| With the development of computer technology,communication technology and control technology, the automatic control level of Chinese Power industry is getting higher and higher.,the substatio automation system has entered a practical stage. The systerm enable the equipment (including intelligent relay-protection units, automatic device,observe and control, DC systems ete.) to exchange and deal with the data with the communications processor by using computers and network such as Lonworks and so on then communication with host station. It′s a kind of full-digital and strongly-maneuverability synthesizes Automation System.The paper consulted some kinds of the domestic substation automation system structures and also drawing on some of their advantages,particularly for interval, layered distributed integrated automation systerm structure pattern. Discuss the substation integration-automation system and research on it′s design. As one kind of electric technical ways to improve the quality of products, it guarantees the electric power manufacture high-quality and high-efficiency. Which has important significance towards protecting voltage quality ,improving power system stability and reducing costs.
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