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Super Thermal Alloy Conductor Invar Reinforced (STACIR) conductor has outer layers composed of Super Thermal Aluminium (STAL) alloy wires that can operate up to 210°C (410°F). The inner core is composed of aluminium clad INVAR wires. INVAR is a metal alloy with 36% Ni in steel.
APPLICATION
Super Thermal Alloy Conductor Invar Reinforced (STACIR)
STACIR/AW conductors are suited for re-conductoring applications. The capacity of existing transmission line can be enhanced by simply replacing the existing conductor without any modification to the tower.
BENEFITS
● Can carry 100% more current than that of ACSR of the same size, while maximum sag and maximum working tension remain the same as that of ACSR.
● No modification or reinforcement is required to existing towers for uprating transmission and distribution lines.
PROPERTIES | STACIR (ACSR MOOSE EQUIVALENT) | STACIR ( ACSR ZEBRA EQUIVALENT) | STACIR (ACSR PANTHER EQUIVALENT) | |||
Typical factors | 3.53 mm | 0.1390 in | 3.18 mm | 0.1252 in | 3.00 mm | 0.1181 in |
Reference specifications | IEC 62004 | IEC 62004 | IEC 62004 | |||
Total cross section area | 597.00 mm2 | 0.9254 in2 | 484.50 mm2 | 0.751 in2 | 261.50 mm2 | 0.4054 in2 |
Conductive wire | Al Zr AT3 | Al Zr AT3 | Al Zr AT1 | |||
Core wire | Aluminium clad Invar | Aluminium clad Invar | Aluminium clad Invar | |||
Conductor diameter | 31.77mm | 1.2508 in | 28.62 mm | 1.1268 in | 21.00 mm | 0.8268 in |
Weight | 1993 kg/km | 1339.2 lbs/mile | 1582 kg/km | 1063.1 lbs/mile | 939 kg/km | 631 lbs/mile |
Ultimate tensile strength | 14641 kg | 32277.84 lbs | 11968 kg | 26384.89 lbs | 8436 kg | 18598.17 lbs |
DC resistance at 20°C temperature | 0.06 Ω/km | 0.09 Ω/mile | 0.07 Ω/km | 0.11 Ω/mile | 0.13 Ω/km | 0.21 Ω/mile |
Maximum operating temperature | 210°C | 410°F | 210°C | 410°F | 210°C | 410°F |
Current carrying capacity at maximum operating temperature | 1871 Amp | 1626 Amp | 1040 Amp |
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