What is the apparent impedance seen by the relay

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Reference no: EM133627694

Question: For the power system as shown, the line impedance is 4 j 3 ohms (primary) and zone 1 is set to cover 85% of the transmission line.

a) At what loading (P jQ) will the zone 1 relay see it as a fault? Assume that the line loading isat 0.8 pf lagging.

b) What is the apparent impedance seen by the relay (secondary ohms

Reference no: EM133627694

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