Re: transformer theory q

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

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 11/19/01 2:42:01 PM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

> > > > Also using less turns in the primary will increase the number of
>  > >>secondary turns necessary to get one volt from the secondary.
>  > 
>  > > You sure about that?
>  > 
>  >    Its a subtle point.
>  >    The straight turns ratio, as others have noted, is a good
>  >    teaching tool.  However it oversimplifies some aspects of
>  >    real world transformer design.  These aspects, as covered
>  >    by others, become significant when 'power' is involved.
>  > 
>  >    Seems Bassackwards from "the way we was larned in school".
>  > 
>  >    Certain simplifications take place in some training.
>  
>  True. However, I have actually done exactly what was suggested and 
>  the turns ratio still holds good when coupling is close to 1, no 
>  matter what state (of saturation) the core's in. Coupling between the 
>  windings seems to be based solely on the proximity of the windings to 
>  one another. Works that way in TCs too.
>  
>  Regards,
>  malcolm

Dave, Malcolm,

I've seen the same results as Malcolm in my own radical
saturative xfrmer experiments.

Cheers,
John

>