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Super Thermal Alloy Conductor Invar Reinforced STACIR Conductor
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Application
One new kind of overhead conductor is the STACIR/AW conductor.By using trapezoidal wire, the conductor's cross sectional area is increased, which has the effect of raising the conductor's conductive capacity.
Applications involving re-conductoring are suitable for STACIR/AW conductors. Without altering the tower, the current conductor can be swapped out to increase the capacity of the transmission line.
Advantages
The INVAR core and outer layer have their own knee points at the installation temperature. Reduce the sag as the temperature rises.
The conductor's mechanical strength is preserved by the thermal expansion coefficient associated with the INVAR core above the knee point, and the constant operating temperature is up to 210°C. This method calls for an experienced installation stage.
It is suitable for ACSR replacement on flat land or with small level differences.
Construction
The outer layers of the Super Thermal Alloy Conductor Invar Reinforced (STACIR) conductor are made of Super Thermal Aluminium (STAL) alloy wires, which have a maximum operating temperature of 210°C (410°F). INVAR wires covered in aluminum make up the inner core. The metal alloy INVAR has 36% nickel in steel.
Packing
Delivery lengths are determined from a consideration of such factors as physical drum dimensions, drum weights, span length, handling equipment or the customer’s request.
Packing Materials
Wooden drum,steel-wooden drum,steel drum.
Specifications
IEC 62004: Super Thermal-resistant aluminium alloy wire for overhead line conductor
IEC 61089: Round wire concentric lay overhead electrical stranded conductors
IEC 1232: Aluminium-clad steel wires for electrical purposes
| 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 | 0.09Ω /mile | 0.07Ω /km | 0.11Ω /mile | 0.13 Ω/km | 0.21Ω /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 | |||
