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  • BSI
    PD IEC TR 61850-90-4:2020 Communication networks and systems for power utility automation - Network engineering guidelines
    Edition: 2020
    $641.56
    / user per year

Description of PD IEC TR 61850-90-4:2020 2020

1.1 General

This part of IEC 61850, which is a Technical Report, is intended for an audience familiar with network communication and/or IEC 61850-based systems and particularly for substation protection and control equipment vendors, network equipment vendors and system integrators.

This document focuses on engineering a local area network limited to the requirements of IEC 61850-based substation automation. It outlines the advantages and disadvantages of different approaches to network topology, redundancy, clock synchronization, etc. so that the network designer can make educated decisions. In addition, this document outlines possible improvements to both substation automation and networking equipment.

This document addresses data transfer over the network in IEC 61850, such as transmitting tripping commands for protection via GOOSE messages, and in particular the multicast data transfer of large volumes of sampled values (SV) from merging units (MUs).

This document considers seamless redundancy to increase the network availability under failure conditions and the high precision clock synchronization that is central to the process bus and synchrophasor operation.

This document is not intended as a tutorial on networking or on IEC 61850. Rather, it references and summarizes standards and publications to assist the engineers. Many publications discuss the Ethernet technology but do not address the networks in terms of substation automation. Therefore, many technologies and options have been ignored since they were not considered relevant for a future-proof substation automation network design.

This document does not address network-based security, which is the subject of IEC 62351 and IEC 62443.

This document does not address technologies for wide area networks; these are covered by IEC TR 61850-90-12. Guidelines for communication outside of the substation that uses exclusively the routable Internet Protocol have been published, especially in documents IEC TR 61850-90-1 (substation to substation), IEC TR 61850-90-2 (substation to control center) and IEC TR 61850-90-5 (synchrophasor transmission). However, data flows used in substationto- substation communication, or substation-to-control centre communication such as R-GOOSE and R-SV are covered when they transit over Ethernet links within the substation.

This document does not dispense the responsible system integrator from an analysis of the actual application configuration, which is the base for a dependable system.



Standard NumberPD IEC TR 61850-90-4:2020
TitleCommunication networks and systems for power utility automation - Network engineering guidelines
StatusDefinitive
Publication Date2020-06-08
ReplacesPD IEC/TR 61850-90-4:2013
Identical National Standard OfIEC TR 61850-90-4:2020
CorrectsPD IEC TR 61850-90-4:2020
DescriptorsAutomation, Telecommunication systems, Electric power transmission networks, Telecommunication, Communication networks
ICS33.200 Telecontrol. Telemetering
CommitteePEL/57
ISBN978 0 539 14186 3
PublisherBSI
Pages362

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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