Article | REF: D3058 V1

HF transformers with N windings

Author: Jean-Pierre KERADEC

Publication date: February 10, 2008

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3. Traditional representations of magnetic coupling

3.1 Perfect transformer

Electrical engineers long ago realized that, to translate the galvanic isolation provided by a passive component, they needed a special component: they introduced the perfect transformer ([26] and [27]).

The voltages entering and leaving this element (figure 5 ) are in a ratio η, identical to that of the outgoing and incoming currents . This ratio, called the "transformation ratio", is very often identified with a ratio of the number of turns, and is real and independent of...

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Traditional representations of magnetic coupling