⚡ 6. The Truth About Shore Power and Electrolytic Corrosion

 

🗣️ The Myth: "Shore power is connected, the breakers haven't tripped, and the 230V system works perfectly. The electrical system is therefore safe."

 

⚙️ The Technical Reality:

Commercial vessels sitting in saltwater connected to shore power act as giant battery terminals. Without a 100% functioning and tested isolation transformer, the vessel's hull is grounded directly to the national power grid. This creates a massive electrolytic circuit where the vessel literally begins to dissolve itself.

 

⚠️ The Hidden Risks:

Stray currents do not care how thick your hull is. Drives, propellers, rudder shafts, and bottom plating can bravely sacrifice tens of kilos of steel per month. This destruction is entirely silent and is often only discovered when the hull is eaten through and the vessel begins taking on water at the dock.

 

🔬 The Evidence Method (NDT & Analysis):

Millivolt testing using a Silver/Silver Chloride reference cell in the water, and high-voltage insulation resistance testing (Megger) of the entire electrical grid.

 

⚖️ The Chairman's Verdict:

I never guess when it comes to electricity. We locate and neutralize stray currents with surgical equipment before your vessel turns into seabed scrap.

 

➡️ READ MORE AT BATJOUREN.COM

 

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