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Post by Deleted on Jan 21, 2013 22:46:12 GMT
I have a transformer with double primaries and secondaries I'm trying to make sense of. Pictured below, all I want is the 21v feed to go to rectification. Which leads to get this?
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Post by themystical on Jan 22, 2013 0:10:59 GMT
Is your voltage closer to 220V or 240V? Assuming it is around 235V, I would suggest that on the primary side you wire it as 240V which means incoming live on BLK and neutral on WHT (connect ORG to GRY and BRN to BLU) Your secondary at 21V is then YEL and RED. I hope somebody else on this forum will check this and advise you before you get going and energise
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Post by Deleted on Jan 22, 2013 0:34:31 GMT
Is your voltage closer to 220V or 240V? Assuming it is around 235V, I would suggest that on the primary side you wire it as 240V which means incoming live on BLK and neutral on WHT (connect ORG to GRY and BRN to BLU) Your secondary at 21V is then YEL and RED. I hope somebody else on this forum will check this and advise you before you get going and energise That is how I read it too, Just try hooking them up this way and see if you see around 21V AC on the secondary winding still. If your mains voltage is 230V or less, forget the other 21V winding in series on the primary side and connect the mains to black and brown. Regards Alex P.S. Make doubly sure that your DMM is on the right scale, and using the correct sockets when you measure the mains voltage on a mains socket !!!
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Post by Deleted on Jan 22, 2013 13:49:33 GMT
Cheers guys, will give that a whirl.
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