Sunday, 18 January 2015

protection - Transfering configuration to IEDs using IEC 61850


Sorry if this is a dumb question, but since I don't have much experience with IEC 61850 compliant devices, I am having trouble creating the "big picture" of how the whole system is being configured in practice.


Specifically, I don't understand how the devices which transmit data GOOSE or SV (without mentioning MMS in their datasheets) use the Substation Configuration Language (SCL) in practice, i.e. I cannot seem to find the exact part which mandates how the configuration is transferred to actual devices.



Can somebody clarify which part of the standard describes this? Are these files transmitted over FTP, or over custom vendor (proprietary) protocols, or does MMS provide a way to transmit SCL files in a standardized manner?



Answer



The standardised configuration process is defined in part IEC 61850-6 (along with the SCL itself). In summary:



  • Each device should have an IED Capability Description (ICD) file, possibly generated by the IED online, or provided by the vendor.

  • A software tool should be used to manage and combine multiple ICD files into the full SCD file, and set up things like GOOSE and SV communications between IEDs.

  • Each IED should be configured with the full SCD file. It is possible to transfer files using MMS, but I think it is vendor-specific how the IED is configured from the SCD file.


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