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ANSI/EASA AR100-2020 cover

ANSI/EASA Standard AR100-2020
ANSI/EASA AR100-2020: Recommended Practice for the Repair of Rotating Electrical Apparatus is a must-have guide to the repair of rotating electrical machines. It establishes recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.

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Questions?

For information about ANSI/EASA AR100 or questions about the work on this standard, contact:

Mike Howell, PE
EASA Technical Support Specialist
+1 314 993 2220
mhowell@easa.com

ANSI Accredited Standards Developer Information

Characteristics and Test Properties of Greases and Oils

  • June 2023
  • Number of views: 3330
  • Article rating: No rating

Tom Bishop, PE
EASA Senior Technical Support Specialist

Lubrication is needed to reduce friction between the rolling elements and stationary parts of a bearing. By reducing bearing friction, lubricants also help prevent undue temperature rise and dissipate some of the heat that is generated. This article describes some of the key characteristics and properties of lubricating greases and oils.

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EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 8: Bearings
  • Section 9: Lubrication

Related Reference and Training Materials

Principles of Medium & Large AC Motors (NEMA Standards)
  • Section 10: Bearings & Lubrication

Principles of Medium & Large AC Motors (IEC Standards)
  • Section 10: Bearings & Lubrication

Root Cause Failure Analysis
  • Section 2: Bearing Failures

Mechanical Repair Fundamentals of Electric Motors
  • Section 5: Bearings

Tags: Bearings Lubrication
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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.

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EASA Good Practice Guide

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

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