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Allowing for the flow of power or information without shared electrical nodes

1 vote
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Galvanic isolation

I understand induction, electromagnetic waves, capacitance, optocoupling, saw waves but I don't know why all this is related to galvanic isolation. Why galvanic? … If for example I use 220 V AC isolation transformer, where is the galvanic current, or the galvanic "phenomena"? …
Jesús Álvarez's user avatar