[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Dimmer as a Variac.



Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

>SCR/TRIAC dimmer is very different with an inductive load, which your TC
> >primary circuit will probably be at the frequencies which commutate the
> >SCR.  Hope I'm wrong.
> >
> >Ed
> >
> 
> You bet!  Running that little TO-220 thing into a highly reactive load (but
> my coils are PFC corrected) with "strange things" being reflected backwards
> from the spark gaps and all will be a "challenge" for the dimmer!! :-))
> There is also the radiated and conducted in noise and such that may affect
> their operation.  However, given the commodity pricing of the things, there
> is plenty of room for added circuits if that will allow them to work.
> Right now I am just exploring the possibility without any great confidence
> that they can be made to work well.  However, if they could be made to
> work, it would be cool!
> 
> Cheers,
> 
>         Terry

	Will be interested in the results.  As I said, I hope it works but
don't have very high expectations.

Ed