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Anonymous Poster

Transformer Vector Group

04/26/2007 6:29 AM

How to decide the vector group of a transformer in a system. Is it necessary only in case of parallel operation of transformers or while also in single operation of transformers?

please heip.
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hara143
Associate
India - Member - New Member

Join Date: Mar 2007
Location: India Bangalore
Posts: 40
#1

Re: Transformer Vector Group

04/29/2007 10:57 PM

Just check

http://en.wikipedia.org/wiki/Vector_group

Regards,

__________________
 Nothing is impossible, Impossible is nothing
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Anonymous Poster
#2

Re: Transformer Vector Group

07/27/2007 5:01 AM

you pls check http://www.transformerworld.co.uk/vector.htm.
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Anonymous Poster
#3

Re: Transformer Vector Group

12/28/2007 1:16 AM

It is really only important in the case of interconnected systems, where you don't want the two systems to be out of phase. Other issues to consider do include protection relaying, standards, costs etc. There are also a lot of standard preferences (for example Dyn11 is very common on low voltage systems in many countries).

He is yet another link on vector groups for you.

Steven
www.myelectrical.com
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