Re: Soft transformer turn on without a variac

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

Original poster: "Robert Jones" <alwynj48-at-earthlink-dot-net> 

 >
 > Yes.  Only depends on applying voltage to the "primary" winding, in
 > this case the entire winding.  My AC Machinery textbook is at work, but
 > this was a standard transient problem we had to work in school.  As I
 > remember it (it's almost 60 years since I've thought about it) the
 > applied voltage can be considered as the sum of a DC component equal to
 > the instantaneous voltage at turnon and the AC voltage.*
 >
 >
 > *Antonio" Any comment?
 >
Antonio, until I saw your post I was beginning think my school was the only
one that had covered this subject. In my case just 36 years ago.

Bob