Does anybody know the answer to this one. I have a workshop in England but now live in the US, back there I have some very nice machines some 240v single phase and some 415v 3 phase that are being supplied via a stationery phase converter from the single phase supply, now I am no electrician so please keep it simple, is there anyway I can run these machines out here? the largest notor is 4hp on a 3 ph saw. UK single phase power is supplied via 3 wires 1 live(hot) 1 neutral 1 earth @ 50 cycles per sec. If anybody has any thoughts on this I would be very interested to read them.
Christian
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Replies
try your question over in breaktime thats where the sparkies hang out
Christian,
Single phase in USA is delivered 2 ways. 2 hot legs and the neutral @60 cycle. That would be 120 per leg. 120 phase to ground and 240 phase to phase. And 2 wire 120 volt only, that would be 120 phase to ground only.
3 phase is delivered in several different voltages. All with 4 wires. 3 hot legs and 1 neutral. They range in voltages of 120/208 Y, 120/240 Delta, 277/480 Y, 480 straight(also known as a corner ground) and on and on.
I work as a serviceman for a electric utility company. Do this stuff everyday. These are the basic voltages we offer. They are pretty much the basics everywhere in the country.
Your 50 cycle should run, but not sure of the long term issues. 60 on a 50 system runs slower and hotter.
Good luck with your new venture and welcome.
Jimmy
as always I wish you enough
Jimmy thank you for your reply, but I am not sure if you are saying I can make this work or not, I understand about the difference in cycles, I am hoping that the length of time that these machines would be running is pretty short usualy, What is puzzling me though is how I am going to convert US voltage to motors that require a UK voltage supply.
Thanks again ..........Christian
Look in the local yellow pages of your phone book under electric motor repair and call them. They will be your best source. In fact I would call a couple of them as one may be more on top of this topic than the other but it would be more appropriate to pose the question to them than posting on a woodworking forum. An electrical forum would be more suitable.
sounds like good advice thank you
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