Q3- a- Calculate the percentage of winding protected for a three phase/ 20 kV alternator against e impedance earth faults, if the relay operates when the out of balance current in the pilot wi reaches...


Q3-<br>a- Calculate the percentage of winding protected for a three phase/ 20 kV alternator against e<br>impedance earth faults, if the relay operates when the out of balance current in the pilot wi<br>reaches 0.15A. Assume CT ratio = 900/5 A and R earthing = 6 2.<br>%3D<br>%3D<br>

Extracted text: Q3- a- Calculate the percentage of winding protected for a three phase/ 20 kV alternator against e impedance earth faults, if the relay operates when the out of balance current in the pilot wi reaches 0.15A. Assume CT ratio = 900/5 A and R earthing = 6 2. %3D %3D

Jun 10, 2022
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