1、 IEC TR 61850-90-4 Edition 2.0 2020-05 TECHNICAL REPORT Communication networks and systems for power utility automation Part 90-4:Network engineering guidelines IEC TR 61850-90-4:2020-05(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2020 IEC,Geneva,Switzerland All rights reserved
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9、publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC TR 61850-90-4 Edition 2.0 2020-05 TECHNICAL REPORT Communication networks and systems for power utility automation Part 90-4:Network engineering guidelines INTERNATIONAL ELECTRO
10、TECHNICAL COMMISSION ICS 33.200 ISBN 978-2-8322-8137-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TR 61850-90-4:2020 IEC 2020 CONTENTS FOREWORD.14 INTRODUCTION.16 1 Scope
11、.17 1.1 General.17 1.2 Namespace name and version.17 1.3 Code Component distribution.18 2 Normative references.19 3 Terms,definitions,abbreviated terms and conventions.22 3.1 Terms and definitions.22 3.2 Abbreviations.26 3.3 Conventions.28 3.3.1 Network diagram symbols.28 3.3.2 Port and link symbols
12、.29 3.3.3 Bridges symbols.30 4 Overview of IEC 61850 networks.30 4.1 Logical allocation of functions and interfaces.30 4.2 IEC 61850 protocol stack.32 4.2.1 General.32 4.2.2 IEC 61850 traffic classes.32 4.2.3 MMS protocol.33 4.2.4 GOOSE protocol.34 4.2.5 SV protocol.36 4.2.6 R-GOOSE and R-SV.36 4.3
13、Station bus and process bus.37 5 Network design checklist.38 5.1 Design principles.38 5.2 Engineering flow.38 5.3 Checklist to be observed.39 5.3.1 Summary.39 5.3.2 Environmental issues.40 5.3.3 EMI immunity.40 5.3.4 Form factor.40 5.3.5 Physical media.40 5.3.6 Substation application and network top
14、ology.41 5.3.7 Redundancy.41 5.3.8 Reliability,availability,maintainability.41 5.3.9 Logical data flows and traffic patterns.41 5.3.10 Latency for different types of traffic.42 5.3.11 Performance.42 5.3.12 Network management.42 5.3.13 Network supervision.42 5.3.14 Time synchronization and accuracy.4
15、2 5.3.15 Remote connectivity.42 5.3.16 Cyber security.42 5.3.17 Scalability,upgradeability and future-proof.43 5.3.18 Testing.43 IEC TR 61850-90-4:2020 IEC 2020 3 5.3.19 Cost.43 6 Ethernet technology for substations.43 6.1 Ethernet subset for substation automation.43 6.2 Topology.43 6.3 Physical lay
16、er.45 6.3.1 Data rate and medium.45 6.3.2 Full-duplex communication and auto-negotiation.45 6.3.3 Copper cabling at 100 Mbit/s.45 6.3.4 Optical cabling at 100 Mbit/s(100BASE-FX).47 6.3.5 Optical cabling at 1 Gbit/s(1000BASE-LX).49 6.3.6 Copper cabling at 1 Gbit/s.49 6.4 Link layer.49 6.4.1 Unicast and multicast MAC addresses.49 6.4.2 Link layer and bridges.50 6.4.3 Bridging nodes.51 6.4.4 Loop prevention and RSTP.51 6.4.5 Traffic control in the bridges.53 6.4.6 Unicast MAC address filtering.53 6