1.

What is the total charging current per phase for a 33 kV, 50 Hz, 3 phase underground cable of 4 km length using 3 single core cables? Each conductor has a diameter of 2.5 cm and the radial thickness of insulation is 0.5 cm.

A. 15.28 A
B. 11.87 A
C. 13.85 A
D. 8.25 A
Answer» C. 13.85 A


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