The AEGIS® Shaft Grounding Ring Motor Repair Handbook is a 36-page, color handbook which describes best practices for protecting motor bearings from electrical damage. The book explains how to diagnose electrical bearing damage caused by variable frequency drives (VFDs), also known as inverters. It also explains best practices for preventing such damage to motors of various sizes and horsepower ratings. Useful for plant maintenance personnel and motor repair shops, the book is available in a PDF format for downloading free of charge at www.est-aegis.com/bearing.
Electro Static Technology, www.est-aegis.com