A phase to phase fault (betvieen phases b and ) has occurred at the Y side of 100 MVA 132/33 kV AY1- grounded transformer (The transformer is supplied from a generator at the A side). The magnitude of the fault current in the 8 phase is 300 A. consider that the transformer is not loaded (Consider that there are only 150/5 and 600/5 current transformers). The current at phase B of the delta side of the transformer (the current with green circle around it equals to: (A

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Power System Protection
A phase to phase fault (between phases band c) has occurred at the Y side of 100 MVA
132/33 kV AY1- grounded transformer (The transformer is supplied from a generator at the A
side). The magnitude of the fault current in the B phase is 300 A consider that the transformer
is not loaded. (Consider that there are only 150/5 and 600/5 current transformers). The current
at phase B of the delta side of the transformer (the current with green circle around it) equals
to: (A
COO00
00002
O 866
O S1.17
O 49.49
O s254
O 19.56
O 34.66
O 413.76
O none of the above
A
Transcribed Image Text:A phase to phase fault (between phases band c) has occurred at the Y side of 100 MVA 132/33 kV AY1- grounded transformer (The transformer is supplied from a generator at the A side). The magnitude of the fault current in the B phase is 300 A consider that the transformer is not loaded. (Consider that there are only 150/5 and 600/5 current transformers). The current at phase B of the delta side of the transformer (the current with green circle around it) equals to: (A COO00 00002 O 866 O S1.17 O 49.49 O s254 O 19.56 O 34.66 O 413.76 O none of the above A
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