Export cable laying vessels
Export cable laying vessels are used in offshore wind fields to connect the offshore grid to the shore network. The offshore wind farms are established further offshore, and the wind turbines and offshore wind farms are increasing in size. This means, that the export cables are also increasing in size and in length.
Bridging offshore grids to shore networks
Export cables are designed similarly to inter-array cables but have a higher voltage, typically 100 to 220 kV. High cable capacity, efficiency, and gentle handling of cables are the key elements in such vessels. Shallow draught can be an essential design element in export cable laying vessels, as some vessels go close to land to terminate and load cable.
A variety of capacities
The SX121 is a modular and flexible platform designed for export power cable laying that can be adapted to inter-array operations. If requested, the cable tank and carousel are either on deck or below deck. A high deadweight capacity of up to 9,000 tonnes enables cable capacities of up to 6,500. It comes with a bollard pull of up to 90 t for ploughing.
The SX165 is a mid-size, modular, and flexible platform for power cable laying operations. The cable tank and carousel are either on or below the deck if requested. The vessel has a high deadweight capacity of up to 15,000 tonnes and cable capacities of up to 10,500 tonnes.
The SX225 is a large platform with increased power cable laying operations operability. It has one large Cable carousel on the working deck and one below the working deck. The vessel has a high deadweight capacity of up to 23,000 tonnes and cable capacities of up to 20,000. The hull is built on the TWIN X-STERN® platform with 3x3 azimuth units for exceptional DP capability, also on shallow draughts.
It is Net Zero Ready and prepared for Dual fuel, Methanol, and MGO. The battery is installed.
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Ulstein Design & Solutions provides the concept and basic cable laying designs, various design services, engineering, power integration and electrical services, site follow-up and turnkey shipbuilding deliveries. Our shipyard, Ulstein Verft, is renowned for high-quality, on-time deliveries, and we work with shipyards worldwide.
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Rolf Petter Almli
- Description
- Sales Manager
- Affiliation
- Ulstein Design & Solutions AS
