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Re: Tesla Coil RF Transmitter
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- Subject: Re: Tesla Coil RF Transmitter
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- Date: Tue, 13 Sep 2005 11:39:04 -0600
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Original poster: Esondrmn@xxxxxxx
In a message dated 9/12/05 7:08:23 PM Pacific Daylight Time,
Original poster: "Dan" <DUllfig@xxxxxxxxxxxxx>
Your contention that the current needs a two way path is, i believe,
incorrect. That would be true for DC currents, but not AC. When the
current is flowing from the tramsmitter to the receiver, the charge
accumulates in the top capacitance of the receiver. When the current
is flowing back, it flows back out of the reciver's capacitance, into
the transmitters capacitance.
It is analogous to a hydraulic system, where instead of pumping the
oil always in one direction (you need two hoses to do this), you kept
pumping the oil back and forth. When you do that, you don't need a
return hose, because the oil can go into an accumulator at each end.
Think about it.
PS.: in common household AC, the neutral is not really a return path
either, but a terminal to collect all three phases and add them
together. By definition, being neutral, the neutral does not carry
any current (beyond the untility pole, that is).
I can't agree with your statement here. You are correct in that the
three phase distribution lines do not have power flowing in other
than just those three wires. Once this goes through the step down
transformer to your house, you have either 220 volts ac on two wires
where all the power flows just through those two wires (for a 220
volt appliance such as a water heater) or you have 110 volts ac
between either of those 220 volt legs and a neutral line. The full
current for a lamp, toaster, etc. definitely flows in both the hot
lead and the neutral wire for 110 volt circuits.