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Re: DC Charge inductor.
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- Subject: Re: DC Charge inductor.
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- Date: Mon, 23 May 2005 20:41:15 -0600
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Original poster: "Gerry Reynolds" <gerrytesla@xxxxxxx>
Hi Dave,
A little caution, I think, is in order. The impedance of an inductor that
limits 120Vac to 6.6 amps is not 18 ohms "resistance" but is 18 ohms which
is a combination of its resistance and reactance (most of it is probably
reactance). If you pass a DC current thru the inductor and measure the Vdc
drop, I think you will find the resistance to be much less than 18 ohms.
Gerry R.
Original poster: <mailto:Davetracer@xxxxxxx>Davetracer@xxxxxxx
In a message dated 5/22/2005 10:48:41 P.M. Mountain Daylight Time,
<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx writes:
Original poster: "Jim Mora" <<mailto:jmora@xxxxxxxxxxx>jmora@xxxxxxxxxxx>
Hello all,
I am going to build an 18 to 40 Henry choke (multi-taped) DC charge inductor
<continued discussions>.
Jim, I more or less fumbled my way to an 18 Henry inductor by winding
about 20 pounds of #11 copper wire (with the heavy magnet-wire type of
insulation) on a simple coil mold, then putting a removable core inside,
made by hack sawing apart a transformer. Believe me, after all these years
of "MicroHenry" and such, it got a little weird working in "Henries".
I used E
-----
IR
to calculate R since I knew E and measured I. At 120VAC, 6.6 amps were
struggling through the coil, which works out to 18 ohms "resistance".