Hi Patrick,
I've done it, by means of your proposed method, on
supplies ranging from 12 to 3000 volts.
I've mostly employed a TL431 for the sensor/relay
driver.
73 & Good afternoon,
Marv WC6W
http://wc6w.50webs.com/
--- Patrick Egloff <pegloff@gmail.com> wrote:
> Hi All,
>
> The purpose of a step-start is (mainly) to let the
> HV caps load smoothly.
>
> The "classical" way to make a step-start is to short
> the resistor in the HV
> transformer primary with a relay switched after a
> delay made with an RC.
> This delay is mostly arbitrary put to 1 or 2 s.
>
> Why not switch this relay with a divider from the HV
> voltage ? With the
> right divider, you ensure that the caps are really
> loaded and not supposed
> to be ?
>
> Just a guess...
>
> 73, Patrick.
>
> --
> Patrick Egloff - TK5EP
> email : pegloff@gmail.com
> Fax : +33 826 698 954
> Web page : http://tk5ep.free.fr
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
____________________________________________________________________________________
Never miss a thing. Make Yahoo your home page.
http://www.yahoo.com/r/hs
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|