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Japan

First Subsea supplies cable connectors for Fukushima floating wind farm

Subsea connector specialist, First Subsea, has supplied cable connectors Phase 2 of the Fukushima Floating Offshore Wind Farm Demonstration project, Offshore Japan.
First Subsea supplies cable connectors for Fukushima floating wind farm

First Subsea have used two subsea connectors to connect 22kV cables to the facility’s floating 66kV power substation, prior to the arrival of a 7 MW wind turbine in Phase 3 and another floating wind turbine in Phase 4 of the Fukushima project.  

Phase 1 saw the connection of a 22kV cable to a 2MW wind turbine and substation, and a third cable connector for a 66kV cable connection to the floating substation. The new 22kV cable connections link the substation to pre-installed subsea cable joints close to the eventual position of the wind turbines in Phases 3 and 4.

The First Subsea cable connector has a self-activating, ball and taper mechanism enabling both diverless and ROVless deployment offshore. The male connectors are guided into receptacles on the wind turbine and substation. Once engaged, it cannot be released until the load has been removed. The connector can be disconnected and recovered for re-use via a simple disengage mechanism. The cable connection enables significant savings in vessel time, and provides greater installation flexibility to cope with changes in weather conditions offshore.

John Shaw, managing director, First Subsea Ltd said that Phase 2 has demonstrated the ease of installation of the cable connectors offshore.

The Fukushima floating pilot wind farm project will lay the foundation for the world’s largest offshore wind development off the coast of the Fukushima Prefecture. The project is sponsored by the Japanese Ministry of Economy, Trade and Industry and is being developed by a consortium consisting of project integrator Marubeni, the University of Tokyo (technical advisor), Mitsubishi, Mitsubishi Heavy Industries, Japan Marine United, Mitsui Engineering & Shipbuilding, Nippon Steel & Sumitomo Metal Corporation, Hitachi, Furukawa Electric, Shimizu, and Mizuho Information & Research.

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First Subsea

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