Q: Asphase, 10 MVA, I KV Y connected "alternator is protected by Merz- Price -circulating current system, the stat Point is earthed a of 1000/5 and the relay is set to operate when ther is overload with 30% Calculate メーヌ・ i) the percentage of each phase of Statof Winding which is protected. If the reactance of the stator winding is 10%. per Phase. 2) The minimum value of carthing resistance to protect 85% of the winding Heglect the -reactance of the stator winding in this case.

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Q: Asphase, 10 MVA, I KV Y connected
"alternator is protected by Merz- Price
-circulating current system, the stat Point is earthed
a
of 1000/5 and the relay is set to operate when
ther is overload with 30%
Calculate
メーヌ・
i) the percentage of each phase of Statof Winding
which is protected. If the reactance of
the stator winding is 10%. per Phase.
2) The minimum value of carthing resistance
to protect 85% of the winding Heglect the
-reactance of the stator winding in this case.
Transcribed Image Text:Q: Asphase, 10 MVA, I KV Y connected "alternator is protected by Merz- Price -circulating current system, the stat Point is earthed a of 1000/5 and the relay is set to operate when ther is overload with 30% Calculate メーヌ・ i) the percentage of each phase of Statof Winding which is protected. If the reactance of the stator winding is 10%. per Phase. 2) The minimum value of carthing resistance to protect 85% of the winding Heglect the -reactance of the stator winding in this case.
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