Re: Saturable Reactors (was Ganging 1256D's)

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Original poster: "John Crighton by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jcrighton-at-sia-dot-net.au>

Hello Marc, Bill, Michael, Bert and the Group,
thanks for the replies to my request for information on
saturable reactors. I now have enough reading material
for the moment. From knowing nothing to now having
a few clues, I will start experimenting.
See you all, Have Fun.
Regards,
John Crighton
Hornsby Heights
Australia

----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, 20 March, 2001 1:06 AM
Subject: Re: Saturable Reactors (was Ganging 1256D's)


> Original poster: "Metlicka Marc by way of Terry Fritz
<twftesla-at-uswest-dot-net>" <mystuffs-at-orwell-dot-net>
>
> john,
> check out:http://www.tpub-dot-com/neets/book8/32m.htm (follow NEXT)
> i was messing around with a small saturable reactor made out of two mot
> cores placed end to end with 30 turns of 4g on each old mot secondary
> opening and the control winding wound around and through the two old
> primary openings. it seemed as it would have worked great if i could
> have ever got the control winding power under, control?
> i never could get it to stay at a steady current.
> i started thinking, after asking a few questions to the list, that the
> core area wasn't large enough. then i started looking at the huge cores
> of large 1000 watt high intensity discharge ballast's, much bigger cores
> to be placed end to end as i did the mot's giving the three legs. even
> the smaller 400 watt HID cores are massive compared to an mot and
> sometimes these are tossed with the light because sometimes it's just
> cheaper to buy a new light then to change a ballast.
> http://www.hilltech-dot-com/ballst.html
> shows some very interesting saturable designs for ballast's with even
> one that uses a resonant tank circuit to keep the lamp winding in a
> controlled magnetic saturation. i gave this a little thought as a self
> controlling saturable reactor where the currents could be changed by
> tapping in or out of the capacitors.
> http://www.neeltran-dot-com/saturabl.htm
> has some massive commercial sat. reactors and some nice literature on
> request.
> marc m.
>
>
>