Comparative efficiency of different realization methods of cathodic protection for marine structures

Economic efficiency in using the solar panels as the DC sources for the impressed current cathodic protection of offshore structures was compared with the sacrificial anode cathodic protection. The calculation was based on the example of a sheet pile wall with a surface area of 2000 m2 protected by...

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Bibliographic Details
Published in:E3S web of conferences 2021-01, Vol.225, p.4001
Main Authors: Chernov, Boris Borisovich, Vu, Van Mung, Nugmanov, Anas Maskharovich
Format: Article
Language:English
Subjects:
Anodic protection
Batteries
Cathodic protection
Climate
Cold weather
Energy consumption
Offshore structures
Photovoltaic cells
Power management
Power sources
Sacrificial anodes
Sheet piles
Solar energy
Solar panels
Solar power
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Summary:Economic efficiency in using the solar panels as the DC sources for the impressed current cathodic protection of offshore structures was compared with the sacrificial anode cathodic protection. The calculation was based on the example of a sheet pile wall with a surface area of 2000 m2 protected by various methods of cathodic protection: the impressed current cathodic protection powered by a rectifier device, by solar panels with batteries, by solar panels without batteries and sacrificial anode cathodic protection. The results showed that the cost of impressed current cathodic protection powered by solar panels without batteries is the lowest after 10 years of operation. Cathodic protection powered only by solar panels without batteries is the most beneficial in cold climates when battery life is reduced, and for facilities that are remote from centralized power sources, where the power supplying cost to the protected structure is difficult to estimate due to specific situations.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202122504001