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DANFOSS AND KONGSBERG DEVELOP ELECTRIC MARINE WINCH SOLUTIONS

Wednesday, January 9, 2019 

Danfoss Editron has partnered with Kongsberg Evotec, part of Kongsberg Maritime, to develop a fully electric-powered marine winch powered by the Danfoss Editron electric drivetrain system.

The Editron drivetrain for the Evotec marine winch system comprises lightweight and compact, yet powerful, reluctance-assisted permanent magnet motors, saving weight and space, and offering better area utilisation and lower cost compared to traditional hydraulic-powered winches. Hydraulic winches are also less energy efficient as they experience bigger power losses and require higher average power usage, even when in idle operation. Further potential downsides of hydraulic winches include loud noise levels, as well as the risk of oil spills.

The electric winches can be controlled remotely, making them more responsive to commands and improving functionality.

The Editron software combines winch-specific functionalities, such as wire tension control and limit, speed control, position control and brake control. Additionally, several safety features are directly implemented into the drivetrain through operating in a redundant set-up.

Kongsberg Evotec’s Operations Manager Bjørn Berge said: “Compared to traditional hydraulic winches, which still have a strong standing in some applications, we see the new generation of winch solutions as an important contribution to tomorrow’s handling technology. Through tests and demonstrations, we have proven that our cooperation with Danfoss Editron was the right strategic decision and that we are now in front with some of the solutions we are offering to the market.”

The first two electric winch systems featuring Editron drivetrains have been supplied to the offshore and seismic markets. In early 2019, the first large-scale project will be commissioned and delivered from Havyard in Leirvik, Norway after going through full-scale interface and functionality testing, with 10 winches and 20 drives and motors in total being installed on a pelagic trawler. Additionally, a Launch and Recovery System featuring a dual motor fed by two inverters and Kongsberg Evotec control system has been delivered to a Norwegian customer for start-up and commissioning in Turkey. As well as the standard drivetrain functions and safety, this system includes heave compensating functionality.

Danfoss Editron is also working with Kongsberg Evotec on an automated deployment and retrieving system for seismic nodes, which will increase the speed and reduce the cost of ocean bottom seismic node operations.

Joonas Talvitie, Project Manager at Danfoss Editron, said: “It’s great to be working with one of the marine industry’s biggest players as the electric revolution continues to move forward with significant momentum. We’re proud to offer our market-leading technology to customers as it provides them with further opportunities to fully electrify their on-board equipment and reduce fuel costs and associated emissions.”

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