| Summary: | Generic Object Oriented Substation Event (GOOSE) message reflects the transmission of information between many intelligent electronic devices, which is more reliable as original data. The communication Ethernet opaque also leads to a big problem of information extraction analysis, limiting the development of state maintenance and other techniques. This study describes the process equipment and the network transmission technology of the intelligent substation and analyses the specified message format of IEC61850. The study then compares it with the characteristics of the typical intelligent substation message and gives the analysis method and the meaning of each byte in the actual message frame, making the communication network in the process layer more transparent and giving a clear direction of information acquisitions and analysis. It also provides some reference meanings to the intelligent substation communication and the equipment status analysis.
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