Re: Capacitor Value and ESR Comparison

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Kevin Ottalini by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ottalini-at-mindspring-dot-com>

Thanks Terry!
    I got a rough web page together and posted it as well as the link to the
zip file at your site
(you should have the posting now).
 
I really appreciate the support!
 
Best,
    Kevin
>
> ----- Original Message ----- 
> From: <mailto:twftesla-at-qwest-dot-net>Terry Fritz 
> To: <mailto:ottalini-at-mindspring-dot-com>Kevin Ottalini 
> Sent: Sunday, May 27, 2001 2:22 PM 
> Subject: Re: Capacitor Value and ESR Comparison
>
> Hi Kevin,
>
> Wow!!  What a great collection of data!!  I have not seen so much info in one
> place on the commercial caps before (I have not even "seen" some of them 
> before).  I posted the zip file to:
>
> <http://hot-streamer-dot-com/temp/caps.zip>http://hot-streamer-dot-com/temp/caps.zip
>
> Looks great to me.  I have used the TDK caps before but never could find the 
> data on them till now.  This is a great source of data.  please let the list 
> know about it.
>
> Cheers,
>
>         Terry
>
>
>
> At 12:07 PM 5/27/2001 -0700, you wrote: 
> > 
> > Terry: 
> >     Here is the complete directory with all the raw data, datasheets and 
> > photos of the caps as tested 
> > as well as the plots.  Everything is pretty well documented, but take a
> look 
> > and see if I missed anything. 
> >  
> > The 4 cleaned up plots are now in "CAPS.PDF". 
> >  
> > The TDK array actually has 24 caps in it (12 in parallel, 2 in series), but
> I 
> > only used 1/2 the array 
> > for the measurements. 
> >  
> > The homebuilt tubecap still needs to be tested on the HP. 
> >  
> > If you want to add this to your html and/or port this to the list, please 
> > feel free.  I unfortunatrely have 
> > to be traveling over the next week or so, so  I won't be able to answer any
> > questions until after I get back. 
> >  
> > Best, 
> >     Kevin 
> >> 
> >> ----- Original Message ----- 
> >> From: <<mailto:twftesla-at-qwest-dot-net>Terry>mailto:twftesla-at-qwest-dot-net>Terry
> Fritz 
> >> To:
> <<mailto:ottalini-at-mindspring-dot-com>Kevin>mailto:ottalini-at-mindspring-dot-com>Kevin
> Ottalini 
> >> Sent: Saturday, May 26, 2001 9:52 PM 
> >> Subject: Re: Capacitor Value and ESR Comparison 
> >> 
> >> Hi Kevin, 
> >> 
> >> Sorry it took so long to get back to you on this.  Been swamped here... 
> >> 
> >> This is super cool stuff!  The charts look fine to me and show dissipation
> >> factors and how frequency affects them.  We are concerned about the
> resonant 
> >> frequency for Tesla coils.  At high frequencies the dissipation goes up
> and 
> >> the 
> >> losses increase and the caps get hotter and hotter. 
> >> 
> >> I can post the files to my site if you wish for all to see. 
> >> 
> >> Cheers, 
> >> 
> >>         Terry 
> >> 
> >> 
> >> 
> >> At 11:39 PM 5/20/2001 -0700, you wrote: 
> >> > 
> >> > Terry: 
> >> >         I finally got the capacitor comparison data plotted that I took 
> >> with 
> >> > the HP 4263B LCR meter at work. 
> >> >  
> >> > I still need to do some cleanup on the charts and move the titles to the
> >> > appropriate lines, but I wanted 
> >> > to see if you had any suggestions about the presentation, etc. that
> would 
> >> > make things clearer. 
> >> >  
> >> > My goal was to plot single caps against arrays of caps with both smaller
> >> TDK 
> >> > Barium Titaniate caps 
> >> > and larger Maxwell and my Chen Mica caps.  I have a large-ish collection
> >> of 
> >> > different caps now and 
> >> > would like to build several ~identical 0.125uFd arrays (20kv minimum) so
> I 
> >> > can do direct one-for-one 
> >> > in-tesla performance tests. 
> >> >  
> >> > The LCR meter only does 120Hz, 1KHz, 10KHz and 100KHz frequency ranges
> so 
> >> the 
> >> > data is loaded for the 
> >> > higher frequency ranges as far as detail.  Now is this the BPS, or the 
> >> > resonant freq that we're looking for 
> >> > here? (I've been  presuming BPS rate). 
> >> >  
> >> > Fun stuff anyway. 
> >> >  
> >> > ko 
> >> >  
> >> > 
> >> > 
> >> > 
> >> > 
> >> 
> >> 
> >> 
> >> 
> > 
> >
>
>
>