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.

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

Troubleshooting AC Generators and Alternators

June 2014
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Chuck Yung
EASA Senior Technical Support Specialist

This paper, presented at the 2014 EASA Convention, covers theory of operation, inspection, operation, and troubleshooting tips for AC generators. For the supervisor, field service technician or service center personnel, generators can present unique challenges. Topics covered include:

Theory of operation
Testing tips
Stator winding cautions
How to interpret the exciter rotor connection
In-shop and on-site testing methods
How to test the voltage regulator
How to test a generator without the regulator

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ANSI/EASA AR100

More information on this topic can be found in ANSI/EASA AR100

Section 4: Testing

EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual

Section 2: AC Machines
Section 5: Electronics
Section 7: Electrical Testing

Related Reference and Training Materials

How To Wind Three-Phase Stators interactive training software

Lesson 12: Testing Untreated & Treated Windings

Categories: Alternators/generators, Troubleshooting & failure analysis, Convention presentations, 2014

Tags: Generators

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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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