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Anonymous Poster

RVT

11/10/2010 10:15 AM

An RVT Residual Voltage Transformer is used to find neutral displacement in 3phase supply.Here 11KV/190V (STAR/OPEN DELTA) transformer is used but dont you think open delta voltage is zero if all phase are balanced.What does 190volt mention here?
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electricalexpert65
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Join Date: Oct 2009
Posts: 2061
Good Answers: 169
#1

Re: RVT

11/10/2010 7:36 PM

It is the secondary voltage expected from the RVT when there is an earthfault in the system.
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Anonymous Poster
#2
In reply to #1

Re: RVT

11/10/2010 8:06 PM

So simple right.I was just checking the other ie. Open delta voltage is zero or not. Thanks.
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