IEC 61850
This dataset presents the captures of data packets in Wireshark for the scalability analysis of the Process Bus in Digital Substations based on the traffic of Sampled Values, through connection in redundant local area networks (LAN A and LAN B). LAN A is a 100 Mbps network that is saturated close to 10 Sampled Values suscriptions, while LAN B is a 1Gbps network that is not saturated and is used as a reference for the loss of data packets in each case. Emulated SV data is provided by software and a laboratory signal injector.
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It proposes a lossless and stateless compression method for IEC 61850 Sampled Values flows. A set of bitmaps is introduced to indicate the size in bytes of the sampled currents and voltages, and to flag the presence or absence of the Quality field. The method has been evaluated for different profiles, and it can provide bandwidth savings between 30 and 52%, with a very low computational cost as a counterpart. It has been implemented and tested in two different hardware platforms, with traffic generated by a Merging Unit.
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