Three Gorges of Yangtze River 1 is the world's first new energy pure electric cruise ship adopting high-voltage charging + low-voltage replenishment, and is the first pure electric cruise ship in China. Numerous equipments and systems are the first developed and applied in the electric boat industry, effectively filling the gaps of many technical research applications in the field of electric cruise ships. HUJI has customised its exclusive high-voltage DC inverter central air-conditioning system, which improves the comfort of the passengers and greatly saves power loss at the same time.