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随着电子数字化传感器技术和智能化电气设备技术的日益成熟,以及计算机网络技术、光通信技术和数字化技术在电力通信领域的开发和应用,变电站建设开始朝着数字化的方向发展。同时,电网结构的日趋复杂、对电压等级和电网稳定可靠性的提高,以及国家在电网建设上的巨额投入,都为数字化变电站的开发建设提供了契机和需求空间,国内已经有一些110kV的数字化变电站投入运营,也有不少正在开工建设。本文在对数字化变电站进行大致介绍的基础上,重点分析110kV数字换变电站设计的系统结构、建设的关键技术和投入运营后将可能带来的经济和社会效益。
With the development of electronic digital sensor technology and intelligent electrical equipment technology, as well as the development and application of computer network technology, optical communication technology and digital technology in the field of power communication, the construction of substation has begun to be digitized. At the same time, the increasingly complex structure of the power grid, the improvement of the voltage level and the stability and reliability of the power grid, as well as the huge investment in power grid construction in the country provide opportunities and demand for the development and construction of digital substations. There are already some 110kV digital Substation put into operation, there are many are under construction. Based on the general introduction of digital substation, this article focuses on the system structure of 110kV digital substation design, the key technology of construction and the economic and social benefits that it may bring after it is put into operation.