TELE-FONIKA Kable S.A.
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Aluminium alloy cables with high strength, of AL type, based on PN-EN 50182.

They are constructed of twisted wires made of AlMgSi alloys in types of EN AW-6101. The used aluminium alloy consists of approximately 0.55% magnesium and 0.55% silicon. After plastic deformation and further heat treatment, it has excellent mechanical properties with good conductivity. For this reason, alloy cables are an excellent alternative to popular AFL, because they have similar mechanical resistance and current capacity, a significantly lower weight and better corrosion resistance. Compared with aluminium products, AAL cables have better overhang characteristics and ratio of strength to weight.

AAL (AAAC) cables based on PN-EN 50182 MT-18-01-16

The vast majority of the cables installed in existing overhead power lines can operate at temperatures of up to 80°C. This restriction significantly influences the current-carrying capacity, and prevents flexible management of transmission in periods of peak energy usage. Belonging to the low-overhang, high temperature HTLS (high temperature, low sag) family, cables of ACSS type are in many cases the best solution allowing increased energy transmission without loss of mechanical properties of a cable, or too large overhang.

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