The power substation is the backbone enterprise of the electric power sector, which bears the burden of the production and construction of the power grid lines. The electrical equipment in the station is close, the lines are complicated, and the nodes and large transformers are countless. It is the key department of the safety prevention of the electric power sector.With the development of science and technology,   the technology of on-line monitoring and condition maintenance has been widely used in the production management of power system, and has become an advancedtechnical means for the healthy and stable operation of power grid.

Yuhang YH6248GST4-SFP is used in the intelligent substation monitoring system. 

Monitoring A,B double network, station control layer and system layer two layer one network mode, the whole station one network to the end, change the bus straight  mining straight jump mode using net mining network jump.Monitoring A, B double network well ensure the stability and redundancy of data collection.Intelligent IED   equipment protection unit, and unit directly connected with the switch or protectionmonitoring equipment directly, and then through A,B network station control layer,  connected to the server, monitoring host, movement workstation and remote control center, the realization of the station information integration and remote control.

Topology diagram：Intelligent substation monitoring system realizes information integration and remote control of the whole station.

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