Re: Spark lenght.

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

Original poster: "Kamil Kompa by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tcmail-at-poczta.fm>

I forgot to say that I'm using 16ohm resitive ballast made of water heating
devices.
What type of ballast would be the best for my transformer?

*********** REPLY SEPARATOR  ***********

On 01-11-12 at 17:19 Tesla list wrote:

>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




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