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Hybrid Ship-to-Shore Cables

      1/8/2008

Hybrid Ship-to-Shore Cables

Nexans has developed an innovative hybrid MV (medium voltage) ship-to-shore connection cable that enables ships berthed in port to cut their engines and plug in to the local power grid, as well as providing an integrated data and telecommunications link. Environmental issues are now a key priority for the shipping industry and port authorities, and this cable will help large ships to make use of AMP (alternative maritime power) systems that effectively eliminate the production of greenhouse gases while in port, as well as reducing noise emissions and saving on fuel costs.

The Nexans hybrid ship-to-shore connection cable, branded RHEYFIRM (RS), is aimed mainly at the new generation of large container vessels, LNG tankers, ferries and cruise ships, which require vast quantities of electric power (typically 1 to 5 MW and currents of over 300A) to support heating, air conditioning and necessary auxiliary ship's systems. There is increasing political pressure on shipping operators and port authorities worldwide to improve air quality in ports, especially as they are often located in densely populated cities.

The RHEYFIRM (RS) ship-to-shore cable integrates MV (6/10kV) power supply, control cores and optical fibres for data transmission such as telephone and internet in a single, rugged, cable designed to be easy to reel either from onboard or from portside. It has been developed in conjunction with SAM Electronics in Hamburg, Germany, one of Nexans’ leading shipboard cable customers, while Cavotec has designed the matching reels, plugs and connectors to create a complete connection system. RHEYFIRM (RS) cable is around 80 mm in diameter and comprises three 185 mm2 phase conductors and two earthing conductors that provide an effective cross-section of 95 mm2 – as well as five control cores and 12 optical fibres.



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