Re: NST toastmaster

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "WIZZARD . by way of Terry Fritz <teslalist-at-qwest-dot-net>" <pbobyk-at-hotmail-dot-com>

Running full tilt I draw 9 Amps from the Wall with the two 15KV 30mA NST's 
in Parallel and 150 ufd power factor correction cap.


>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: NST toastmaster
>Date: Fri, 20 Jun 2003 19:10:10 -0600
>Original poster: "jimmy hynes by way of Terry Fritz <teslalist-at-qwest-dot-net>" 
><chunkyboy86-at-yahoo-dot-com>
>
>
>I think that the heating problem has nothing to do with the PFC 
>capacitors. I think it is because the coil now had LTR instead of resonant 
>sized capacitors. Maybe the shunts are saturating if you over-volt the 
>NSTs. Anyway, the problem is solved, now that you have two transformers. 
>Good luck with your coil!
>
>Tesla list <tesla-at-pupman-dot-com> wrote:
>Original poster: "WIZZARD . by way of Terry Fritz "
>
>My power factor correction capacitors are connected in parallel the NST's
>and after the variac.
>My variac is only rated for 6 Amps, so I felt the cap's would help, and
>they have.
>I need to take some measurements.
>
>I tried connecting the PF correction cap's before the variac and found that
>it just wasted hydro when the coil wasn't even producing sparks. ( 7 Amps
>at 120 Volt )
>
>I'm a little leary of trying to get more out of an NST than it was designed
>for.
>Removing the shunts sounded like a great idea until I unpotted a dead NST.
>WHAT A MESS!
>
>Dr. Resonance has the right idea. He is making 16KV 200 mA transformers.
>Economical, affordable ( I hope ) portable, and efficient.
>
>Dwight, Ontario
>Canada
>
> >From: "Tesla list"
> >To: tesla-at-pupman-dot-com
> >Subject: Re: NST toastmaster
> >Date: Fri, 20 Jun 2003 07:31:59 -0600
> >Original poster: "jimmy hynes by way of Terry Fritz "
> >
> >
> >
> >Are you placing the power factor correction caps in series? When they're
> >in parrallel, like they're supposed to be, the NST can't tell the
> >difference (except for a few extra volts because of the drop in the line
> >voltage). I was thinking about putting some PFC capacitors in series, to
> >resonate with the NST and cause shunt saturation, but I wont touch it
> >untill I finish my DRSSTC.
> >Tesla list wrote:
> >Original poster: "WIZZARD . by way of Terry Fritz "
> >
> >I think I found my problem. My Power factor correction cap's were of
> >sufficient value (150ufd) to run two 15KV/30mA NST's. I was down to one NST
> >when I was trying to over! come other problems.
> >I believe the leading power factor was to blame. I now have two NST's and
> >they will run for 5- 10 minutes before showing signs of getting warm.
> >I am excited about my new coil.
> >If I have time I will post some photos. :-)
> >
> >Dwight, Ontario
> >Canada
> >
> >
> > >From: "Tesla list"
> > >To: tesla-at-pupman-dot-com
> > >Subject: Re: NST toastmaster
> > >Date: Thu, 19 Jun 2003 18:34:52 -0600
> > >Original poster: "Jonathan Peakall by way of Terry Fritz
> > >"
> > >
> > >Dwight,
> > >
> > >I personally hav! e had good luck with all types of NSTs, even before the
> > >Fritz filter. I have run a 15kV 60mA NST for 20 min solid on a TC, and it
> > >was warm but ok. A few minutes run never seems to heat mine up at all. 
> I am
> > >very careful about my safety gap settings and such.
> > >
> > >Just one data point.
> > >
> > >Jonathan
> > >
> > >www.madlabs.info
> > >
> > >----- Original Message -----
> > >From: "Tesla list"
> > >To:
> > >Sent: Thursday, June 19, 2003 7:09 AM
> > >Subject: NST toastmaster
> > >
> > >
> > > > Original poster: "WIZZARD . by way of Terry Fritz "
> > >
> > > >
> > > > Now that I have damaged a few NST's I am being quite cautious.
> > > > I have seen claims that a NST should last 50 years and other claims of
> > > > seven dead before switching to PT or Pig. BTW the Terry filter works
> > >great,
> > > > when it is cons! tructed properly:-)
> > > >
> > > > I can only run my coil for 5 minutes before the outside of the NST
> > becomes
> > > > uncomfortably warm.
> > > > 15Kv/30mA. Is there a recommended duty cycle for using these?
> > > >
> > > > ! Dwight, Ontario
> > > > Canada
> > > >
> > > >
> >
> >
> >
> >Jimmy
>
>
>
>Jimmy
>