Reply by ToddTurner

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Posted on Old three phase motors and Variable Frequency Drives (VFD)

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144 posts in 3288 days

#1 posted 04-04-2010 04:26 PM

25 years ago VFD’s were very new. The motors built for that time usually were made for the standard 50-60hz operating range. A good VFD can be infinitely adjusted from 0-120 hz. THose old motors will not take it. Trust me, been there, done that. Im just wondering where you are using a VFD in a woodshop? Im always in for great ideas and i have access to all kinds of drives.

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