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JuddJones

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Posts: 384
Reply with quote  #1 
I started to hijack another thread to see if anyone had any experience with these, but caught myself at the last minute. I am just curious to see if anyone has used these, and what kind of results they saw.

http://www.coolblue-mhw.com/
jvoitl

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Posts: 28
Reply with quote  #2 
Allen-Bradley used to want toroids installed on the 3 phase outputs of all their VFDs.  Maybe they still do, I haven't worked with them for years.  They definitely help get rid of high frequency noise but whether they prevent bearing damage I don't know.  We were having bearing problems but pretty much got rid of them with lots of grounding and in a few places shaft brushes.
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