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darshana
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Join Date: Nov 2011
Posts: 2

Ynd and YD Type Transformers

11/16/2011 10:48 PM

Can anybody help me to understand the different types of situations where Yd type of transformers are used instead of Ynd and doesn't Yd type has the problem of neutral voltage floating? Any why doesn't the voltage floating affect the system.
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Pathfinder Tags: Yd and Ynd type trnsformers
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Anonymous Poster #1
#1

Re: Ynd and YD type transformers,

11/16/2011 10:55 PM

We use those vector group for transmission.Read some standard books for further understanding.
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darshana
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Join Date: Nov 2011
Posts: 2
#2
In reply to #1

Re: Ynd and YD type transformers,

11/16/2011 11:08 PM

Do you have any links for 'standard books'., or can you give me some names of books.
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electricalexpert65
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Join Date: Oct 2009
Posts: 2061
Good Answers: 169
#3
In reply to #2

Re: Ynd and YD type transformers,

11/17/2011 2:38 AM

Buy the bible: "The J & P Transformer Book".
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electricalexpert65
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#4

Re: Ynd and YD type transformers,

11/17/2011 2:41 AM

The only difference between YNd (and not Ynd as written by you) and Yd is that in YNd, the HV neutral is brought out and in Yd the HV neutral is not brought out. It all depends upon whether the HV of this transformer is connected to an earthed source or an unearthed source.
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Mayurdhvajsinh
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Join Date: Sep 2011
Posts: 2
#5

Re: Ynd and YD Type Transformers

11/18/2011 1:56 AM

hi..!

i have some idea about ur doubt.. but i will send you massage later.
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Anonymous Poster (1); darshana (1); electricalexpert65 (2); Mayurdhvajsinh (1)

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