Olympus-OM
[Top] [All Lists]

Re: [OM] [OT] LED Christmas lights and an incandescent dimmer???

Subject: Re: [OM] [OT] LED Christmas lights and an incandescent dimmer???
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Tue, 16 Dec 2008 16:13:03 +1100



> WayneS <om3ti@xxxxxxxx> wrote:
> 
> Then I don't see why a dimmer should not work. The string probably
> has enough in series to drop 120VAC, and the natural diode
> action means they only use 1/2 of the cycle. the diodes must have
> good reverse voltage breakdown. Peak voltage is 163V. divide by two and
> you get 80 bulbs in series.
> 
> The dimmer effect may be a bit non-linear, but should work.
> 

>From my memory of dimmer operation they work by chopping out variable amounts 
>(in the time domain) of the waveform, so still should work ok with LED lights 
>(resistive load).  Standard ones don't work well with transformers & motors 
>due to the reactive load.

...Wayne

Wayne Harridge

http://lrh.structuregraphs.com
-- 
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz