Abstract. In the context of the rapid development of China's national economy and the continuous progress of science and technology, the electrical industry has also made rapid development, towards the intelligent direction, which also effectively promoted China's national economic development, and for people's Life and work to bring great convenience. At the same time, people on the electrical function also put forward higher and higher requirements. Electrical intelligent technology not only affects the quality of electrical appliances, but also affect the operation of the power system. Therefore, it should be in the system of scientific use of electrical automation technology, and thus effectively promote the development of intelligent electrical appliances, to better meet people's electrical needs, enhance people's quality of life. This paper mainly analyzes the application of intelligent technology in the distribution network automation, hoping to play a certain role in promoting the development of electrical appliances, and thus effectively improve people's quality of life. BackgroundThe construction of intelligent distribution network can make up the drawbacks of the traditional distribution network to a large extent. In the process of intelligent distribution network construction, it is necessary to apply the power distribution automation technology. This technology has a very important influence on the safe operation of the distribution network , Based on the power sector needs of the power distribution automation technology for continuous research, so as to intelligent power distribution network construction to provide a strong technical support [1].Application Status of Distribution Automation Technology in Intelligent Distribution Network Construction.First, the overall structure of the intelligent distribution network is not rigorous. The overall structural design of the intelligent distribution network has a very important impact on the quality of its construction. However, most power companies are not aware of the importance of the overall structural design of the intelligent distribution network. In the design process, the actual situation and all the influencing factors can not be carried out. Comprehensive analysis, the overall structure of the design is not rigorous problems in the late put into use in the practical performance greatly reduced, and there is a big security risk, leading to the distribution network can not be very good for people to provide adequate and stable energy, industry development Subject to certain restrictions.

Under the background of the rapid development of Smart Substation in the new era, the relay protection device plays an important role in the operation of Smart Substation, which has great guarantee for the safety and stability of the power system. However, in the current situation, the relay protection equipment or the failure of the line is very common, which will not only hinder the operation of other systems, but also greatly increase the economic loss caused by system failure. With the continuous development of visual remote sensing image processing, the visualization technology is introduced into the design of remote sensing image processing system and applied in the protection system of Smart Substation. The visualized remote sensing image processing system technology can improve the efficiency of relay protection of Smart Substation. It can be seen that the application of this technology in Smart Substation has obvious superiority. Therefore, the research and improvement of the relay protection scheme for the relay protection of the new generation of Smart Substation is particularly important, which is convenient for the safe operation of the power system.

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