Work vessel shortlisted for Motorship Awards
A multipurpose work vessel currently in build for the Norwegian Coastal Adminstration, ‘OV Ryvingen’, has been shortlisted to compete against three other green ship propulsion projects for the first Motorship Award.
A six cylinder medium speed-engine running a newly developed dual generator system replaced four high-speed engines; a massive improvement in fuel efficiency, emissions and maintenance. This new 46m long hybrid vessel also features the largest battery installation in the world compared to the vessels size (3MWh), enabling several hours of continuous all electric operation. The propulsion system is optimized through an integrated DC-distribution system (SAVe CUBE) and last but not least the world’s first commercial permanent magnet azimuth thrusters. The vessel is under construction at Fitjar Mekaniske Verksted and scheduled for delivery in Q4 2018.
It will have an overall fuel-reduction of 35% and 50% emission reductions compared to NCAs 6-7 year older vessels while performing the exact same duties and at the same time reduce the amount of engine running hours by 86%.
The above are values purely related to the power and propulsion system, without any operational changes or additional shore power. Ryvingen will operate at different areas along the Norwegian coast, and has a versatile shore connection installed that can utilise a range of voltage and frequency levels depending on what’s available. In areas where this power is available it will enable a further overall fuel and CO2 reduction to 72%, turning the vessel into an almost completely electric multipurpose work vessel, the first of its kind.
The shortlist will go on to present their projects to delegates at The Motorship’s Propulsion and Future Fuels Conference, to be held at Hamburg’s Riverside Empire Hotel on 14-16 November. The winner will be decided by a vote among delegates. For more information visit: www.propulsionconference.com/
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