CAD CAM EDM DRO - Yahoo Group Archive

Re: capacitors in parallel

on 2003-07-21 10:01:18 UTC
--- In CAD_CAM_EDM_DRO@yahoogroups.com, JanRwl@A... wrote:
> In a message dated 7/21/2003 10:44:36 AM Central Standard Time,
> davemucha@j... writes:
>
> > 5 caps, 20,000uF at 20 volts each. wired in parallel.
> >
> > Am I looking for trouble ? or should I go for a single 20kuF at
100
> > volts although it is much larger?
> >
>
> Dave! This would result in 100,000 uF at 20 volts! If you
wanted a 100
> volt "WVDC" rating, you would have to string these in SERIES, with
> "voltage-distribution resistors" across EACH capacitor, and you
would then have only 4000
> uF capacitance!
>
> It is "inefficient" so far as TOTAL SIZE goes, to wire "smaller"
capacitors
> together in any series/parallel combination(s). If you want
100,000 uF @ 100
> VDC, sorry, but you gotta pull out the wallet and BUY one!
>
> Jan Rowland
>
>
> [Non-text portions of this message have been removed]


arrrrr.... it seems to use the smaller units, I would need to have a
bunch in parallel and then put groups in series.... somehow
this 'downsizing' is just making things bigger !

Maybe the caps has some unknown elements in them like governmen-
tonium !

Dave
(opening wallet)

Discussion Thread

turbulatordude 2003-07-21 08:42:40 UTC capacitors in parallel Matt Shaver 2003-07-21 08:50:36 UTC Re: [CAD_CAM_EDM_DRO] capacitors in parallel JanRwl@A... 2003-07-21 08:51:12 UTC Re: [CAD_CAM_EDM_DRO] capacitors in parallel turbulatordude 2003-07-21 10:01:18 UTC Re: capacitors in parallel Alan Marconett KM6VV 2003-07-21 10:20:23 UTC Re: [CAD_CAM_EDM_DRO] capacitors in parallel aerowright 2003-07-22 08:25:28 UTC Re: capacitors in parallel ben_englund 2003-07-28 17:56:41 UTC Re: capacitors in parallel Tim Goldstein 2003-07-28 20:29:37 UTC RE: [CAD_CAM_EDM_DRO] Re: capacitors in parallel jeffreydouglasgough 2003-07-29 14:55:19 UTC Re: capacitors in parallel