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An ACSR conductor can in part be denoted by its stranding, for example, an ACSR conductor with 72 aluminium strands with a core of 7 steel strands will be called 72/7 ACSR conductor. [ 3 ] [ 4 ] [ 5 ] Cables generally range from #6 AWG ("6/1" – six outer aluminum conductors and one steel reinforcing conductor) to 2167 kcmil ("72/7 ...
ACCC® Conductor is able to carry approximately twice as much current as a traditional aluminium-conductor steel-reinforced cable (ACSR) cable of the same size and weight, [3] [4] making it popular for retrofitting an existing electric power transmission line without needing to change the existing towers and insulators.
The tube is stranded into the cable with aluminum, aluminum alloy or steel strands, similar to an ACSR cable. The steel strands provide strength, and the aluminum strands provide electrical conductivity. For very large fiber counts, up to 144 fibers in one cable, multiple tubes are used.
A 846-mile (1,361 km) overhead transmission line consisting of two steel-cored ACSR conductors, each 1.6 inches (4.1 cm) in diameter with a conducting cross-sectional area of 1,171 mm 2 (1.815 in 2), carrying 500 kV. The two lines when combined have a capacity of 3.1 gigawatts (in bipolar mode).
A power cable is an electrical cable, an assembly of one or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of electrical power . Power cables may be installed as permanent wiring within buildings, buried in the ground, run overhead, or exposed.
For example, one common wire size used in the NEC has a conductor diameter of 0.5 inches, or 500 mils, and thus a cross-section of = circular mils, written as 250 kcmil or 250 MCM, which is the first size larger than 0000 AWG used within the NEC.
The most common conductor in use for transmission today is aluminum conductor steel reinforced (ACSR). Also seeing much use is all-aluminum-alloy conductor (AAAC). Aluminum is used because it has about half the weight of a comparable resistance copper cable (though larger diameter due to lower specific conductivity), as well as being cheaper. [1]
The conductors consist of bundles of 2 ACSR-conductors with 600 mm2 cross section. The whole line is equipped with a single ground wire. It is a single ACSR-wire with 70 mm2 cross section and fixed on the pinnacles of the pylons. The line leaves Mikhailkovskaya converter station in north-northeast direction.
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