Re: [TCML] very good simulation for peak currents

[DC Cox <resonance@xxxxxxxxxxxx>]

So how do you account for energy being transferred into the sec coil.  This
power, product of voltage x current, goes into the sec.

Dr. Resonance




On Wed, Feb 4, 2009 at 7:51 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:

> No, actually it is very good.
>
> For example, set for Stephen's coil using the Java graph, V=21.2kV,
> R=15mOhms, C=12nF, L=62.5uH. The graph result shows 294A.
>
> Ip = Vp x sqrt(Cp/Lp)  = 21.2kV x sqrt(12nF/62.5uH) = 294A
>
> Javatc shows 294A also (transformer section: output titled Instantaneous
> Current).
>
> Like any program, it's a matter of getting the inputs real.
>
> Also interesting is the cap voltage graph (click the check box).
>
> Regards,
> Bart
>
> DC Cox wrote:
>
>> With the sec missing the estimates will not at all be accurate.  The sec
>> of
>> course absorbs a lot of the energy and prevents high peak
>> currents and potentials from blowing your pri cap.
>>
>> He is using caps that are not designed for high current impulse duty (100%
>> voltage reversals).
>>
>> Also, the sec will reflect energy back into the pri which can cause
>> constructive and destructive interference patterns in the energy flow.
>>
>> Interesting site for the basics but it does not have enough information to
>> apply to a Tesla resonance transformer.
>>
>> Dr. Resonance
>>
>>
>>
>>
>> On Wed, Feb 4, 2009 at 5:49 PM, Stephen Hiscock <stephenhiscock@xxxxxxxxx
>> >wrote:
>>
>>
>>
>>> Hey guys (and girls ;-) )I found a very good site with simulations of the
>>> peak transients etc in a RLC circuit - very easy to use...
>>>
>>> http://www.coilgun.info/mark2/rlcsim.htm
>>>
>>> it shows the peaks and decay time for any Resister Inductor and Capacitor
>>> in a simple parallel resonant circuit.
>>> it ignores any energy absorbed by the secondary of course.. ;-)
>>>
>>> Stephen Hiscock
>>>
>>>
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>>>
>>>
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>>
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