Local Motor Shop Helps Kansas Water Authority Solve Bearing-Damage Problem
Local Motor Shop Helps Kansas Water Authority Solve Bearing-Damage Problem
2 PagesLocal Motor Shop Helps Kansas Water Authority Solve Bearing-Damage Problem C ASE STUD Y Dan Biby learned it all the hard way. An ordeal concerning several inverter-controlled pump motors with bearing damage made him a believer in the need for shaft grounding. Killer Shaft Voltages Although destructive currents can occur in any motor, they are more common in motors controlled by inverters, also known as variable frequency drives (VFDs). VFDs
