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Simulation study on delay of end-to-end data communication for protective relaying in substations

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Frontiers of Electrical and Electronic Engineering in China

Abstract

The end-to-end delay of protective relaying data flow in a substation was studied by dynamic simulation modeling technology. The distribution characteristics of protective relaying data flow and the constitution of the end-to-end delay of messages were analyzed. The simulation model for digital communication between protective relaying equipment and monitoring equipment of interval layer was suggested. The end-to-end delay of protective relaying data flow in different network configurations was analyzed. It is found that the size and interval of the data frame, utilization of the link background and protocols of higher layer are key factors of real-time performance. Detailed analysis results are presented. A proposal for network configuration is suggested to reduce end-to-end delay of protective relaying data flow.

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Author information

Authors and Affiliations

  1. School of Electrical and Electronic Information Engineering, North China Electric Power University, Baoding, 071003, China

    Huisheng Gao, Weiwei Jin & Guang Liu

Authors
  1. Huisheng Gao
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  2. Weiwei Jin
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  3. Guang Liu
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Corresponding author

Correspondence to Huisheng Gao.

Additional information

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Translated from Journal of North China Electric Power University, 2007, 34(1): 101–105 [译自: 华北电力大学学报]

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Gao, H., Jin, W. & Liu, G. Simulation study on delay of end-to-end data communication for protective relaying in substations. Front. Electr. Electron. Eng. Ch 3, 246–250 (2008). https://doi.org/10.1007/s11460-008-0044-0

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  • DOI: https://doi.org/10.1007/s11460-008-0044-0

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