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vinodk
Associate

Join Date: Mar 2008
Posts: 25

Transformer Winding Connection

03/19/2010 6:45 AM

what does N5 stand in following winding connection discription of transformers-

delta/star (N5)

Thanks in advance

Vinod
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msamad
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Join Date: Feb 2009
Location: Houston, USA
Posts: 946
Good Answers: 244
#1

Re: transformer winding connection

03/19/2010 12:03 PM

I think it indicates the vector group Dyn5, which means:

High Voltage winding is Delta connected and Low Voltage winding is Y connected with neutral terminal. The phase angle of the LV winding lags the HV by 5x30 = 150 degrees.

For more detail:

http://cr4.globalspec.com/thread/35957

- MS

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