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Re: Dimmers



Original poster: "colin.heath4" <colin.heath4-at-ntlworld-dot-com> 

i jim,
         yes the voltage is always 120volt as the height of the waveform
doesnt change ,its the width. and with the shorter waveform the current is
on for a shorter pulse. letting less power through in total.
cheers
colin

----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, November 25, 2003 12:27 AM
Subject: Re: Dimmers


 > Original poster: "Jim Mitchell" <Wrenchead-at-starband-dot-net>
 >
 > Correct me if im wrong but dont triac dimmers just fire at varying rates
to
 > make somthing appear dimmer since the filament of a light bulb never does
 > extinguish instantly, and that little resistor just changes the firing
rate,
 > right?  So if you put it on an NST which it probably wouldn't like much
 > since its an inductive load, wouldn't you just get pulses out of the NST
at
 > the SAME VOLTAGE AND CURRENT?  As when I measure the output of a triac
 > dimmer, it is always 120v, contrary to popular belife, these don't lower
the
 > line voltage and don't like inductive loads.
 >
 > Regards - Jim Mitchell
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Monday, November 24, 2003 6:00 PM
 > Subject: RE: Dimmers
 >
 >
 >  > Original poster: "Philip Brinkman" <peeceebee-at-mindspring-dot-com>
 >  >
 >  > I've been using an $8.00 lamp dimmer with attached cord on my Allanson
 >  > 15,000 volt 60ma
 >  > transformer for the past two months, It works great, it even has a
built
 > in
 >  > RF filter. It does get slightly warm when running for long periods...
if I
 >  > have to buy a new one in a year or so..so what?. It has an attaced 6'
 > cord,
 >  > on off switch, and lets me control the power from a safe distance. Plus
it
 >  > has a plastic case and switches. Just plug and go!
 >  >
 >  >
 >  >  > [Original Message]
 >  >  > From: Tesla list <tesla-at-pupman-dot-com>
 >  >  > To: <tesla-at-pupman-dot-com>
 >  >  > Date: 11/23/2003 7:48:38 PM
 >  >  > Subject: Dimmers
 >  >  >
 >  >  > Original poster: davep <davep-at-quik-dot-com>
 >  >  >
 >  >  >
 >  >  > >I was about to reply with "No, a dimmer just won't work with an
NST".
 >  >  > >This question has been asked often on this List and that's the
usual
 >  >  > >response.
 >  >  >
 >  >  >          ...and its mostly right.
 >  >  >
 >  >  > >  But since I happened to have a dimmer and had never
 >  >  > >personally tried it, I thought I would.
 >  >  >
 >  >  > >I was surprised to find that it did work - mostly.
 >  >  >
 >  >  >          ...and for how long.
 >  >  >          May things will work for briefish periods of time that will
 >  >  >          work a lot less well for extended periods.
 >  >  >
 >  >  >          and each design of dimmers varies...
 >  >  >
 >  >  >          best
 >  >  >          dwp
 >  >  >
 >  >  >
 >  >
 >  >
 >  >
 >
 >
 >