Tuesday, November 29, 2022

Danfoss Power Solutions’ hybrid drivetrains selected for Hamburg public ferries

Danfoss Power Solutions’ Editron division has been chosen to provide drivetrain systems for three hybrid passenger ferries that will operate on the Elbe River in Hamburg, Germany. German shipyard Schiffbau- u. Entwicklungsgesellschaft Tangermünde mbH (SET) will build the vessels for Hamburg transportation company HADAG, expanding its fleet to 29 ships.

Hamburg’s passenger ferry service is integral to its public transportation offering. With eight routes stopping at 20 different piers, the ferries are used by approximately 9 million passengers annually. The city is looking to decarbonize its transportation sector, which was responsible for 29% of its total emissions in 2018. Hamburg is part of the Carbon Neutral Cities Alliance and has set a goal of achieving a 55% reduction in emissions by 2030, with a minimum reduction of 95% by 2050.

All three vessels will feature serial hybrid propulsion systems, including drivetrains designed and manufactured by Danfoss’ Editron division. The drivetrain incorporates shore connection, battery storage, and propulsion and AC network feeding power modules, all connected by a compact DC link with unique and patented selectivity for high system safety. Editron’s synchronous reluctance assisted permanent magnet generator is attached to a Scania Diesel engine to create a variable speed genset, providing energy for charging batteries or as a backup for propulsion. Two electric eVSP9 Voith Schneider Thrusters will turn the electric energy into highly efficient thrust combined with high maneuverability. The vessels will also be capable of integrating hydrogen fuel cell technology, allowing for zero-emission operation in the future.

The first ferry, which will be capable of carrying up to 250 passengers, is due to be delivered to HADAG in 2024, with the other two vessels expected to follow later the same year. Additionally, HADAG has an option to order a further three ferries featuring the fuel cell technology, while the system could also potentially be retrofitted on the city’s existing passenger ferry fleet.

Sascha Nitz, marine sales manager in Danfoss’ Editron division, commented: “Our drivetrain is one of the most compact and lightweight solutions on today’s market, easily fitting into a vessel’s machinery room and enabling more space for passengers. The high efficiency of our system also optimizes battery capacity on board to fit the desired operational profile. I want to thank SET for putting its trust in us to power these hybrid vessels, which will play a crucial role in Hamburg’s public transport offering.”

Martin Lobmeyer, technical director at HADAG, said: “These vessels will be designed to ensure safe operation in Hamburg’s city center, which includes making multiple stops every hour and navigating the tidal conditions of the Elbe River. They will also efficiently utilize the hybrid-electric propulsion technology while driving at full speed and berthing throughout the whole harbor area.”

Olaf Deter, managing director of SET, added: “We’re pleased that we were ultimately able to prevail against our competitors in an extremely intensive tendering and awarding process and thank HADAG for the assignment and the trust it placed in us. We’re aware of the responsibility and duty required to implement such a demanding project and are pleased to be able to contribute to the innovative future design of the Port of Hamburg.”

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