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If a fault from one phase to earth occurs on the far end of


A 3-phase, 10 MVA, 11 kV generator with a solidly earthed neutralpoint supplies a feeder. The relevant impedances of the generator andfeeder in ohms are as under:

                                          Generator     feeder
Positive sequence impedance     j 1.2          j 1.0
Negative sequence impedance   j 0.9           j 1.0
Zero sequence impedance         j 0.4          j 3.0

2449_Generator.jpg

If a fault from one phase to earth occurs on the far end of the feeder, calculate

(1) the magnitude of fault current
2) line to neutral voltage at the generator terminal.

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Electrical Engineering: If a fault from one phase to earth occurs on the far end of
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