Another idea is to take advantage of fixtures that have more than one
bulb.  A pic and a few SCRs (or replace the pic with some discrete
components) in the fiture.  It turns the bulbs on in series, let's then
warm up for half a second, then switches them to parallel.

-Adam

Roman Black wrote:

>Jinx wrote:
>
>
>>>Hi Jinx,
>>>
>>>
>>Hi dude. We must catch up off-list soon - how about
>>your boy Bayliss then ? Doesn't he make it look easy ?
>>
>>
>
>Ha ha! Yeah we all ride like that here y'know. ;o)
>Will email you soon!
>
>
>
>>>hey I wonder if you could put something
>>>in the switchboard on the lighting circuit, most
>>>houses here have one or two lighting-only circuits.
>>>Maybe a decent inductor after the "lights" fuse
>>>
>>>
>
>
>
>>Do you think that would work ? For example, we've got
>>4 spots in the kitchen. Filaments are obviously very
>>different from LEDs, but I wonder if there's a chance
>>that one bulb might somehow reap the benefit, leaving
>>the others as vulnerable as they were. I just don't know
>>
>>If those 4 spots are already drawing 400W through an
>>inductor, would a 25W or 60W then turned on benefit
>>from the surge-suppressing qualities of the inductor ?
>>
>>I did briefly think about a single resistor in the fuse box
>>but I'm not a registered electrician and don't want to
>>monkey about with house wiring. The power rating of
>>such a resistor had me a little concerned, and I feel more
>>comfortable with each bulb having its own resistor or
>>whatever
>>
>>
>
>Yep it might not be a perfect solution but maybe
>bears thinking about. The worst case scenario is when
>bulb is turned on and AC volts are at peak, which
>is quite a sharp waveform. An inductor would make
>quite a bit of difference in that instance, and
>obviously with power surges etc. I just wonder how
>much difference it would make? Sick of changing
>bulbs here as always.
>
>How about this for a whacko idea, rectify lighting
>circuit to DC in the switchboard, then use a PIC
>controlled circuit to only allow current to rise
>at a set (and gentle) delta, so the one simple device
>would work for all bulbs in the house, giving soft
>turn-on for any and all bulbs. You get additional
>bulb life gains from running on DC too. Obviously
>only good for incandescents and limited applications,
>but may have some commercial value for particular
>installations? :o)
>-Roman
>
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>
>
>
>
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