October 23, 2019
● GE’s electric power and propulsion system is onboard SSCV Sleipnir, the world’s largest semi-submersible crane vessel which has recently finished its first project.
● GE’s power package generates and distributes electricity to power the entire system onboard the vessel.
● GE’s electric propulsion equipment, coupled with the engine, allows the vessel to run on liquefied natural gas for reduced emissions.
Paris – 23 October 2019 – Heerema Marine Contractors’ semi-submersible crane vessel (SSCV) Sleipnir has recently successfully completed its first project: the installation of the topsides of the Leviathan development in the Mediterranean, a world record lift, with GE’s power and electric propulsion system onboard.
At 220 meters long and 102 meters wide, Sleipnir is the world’s largest crane vessel, with two 10,000-tonne revolving cranes. To enable smooth operations of such a “sea giant,” GE was chosen to provide the electrical part of the power and propulsion system including 12 sets of 8-megawatt (MW) generators, eight units of 5.5MW propulsion motors, medium-voltage switchboards, transformers, MV7000 drives and the Visor remote monitoring and diagnostics system.
Sleipnir is the world’s first crane vessel with dual-fuel engines running on either marine gas oil (MGO) or liquefied natural gas (LNG). Coupled with GE’s electric propulsion system, the vessel will see lower emissions when on operations. GE’s power package will also generate and distribute electricity to power the vessel’s entire onboard systems.
The solution provided by GE has been conceived from the ground up to meet requirements specific to this project. As a result, the entire power system is designed for fault tolerance in accordance with Lloyd’s Register’s Rules and Regulations (DP AAA). While being more compact than standard solutions, GE’s solution has advanced sensors built in to help operators monitor the health of each piece of equipment in real time and signal possible malfunctions. Together, these measures result in a compact, yet highly sophisticated solution, which facilitates operations while helping to minimize downtime and increase availability.
“In addition to the long-term electrical expertise we have in the offshore industry, one of our key strengths lies in our capability of system integration which allows us to create more efficient systems, deliver additional value to our customers and help them maintain fleets with long-term technological advantage and competitiveness in the industry,” said Andy Cooper, Managing Director, GE’s Power Conversion business UK.
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