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By allowing precise control of motor speed or torque, variable frequency drives (also known as variable speed drives or inverters) can improve process control and can save 30% or more in energy costs.  But VFDs induce voltages on the shafts of the motors they control – voltages that can discharge through bearings, destroying them in as few as 3 months!

This webinar discusses how plant maintenance can channel these harmful currents away from bearings and safely to ground, protecting motor bearings (and those of attached equipment) and allowing motors to last for the full L-10 life of their bearings.

3 Key takeaways you will get from this webinar:

  1. Controlling motors with variable frequency drives (VFDs) — also known as variable speed drives (VSDs) or inverters — provides increased control of motor speed or torque and can save 30% or more in energy costs.
  2. But VFDs can damage motor bearings and the costs of replacing bearings/motors and process downtime can quickly eat up any savings from their use.
  3. By providing an alternate path to ground for damaging shaft currents, plant personnel can protect motors from VFD-induced bearing damage.

Learn more about our Speaker:
Adam Willwerth
Electro Static Technology

Adam Willwerth, Sales and Marketing Manager for  Electro Static Technology, has extensive experience in industrial product development and commercialization.  He is named on 6 patents pertaining to conductive microfiber shaft grounding ring technology and has overseen the launch of 6 product lines dealing with the detection and mitigation of damaging motor shaft currents. He has also presented seminars on bearing current mitigation at professional conferences in the US, Asia, and Europe. Mr. Willwerth holds a Master of Business Administration degree from Southern New Hampshire University and a Bachelor of Science degree in management from the University of Maryland.

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