| In this paper, discusses the development of substation automation system at home and abroad, and to clarify the substation automation system structure, function, and communications networks. Substation Automation is the direction of development of the distribution system, substation automation trends hierarchical distributed architecture, which the monitoring system is its core, the overall performance depends on the performance of the communication network for substation automation, Ethernet bandwidth can be the advantage of the scalability, reliability, economy, compatibility to gradually become the optimal choice of communication networks in substation automation system. Substation automation products and application matures, significant economic benefits, therefore, the master substation automation system design principles and application considerations for the power system automation application level, to promote the power system network management, unmanned substation a very important significance. |
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