南方电网智能变电站网络结构分析及优化

Analysis and Optimization of the Network Structure of Intelligent Substations in China Southern Power Grid

为了优化网络结构、节省工程投资,通过分析南方电网典型的220 kV智能变电站网络结构,提出了一种适用于南方电网智能变电站间隔层设备的MMS和GOOSE报文共口共网传输方案。此外,针对MMS和GOOSE报文共口共网传输网络结构存在的问题,给出了一种虚拟局域网(VLAN)网络划分方案。结果表明,VLAN网络划分方案可极大地减轻网络负担,减小GOOSE报文传输对MMS报文的影响,为MMS和GOOSE报文共口共网传输提供了技术支持。

In order to optimize the network structure and save project investment,a common-port & common-network transmission scheme for the MMS and GOOSE messages of the bay level equipment of the intelligent substation in China Southern Power Grid is proposed by the analysis of the typical 220 kV intelligent substation network structures in China Southern Power Grid.In addition,aimed at solving the problems of the common-port & common-network transmission network structure of the MMS and GOOSE messages,a virtual local area network(VLAN) division scheme is given.The results show that the VLAN network division scheme can greatly reduce the network burden and the influence of GOOSE message transmission on MMS messages,thus provide technical support for the common-port & common-network transmission of MMS and GOOSE messages.