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djovce
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Join Date: Mar 2010
Posts: 2

Transformer zero sequence reactance

03/07/2010 3:58 AM

Hello,

How to calculate transformer zero sequence impedance (Ohms per phase) for YNzn and ZNzn vector group? I have transformer design for 50 kVA, 1000/400 V, YNzn 11 vector group.
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hkian
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Join Date: Jan 2010
Posts: 73
Good Answers: 1
#1

Re: Transformer zero sequence reactance

03/09/2010 9:12 AM

your data is lacking

please verify..
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Anonymous Poster
#2
In reply to #1

Re: Transformer zero sequence reactance

03/09/2010 10:08 AM

What verify?
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hkian
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Join Date: Jan 2010
Posts: 73
Good Answers: 1
#3
In reply to #2

Re: Transformer zero sequence reactance

03/09/2010 7:12 PM

There is no percent impedance
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djovce
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Join Date: Mar 2010
Posts: 2
#4
In reply to #3

Re: Transformer zero sequence reactance

03/10/2010 10:12 AM

OK, Uk=4%
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