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Re: [TCML] WG: JavaTC Calc. Programm Terminology-Trying to Learn... (not HTML)



Hi Fritz,

Comments below:

Fritz W. Egli wrote:
Von: Fritz W. Egli [mailto:fritz@xxxxxxxxxxxxxx]
Gesendet: Mittwoch, 2. Juli 2008 10:20
An: 'Tesla@xxxxxxxxxxxxxx'
Betreff: WG: JavaTC Calc. Programm Terminology-Trying to Learn...


Dear Bart (Bart Anderson -?),  Dear All,
Thank you for your reply.

Please check, if I really „got it“ 100% right:


PERCENT CP CHARGED:
only dependent on:

HV trafo input voltage (possible variac boost ..)
HV trafo sec. voltage (trafo ratio)
HV trafo sec. peak volt. (above x 1,4142)
All above results in  CHARGING VOLTAGE

Good.

BREAKEDOWN VOLTAGE
( JavaTC term: Arc voltage - MG space and electrode geometry dependent)
There is more to the gap that will alter actual values. Barometric pressure, material, heat, etc.. Those are unknown, so the basic space and geometry are used. It will vary slightly from the calculated.

PERCENT CP CHARGED = BREAKDOWN VOLTAGE/CHARGING VOLTAGE
As higher the result, as better performance of TCsystem (more cap energ)?
And as trade off more stress to the caps (their voltage security margin)?
Good compromise-result range for sound design -? (50–75%?  65–90%? …?)

The higher result means the cap can charge faster. There are also transformer characteristics that can alter the actual charging current (like ferro resonance) which is not computed. It gives a rough guideline of the basic charging scheme. I would say 65% to 100% to be the range to shoot for to ensure no problems in the charging area.

Time factor (Time between breaks, or BPS)  what is influence to all above?
Yes, it is. The bps is affected by the gap and the charging voltage which is controlled by the charging current. If you see in Javatc the bps going low, the cap size and the transformer is the cause.

Take care,
Bart
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