Anyone have a schematic? I'm trying to visualize how that would balance voltage without draining the caps at the same time. I've been wanting to do something like this with cheap 2.5v super caps for higher (not hundreds) voltage solar applications. Cheers, Ben On Sun, Aug 16, 2009 at 8:50 AM, Spehro Pefhany wrote: > At 10:19 PM 8/15/2009, you wrote: >>Since I have 200V caps laying around from scrapped AT computer power >>supplies , I thought of stacking 5 of them and balancing the voltage >>with high value resistors and 200V zeners. =A0Is there a better way ? > > You'd need 25 capacitors (5 in parallel =3D 1000uF/200V) and then 5 of > those sets in series to get 200uF/1kV. Resistors are the easiest way. > If you have 5 200V zeners in series you'll get a lot of current flow > if the voltage exceeds 1kV by a bit, whereas the caps have some ability > to handle surges. > > Don't kill or maim (eg. blind) yourself, those voltages and energy storage > amounts (100J) should be taken very, very seriously as they are potential= ly > (so to speak) lethal. > >>Best regards, > > Spehro Pefhany --"it's the network..." =A0 =A0 =A0 =A0 =A0 =A0"The Journe= y is the reward" > speff@interlog.com =A0 =A0 =A0 =A0 =A0 =A0 Info for manufacturers: http:/= /www.trexon.com > Embedded software/hardware/analog =A0Info for designers: =A0http://www.sp= eff.com > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist