ClassNK Gives AiP for Yanmar’s Maritime Hydrogen Fuel Cell System

ClassNK has issued an Approval in Principle (AiP) for a maritime hydrogen fuel cell system developed by YANMAR Power Technology, marking the first AiP certification for a maritime hydrogen fuel cell system developed by a Japanese manufacturer.

The 300kW maritime hydrogen fuel cell system, developed by Yanmar, is designed with key auxiliary components such as gas valve units integrated within the system enclosure, aimed to facilitate easy installation on ships.

On top of that, the system allows for parallel connection of multiple units and adjustments to the number of hydrogen fuel cell modules, making it adaptable to various ship power output requirements.

ClassNK carried out a review of the system in line with its guidelines, and examined the result of required tests and risk assessment.

Upon confirming it complies with the prescribed requirements, ClassNK issued the AiP.

Hydrogen fuel cells are gaining attention as a potential means to help reduce GHG emissions from shipping.

Meanwhile, due to the unique characteristics of hydrogen, distinct from conventional gas fuels, safety discussions are actively underway at the IMO.

Based on IMO’s interim guidelines and relevant IEC standards, ClassNK issued the Guidelines for Fuel Cell Power Systems On Board Ships (Second Edition), specifying safety requirements for the design of ships using fuel cell power installations and the systems themselves to promote and expand the utilization of fuel cells in ships.

ClassNK said it will actively continue to take part in advanced initiatives toward decarbonization and also support the decarbonization of the entire industry by incorporating the knowledge gained through collaboration with front runners into rules and guidelines.

Yangzijiang Shipbuilding

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