Assume that a single-conductor belted cable has a conductor diameter of 0.681 in., inside diameter of sheath of 1.7025 in., and a length of 8000 ft. The cable is to be operated at 12.47 kV. The dielectric constant is 4.5, and the power factor of the dielectric at a rated frequency and temperature is 0.05. Calculate the following: (a) Capacitance of cable. (b) Charging current. (c) Dielectric loss of cable. (d) Equivalent resistance of insulation.

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Assume that a single-conductor belted cable has a conductor diameter
of 0.681 in., inside diameter of sheath of 1.7025 in., and a length of
8000 ft. The cable is to be operated at 12.47 kV. The dielectric
constant is 4.5, and the power factor of the dielectric at a rated
frequency and temperature is 0.05. Calculate the following:
(a) Capacitance of cable.
(b) Charging current.
(c) Dielectric loss of cable.
(d) Equivalent resistance of insulation.

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