Tuesday, February 18, 2025

Tag: AEGIS

5 Common Missteps When Installing AEGIS Rings — and How to...

  This article is guest written by eMotors Direct, your trusted AEGIS Shaft Grounding Ring installer in Canada. AEGIS® Shaft Grounding Rings are essential for protecting motor bearings from electrical...

Preserving HVAC Systems by Safeguarding Against Bearing Damage

  Variable Frequency Drives (VFDs) are essential for modern HVAC systems, but they produce harmful motor shaft voltage, leading to electrical bearing damage. Protecting your motors...

Three Types of Bearing Current: Mitigation

  Part 2:  Damage Mitigation Strategies In the last post, AEGIS discussed the three types of destructive motor bearing current caused by VFDs:  Shaft voltage discharge,...

The Five Most Common Causes of Bearing Failure

  Although we talk in this blog mainly about electrical bearing damage, there are plenty of other sources of damage and failure modes for motor bearings. Although...

Why Should You Care About the Total Cost of Owning an...

  Last month, Aegis discussed Volume 3 of the 2021 MSMA report on potential savings through improved efficiency. Let's expand on how you can apply the findings...

PRO Rings Protect Roller Bearings in Paper Mill

  We have previously written about AEGIS® Shaft Grounding Rings improving reliability in paper mills.  Here is a new case study done by the AEGIS...

VFD Switching Frequency & Bearing Current

  At almost every Q&A session, the question comes up: "Does VFD switching frequency affect the risk of electrical bearing damage?"  This is a good...

How Can Insulated Bearings Get Electrical Damage?

  A couple of months ago, we published a Q&A post including an account of electrically damaged insulated bearings.  We got a few questions about...

High Proof Shaft Grounding: AEGIS Rings in an Ethanol Plant

  This blogpost is adapted from a story published at ChemicalProcessing.com In early 2017, at Red Trail Energy’s ethanol plant in North Dakota, several large motors’ ball bearings were...

Electrical Bearing Protection Q&A Part 10

  Q1.  How do I implement a plantwide program to adopt AEGIS shaft grounding on all of our VFD-fed motors? A1.  We run into that every...