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With the continuous development of China’s substation technology, the current level of substation automation has reached a certain level, most have adopted a new substation integrated automation system, this large-scale substation automation technology to use, not only greatly enhance China’s power grid construction the overall level, but also reduces the substation construction and operation costs. In recent years, communications and computer technology advances, the study of substation automation and more in-depth, coupled with intelligent switches, one to run the device intelligence state detection, and other technologies have come out and gradually mature, the corresponding Information for substation, transmission and processing of the process began to move towards the era of intelligent, intelligent substation has become a new trend. In 2011 the industry development into the high cycle," Twelfth Five-Year Plan" will start smart grid and distribution and transformation of key projects, annual investment 300,000,000,000, UHV construction and frequency conversion technology application in the industrial field will continue throughout the next five years, to become the industry continued hot, intelligent substation development was put on the agenda.In this paper, intelligent substation for the study, analyzed the research situation, based on the introduced basic concepts of intelligent substation, the main features, architecture and related technologies, intelligent substation on China after the key points of the in-depth study, the distributed structure of integrated substation automation technology will be the main development direction.concluded that our country is facing some of the problems of intelligent substation, put forward some practical suggestions for practice.The subjects of research for enhancing the speed of China’s development of intelligent substations have some theoretical significance, while intelligent substation provides a viable realization of the program, has more practical significance.
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