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Cable Charging Current on an 8,000 ft, 13.8 kV Underground Circuit

An 8,000 ft 13.8 kV underground cable with capacitive charging current flowing between conductor and shield, a distributed capacitance model, and the calculation C = 2.16 µF per phase and Ic = 2π × 60 × 2.16 µF × (13,800 ÷ √3) = 6.49 A per phase.

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