Permanent Magnet AC Motors Need Shaft Grounding
Permanent magnet ac (PMAC) motors are an increasingly popular substitute for induction motors. They...
Posts about Motors on VFD (7):
Shaft Grounding for Pharmaceutical Motors
The pharmaceutical industry uses electric motors for hundreds of purposes. To name only a few, they...
Should You Use a Variable Frequency Drive?
There is a lot of hype about using variable frequency drives (VFDs) to control motors, both pro and...
Another Reason to Use VFDs for Motor Control
Most articles about the benefits of variable frequency drives (VFDs) focus on two things: Energy...
Protecting VFD-Driven Motors In Ski Resorts
Ski resorts use tremendous amounts of energy in their day-to-day operations. All ski resorts must...
Conveyor Motors on Drives Need Bearing Protection
Variable frequency drives, or inverters, are often used to control conveyor motors. In some cases,...
2019 EASA Convention Wrapup
Another summer, another EASA show. This year's convention was at the Mandalay Bay in Las Vegas.
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Testing for Bearing Current
In the June, 2019 issue of Electrical Apparatus Magazine, a reader asked the editors: Is there any...
Explosion Proof Motors Available with AEGIS Shaft Grounding Rings
Not just any off-the-shelf motor can safely run in a potentially explosive atmosphere. Explosion...