History
Multiple protocols exist for substation automation, which include many proprietary protocols with custom communication links. Interoperation of devices from different vendors would be an advantage to users of substation automation devices. An IEC project group of about 60 members from different countries worked in three IEC working groups from 1995. They responded to all the concerns and objectives and created IEC 61850. The objectives set for the standard were:
- A single protocol for complete substation considering modelling of different data required for substation.
- Definition of basic services required to transfer data so that the entire mapping to communication protocol can be made future proof.
- Promotion of high interoperability between systems from different vendors.
- A common method/format for storing complete data.
- Define complete testing required for the equipments which conforms to the standard.
Read more about this topic: IEC 61850
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