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The importance of stator core loss testing before and after burn-off process

  • June 2014
  • Number of views: 14659
  • Article rating:

Steve Skenzick
HPS Electrical Apparatus Sales & Service

By this time we should all know that stator core loss testing is a required part of a quality rewind.  A core loss test before and after burn-off is speci­fied in the EASA Recommended Practice for the Repair of Rotating Electrical Ap­paratus (ANSI/EASA AR100-2010) and The Effect of Repair/Rewinding on Motor Efficiency; EASA/AEMT Rewind Study and Good Practice Guide to Maintain Mo­tor Efficiency. I would like to share some core loss testing experiences we have had over the years in our service center.

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ANSI/EASA AR100

More information on this topic can be found in ANSI/EASA AR100
  • Section 3: Rewinding

EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 2: AC Machines
  • Section 7: Electrical Testing

Related Reference and Training Materials

How To Wind Three-Phase Stators interactive training software
  • Lesson 2: Core Testing

Tags: AR100 Core loss testing
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