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Grupo Cobra

Heightening of towers and live-line repowering of lines

Location:
Spain

Detailed description:

Heightening of towers in 220kV DC line Meson-Santiago/Santiago-Tambre: works were performed keeping both circuits in service.
To this end, work procedures were developed based on methods for live-line working with or within close proximity to electric power lines, allowing minimizing discharge times.

Repowering of the 66kV DC line Candelaria (Canary Islands) - Buenos Aires
Reinforcement and/or replacement of supports: Installation of 33 new tubular poles and 7 lattice towers, and conductor change, while keeping the line in service.