IEC TR 61850-90-13:2021

IEC TR 61850-90-13 ®
Edition 1.0 2021-02
TECHNICAL
REPORT
colour
inside
Communication networks and systems for power utility automation –
Part 90-13: Deterministic networking technologies
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IEC TR 61850-90-13 ®
Edition 1.0 2021-02
TECHNICAL
REPORT
colour
inside
Communication networks and systems for power utility automation –

Part 90-13: Deterministic networking technologies

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.200 ISBN 978-2-8322-9283-9

– 2 – IEC TR 61850-90-13:2021 © IEC:2021
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions, abbreviated terms and acronyms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms and acronyms . 11
4 Characteristics of determinism . 13
4.1 Deterministic latency . 13
4.2 Deterministic jitter . 14
5 Problem Statement . 15
5.1 Overview. 15
5.2 Problems with existing technologies . 16
5.3 Improvements in networking communication from using the capabilities of
deterministic communication technologies . 17
5.4 Drawbacks of deterministic networking . 17
5.4.1 General . 17
5.4.2 Change in network design . 18
5.4.3 Changes to the network infrastructure . 18
5.4.4 Change to the network tools . 18
5.4.5 Hardware changes to the IEDs . 18
5.4.6 Change to the IED applications . 18
5.4.7 Change to the standard . 18
5.4.8 Backward compatibility and transition phase . 19
5.5 Survey about problem statement . 19
6 Deterministic networking – support and improvements for existing use cases . 19
6.1 Use cases for the LAN . 19
6.1.1 Requirements . 19
6.1.2 Substation automation . 20
6.1.3 WAN-based use cases . 23
6.1.4 Protection and control for Distributed Energy Resources (DER) . 26
6.1.5 Use cases in which determinism supports non-functional requirements . 28
6.2 New use cases (in substation automation and over the WAN) . 29
6.2.1 Large control loops . 29
6.2.2 Multi-service networks . 30
7 Deterministic networking . 31
7.1 Capabilities and improvements . 31
7.1.1 General . 31
7.1.2 Time synchronization . 31
7.1.3 Quality of service (QoS). 31
7.1.4 Network configuration and management . 32
7.2 Deterministic networking technologies . 32
7.2.1 Deterministic HSR . 32
7.2.2 IEEE 802.1 Time-sensitive networking (TSN) . 34
7.2.3 IETF DetNet . 41
7.2.4 Other technologies . 42

8 Co-existence and interoperability with existing and emerging technologies (and
how to address technology changes) . 47
8.1 Relation of TSN to technologies such as SDN (Software Defined Networking)

and NFV (Network Function Virtualization) . 47
8.2 Relation and interoperability to existing architectures for high-availability and
redundancy based on PRP/HSR . 48
8.3 Relation and interoperability to existing WAN-architectures based on MPLS
(IP/MPLS, MPLS-TP) . 48
8.4 Brownfield deployment options . 48
8.5 Migration path . 49
9 Design consideration for a future utility profile using deterministic networking
technologies . 50
9.1 IEC 61850 traffic patterns and protocols . 50
9.2 Non-IEC 61850 traffic patterns and protocols . 52
9.3 High-availability and reliability . 53
9.4 Deterministic traffic classification . 53
9.5 Conceptual model . 53
9.5.1 General . 53
9.5.2 Utility profile considerations using 802.1 TSN technologies . 54
9.5.3 Specific IEEE 802.1Q-2018 clauses and related amendments . 54
9.5.4 Time synchronization . 54
10 Harmonization of deterministic networking requirements. 54
10.1 IEC 61850-5 . 54
10.2 IEC 61850-9-2 . 54
10.3 IEC/IEEE 61850-9-3 . 54
10.4 IEC TR 61850-90-1 . 55
10.5 IEC/TR 61850-90-2 . 55
10.6 IEC TR 61850-90-4 . 55
10.7 IEC TR 61850-90-12 . 55
11 Impact on application operation . 55
11.1 Scope and dependencies . 55
11.2 Impact on existing applications . 56
11.3 Impact for new applications and application evolution . 56
Annex A (informative)  Related work and liaisons . 57
A.1 IEC/IEEE 60802 TSN-Profile for industrial automation . 57
A.2 IEEE 802.24.1 Smart Grid TG . 58
A.3 IEC SEG8 . 58
A.4 Power utility automation and control applications using 5G technology . 58
Bibliography . 59

Figure 1 – Delay probability for hard- and soft-real-time system . 14
Figure 2 – Low jitter – jitter deterministic delay . 15
Figure 3 – Substation station bus, process bus and traffic example
(IEC TR 61850‑90‑4, Figure 11) . 20
Figure 4 – Substation with Deterministic Ethernet . 21
Figure 5 – Current differential tele-protection system (IEC TR 61850‑90‑12:2015) . 24
Figure 6 – Microgrid with renewable generation, storage and grid infeed . 26
Figure 7 – Multi-Service Networks. 30

– 4 – IEC TR 61850-90-13:2021 © IEC:2021
Figure 8 – Precise sending in HSR . 33
Figure 9 – TSN Components . 34
Figure 10 – Fully Distributed Model . 38
Figure 11 – Hybrid Model . 39
Figure 12 – Central Model . 40
Figure 13 – Topology of a WAN network using VSN . 44
Figure 14 – Frame Struct
...