[Amps] Capacitance Amount Formula

[2]

>
>When designing a HV PSU is there a reccomended formula for determing the 
>total amount of capacitance required in the filter..

Depends on  the filter type, mains Hz, 1 or 3 phase, and the rectifier 
config.  There are some estimation formulae on my Web site for 1-phase.

>
>I have not seen much discussion on this subject and now I am about to 
>design and build a 4kV supply @ 500mA and am just interested in what would 
>be a good amount of capacitance to use for this design..
>I have studied many designs that are available but no-one seems to give 
>the required information as to why they used the amount they did in the 
>design..
>
>           Regards  Rick
>
>
>
>
>It is the soldier who salutes the flag,
>serves under the flag 
>and who's coffin is draped by the flag,
>who allows the protester to burn the flag. 
>
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>


-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
www.vcnet.com/measures.  
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