Ships in port to use shore power is important of port environment construction and innovation. This paper summarizes the research and comparison of the shore power shore power systems,and application of high voltage frequency conversion technology in port shore power. It introduces the composition and main technology of high voltage shore power system(3MVA)and its application of the Ningbo Port. The application shows that, the technology can meet various ships power demand needs and power sourse stability and purity requirement.%船舶靠港使用岸电对港口环境建设及港口创新有重要意义。阐述岸电上船方式相关研究及高压变频电源在港口岸电应用的技术,介绍宁波港远东码头3 MVA高压岸电系统的组成及主要技术与应用,应用表明,该技术可以满足各类船只的用电需求及电源稳定、纯净的要求。
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