Join Date: Jul 2003
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Re: O/T Electric!!!!!! How to get 220V from 3phase.
not to be a total flaming ass either, this is one of those things that if you don't know, you *might* be better off to run your condiut and pull some wire and get everything ready on both ends and then hire someone to do the hookup. (just cause many people get in over their heads with electricity and end up getting hurt or dead...) But after that, tear open your panel, tear open the motor, study all the connections, and pilfer all the knowledge you can so that next time you know exatcly how to do it! If you don't know what wire to run and such, you can use this formula that will give you full load currnet of your motor.
(bear with me here on making this work in text...)
I(amps)= (hp x 746)/(square root of 3 x E x efficiency x power factor)
So lets say you got a 5hp motor on 220v, efficiency 80% power factor 85%, plug in numbers and you get 14.4 amps.
This is probably WAAAYYYY more than any of you guys wanted to know, but hey, I like math, and math and something jeep related is even cooler!