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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

How to Set Brush Neutral on a DC Machine

  • March 2023
  • Number of views: 4180
  • Article rating: 3.0
Recording duration: 6 minutes

This video shows how to adjust the brush neutral position of a DC machine to prevent sparking at the brushes at full load. An accurate neutral setting promotes good commutation and efficient machine operation. It also minimizes commutator wear while maximizing brush life. For this video, we’re using the AC method of setting brush neutral.

Related Resources



EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 3: DC Machines

Related Reference and Training Materials

Fundamentals of DC Motors & Operation Tips
  • Section 6: Commutators
  • Section 9: Motor Assembly & Final Testing
  • Section 10: On-Site Troubleshooting

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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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