Conductor Ratings Typical technical specifications for the bare overhead 3/2.75 Aluminium Clad Steel cable that is intended to be at least met or improved on include: Stranding Nominal Approx Breaking Modulus of Coeff. of DC Resistance Continuous Current Carrying Capacity and Wire Overall Mass of Load Elasticity Linear (Amps) Diameter Diameter of Area of Cable Expansion of Cable Cable Cable Number / mm mm2 kg/km kN GPa x10-6 /oC At 20oC At 75oC Winter Summer Noon mm /km Still Air Air Ω 3 / 2.75 5.9 17.82 118 22.7 159 12.9 4.8 5.75 48 38 Typical technical specifications for the bare overhead Aluminium Conductor, Steel Reinforced (AC SR) cables that are intended to be met or improved on include: Cable Stranding Stranding Nominal Approx Breaking Modulus Coeff. of DC Resistance Continuous Current Carrying and Wire and Wire Overall Mass of Load of Linear Capacity (Amps) Diameter Diameter Diameter Area of Cable Elasticity Expansion (Al) (Steel) of Cable Cable of Cable Number / Number / mm mm2 kg/km kN GPa x10-6 /oC At At Winter Summer Summer mm mm 20oC 75oC Night Noon Noon /km Still Air Still Air 1/m/s Ω 3/4/2.5 3/2.5 4/2.5 7.5 34.4 195 24.4 136 13.9 1.59 2.14 91 61 129 6/1/3.0 6/3.0 1/3.0 9.0 49.5 171 14.9 83 19.3 0.677 0.91 148 98 205
Conductor Ratings Typical technical specifications for the bare overhead 3/2.75 Aluminium Clad Steel cable that is intended to be at least met or improved on include: Stranding and Wire Diameter Nominal Overall Diameter of Cable Area of Cable Approx Mass of Cable Breaking Load Modulus of Elasticity Coeff. of Linear Expansion of Cable DC Resistance Continuous Current Carrying Capacity (Amps) Number / mm mm mm2 kg/km kN GPa x10-6 /oC At 20oC At 75oC Winter Summer Noon Ω /km Still Air Air 3 / 2.75 5.9 17.82 118 22.7 159 12.9 4.8 5.75 48 38 Typical technical specifications for the bare overhead Aluminium Conductor, Steel Reinforced (AC SR) cables that are intended to be met or improved on include: Cable Stranding and Wire Diameter (Al) Stranding and Wire Diameter (Steel) Nominal Overall Diameter of Cable Area of Cable Approx Mass of Cable Breaking Load Modulus of Elasticity Coeff. of Linear Expansion of Cable DC Resistance Continuous Current Carrying Capacity (Amps) Number / mm Number / mm mm mm2 kg/km kN GPa x10-6 /oC At 20oC At 75oC Winter Night Summer Noon Summer Noon Ω /km Still Air Still Air 1/m/s 3/4/2.5 3/2.5 4/2.5 7.5 34.4 195 24.4 136 13.9 1.59 2.14 91 61 129 6/1/3.0 6/3.0 1/3.0 9.0 49.5 171 14.9 83 19.3 0.677 0.91 148 98 205
Covered-Conductor-Performance-Specifications-April-2016.docx