RE: Soft transformer turn on without a variac

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

Original poster: "Godfrey Loudner" <ggreen-at-gwtc-dot-net> 

Hello Gerry

When you turn on your variac, approximately 86% of its winding becomes
energied, no matter what the output setting. So yes.

Godfrey Loudner

Hi Ed,

Would this be true even if the variac output was set to zero when first
turned on?

Gerry R

  >
  > A large current surge when the variac is connected to the line is quite
  > normal, depending on the phase at which the switch or relay closes.  The
  > bigger the variac the lower its resistance and the bigger the surge.
  >
  > Ed