Energy harvesting of cathodic protection currents in subsea and marine structures for wireless sensor power and communication

Steven M. Hudson, John T. Taylor and Christopher R. Bowen

Applied Energy, 2022, vol. 316, issue C, No S0306261922005116

Abstract: This paper provides the first report of a means to harvest energy from stray cathodic protection currents in marine structures and thereby continuously power wireless sensors. This method is distinct from previously reported methods which utilise a conventional anode–cathode arrangement in open seawater to create a voltage cell. The underlying theory, modelling, and experimental results are described for implementation on a real application, namely annulus monitoring in a subsea production well. A broad range of new applications is envisaged, including self-powered and lifetime monitoring of safety critical parameters on marine structures, including wind turbines.

Keywords: Energy harvesting; Cathodic protection; Annulus monitoring; Downhole; Offshore; Subsea (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.apenergy.2022.119133

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