Re: Spark lenght.

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi Kamil,
           What type of core did you use? There must be a significant 
amount of leakage inductance or your spark test would have been 
popping fuses.

On 12 Nov 2001, at 11:21, Tesla list wrote:

> Original poster: "Kamil Kompa by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<tcmail-at-poczta.fm>
> 
> Hi!
> 
> I have wound my own transformer(2000VA), and I think it is about 11kV.
> I have measured voltage on primary when secondary was connected to 230V,
> and it was 4.5V.
> I have also measured spark lenght between two nails and it was about 1,5cm.
> I have a table
> with spark lenght depanding on voltage, but only between spherical
> electrodes (i dont have smooth metal spheres).
> Can anyone using a 11kV transformer measure spark lenght between two wires
> (about 1mm diameter)?
> If it will be also about 1,5cm I will be sure that my transformer is really
> 11kV. 

Peak output voltage (with no load of any kind connected) will be 
230V*SQRT(2)*Ns/Np = 16.6kV roughly.

Malcolm