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中文摘要：
智能变电站三层网络结构中,过程层网络是最直接与一次设备连接的最底层,它的运行稳定性直接关系到全站的安全稳定运行。在此基础上分析了网络拓扑结构、SMV采样信息与GOOSE网、数据传输通信模型等过程层的理论、组成和基本要求,提出了三种典型的过程层组网方案。对三种方案的优缺点进行理论分析,同时在辽宁大石桥智能变电站进行了多次专项测试,最终验证提出三网合一技术方案性能指标完全满足智能变电站技术规范,能够保证智能变电站安全、可靠的运行要求,可显著提高过程层网络的运行可靠性,证明组网方案切实可行,值得推广。
英文摘要：
The operational stability of the process layer network constituting the bottom layer related directly to the primary equipment concerns directly the safe and stable operation of the whole intelligent substation. This paper analyzes the theory,composition and requirement of the network topology structure,SMV sampling information and Goose network and data transmission communication model,and proposes three typical networking schemes for the process layer. The project team analyzes the advantages and disadvantages of these schemes,completes special tests in Dashiqiao Intelligent Substation in Liaoning province,and validates that the performance of the combined 3-network technology scheme proposed in this paper can meet the requirements of the technical specifications as well as the safe and reliable operation of the intelligent substation,and can significantly improve the operational reliability of the process layer network,thus proving that the networking scheme is practical and feasible and is worth popularizing.
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