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Re: TC potential measurements
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- Subject: Re: TC potential measurements
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Tue, 15 Mar 2005 19:33:37 -0700
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Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>
I'm aware of Bill's 25 megaVolt claim, but if you run Antonio's magnifier
program he would find it might be hitting 2 mV max --- and that might be
stretching things a bit.
> Hi DC,
> At 06:21 PM 3/15/2005, you wrote:
> >Terry's planar antenna and a 200 kV DC power source gave us good
> >which we compared to the spark length measurement method. We use a 7"
> >Van de Graaff sphere for most of our measurements. We used a 14" dia
> >for the large coils with toroids in excess of 4 ft dia.
> >Values were in very close agreement.
> Glad you are enjoying the little plane antenna so much ;-)) For those
> interested, the details are here:
> >Even our Big Bruiser with it's 26 ft. long spark at 26 kVA was only
> >developing 865 kV! We thought it was over a megaVolt but measurements
> >provided the truth.
> At first I worried that models were predicting such low voltages... But
> proved to be correct.... In the case of Bruiser, just round to the
> MV :o))) I think Bill's #13 is rated 25MV ;-))
> The DRSSTC makes streamer formation of low voltage little arcs building
> along a path formed by the previous arcs to form the big arc pretty
> obvious... "Disruptive" or pulsed arcs are now well known to arc at far
> greater distance than the equivalent CW cases...
> Marco now seems to have achieved the real "holy grail" and has a system
> going that can directly measure TC output voltages at high bandwidth
> without loading down the coil oddly!!!
> >Ross Engineering also manufactures NBS standard traceable voltmeters
> >accurate from DC to 1 MHZ and potentials up to 1 million Volts. Not
> >but very accurate.
> I "think" they are messed up by being near very high voltage AC
> fields... The measurement active columns are not shielded to the extent
> need to be immune from high dV/dL near them... But Marco an Paul seems to
> have things figured out (or they will real quick now ;-)).
> In a short time, we will have some very accurate data to ponder!!! We
> have OLTCs and DRSSTC that can reproduce sparks to stunning accuracy and
> can be fiddled with quite independently of all those things that used to
> annoy us so much!!
> But now worries. It will still be some time before National has a TC in a
> 16 pin DIP ;-)))
> >Dr. Resonance