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Trapezoidal Shaped Aluminum Conductor,Steel Supported | ||||||||||
ACSS/TW | ||||||||||
APPLICATIONS | ||||||||||
ACSS/TWisdesignedforoverheaddistributionandtransmissionlines. It is available in equal area and equal diameter | ||||||||||
design. The equal area design allows equal ampacity in a smaller diameter conductor when compared with a standard | ||||||||||
ACSS conductor. The equal diameter design allowsmore ampacity in an equal diameter conductor when compared | ||||||||||
with a standard ACSS conductor.ACSS/TW also provides many design opportunities for new line construction: | ||||||||||
i.e., reduced tower cost, decreased sag, increased self- damping properties, increased operating temperature and | ||||||||||
improved corrosion resistance. | ||||||||||
SPECIFICATIONS | ||||||||||
ACSS/TW conductor meets or exceeds the following ASTM specifications: | ||||||||||
B 232 Aluminum Conductors,Concentric-Lay-Stranded,Coated Steel Reinforced(ACSR). | ||||||||||
B 498 Zinc-Coated(Galvanized) Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR). | ||||||||||
B 609 Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes. | ||||||||||
B 857 Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Supported (ACSS/TW). | ||||||||||
CONSTRUCTION | ||||||||||
ACSS/TW is a composite concentric-lay-stranded conductor. Steel strands form the central core of the conductor with | ||||||||||
one or more layers of around 63% average conductivity aluminum 1350-O wire stranded around it. The steel core | ||||||||||
carries most or all of the mechanical load of the conductor due to the fully annealed or soft aluminum wires. | ||||||||||
High strength steel core, aluminized,and aluminum clad steel core is also available. |
ACSS/TW (Area Equal To Standard ACSR Sizes) ASTM B 857 | ||||||||||
Code Name | Size AWG or MCM | Area | Stranding & Wire Dia. | Approx Overall Dia. | Weight | Max. Breaking Load( Standard Strength-Lbs) | ||||
Type No. | AL | Total | No. of Layers of AL | No. of AL Wires | No.x ST Wire Dia. | Total | ||||
inch2 | inch2 | inch | inch | Lbs/1000ft | ||||||
Puffin/ACSS/TW | 795 | 11 | 0.6244 | 0.6919 | 2 | 18 | 7x0.1056 | 0.98 | 974.4 | 17700 |
Condor/ACSS/TW | 795 | 13 | 0.6244 | 0.7053 | 2 | 20 | 7x0.1213 | 0.993 | 1020 | 21700 |
Drake/ACSS/TW | 795 | 16 | 0.6244 | 0.7261 | 2 | 20 | 7x0.1360 | 1.01 | 1091 | 25900 |
Canary/ACSS/TW | 900 | 13 | 0.7069 | 0.7983 | 2 | 20 | 7x0.1291 | 1.055 | 1155 | 24600 |
Phoenix/ACSS/TW | 954 | 5 | 0.7493 | 0.7876 | 3 | 30 | 7x0.0837 | 1.044 | 1028 | 14200 |
Rail/ACSS/TW | 954 | 7 | 0.7493 | 0.8011 | 3 | 32 | 7x0.0971 | 1.061 | 1074 | 16700 |
Cardinal/ACSS/TW | 954 | 13 | 0.7493 | 0.8464 | 2 | 20 | 7x0.1329 | 1.084 | 1224 | 26000 |
Snowbird/ACSS/TW | 1033.5 | 5 | 0.8117 | 0.8534 | 3 | 30 | 7x0.0871 | 1.089 | 1114 | 15400 |
Ortolan/ACSS/TW | 1033.5 | 7 | 0.8117 | 0.8678 | 3 | 32 | 7x0.1010 | 1.102 | 1162 | 18100 |
Curlew/ACSS/TW | 1033.5 | 13 | 0.8117 | 0.9169 | 2 | 20 | 7x0.1383 | 1.129 | 1326 | 28200 |
Avocet/ACSS/TW | 1113 | 5 | 0.8742 | 0.9191 | 3 | 30 | 7x0.0904 | 1.129 | 1199 | 16300 |
ACSS-TW ASTM B609