Computer Science

Computer Science ›› 2025, Vol. 52 ›› Issue (11A): 241100111-6.doi: 10.11896/jsjkx.241100111

• Interdiscipline & Application • Previous Articles     Next Articles

Research on Timeliness of Information Flow of Main and Auxiliary Business of Plant and StationUnder Comprehensive Monitoring

ZHOU Zheng1, CHEN Chen1, WANG Song1, SONG Xiaofan1,2   

  1. 1 State Grid Henan Economic Research Institute,Zhengzhou 450000,China
    2 School of Electrical Engineering,Chongqing University,Chongqing 400044,China
  • Online:2025-11-15 Published:2025-11-10
  • About author:ZHOU Zheng,born in 1983,postgra-duate.His main research interest is power systems and automation.
  • Supported by:
    State Grid(5200-202324488A-3-2-ZN).

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Abstract: In order to solve the problem of timeliness of the information flow of main and auxiliary services of plant and station under comprehensive monitoring,the topological model of the information flow of the main and auxiliary services of the plant and station is constructed,the source node,the network node and the host node are abstracted into the transmission structure of the information flow,and the physical connection matrix and the virtual connection matrix are used to represent the physical and logical connection states between the nodes.In four typical business scenarios:circuit breaker failure,network transmission,one-key sequential control,and active and auxiliary linkage,the information flow transmission path and delay characteristics are quantitatively analyzed,and the path bottleneck and optimization requirements in the case of multiple events are identified.The results show that the delay of different service flows increases significantly due to the competition of switch ports,especially in the scenario of high interval number,the path delay shows an increasing trend.Therefore,it is concluded that reasonable optimization of network topology and configuration of priority scheduling strategies can significantly improve the information flow transmission efficiency of primary and secondary services.

Key words: Comprehensive monitoring, Main and auxiliary services of factories and stations, Timeliness of information flow, Topological model

CLC Number: 

  • TP39
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