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Case Study 5500HP, 13,200v, Synchronous Motor: (Part 6) Stator Redesign and Rewind


large electric motor repair, 5500HP 13,200v motor Stator RewindingBelow is a 2 minute clip of an hour long presentation given by Todd Hatfield during the 2018 RPM Symposium. Part 6 of this 8 part series focuses on the redesign and rewind of the stator for the 5500HP, 13,200v, synchronous motor.  

This video will describe:
  • The new engineered stator winding design and CAD drawing
  • Using a DC welder to heat the coils, allowing them to be more flexible in order to keep them from cracking 
  • Connecting the leads to match the original 5500HP, 13,200v, synchronous motor

 Make sure to read the rest of the series starting with...



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Todd A. Hatfield

HECO – All Systems Go



About the author:

Todd Hatfield is a Senior Electrical Engineer at HECO. He has over 35 years' experience in generator and electric motor repair and engineering. Todd has a BS in Electrical Engineering, and his areas of expertise are: electrical and mechanical motor redesigns and engineering, root cause of failure analysis, and quality electric motor rebuilding.

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