Re: [TCML] Voltage - Gap

[Joe Mastroianni <joe@xxxxxxxxxxxxxx>]

Hi Jay
Yes.  That cap was only about 8 or 10 inches under the primary.  Eddy currents are an interesting theory and unfortunately, I never tried another of those caps so I can't offer any experimental results.  But you can see the size of the plates.  So inevitably there would be some interaction, after all.

Though again - when I inevitably looked up the specs for that cap after the fact, I had exceed its max pulse rate by quite a lot...
Joe

On Feb 3, 2012, at 8:40 AM, jhowson4@xxxxxxxxxxx wrote:

> Ah yes, 
> I remember seeing that picture now.    So my orientation was wrong in my other post. But my reasoning still stands.  You cap looks to be under the primary by under 8 inches or about that.  With the large surface area of the plates exposed to the large  magnetic field of the primary coil.   Maybe the eddy currents had an effect on enhanced heating, maybe not.  But its probably something we should worry about when designing our layouts. 
> 
> I think I will take your suggestion on your new choice of capacitor.  (Probably really expensive right?)
> But first I am going to finish digging threw the thermal stuff relating to the mmc capacitors.   If I can get away with fewer mmc caps for short runs. I may take that route instead.   But in the end which ever is cheaper. 
> 
> -Jay 
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