RE: [TCML] NST Measurements

["Jim Mora" <wavetuner@xxxxxxxxx>]

You could try backfeeding the NST. Apply 240 ON THE HIGH Voltage horns.
15000/240= 62.5 turns ratio so with 240 in the HV horns, the line voltage
should be 240/62.5 = 3.84 volts. A "kill a watt" (don't know if there is a
240/50 version) is a great item. You could set up a Jacobs ladder plug in
the transformer to the "Kill a Watt" and measure the wattage. Otherwise, you
will need to be able to measure 15000*.06MA=900watts or 900/240=3.75 amps at
the line plug.
Jim Mora

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Jeremy
Sent: Sunday, January 18, 2009 10:18 AM
To: TCML
Subject: RE: [TCML] NST Measurements


Ok, wait, so how exactly do you guys propose measuring NST outputs for
dummies? i have  9kV 30mA unit as well as a large unlabelled unit atm, and
the unlabelled one arcs at over half an inch so i'm guessing it's at least
15kV 60mA. I need the measurement on the unlabelled unit. I was thinking of
using a 10V input to the NST, then further stepping down the output by 20x
to be measured by a voltmeter. Is this workable? (all components rated at
240V input)
 
jeremy
Singapore> Date: Sat, 17 Jan 2009 07:44:46 -0800> From: evp@xxxxxxxxxxx> To:
tesla@xxxxxxxxxx> Subject: Re: [TCML] NST Measurements> CC: > > Yes, better
said Ed.> > Sorry to hear about the scale biting the dust on a nice Simpson.
Was > this unloaded just playing around with the transformer with a cap
across > the output? Probably the safe way to do that would be to load >
resistively and scale. The simulations I was messing with showed some >
amazingly high voltages at resonance if there's no other load. The >
transformer would never survive (assuming nothing else died first).> >
Bart"> > Unloaded except for capacitor. This was one of those cases where >
right after it happened I wondered why I was doing it as the problem was >
obvious. Live and learn!> > Ed> >
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