分层式结构变电站自动化通信系统研究综述

Review on automatic communication network of hierarchical substation

介绍了变电站自动化系统通信网络的性能要求、网络结构和数据流状况,探讨了分层式变电站自动化系统通信网络方案选择和设计过程中需要遵循的原则,给出了电压等级和复杂程度不同的变电站自动化系统通信网络的具体方案,并在分析以太网载波监听多路访问/冲突检测机制(CSMA/CD)的基础上,提出了基于嵌入式以太网的通信系统中值得进一步深入研究的问题。

The capability demand, network structure and data transfer of substation automatic systems are introduced. Some principles about selection of the automatic communication network are studied. Projects of commum＇cation network for various voltage grades and complexity are suggested. Some future problems are discussed base on the analysis of Ethernet CSMA/CD in embedded Ethernet.