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Electric Power Distribution Engineering, 3rd Edition by Turan Gonen

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Table A.8

Characteristics of Copperweld Conductors

Nominal Conductor Size

Number and size of Wires

Outside Diameter (in.)

Area of Conductor Circular Mile

Rated Breaking Load (lb) Strength

Geometric Mean Radius at 60 Cycles and Average Currents (ft)

Approx. Current Carrying Capacitya (amps) at 60 Cycles

ra Resistance (Ω/Conductor/mi) at 25°C (77°F) Small Currents

ra Resistance (Ω/Conductor/mi) at 75°C (157°F) Current Approx. 75% of Capacityb

Xa Inductive Reactance (Ω/Conductor/mi) 1 ft Spacing Average Currents

X'a Capacity Reactance (MΩ · mi/Conductor) 1 ft Spacing

High

Extra High

Weight (Ib/mi)

DC

25 Cycles

50 Cycles

60 Cycles

DC

25 Cycles

50 Cycles

60 Cycles

25 Cycles

50 Cycles

60 Cycles

25 Cycles

50 Cycles

60 Cycles

30% conductivity ...

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