380VAC equipment from China

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Paul R W

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We are about to recieve a machine build in China for demonstrations at a trade show. It is rated at 5KW 380VAC three phase 50 Hz. Are there transformers available that would provide this voltage either stepped up from 240 or stepped down from 480?
 
Paul R W said:
We are about to recieve a machine build in China for demonstrations at a trade show. It is rated at 5KW 380VAC three phase 50 Hz. Are there transformers available that would provide this voltage either stepped up from 240 or stepped down from 480?
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Call Acme, Hevi-Duty or some other transformer manufacturer. They can easily get you a transformer that will make 380V out of 480V or 240V. It may well even be a stock item.

What they cannot do is change the frequency from 60 Hz to 50 Hz. In most cases, it is not going to matter. I would check with the machinery maker to be sure.

If you must have 380V/50hz, you might be able to run it off a VFD. Again, the machinery maker is going to have to help you a little bit with this situation.

Another option might be to replace the motor. Its probably junk anyway, like many Chinese built machines. I am not sure why, but the machines themselves seem to be pretty well built, but often they put a POS motor on them. One would think that a decent machine with a decent motor would sell better than a decent machine with a crap motor.

By the way - I before E, except after C.

<added> the part where I said in most cases it isn't going to matter, may well apply to the voltage as well as the frequency. I realized after I typed it that putting it in with the paragraph about frequency might lead some to think it only referred to the frequency.
 
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