AEGIS Shaft Grounding Ring Motor Repair Handbook


AEGIS Shaft Grounding Ring Motor Repair Handbook explains how to diagnose electrical bearing damage caused by variable-frequency drives (VFDs), also known as inverters. It goes on to cover in detail best practices for preventing such damage to motors of various sizes and horsepower ratings. Handbook is a must-read for plant maintenance personnel as well as motor repair shops.


The Handbook Contains:

  • Introduction-New Motor Repair Standards for Inverters
  • About VFD Induced Shaft Voltages & Bearing Currents
  • Bearing Frosting & Fluting
  • Cutting and Inspecting a Bearing
  • Shaft Grounding Best Practices
  • AEGIS® Shaft Grounding Technology
  • Testing for and Analyzing Shaft Voltages
  • Probe Tip Installation & Fluke 190 Series ScopeMeter

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