First Norwegian hybrid fish-farming boat unveiled

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Danfoss Editron has delivered two 105kW motors that will help power Edel, the first hybrid vessel built for the aquaculture sector by Norwegian shipyard Moen Marin. The vessel is also the first diesel-electric vessel in the fleet of NRS Farming, Norway’s leading producer of sustainable salmon.

The 13.5 x 7.5m (44 x 25ft) vessel will become part of NRS Farming’s fleet and will be used for sustainable fishing in salmon farms located in Norway’s fjords. As it has an operating pattern of predominantly short trips, NRS Farming plans to run Edel mainly on battery power. However, the boat will operate in diesel-electric mode on longer journeys, with the battery pack charged by the diesel generator.

“Compared with conventional technologies, such as induction machines or standard permanent magnet motors, our electric SRPM [synchronous reluctance assisted permanent magnet]motors are smaller, lighter in weight and offer higher efficiencies,” said Ole Duus, sales area manager for Danfoss Editron. “These are key factors as to why more and more customers in the marine sector are choosing to work with us to electrify their ships.”

Danfoss Editron’s SRPM motors are liquid-cooled and designed to work in harsh operating environments such as the marine sector. As well as the motors, Edel also features 10 sets of lithium-ion batteries with a total capacity of 244kWh, and two electric capstans, a 139kW generator, a 50hp thruster and a fully rotating deck crane.
“There are many clear advantages of going for a hybrid vessel, both in terms of climate and environmental benefits and reduced diesel costs,” said Arve Olav Lervåg, executive vice president of NRS Farming. “But the most important thing has always been to look after our employees. We get a better working environment with less noise, exhaust and vibrations.”

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With almost two-decades experience in consumer magazines, Wesley recently moved to B2B publishing and now edits a number of titles for UKi Media & Events, including Electric & Hybrid Marine Technology International.

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