Re: 20 joules at 100 bps vs 4 joules at 500 bps

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>

On 7 Aug 2005, at 12:56, Tesla list wrote:

> Original poster: "Dmitry (father dest)" <dest@xxxxxxxxxxx>
>
> Hello Malcolm.
>
>  > Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>
>
>  >  >  >  > Isec (pk) = 61A, with full primary voltage at 38kHz
>  >  >  >  > Total tower height - 38' 8"
>
>  >  > we speak about Isec peak, i.e. energy is already transferred
>  into >  > secondary - gap losses are already in the past.
>
>  >  >  > Of course secondary Q is not infinite either. Then there is
>  the >  >  ground. >  > >  > are you tryin to say, that in quarter of
>  period system lose 90 joules >  > - 37% of its start (at the
>  beginning of the period) energy? and what >  > about full period
>  then? %)
>
>  > I don't know how you calculated how much energy was going to make
>  it > to the secondary on first transfer without knowing what the
>  losses > are.
>
> why are you interested in losses, that _have already took place_ at
> transfer? you have a Isec (pk) value, and this value determines energy
> in secondary, having already took these losses into account. 2E = Ls *
> (Isec (pk))^2 after quarter of period it transforms into 1.9 MV -
> without losses; with them - a little bit less, but not 1.5 MV, coz
> this (as it was mentioned above) mean unreal losses.

OK - so your starting point was Is(pk). It wasn't exactly spelt out
in your initial post. My mistake if it was. Done.

Malcolm

> -----
> I have run coils up to 20KW in residential neighborhoods.  I have
> received death threats and have had the police, fire, and department
> of water and power all show up at the same time. Screw 'em all. Keep
> firin'. (c) Mark Barton  29-09-95
>
>
>