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BUNKER INDEX :: Price Index, News and Directory Information for the Marine Fuel Industry
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Bunker-saving shaft generators for 'most fuel-efficient ferries in the world'

23 Nov 2016 06:53 GMT

Shaft generators are said to produce all the electricity needed without using any fuel to run the auxiliary generators when sailing.



Finnish firm WE Tech Solutions Oy has received an order to deliver its energy-efficient permanent magnet shaft generator solutions to a series of four ro-pax ferries, with an option for another four.

The vessels and their main engines will be 'gas-ready', prepared to be fuelled by either methanol or liquefied natural gas (LNG). They are to be built for Swedish shipping company Stena RoRo at AVIC Weihai Shipyard Co., Ltd. in China.

Intended for short international routes, the first four ferries are planned to be used within Stena Line's route network in northern Europe. They will have the capacity to carry 1,000 people on board.

Commenting on the news, Martin Andtfolk, Sales Manager at WE Tech, said: "WE have developed the most energy-efficient shaft generator solution to reduce the fuel consumption, operational costs and environmental footprint. Cooperation with one of the pioneers in shipping - Stena RoRo - is a very significant step for us."

Carl-Johan Hagman, Head of Shipping, Stena AB, remarked: "These ships will be the most fuel-efficient ferries in the world and will set a new industry standard when it comes to operational performance, emissions and cost competitiveness, positioning Stena Line to support its customers in the next decades."

"With our solution, the shaft generator, driven by the main engine, can produce all the needed electricity on board without using any fuel to run the auxiliary generators when sailing. Our solution is also based on frequency drive technology, which allows the main engine to run at variable speed while producing electricity on board. This results in tons of fuel savings every day," Andtfolk said.

The two 2600-kilowatt (kW) shaft generators, together with variable frequency drive - WE Drive - generate power for the ship's electrical network in power take out (PTO) mode. The solution also utilises the common DC-link for power distribution in bow thrusters.

"With our proven technology, we take our customers to success in terms of energy efficiency, fuel consumption and green values," added Marten Storbacka, Managing Director of WE Tech.

The equipment delivery from WE Tech to the first vessel is scheduled for January 2018.






Related Links:

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