Re: Soft transformer turn on without a variac

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

Original poster: davep <davep-at-quik-dot-com> 


>Ok, in light of information from the above links, I retract my suggestion 
>to use a zero crossing switch.
         For turn on, I'd try it.


>It seemed like a good idea at the time (reasoning was

>0 volts = zero amps at start up).

         Exactly true.
         Has to be.
         The load _at_ _start_ _up_ is mostly resistive:
         the resistance of the windings.  The inductance is
         minimal untill the field builds and penetrates the
         core.  That latter takes time.

         best
         dwp