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Some of the high-end VFDs on the market have the ability to store 2 sets of motor parameters, I don’t know of any that could store 3. The alternative would be to set up a VFD in simple V/Hz control and give up the better performance you get with vector control, then get 3 sets of overload relays on the output of the VFD, one for each motor, all tied back to the VFD control system and the selection system that you use to choose each motor and isolate the others from the VFD.
Thank You. Currently run a RPC, it gets so hot you can't touch it, my lathe 7 1/2 HP 13 X 40, has a "lull?" when starting. Is there a fix for this?
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