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Case Study 5500HP, 13,200v, Synchronous Motor: (Part 2) Evaluating Surplus Motor Options and Initial On-site Application Review


large electric motor repair, 5500HP Synchronous motor-1For part two of the series, Todd Hatfield will be reviewing the dismantled surplus motor and explaining some of the on-site findings for the 5500HP , 13,200v, Synchronous Motor.

In this video segment, you will see:

  • The replacement motor's shorting ring and it's unique placement on the motor
  • Data collected on the replacement motor's stator and rotor
  • Removing covers & sleeve bearings to gain access for measurements of the original motor
  • How the airflow in the pit cooled the motors 
  • How the motor structure was being supported 

Don't forget to start from the beginning of this case study series...

Be sure to watch for the rest of the posts in the series! 



Download How To Get The Righ Electric Motor


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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