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For information about ANSI/EASA AR100 or questions about the work on this standard, contact:
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By Tom Bishop, P.E. EASA Technical Support Specialist
Being accustomed to rewinding AC stators, we may not realize that there is an equivalent repair service that can be performed on some rotors…namely, rebarring. Our focus in this article will be the rebarring of fabricated copper squirrel cage rotors. Redesign of rotors is outside the scope of this article.
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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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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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