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Specialist Materials for Industry and Science

MIDEL transformer oil used in France’s first subsea tidal power plant

MIDEL transformer oil used in France’s first subsea tidal power plant

08/06/2015

France’s first subsea tidal power plant built by GE Power Conversion for Electricité de France (EDF) near Paimpol-Brehat, Brittany, will be completed at the end of 2015.

The plant consists of two huge turbines generating electricity, and a subsea converter ("the yellow submarine"). The generated current will flow into the converter through the enclosure filled with special transformer oil produced by Midel, the custom-designed ester-based fluid to protect the environment in case of a leak, reports Manufacturing.net.

When completed, the tidal plant sitting 35 metres below the sea level and 16 kilometres off the coast, will generate 1 MW of renewable power and feed it through a 16-kilometre-long underwater cable to the local grid.

Additional information on Midel dielectric transformer fluids can be accessed here: Midel documents. Alternatively contact M&I online for assistance.

MIDEL in subsea application

Image by GE Marine

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