Reply by Carloz

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Posted on 3ph 5hp Powermatic 66

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1147 posts in 1046 days

#1 posted 06-15-2017 01:06 AM

Instead of guesswork I would suggest to do a little research. Running 3 windings (i deliberately did not say phases) with capacitors on a single phase is a reliable and often used mode. With the right capacitor the 2 auxiliary windings shift phase 90 degrees and becomes a single phase motor not worse and not better than a motor with 2 windings.
Internally some single phase motors especially older ones are actually 3 phase motors.
I would challenge you to overload or even heat above normal such 5hp motor on a table saw with 10” blade.

Expect to loose 30% or so power.

And run hot from being unbalanced. Push it hard in that configuration and you will toast the windings pretty quick.


- MrUnix

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