DIFFERENTIAL RELAYS
DIFFERENTIAL RELAYS
(OP)
Info about we want to protect of Transformer
S : 100 MVA
HV/LV : 154.000 / 33.600 Volt
%Uk : 12,0
Connection: Ynyn0
Primer Side CT : 400 / 5 Amper
Seconder Side CT : 2000 / 5 Amper
do anybody calculate differantial setting values for that transformer ?
What should i set below values ?
Is1 (pickup) = ? pu
K1 : ? %
Is2 : ? pu
K2 : ? %
THANKS FOR YOUR ATTENTION
BEST WISHES...
S : 100 MVA
HV/LV : 154.000 / 33.600 Volt
%Uk : 12,0
Connection: Ynyn0
Primer Side CT : 400 / 5 Amper
Seconder Side CT : 2000 / 5 Amper
do anybody calculate differantial setting values for that transformer ?
What should i set below values ?
Is1 (pickup) = ? pu
K1 : ? %
Is2 : ? pu
K2 : ? %
THANKS FOR YOUR ATTENTION
BEST WISHES...






RE: DIFFERENTIAL RELAYS
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If we learn from our mistakes I'm getting a great education!
RE: DIFFERENTIAL RELAYS
can you examine attached file,
it has two test about choose slope
i am waiting ur opinion
thanks for now.
RE: DIFFERENTIAL RELAYS
Rafiq Bulsara
http://www.srengineersct.com
RE: DIFFERENTIAL RELAYS
Unfortunately you are in way over your technical capabilities. Get some help!!There are more items to consider thant just the transformer differential settings.I'll bet you did not ask for the transformer technical data sheets or the technical information on the protection relays,the type of gronuding or the detailed information on the transformer such as winding time constant, etc.
Jack