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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 | |