Re: Dimmers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Ed Phillips <evp-at-pacbell-dot-net> 

Tesla list wrote:
 >
 > Original poster: dhmccauley-at-spacecatlighting-dot-com
 >

 > Thats not entirely correct either.  The phase of the output of a dimmer
 > switch is identical to the phase of the input.  A dimmer switch merely
 > truncates a portion of the
 > original AC sinewave beginning at the first zero crossing.  And since the
 > TRIAC is a latching device, once the TRIAC is turned on and conducting, it
 > will remain on until
 > the next zero crossing at where this process will repeat.
 >
 > Dan

	That's not entirely correct, FOR A REACTIVE LOAD.  I'm getting curious
about this and intend to run some experiments of my own.

Ed