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Anonymous Poster

Zero Sequence Impedance of Three-Phase Transformer

06/11/2009 11:51 PM

I have to design a 3ph transformer where the zero sequence impedance must be less than 1.5%.

This is the first time I am dealing with such a case and I have no idea, where to begin.

Can anybody help me please!

Thanks to all.
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wareagle
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Join Date: Jun 2008
Location: Alabama
Posts: 1604
Good Answers: 63
#1

Re: calculation of zero seguence impedance of a 3Ph transformer

06/12/2009 4:21 PM

Very simple explanation to a complex question

http://www.docstoc.com/docs/2370125/Analysis-of-a-three-limb-core-power-transformer-under-earth-fault-R
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