论述了智能变电站对通信网络新的技术要求,分析了业务数据的采集、传输和交换的性能要求,以及IEC 61850标准下的各种智能电子设备信息集成和数据共享的基本需求,研究了工业级交换机的功能需求,说明了各层网络需求,对比了不同的组网方式及其优缺点.%The new technical requirements of intelligent substation to communication network were discussed, and performance requirements of the collection, transmission and exchange of business data, as well as the functional requirements of a variety of intelligent electronic devices information integration and data sharing in the IEC 61850 standard were analyzed, functional needs to the industrial-grade switches, were studied, the network requirements of layers were illustrated, and different networking as well as advantages and disadvantages were compared.
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