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[EdK]

(12-12-2013, 07:38 AM)stevec Wrote: ...
Okay, so now, what do you think of feeding 110V into the secondary and using 220V or 440V from the primaries?

It's not recommended. Typically it will heat up the transformer. I've seen it done with very low currents but it's not worth the risk.

stevec Wrote:And, if that's not suicidal, what about wiring the secondaries (110V) in series so you could feed 220V in and using the 440V primaries wired in parallel for a 440 volt output.

Not feasible since there's only one secondary coil.

Ed