Gentlemen,
remember that the losses in the transformer winding are:
P=I squared x R
which means as an eample:
1) for R=100 and I=10 the P= 10000 W
2) for R=200 and I=5 the P=200 x 25 = 5000 W .
This means that losses (heat) under 115V are much higher than at 230V .
This is due to the current that is squared ... ... non linear ...
73 Art VE3PND
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