Re: Dimmer as a Variac.

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

Hi All,

At 12:57 PM 7/7/2001 -0400, you wrote:
>
>
>
>ed,
>the scr based phase proportioning setup that i have states that it is
>used for resistive AND highly suited for inductive transformer loads. i
>am glad that there is so much interest in these for tc use now, when i
>brought it up a couple years ago i received no replies?
>i have scanned in the pages of the operation and service manual at high
>res. and if terry wishes i could send on to post on his site?
>i am missing the last page witch was the parts list, but a couple high
>resolution pics of the front and back of the boards (witch are
>conductive pen traced and hand soldered) should provide enough for a
>very easy reverse engineering to build these 3.6kva current limiting,
>voltage controlling units. this one offers a soft start feature and
>since vectrol is out of business, i don't think we would be stepping on
>any toes?
>this thing is very simple looking with a good explanation of operation
>in the manual, i'm still looking for the last page that must have came
>unstapled?
>i would much like to get some help in breaking this unit down so that i
>could try to build one that uses the 15kv\400amp scr's that i have. if
>anyone wishes to help me reverse engineer this unit i will give a set of
>the scr's for the labors.
>let me know at mystuffs-at-orwell-dot-net  and terry, let me know if you wish
>to post the pages with schematics?
>marc m.
>

Marc,s data on this controller is at:

Marc has some data on a commercial unit at:

http://hot-streamer-dot-com/temp/vectrol1.JPG
http://hot-streamer-dot-com/temp/vectrol2a.jpg
http://hot-streamer-dot-com/temp/vectrol3a.jpg
http://hot-streamer-dot-com/temp/vectrol4a.jpg

http://hot-streamer-dot-com/temp/DCP00852.JPG
http://hot-streamer-dot-com/temp/DCP00854a.jpg
http://hot-streamer-dot-com/temp/DCP00855a.jpg
http://hot-streamer-dot-com/temp/DCP00856a.jpg
http://hot-streamer-dot-com/temp/DCP00857a.jpg

Cheers,

        Terry