K factor Transformers

[rukmal]

I need to source some information about K factor transformers & can some one help me in finding the info . regarding

* What is the basic principle of K factor transformers

* Winding techniques used in k factor transformers
* Core arrangements

Is there a way to get some research publications regarding K factor transformers ?

Rukmal

 

[jbartos]

Suggestion: Some manufacturers of K-rated transformers have very good literature, e.g.

http://www.olsun.com/kt1.html

http://www.electricalpowertransformer.com/acme-k-rated.html

http://www.lv-dcsi.com/K-Rating.htm

etc. for more info

 

[busbar]

IEEE/IAS Transactions subject search...

ANSI/IEEE C57.110

http://standards.ieee.org/reading/ieee/std_public/description/dtransformers/C57.110-1986_desc.html

http://www.google.com/search?hl=en&...ated+transformers+standard&btnG=Google+Search

 

[SphincterBoy]

Are there any manufacturers in the U.S. who make K-rated
transformers?

I spec'd a K-rated 2500 KVA padmounted unit seven years ago,
and received two bids.

Three years later, I again spec'd out a K-rated 2500 KVA padmounted transformer, and received NO bids.

What is the deal with K-ratings?