DP30M2S is a hydrogen fuel-cell power system that converts hydrogen and oxygen into electrical power. Published mass is 6.9 kg. It supplies an electric propulsion or onboard power installation and requires integration with hydrogen storage and balance-of-plant equipment.
The DP30M2S is an air-cooled hydrogen fuel-cell power pack for drones from Doosan Mobility Innovation, a PEM fuel cell system that supplies electric power to multirotor and other unmanned aircraft with a compressed-hydrogen tank.
The unit combines fuel-cell stacks, a ventilation fan for cooling, a power board that controls stack output and internal sensors in one package. The stacks and fans are each paired in a dual arrangement to improve reliability. Because hydrogen carries much more energy per kilogram than a battery pack, a fuel-cell power pack lets a larger drone fly longer with a heavier payload, where adding battery cells stops paying off because of their own mass. The maker quotes more than two hours of flight time and a refuelling time under ten minutes for drones fitted with the pack.
The main figures are a rated power of 2.7 kW and a peak power of 5 kW. The rated value is what the stack delivers continuously in cruise and hover, while the peak value covers take-off, climb and other short high-load phases. The power pack alone has a mass of 6.9 kg, and 12.7 kg with the hydrogen tank, which is the figure to use for payload and centre-of-gravity budgets. The hydrogen supply pressure range is 0 to 350 bar. Dimensions are 600 mm wide, 530 mm long and 320 mm high. The operating temperature is -5 °C to 40 °C and storage is -10 °C to 40 °C, which matters for winter operations and for how the unit is kept between missions.
Fuel-cell output changes slowly compared with the demand of a multirotor, so the DP30M2S includes a hybrid battery. It is a LiPo pack, either 2,600 mAh x 2 or 1,800 mAh x 2, that covers load swings during ascent and landing and acts as a reserve that enables an emergency landing if a fault occurs. Integrators should plan for a hydrogen tank and its mounting, the tank interface and an airframe adapted to the power pack, as the maker states that the airframe needs suitable customization.
Monitoring is done through the maker's View app and dashboard, which show voltage, current and remaining hydrogen in real time, with communication by LTE and RF. When hydrogen runs low, the drone can be set to stop at a nearby landing point or to return to its home point.
On certification, the stated certification of the DP30M2S is KGS AH373, issued by the Korea Gas Safety Corporation. The only emission of the system in operation is water.
Typical applications are long-endurance infrastructure inspection, public-safety missions and other multirotor tasks where flight time and payload are the limiting factors.
Specifications
Specifications · DP30M2S hydrogen fuel-cell power system
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