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440v 3-phase TO 220v single-phase welder

 
 
Reply Wed 7 Feb, 2018 01:28 pm
I work for a welding company and am working on a ship that only has 440v 3-phase power. My welding machine requires 220v single-phase 50A. I assume the only way to do this is with a transformer. If there is a cheaper way I would like to go that route. If not I would like to know what type of transformer to buy and how to wire it up.
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Type: Question • Score: 0 • Views: 213 • Replies: 2
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dalehileman
 
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Reply Wed 7 Feb, 2018 01:48 pm
@TrickyDicky,
Dick there are two diff kinds of 3-phase, one w/ central com and one without. The one with a com should give ya 3 x 220 v . However, 50 amp is quite a load and so you should first check with your Cap

https://www.belden.com/blog/data-centers/3-phase-power-wye-it-matters
dalehileman
 
  -1  
Reply Thu 8 Feb, 2018 01:22 pm
@dalehileman,
So Tric, what'd he say
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