Re: C-bus Channel won't turn off...

[Robert Kearns <robkearns@xxxxxxxxx>]

Hi Richard,

Thanks for the reply. I was thinking about changing the mains voltage
lights
over to LV, hopefully that will reduce the chance of future problems.

Lucky I had some spare channels so I'm back up and running.

Rob

On 11/15/05, Richard Malcolm-Smith <rich@xxxxxxx> wrote:
>
> Robert Kearns wrote:
>
> > Would LV halogens be less likely to cause damage to the channel
as the
> > transformer has some sort of short circuit protection? Does the
> protection
> > cut off all current on the channel or does it just protect the
internal
> > circuits of the transformer?
>
> Yes, there is less voltage in the globe to cause it to arc over, and
the
> transformer has loose coupling between the windings that limits the
max
> current
> that can flow. This limits the secondary current to about 25A on the
> wirewound
> ones I have looked at. There will be a corresponding increse on the
> primary
> current, but thats not going to be in the range that will cause
problems
> for
> your dimmer for the short length of time that there may be an arc in
the
> bulb.
>
> Mains halogens are a nasty hack for people that want the apperance of
low
> voltage lights, and are prepaired to sacrifice the small filiment size
and
> higher colour temperature that are the benifits of LV halogen.
>
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>


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