Battery-hybrid dual-fuel system

MAN 9L35/44DF Diesel/Gas-electric propulsion system MAN 9L35/44DF Diesel/Gas-electric propulsion system

The Damen Gorinchem Holland shipyard has ordered a hybrid-propulsion solution from MAN Energy Solutions.

The new order is in connection with the building of 2 × dual-fuel/hybrid RoRo ferries for Canada’s Seaspan Ferries Corporation. The order covers the provision of MAN 35/44DF dual-fuel engines, fuel gas-supply systems and the main electric systems, including batteries.

MAN Energy Solutions will provide the solutions in association with Aspin Kemp & Associates (AKA), in which it has a 40% stake. AKA specialises in power supply, energy management and drive systems for marine and industrial applications.

Similarly, MAN Energy Solutions’ fuel-gas specialist, MAN Cryo, has been charged with supplying the new ferries’ fuel gas-supply system. MAN Cryo offers systems for the storage, distribution and handling of liquefied gases and was fully integrated into the company in 2015.

Wayne Jones OBE – Chief Sales Officer and Member of the Executive Board, MAN Energy Solutions – said: “We are very pleased to have won this order, and that our case was compelling enough for the customer to change an existing technical specification to our favour. It really showcases our strategic direction of developing sustainable technologies and solutions, and how we have expanded our business in recent years. This is a move that is now paying off as evidenced by the key roles that AKA and MAN Cryo play in this significant order.”

MAN Energy Solutions’ scope of supply for each shipset comprises:

·         2 × MAN 9L35/44DF Diesel/Gas-electric propulsion system

·         1 × MAN Cryo Fuel Gas Supply System including a 209m³ tank

·         1 × AKA main electrical system

·         1 × AKA 2-MWh energy storage systems

·         1 × AKA low voltage distribution system .

High system efficiency and the lowest emissions will be achieved by having just one of two DF engines online at a time and at high load. Being able to operate with a one engine-online-concept facilitates significant savings in terms of vessels fuel costs, running hours and therefore spare parts/maintenance costs.

The propulsion and battery hybrid system, deeply integrated by AKA, provides sufficient propuslion power in all operational modes to serve Seaspan’s requirements to maintain its routes on time, fuel-efficiently, and with a minimal carbon footprint.

By Jake Frith

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