Re: Transformers, Wattage and some

• To: tesla-at-pupman-dot-com
• Subject: Re: Transformers, Wattage and some
• From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 02 Oct 1998 00:03:38 -0600
• Approved: terryf-at-verinet-dot-com

Hi Reinhard,

> Original Poster: RWB355-at-aol-dot-com 
> 
> Hi All,
> 
> Suppose I build two tesla coils each with identical secondaries. Each
coil has
> the primary/tank circuit optimumly tuned.
> 
> Case 1:) I use a 15kV 50mA NST and the correct reso cap.
> 
> Case 2.) I use a 7.5kV 100mA NST and the correct reso cap
> 
> Would coil 1 and coil 2 produce different spark lengths and/or forms. If so,
> why ? It might be harder to make a (SR)SG for the lower voltage. The closer
> gaps may quench worse than the wider (or more) higher voltage unit.

I would run with option 1. Primary surge impedance and hence Q will 
be higher for a start and I expect output would be better than option 
1. 

Malcolm


> Does anyone see a problem paralleling the following xformers. They are from
> the same manufacturing lot. Of course this will only work if they are
within a
> few volts of each other. I would have to check this. But aside from this,
are
> there any other problems which might creep up on me ?
> 
> 1.) 7.5 kV -at-75mA NST
> 2.) 7.5 kV -at-75mA NST
> 3.) 7.5 kV -at-50mA NST
> 4.) 7.5 kV -at-50mA NST
> 5.) 7.5 kV -at-50mA NST
> 6.) 7.5 kV -at-50mA NST
> ______________________
> Total of 7.5kV-at-350mA
> 
> Thanks,
> Coiler greets from germany,
> Reinhard
> 
> 
> 

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