IEC TR 61850-90-12:2020 

Communication networks and systems for power utility automation - Part 90-12: Wide area network engineering guidelines


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IEC TR 61850-90-12:2020, which is a Technical Report, is intended for an audience familiar with electrical power automation based on IEC 61850 and related power system management, and particularly for data network engineers and system integrators. It is intended to help them to understand the technologies, configure a wide area network, define requirements, write specifications, select components, and conduct tests.
This document provides definitions, guidelines, and recommendations for the engineering of WANs, in particular for protection, control and monitoring based on IEC 61850 and related standards.
This document addresses substation-to-substation communication, substation-to-control centre, and control centre-to-control centre communication. In particular, this document addresses the most critical aspects of IEC 61850 such as protection related data transmission via GOOSE and SMVs, and the multicast transfer of large volumes of synchrophasor data.
The document addresses issues such as topology, redundancy, traffic latency and quality of service, traffic management, clock synchronization, security, and maintenance of the network.
This document contains use cases that show how utilities tackle their WAN engineering. This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) extension of use case with respect to distribution and customer-side applications;
b) extensions of wireless access technologies as well as power line communication ones applicable to the above-mentioned use case;
c) revisions regarding radio communication technology performance;
d) extension of network migration with respect to packet switched network;
e) a new mapping of multiprotocol label switching technology to teleprotection.

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Additional information

Publication typeTechnical Report
Publication date2020-07-28
Available language(s)English
TC/SCTC 57 - Power systems management and associated information exchangerss
ICS33.200 - Telecontrol. Telemetering
Stability date  2024
File size30163 KB

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