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Re: MMC Calculator Program



Hi to all,
where can I find calculation programs for Apple Macintosh users?????
    Stefan Richter, Germany

Tesla List wrote:

> Original Poster: Terry Fritz <twftesla-at-uswest-dot-net>
>
> Hi All,
>
>         I wrote up a little program that will do all those nasty MMC
calculations.
>  It is at:
>
> http://www.peakpeak-dot-com/~terryf/tesla/misc/MMCCALC1.ZIP
>
> It is a version 1.0 in QBASIC but it basically does the job.  A sample
> output is:
>
> ---------------------------
> MMC Calculator  Ver. 1.0  2/15/2000  Terry Fritz
> Firing voltage =  12100
> Fo =  145000
> Break rate =  120
> Cap value =  5.6E-08
>
> Strings   Caps/String   Total Value   Temperature   Cost
>   3         7            24.00        11.41          30.45  Some Risk
>   4         9            24.89         7.31          52.20  Safe
>   5        12            23.33         4.56          87.00  Very Safe
>   6        14            24.00         3.63         121.80  Very Safe
>   7        16            24.50         3.02         162.40  Very Safe
>   7        17            23.06         2.79         172.55  Very Safe
>   8        18            24.89         2.60         208.80  Very Safe
>   8        19            23.58         2.44         220.40  Very Safe
> -----------------------
>
> It can be easily modified, copied, stolen, etc. as you please...
>
> It does not do voltage but if you stay under 2000 volts per cap your ok.
>
> It is sort of geared to my Panasonic caps but if you change the heat
> dissipation constant in line 1260, it should basically work for any.  It is
> based of the calculations at:
>
> http://www.peakpeak-dot-com/~terryf/tesla/misc/MMCPower4.html
>
> Most things are worst case but the numbers seem to work fine.  Hopefully
> this will make MMC design much easier especially for the critical
> temperature rise aspect.
>
> Comment suggestions welcome.  I am no computer programmer but the basics of
> how the program works should be easy to see.
>
> Cheers,
>
>         Terry
>
> BTW - Thanks for all the great interest in my latest batch of Panasonic
> caps!  Looks like I won't be stuck with $1400 worth of them for very long
> ;-))  Hope I don't need another thousand...
>
> BBTW - Reinhard, I just drew a straight line for the dissipation function.
> Seemed to be close enough...