Power Systems Multiple Choice Questions on “Symmetrical Component Transformation – 1”.
1. The maximum power delivered to the load for short transmission line is at
A. β=α
B. β>α
C. β=δ
D. β>δ
Answer: C
Clarification: Maximum power occurs for β=δ.
2. For a given power system, its zero and maximum regulation will occur at the impedance angle of
A. 45
B. 90
C. 0
D. 60
Answer: A
Clarification: At θ=45°, ZVR and maximum VR coincide.
3. The charging currents due to shunt admittance can be neglected for ______ transmission line?
A. short
B. long
C. medium
D. all of the mentioned
Answer: A