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Q1. Are there any widely accepted ways to quantify the degree of electrical damage a bearing has...

Updated April 2024

We have previously written about AEGIS® Shaft Grounding Rings improving...

Q1.  How you install grounding in concrete?  I have a pump being retrofit with a new VFD.

A couple of months ago, we published a Q&A post including an account of electrically damaged...

When an electric motor bearing fails prematurely, you should try to determine why it failed. If you...

As the problem of VFD-caused electrical bearing damage becomes better known, more electric motor...

Enhancing System Reliability through Vibration Technology, by James Sylvester, is a new manual of...

The use of variable frequency drives (VFDs) to control AC motors has increased dramatically in...

ABB's new Variant Code for IEC Low Voltage Motors (VC588) uses AEGIS^® Shaft Grounding Rings...