Video summary
Hybrid Electric Propulsion Patrol Boat Engine Room Tour with CJ Jeon
Main summary
Key takeaways
Hybrid-Electric Propulsion System
The engine-room tour explains a hybrid-electric propulsion system that can operate using diesel engines, electric motors, or battery power. The presenter describes switching between diesel and electric modes, with electric propulsion driving the transmission and propeller.
Energy Sources
The system uses shore power, generators, and batteries. Shore power and generators can recharge the batteries, while battery power can supply both onboard loads and electric propulsion.
Battery and Electrical System
The stated battery capacity is 240 kWh at 800 V, arranged in three 80 kWh racks. The electrical system includes high-power inverters, a battery controller, a power-management system, DC bus equipment, high-voltage protection fuses, and LC filters.
Cooling and Controls
The batteries, motors, and inverter/converter equipment require cooling. The cooling system is described as switching automatically when the vessel changes between diesel and electric operation.
Performance
The presenter says the hybrid system can reduce fuel consumption by more than 30%. Further reductions in emissions and fuel use may be possible depending on battery capacity.
Main Speaker
CJ Jeon presents the engine-room tour and system explanation.
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