Engineering, 07.06.2021 19:10 kinziemadison12
A 5 MVA, 6.6 kv Y (star) connected generator has resistance per phase of
0.5 W and synchronous reactance per phase of 2 W. It is protected by a differential
relay which operates when the out of balance current exceeds 30%
of the load current. Determine what proportion of the generator winding is
unprotected if the star point is grounded through a resistor of 6.5 W.
Answers: 2
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A 5 MVA, 6.6 kv Y (star) connected generator has resistance per phase of
0.5 W and synchronous reac...
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