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Rebarring fabricated copper squirrel cage rotors: Steps, considerations and procedures to follow in the repair process

  • March 2008
  • Number of views: 8348
  • Article rating: 5.0

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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Getting The Most From Your Electric Motors

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Recommended Practice for the Repair of Rotating Electrical Apparatus
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EASA Technical Manual

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