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I have some equiment that requires 3 phase 220 voltage. The equipment had been running on 3 20amp(I think) breakers at work. I have a 2 phase 220 outlet mounted directly beneath the control panel. It is connected to 2 70amp breakers. Is this something that could easily be rewired to work for 3 phase? I know the obvious, turn off the power before doing anything.

2007-02-08 17:23:43 · 5 answers · asked by TONY B 1 in Home & Garden Maintenance & Repairs

5 answers

No. Absolutely not. It is impossible. Three phase is totally different from what you have in a home. For all practical purposes, it cannot be converted. You also cannot get it added into your home. The power company will not do that. Again, that is the practical answer, not a theoretical one.

I have had miliary equipment that can do some pretty amazing conversions. It is incredibly large, heavy, noisy, inefficient, and expensive. It is totally impractical for home use. For them, these factors are unimportant. They need what they need, no matter what the drawbacks are. I doubt you want to start with a $20,000 generator and then tackle the problems.

Three phase is absolutely, positively, not just three circuits. It is three circuits that are each 120 degress different in phase. What you have now is two circuits that are 180 degrees out of phase. Adding a third circuit can NOT change the fact that the two are 180 degrees. Besides, the third one would be in sync with one of the two that you have. Three phase must be generated as three phase.

2007-02-08 17:26:00 · answer #1 · answered by DSM Handyman 5 · 0 1

Easy to do with a single capacator. Connect the two leads of regular 220 to two leads on the motor of the 3 phase, the third lead take about a 65 MF capacator and connect that to either of the 220 leads. Try the 65MF first, then drop back to the needed capacatance by watching the voltage on the 220 line that you have added the capacator to. Adjust capacatance till you hit near the 220 across all the 3 leads. Basically, that is what those expensive Converters do only they will handle huge loads. You, I assume are doing small loads ie. either a single motor or a control panel based on what you say above. .

2016-05-24 00:06:31 · answer #2 · answered by Anonymous · 0 0

Depending on your amp requirements, a phase converter would be most economical and easiest. Converting a 2 phase motor to single phase is not possible. Rewiring and new motor would be rather costly, and there may be other aspects of your device which may need to be converted as well.

2007-02-09 01:43:34 · answer #3 · answered by chris m 5 · 0 0

Dsm is correct. Sure, there may be a way to do it with converters and such, but it won't be easy or cheap. You do not say what the equipment is. It might be feasible to rewire the equipment to work with what you have. You might have to swap out motors and such. This too, will not be easy or cheap.

2007-02-08 18:33:17 · answer #4 · answered by tootall1121 7 · 0 0

you can get a phase converter but they are not cheep

2007-02-08 17:46:15 · answer #5 · answered by RUSSELLL 6 · 0 0

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