Electrical Engineering > GATE 2026 > Transmission Line Analysis
For the balanced 3-phase transmission line shown, consider the following cases:
Case-1: |V1| = 1.1 p.u., |V2| = 0.9 p.u., Z = 0.75∠0° p.u. and θ12 = θ1 − θ2 = 0°
Case-2: |V1| = 1.1 p.u., |V2| = 0.9 p.u., Z = 0.75∠90° p.u. and θ12 = θ1 − θ2 = 90°
Which of the following statements is/are correct about real power loss and reactive power loss in the line?
Case-1: |V1| = 1.1 p.u., |V2| = 0.9 p.u., Z = 0.75∠0° p.u. and θ12 = θ1 − θ2 = 0°
Case-2: |V1| = 1.1 p.u., |V2| = 0.9 p.u., Z = 0.75∠90° p.u. and θ12 = θ1 − θ2 = 90°

Correct : b,c
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