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Reliability and availability for substation communication systems using IEC61850

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Authors
Das, Narottam
Singh, Satinderpal
Islam, Syed
Date
2013
Type
Conference Paper

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Das, Narottam and Singh, Satinderpal and Islam, Syed. 2013. Reliability and availability for substation communication systems using IEC61850, in Proceedings of the 2013 IEEE Power & Energy Society General Meeting (ICPE2013), Jul 21-25 2013. Vancouver, Canada: IEEEower & Energy Society.
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Proceedings of the 2013 IEEE Power & Energy Society General Meeting (ICPE2013)
Source Conference
2013 IEEE Power & Energy Society General Meeting (ICPE2013)
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Abstract

The use of IEC 61850 for substation automation system (SAS) has enabled interoperability among the communication devices from different vendors but the IEC 61850 does not specifies any particular type of communication architecture for a particular type of substation and neither it demands any redundancy for even critical substation functions. However, it demands for the communication architecture with zero point of failure. Therefore, it is important to analyse the reliability and availability of the communication topologies used for the SAS. This paper demonstrates how the reliability block diagrams (RBD’s) can be used to calculate the reliability and availability of the different communication topologies for substation automation. Further, the results are compared and analysed to find the most reliable topology for the SAS of a typical substation layout.