The critical maintenance procedure essential for preventing galvanic corrosion in a tidal turbine exposed to seawater is the regular inspection and replacement of sacrificial anodes, along with ensuring the electrical continuity between these anodes and the turbine structure. Galvanic corrosion occurs when two dissimilar metals are immersed in an electrolyte (such as seawater) and are electrically connected. The more active metal (the anode) corrodes preferentially, while the less active metal (the cathode) is protected. Tidal turbines are typically constructed from a variety of metals, inc....
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