintenance costs and activities with the need to achieve production goals is a daily challenge for most maintenance professionals. Since the motor-driven system is often a critical component in this dynamic, this article looks at some best practices to help it achieve those goals and meet customer demands.

New ANSI/ASA Shaft Alignment Standard Adopted

  • May 2022
  • Number of views: 575
  • Article rating: No rating
Trade press article — Pumps & Systems

The procedure for aligning two rotating machines requires measuring their relative shaft positions and adjusting one or both machines. Until recently, though, how closely the shafts need to be aligned was an open question. That changed with the publication of American National Standards Institute/Acoustical Society of America (ANSI/ASA) standard 2.75-17.

Using EASA Internal Connection Diagrams

  • May 2022
  • Number of views: 1156
  • Article rating: 5.0
FREE for Members of EASA
Webinar recording

EASA Internal Connection Diagrams for Three-Phase Electric Motors is available to members as a free PDF download and contains hundreds of connections, as well as templates for windings up to 30 poles. This webinar recording shows how to access it and provide examples of how to use it.

The Shape of What’s Shaking

Identify and visualize natural frequencies that cause resonance

  • May 2022
  • Number of views: 397
  • Article rating: No rating
Trade press article — Plant Engineering

This webcast will focus on identifying resonance and then move to methods that help visualize the vibratory motion, helping to identify solutions.

Repairing Corrosion and Erosion Damage on Pumps

  • May 2022
  • Number of views: 1511
  • Article rating: No rating

Corrosion and/or erosion damage is inevitable for some pump applications. Pumps received for repair with significant damage may look like a candidate for the junk bin, but with proper repair techniques can often be restored to original performance – or perhaps better than original.

Consistent Peer Interaction Increases Your Membership ROI

  • May 2022
  • Number of views: 821
  • Article rating: No rating

Peer interaction is a sometimes-overlooked benefit that could boost your business and possibly increase your membership return on investment.

Evaluate Noise in Electric Motors

Determining the source can be more difficult than correcting it

  • April 2022
  • Number of views: 341
  • Article rating: No rating
Trade press article — Plant Engineering

Determining the source of noise in a motor is often much more challenging than correcting it. However, a methodical approach to investigating noise can narrow down the possible causes and therefore make resolution easier.

Electric Motor Bearing Lubrication

  • April 2022
  • Number of views: 3153
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This webinar recording reviews electric motor bearing grease and oil lubrication frequency and quantity, as well as procedures.

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



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.


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.



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.