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Topic Title: 415v/50hz supply onto 480v/60hz kit?
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Created On: 22 September 2016 11:11 AM
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 22 September 2016 11:11 AM
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gadge

Posts: 5
Joined: 30 December 2009

Hi, wonder if anyone could help. I have some kit that is 480v/60hz (USA), will it work ok if I supply it with UK 415V/50hz supply?

Its a package plant with lots of 3ph motors and other electrical kit.

My initial thoughts are that it will work but it will run slower, better to get the kit spec'd for the UK supply?
 22 September 2016 05:39 PM
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mapj1

Posts: 9711
Joined: 22 July 2004

It is not safe to assume it will. Most 3 phase motors will run at 3000/3600 of speed, but low voltage drop out relays may well be activated. Depending on the KVA rating you may be able to use a VFD to generate the 60Hz for you and step it up.
Also be aware that American ideas of where to bond neutral and earth together vary very much from our own.
You would be well advised to seek the makers advice. It may work, if you are lucky, but it is not wise to find the expensive way if it does not, and it may well invalidate any sort of warranty.

-------------------------
regards Mike
 23 September 2016 09:21 AM
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gadge

Posts: 5
Joined: 30 December 2009

Thanks for the reply Mike.
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