need ur help

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  #1  
Old 08-17-09, 07:56 AM
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need ur help

we make a transformer having E core (open transformer).we use 46 swg (0.06mm) wire of 12000 turns.i want to reduce turns of wire.we transformer for make 220v.i want make a transformer for 110 v and then joint a resistance,and make it 220.
can anyone have idea to reduce my wire upto 6000 turns and then joint resistance to make it 220.
 
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Old 08-17-09, 08:41 PM
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If you mean your winding for 220V is 12000 turns, but you want to be able to run it at 110V,
you wind two 6000 turn windings, and externally wind them in parallel for 110V, and series for 240V.
 
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