Question Of The Week: VFD Induced Shaft Voltage Feedback Wanted

Posted by Heidi Schwartz

This week’s question comes from the Facilities Management Group group on LinkedIn.

question of the week logo.

I am looking for input from facility managers who have experience using a type motor VFD induced shaft diversion. In years past, I’ve seen various ads claiming to extend the life of motors/bearings by: diverting/absorbing/directing to ground and transient voltage caused by VFD induced shaft voltage.

Literature is everywhere with the newest widget to solve this problem, but is there a consistent reference that can address this industry gremlin?

Steve Harris
Facilities Manager
Seneca Nation of Indians
Buffalo/Niagara, NY

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