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Recently, the patent for “a docking ship shore power system†independently researched and developed by the subsidiary of Lianyungang Port Group was authorized by the State Intellectual Property Office. The patent is the invention patent of the first terminal marine shore power system technology in China, which is advanced in technology and easy to operate. It is the first low-carbon environmental protection and energy-saving project in China.
At present, most of the world's ships use their own light-burning or heavy-duty diesel generators to generate electricity by themselves, emitting a large amount of carbon dioxide, sulfides and nitrides, causing serious pollution to the atmospheric environment. Ships relying on port to use shore power technology can effectively solve this problem. Based on the research of many years ago, Lianyungang Port Group carried out technical research and carried out technological innovations. Through repeated testing of berths, the terminal marine power system of the terminal reached the main requirements of the shore-connecting power technology both theoretically and practically. The design point of the project is “one interface, high-pressure on board, easy to operate, uninterrupted power supplyâ€. According to the technical solution, the substation far from the terminal converts 50 Hz into a high-voltage power of 60 Hz, and then sends it to the high-voltage junction box of the terminal. After the ship is docked, it is only necessary to put a special high-voltage cable on the ship to the dock, and then the operator accesses the high-voltage junction box, so that the ship can be connected to the grid without interruption of the shore power and ship power.
Compared with the technologies adopted by other ports at home and abroad, the high-voltage variable-frequency digital marine shore power system developed by the Port Group has the advantages of energy saving, emission reduction, low carbon and economy. At present, the research group of the Port Group has overcome technical problems such as differences in electrical systems, cable tow, and power switching. The six key technologies of the core power project have applied for 10 Chinese patents.
