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Design and Modeling of Substation Time Critical Information Dissemination Model using Publishersubscriber Communication Service Mapping


  • Department of Electronic Engineering, Mehran UET, Jamshoro, Sindh, Pakistan
  • Department of Electrical Engineering, Mehran UET, Jamshoro, Sindh, Pakistan


Objectives: For the efficient and reliable operation, substation IEDs status must be monitored consistently and event information must be disseminated timely between substation levels. Methods/Statistical Analysis: Traditional power grid substations are facing infrastructural, operational, automation, systematic, monitoring and control issues. The smart grid concept and advancement in instrumentation and automation has open up the potential of substation automation system through which substation automation, intelligence and control is achieved, but devices interfacing, interoperability, time critical information exchange, substation devices status monitoring and data dissemination type issues are still in research phase. Findings: In this research work, substation bay level IEDs time critical data information dissemination model is designed by IEC 61850 standard using publisher subscriber communication. Based on IEC 61850 substation devices data object and interfacing models, a novel substation communication service mapping is proposed for the time critical data information dissemination. The proposed communication service mapping is based on abstract service communication interface technique by which an object oriented data and object models and communication service is directly mapped at Ethernet data link layer. Application/Improvements: To disseminate the data message using the proposed communication service an IEEE 802 based Ethernet frame structure is designed and configured using abstract syntax notation one technique.


Data Dissemination, IEC 61850, IEEE Ethernet Frame, Publisher-Subscriber Communication, Substation.

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