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 damag...

A new 36-page, color handbook — the AEGIS Shaft Grounding Ring Motor Repair Handbook — describes best practices for protecting motor bearings from electrical damage.  Available from Electro Static Technology, manufacturer of AEGIS shaft grounding ring...

Whether they drive the fans and pumps of commercial HVAC systems or the conveyors of industrial production lines, motors controlled by variable frequency drives (VFDs) are vulnerable to electrical bearing damage. A savvy specifier will choose new motors th...