Permanent Magnet AC Motors Need Shaft Grounding
Permanent magnet ac (PMAC) motors are an increasingly popular substitute for induction motors. They...
Posts about Shaft Voltage (2):
5 Things you Need to Know Before Repairs Start
Whether a failing electric motor is already in the repair facility or is still at the plant and...
If Your Motor Is On a VFD, Squealing May Be Electrical Fluting Damage
Shaft Voltage from VFDs Damages Bearings - watch the video to see the shaft voltage that causes...
How To: Bearing Protection Handbook Details Best Practices For Motor Protection and Repair
This 56-page technical handbook describes best practices for protecting motor bearings from...
Case Study: Making Motors Last at Time & Life Building in NYC
Testing VFD driven motors for shaft voltage identifies potential bearing damage risk and avoids...
What Is the Effect of PWM Drives on Electric Motor Bearings?
Pulse Width Modulated (PWM) power sources, also known as variable frequency drives (VFD),...
Discovering and Preventing Bearing Current Damage
Electric motors are prone to many sources of damage, some more common and some better known. An...
AEGIS® Rings Ensure Process Uptime by Protecting VFD-Driven Motors from Bearing Damage
Today, VFDs are used to provide precise control of a wide range of processes and process variables...