Rolls-Royce to Supply Electric Propulsion for Norwegian Cruise Line

Thursday / November 24, 2016


The Norwegian explorer cruise line, Hurtigruten, is to build two new expedition ships using a new and environmentally sustainable hybrid technology from Rolls-Royce making fully electric propulsion on a passenger ship possible.

The Rolls-Royce designed MS Roald Amundsen and MS Fridtjof Nansen, about to be constructed at Kleven Yard in Norway, will be packed with innovative Rolls-Royce technology.

In addition to the hybrid power solution, the vessels will have the latest automation and control systems, including the Rolls-Royce Unified Bridge, the first delivery of two azipull propellers using permanent magnet technology, two large tunnel thrusters, stabilisers, four  Bergen B33:45 engines, winches and power electric systems.

The hybrid technology for MS Roald Amundsen and MS Fridtjof Nansen is planned for delivery in two phases. In phase one, auxiliary battery power will provide large reductions in fuel consumption related to “peak shaving”. This solution is to be installed on the first expeditionary ship ready for delivery in 2018. For phase two, larger batteries will be installed, enabling the possibility of fully electric sailing across longer distances and over longer periods of time. This will be used when sailing into fjords, at port and in vulnerable areas allowing silent and emission free sailing. Rolls-Royce aims to install this new technology in ship number two, which is scheduled for delivery in 2019. The goal of Hurtigruten is also to refurbish ship number one with the same technology.

The decision to invest in a hybrid solution is an important milestone in Hurtigruten’s goal of sailing fully electric expeditionary ships in the Arctic and Antarctic.

Hybrid  technology, in combination with the construction of the hull and effective use of electricity on board, will reduce the fuel consumption by approximately 20% and CO2 emissions from  the ships by 20%. This amounts to more than 3000 metric tons of CO2 per year.

Another innovation to be installed on MS Roald Amundsen and MS Fridtjof Nansen is main propulsion thrusters that use integrated permanent magnet (PM) technology instead of being powered by separate propulsion motors. Over the last two years, Rolls-Royce has launched a range of propulsion and deck machinery driven by PM technology. From 2017 a new azipull model will be on offer, and this is the product specified as the main propeller units on board Hurtigruten.

Azipull thrusters with pulling propeller and streamlined underwater skeg have proved highly popular propulsion units since they were introduced in 2003. Over four hundred and fifty units have been manufactured by Rolls-Royce (in Ulsteinvik, Norway) to date.

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