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Auto Transformer Neutral

Discuss Auto Transformer Neutral in the Talk Electrician area at ElectriciansForums.net

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Eikraps

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I'm connecting three phase step down auto transformer. 400V input and 230V output. It's to supply a piece of equipment brought over from America and the load won't be balanced.

My question is, is the star point common for both the line and load side neutral connections? I'm leaning towards yes, being an auto transformer the windings aren't electrically separate but I'm not 100% sure on this one.

Cheers ?[ElectriciansForums.net] Auto Transformer Neutral
 
Last edited by a moderator:
At least it's in the proper phase colours red, white, and blue; not the modern silly colours we were forced to use.
 
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