[Amps] Energy stored in capacitor bank ?

[R.Measures]

On Oct 3, 2005, at 7:54 AM, Frank Goenninger DG1SBG wrote:

> Hi all:
>
> I am finishing a power supply for a moderate amplifier (in terms of
> this reflector).
> As I am dealing with rather large caps I am wondering if am really
> right when
> calculating the stored energy in the bank:
>
> I have 14 caps in series, each having a capacity of 4200 uF. The load
> voltage for
> the bank will be about 3250 V DC (calculated using Duncan Amps' PSU
> Designer software).
>
> Am I right in simply calculation the stored energy as
>
> Cres = 4200 uF / 14 = 300 uF
>
> W = 1/2 * C * U * U = 0,5 * 300 *10^-6 * 3250 V * 3250 V = 1,6 *10^3
> J = 1,6 kJ
>
> ??
>
> This seems a rather large value ....

True, Frank, but 1600J is not that difficult to find a suitable glitch 
R for.  Globar's SP series is what you need.
Kanthal-Globar  order desk  - 716 286 7610
http://www.globar.com/
>
> 73, Frank DG1SBG
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org