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Old 01-31-2013, 10:09 AM
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GETRIDAONE GETRIDAONE is offline
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Join Date: Jun 2008
Location: Auburn GA
Posts: 528
Default Experience with Variable Frequency Drive

I am restoring an old (1945) Walker Turner floor drill press. I wanted an original motor to go on it and found a guy that sells parts and restores motors. He has a 3 phase motor that he is working on for me. I want to get a VFD to control the speed and convert from single to 3 phase at the same time. My question is what happens if the VFD you are using is just marginal for the motor amp rating. I know there is some lose in HP rating after conversion. Will the drill just have no torque and slow down ??
The price difference for a 1 HP and 2 HP is going on double. Its like a car, you spent more than it is worth.

 


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