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The benefits of the coming standard IEC61850 for communication in substations by Lars Andersson and Dr. Klaus-Peter Brand (ABB Power Automation Ltd., Switzerland) (05/2001)

Abstract

The easy exchange of information between all devices in a power control and management system and the free access for all interested parties is a basic requirement for competitive power business today. Easy access to and data exchange within such heterogeneous systems claims for an international communication standard.

The communication in substations, i.e. for substation automation systems has to support the dedicated requirements of the involved functions. Strong real-time behaviour is requested and a high withstand-capability against harsh environmental conditions. The long lifetime of substations claims also for long life cycles of the communication standard.

An open system needs a communication standard not only open for interoperability but also for changes in technology (state-of-the-art) and operation philosophies.

Business today and tomorrow generate more requirements on the substation communication than was the case yesterday. This has called for a new approach in the standardisation of communication. IEC has responded to this with the new standard. Therefore the IEC61850 is the most beneficial solution for future communication networks in substation automation.

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