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Re: cockcroft-walton question



Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

Depends on your ripple current requirement.
The usual situation is to use equal valued C and PIV, to reduce ripple, you
increase C at the bottom stages of the stack,
so they go, e.g.
N*C, (N-1)*C,...3*C, 2*C, 1*C

In any case, the PIV rating of the rectifiers is the same for all stages..

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, May 16, 2003 7:19 PM
Subject: cockcroft-walton question


 > Original poster: "Peter Lawrence by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <Peter.Lawrence-at-Sun.COM>
 >
 > Is the following a component-efficient way to implement a Cockcroft-Walton
 > voltage multiplier... (all like components have equal ratings, more in
 > series as you go up through the stages) ...?
 >
 >
 >   AC in ---||--+----------+--||--||--||--+------------------+
 >                |          |              |                  |
 >                |          |              |                  |
 >                |          |              |                  v
 >                |          |              _                  -
 >                |          v              ^                  |
 >                |          -              |                  v
 >                _          |              _                  -
 >                ^          v              ^                  |
 >                |          -              |                  v
 >                |          |              _                  -
 >                |          |              ^                  |
 >                |          |              |                  v
 >                |          |              |                  -
 >                |          |              |                  |
 >                |          |              |                  |
 >                +--||--||--+--------------+--||--||--||--||--+-----  HV out
 >                |
 >                |
 >               GND
 >
 >
 > thanks,
 > Pete Lawrence.
 >
 >