ORIGINAL MESSAGE:
On Thu, 07 Mar 2013 16:59:40 -0800, Jim wrote:
>
>The equivalent circuit of a transformer is complex -- in addition to the
>leakage inductance, there's resistance in the wire, resistance coupled
>from the core, capacitance between turns, capacitance between windings.
>At power frequencies though, we don't see the inductance or capacitance,
>only the resistance. And if we look into one winding, we see the load
>impedance on the other winding multiplied by the square of turns ratio.
REPLY:
Jim is right. Transformers are deceptively simple as taught in first
semester electronics. In fact, they are among the most complex of all basic
electronic devices. Time spent hitting the transformer books is well spent.
73, Bill W6WRT
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