publication . Article . 2003

Stray current induced corrosion in lightning rod cables of 525 kV power lines towers: a case study

Wojcicki, F. R.; Negrisoli, M. E. M.; Franco, C. V.;
Open Access
  • Published: 17 Dec 2003 Journal: Revista de Metalurgia, volume 39, pages 124-128 (issn: 0034-8570, eissn: 1988-4222, Copyright policy)
  • Publisher: Editorial CSIC
With the growth of several areas in modem society, the necessity to generate and carry electrical energy to big cities has greatly increased. Cables supported by power towers with galvanized steel foundation usually carry energy. As the foundations are underground they may cause high rates of corrosion. These are usually detected by a conventional potential measurement using a Cu/CuSO<sub>4</sub> reference electrode. It is believed that corrosion results from stray currents that flow through the ground to close the loop between neighboring towers. Stray currents originate in the lightning rod cables of the power line towers, induced by the strong ele...
free text keywords: Physical and Theoretical Chemistry, Materials Chemistry, Condensed Matter Physics, Metals and Alloys, Stray voltage, Structural engineering, business.industry, business, Tower, Electric power transmission, Electrical engineering, Materials science, Electric potential energy, Pylon, Lightning rod, Electric field, Mineralogy, Corrosion, Stray current, Lightning rod cables, Power lines, Corrosión, Corriente perdida, Cable de pararrayos, Líneas de energía, Mining engineering. Metallurgy, TN1-997
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