Prototype of a power train for hydrogen vessels

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ACUA Ocean through CMDC1 Strand 2, successfully developed and tested a non-commercial low voltage concept powertrain system. Since CDMC1 multiple companies have approached ACUA and Trident Marine Electrical to procure a hydrogen-powertrain system.AO also identified challenges in the global hydrogen-electric supply chain, with a limited number of suppliers (Torqeedo and EODev). Alternative zero-emission solutions (such as Torqeedo and Evoy) focus on generic battery technology which due to the low-power density of lithium ion batteries have very limited endurance/ range and are not suitable for many commercial and recreational marine activities.In partnership with Krensen, a leading British innovator in electric propulsion-based products/systems and TME, one of the UK's most exciting marine electrical engineering startups - this consortium application looks to deliver an innovative marinised liquid hydrogen-powertrain solution that can be used in multiple vessels across recreational and commercial vessels.The proposed hydrogen-power train system will:* increase battery to 360v system from 24v,* increase engine power from 10kw to 200kw* optimise the powertrain efficiency - focus on chargingcharing and removal of DC to AC steps* marinise the fuel cell system* develop a smart control system and user interfaceThis R&D application collaboration will deliver a non-commercial Factory Acceptance Test demonstration to TRL5 of the power-train system that is commercially available to third parties, supporting the priority technology focus of CMDC 2 for new and novel design and zero-emission propulsion systems. Commercial exploitation aims to expand use beyond the AO vessel to include recreational and commercial small and medium sized crewed and uncrewed vessels - including new installations and retrofits. These markets include the 30m global recreational boat sector, valued at $29bn in 2022\. Additionally, this powertrain system could be deployed in commercial vessels including the multi-billion dollar fishing trawling market and the fast growing Offshore Patrol Vessels market.This 8-month industrial collaborative R&D project uniquely addresses multiple CMDC2 priority innovation challenges of;1. Whole-ship energy efficiency design and integration through optimisation of the powertrain design and vessel propulsion2. Safe on-board storage of hydrogen and ammonia3. Auxiliary engines, for example, battery, fuel cell, using low or zero carbon alternative fuels such as hydrogen, methanol or ammoniaTotal eligible costs for 8-month industrial R&D collaboration are £564,653 (70% grant, 30% match-funding from existing reserves);* AO: £310,516 \> £217,361 (70%) / £93,155 (30%)* Krensen: £159,800 \> £47,940 (70%) / £54,772 (30%)* TME: £94,337 \> £66,036 (70%) / £28,301 (30%)