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The weight of cables with corrugated aluminium sheaths (CAS), the initial lead substitution method used in the development of metallic shielding technology, is much lower than that of cables with lead alloy sheaths.
CAS cables, on the other hand, have the drawbacks of a bigger diameter and thus shorter delivery lengths, in addition to a decreased transmission capacity caused by the presence of an air gap under the corrugations.
The flawlessly welded aluminium sheath also ensures top-notch electrical and mechanical functionality, complete fluid tightness, and compliance with even the tightest environmental standards.
The Global Corrugated Aluminum Sheath Cable Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
In order to ensure the proper operation of a cable, the metallic sheath must fulfil crucial electrical and mechanical requirements.
This gives it a significant role in the design of high voltage underground cable networks. Cables with a lead alloy sheath, the original metallic shielding technology, offer the necessary technical assurances in terms of mechanical protection, fluid and moisture tightness, and short circuit current carrying capacity.
The main drawbacks of lead alloy-sheathed cables, however, are weight and, in some cases, fatigue strain. This is especially true when it comes to installation.
