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EASA AR200-2021: Guide For The Repair Of Dry-Type Transformers

  • August 2021
  • Number of views: 109
  • Article rating: No rating

This guide outlines best practices for the repair of dry-type transformers.

A Simple Approach to Duty Ratings of AC Machines

  • August 2021
  • Number of views: 45
  • Article rating: No rating

When we consider putting a machine into service, we must consider the duty rating of the machine. If we do not, there is a good chance that the machine being placed into service will have thermal degradation of the windings. Not every application is created equal.

5 Marketing Tactics When You Need Results in a Time Crunch

  • August 2021
  • Number of views: 45
  • Article rating: No rating

What is the most valuable resource that your business can never make, buy or recruit more of? Time! Here are five tactics that you can implement quickly and easily when you need to move the needle in a short period of time.

Accessorizing Your VFD for Proper Operation and Power Quality

  • July 2021
  • Number of views: 340
  • Article rating: No rating
Webinar recording

This webinar goes through the basics of what accessories may be needed for proper VFD control and power quality add-ons to improve motor driven system reliability.

Tip for Vertical Hollow-Shaft Motor Assembly

  • July 2021
  • Number of views: 547
  • Article rating: No rating

Vertical hollow-shaft motors present some unique reassembly challenges, one of which is setting end play. Here's a tip that applies to assembly of vertical hollow-shaft motors in the 320 to 440 frame drip-proof enclosures with grease lubricated lower guide bearings and oil-lubricated upper thrust bearings.

Sizing Pumps & Pump Motors

  • July 2021
  • Number of views: 534
  • Article rating: No rating

Service centers are often called on to provide replacement pumps or pump motors or to advise on pump retrofit and re-application projects. A good understanding of the parameters that govern pump performance is essential to help customers with these opportunities. The information here relates to rotodynamic pumps (centrifugal and axial flow impellers) and not to positive displacement pumps.

Considerations for Inrush vs. Locked Rotor Amps

  • June 2021
  • Number of views: 2850
  • Article rating: No rating

When an AC motor is initially energized at rated voltage (and frequency), the current drawn is many times rated current until the motor attains full operating speed. Consequences of starting current include short time overheating of stator windings and rotors, undesirable operation of overload protective devices and a sag in the supply voltage.

The Care & Use of Micrometers

  • June 2021
  • Number of views: 471
  • Article rating: 5.0

The importance of precise and accurate measurements is more critical today than ever. Our customers are increasingly demanding of best possible practices and outcomes when having their machinery serviced and repaired. The ideas and information presented here are applicable to other mechanical measuring devices such as inside micrometers, calipers, protractors, levels, depth gauges and such.

Management Pulse Survey Results: Positive Outlook for 2021

  • June 2021
  • Number of views: 382
  • Article rating: No rating

Resiliency is on display with more than 75 percent of respondents asserting that members feel optimistic or very optimistic about 2021.

EASA Technical Manual

  • May 2021
  • Number of views: 4896
  • Article rating: 2.5
FREE for Members of EASA

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.

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.