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Re: Base current......Re: Tesla Coil RF Transmitter



Original poster: stork <stork@xxxxxxxxxxxxxxxxxxx>

Gerry,

If, as you suggest, "As one moves up the coil, the displacement current off of each turn increases (due to increased AC voltage) and reduces the conduction current in the wire." where does this displacwment current flow to and from off of each turn?

Perhaps it's best to analyze with instantaneous power. Basically, instantaneous high base current times low base voltage equals low top current times high top voltage. Maybe there is just low top current and no real displacement current in the upper coil windings. Maybe in a non sparking coil what people call "displacement current" actually radiates out into the air dielectric from the top load.

Once a spark forms there is a plasma conduction channel and this "displacment current" suddenly turn back into ordinary conduction current.


Stork

Tesla list wrote:
Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
Top load current is not the same as base conduction current. As one moves up the coil, the displacement current off of each turn increases (due to increased AC voltage) and reduces the conduction current in the wire. By the time the top load is reached, whatever remainding conduction current feeding the topload will leave the topload as displacement current and streamer conduction current.