🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BSI PD IEC TR 61850-90-4:2020

BSI PD IEC TR 61850-90-4:2020

$256.21

Communication networks and systems for power utility automation – Network engineering guidelines

Published By Publication Date Number of Pages
BSI 2020 362
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Category:

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

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.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
16 FOREWORD
18 INTRODUCTION
19 1 Scope
1.1 General
1.2 Namespace name and version
20 1.3 Code Component distribution
Tables
Table 1 – Attributes of (Tr)IEC 61850-90-4:2018A namespace
21 2 Normative references
24 3 Terms, definitions, abbreviated terms and conventions
3.1 Terms and definitions
28 3.2 Abbreviations
30 3.3 Conventions
3.3.1 Network diagram symbols
31 3.3.2 Port and link symbols
Figures
Figure 1 – Network symbols
Figure 2 – Port symbols
32 3.3.3 Bridges symbols
4 Overview of IEC 61850 networks
4.1 Logical allocation of functions and interfaces
Figure 3 – Bridge symbol as beam
Figure 4 – Bridge symbol as bus
33 Figure 5 – Levels and logical interfaces in grid automation (adapted from IEC 61850-5)
Table 2 – IEC 61850-5 interface definitions
34 4.2 IEC 61850 protocol stack
4.2.1 General
4.2.2 IEC 61850 traffic classes
Figure 6 – IEC 61850 protocol stack
35 4.2.3 MMS protocol
Figure 7 – MMS protocol time/distance chart
36 4.2.4 GOOSE protocol
37 Figure 8 – GOOSE protocol time/space chart
Figure 9 – GOOSE protocol time chart
38 4.2.5 SV protocol
4.2.6 R-GOOSE and R-SV
Figure 10 – Example of SV traffic (4 800 Hz)
39 4.3 Station bus and process bus
40 5 Network design checklist
5.1 Design principles
5.2 Engineering flow
Figure 11 – Station bus, process bus and traffic example
41 5.3 Checklist to be observed
5.3.1 Summary
Figure 12 – Example of engineering flow
42 5.3.2 Environmental issues
5.3.3 EMI immunity
5.3.4 Form factor
5.3.5 Physical media
43 5.3.6 Substation application and network topology
5.3.7 Redundancy
5.3.8 Reliability, availability, maintainability
5.3.9 Logical data flows and traffic patterns
44 5.3.10 Latency for different types of traffic
5.3.11 Performance
5.3.12 Network management
5.3.13 Network supervision
5.3.14 Time synchronization and accuracy
5.3.15 Remote connectivity
5.3.16 Cyber security
45 5.3.17 Scalability, upgradeability and future-proof
5.3.18 Testing
5.3.19 Cost
6 Ethernet technology for substations
6.1 Ethernet subset for substation automation
6.2 Topology
46 Figure 13 – Ethernet LAN (with redundant links)
47 6.3 Physical layer
6.3.1 Data rate and medium
6.3.2 Full-duplex communication and auto-negotiation
6.3.3 Copper cabling at 100 Mbit/s
48 Figure 14 – Bridge with copper (RJ45) ports
Figure 15 – Shielded Cat5e cable
49 6.3.4 Optical cabling at 100 Mbit/s (100BASE-FX)
Figure 16 – RJ45 connector
50 Figure 17 – LC connector
51 6.3.5 Optical cabling at 1 Gbit/s (1000BASE-LX)
6.3.6 Copper cabling at 1 Gbit/s
6.4 Link layer
6.4.1 Unicast and multicast MAC addresses
Figure 18 – Bridge with optical fibres (LC connectors)
52 6.4.2 Link layer and bridges
53 6.4.3 Bridging nodes
6.4.4 Loop prevention and RSTP
54 Figure 19 – RSTP principle
55 6.4.5 Traffic control in the bridges
6.4.6 Unicast MAC address filtering
56 6.4.7 Multicast MAC address filtering
57 6.4.8 Virtual LANs (VLANs) traffic control
58 Figure 20 – IEEE 802.3 frame format without and with VLAN tagging
60 Table 3 – Example of port ingress setting table
Table 4 – Example of port egress settings
61 6.4.9 Comparison VLAN versus multicast filtering
Table 5 – Advantages and drawbacks of VLAN versus multicast filtering
62 6.4.10 Layer 2 redundancy protocols
63 Figure 21 – PRP principle
65 Figure 22 – HSR principle
66 6.5 Network layer
6.5.1 Internet protocol
Figure 23 – HSR and PRP coupling (multicast)
67 6.5.2 IP public and private addresses
6.5.3 Subnet masks
Table 6 – IANA private IP address blocks (copied from RFC 1918)
68 6.5.4 Network address translation
7 Network and substation topologies
7.1 General rule
Table 7 – IP address and mask example
69 7.2 Connection of the SCADA
Figure 24 – Mapping of electrical grid to data network topology
70 7.3 Reference topologies and network redundancy
Figure 25 – Example of substation with separation of the station bus into two sections
71 Table 8 – Summary of reference topologies
72 Table 9 – Reference topologies and redundancy protocols used
73 7.4 Reference topologies
7.4.1 Station bus topologies
74 Figure 26 – Station bus as single bridge
Table 10 – Station bus as single bridge
75 Figure 27 – Station bus as hierarchical star
Table 11 – Station bus as hierarchical star
76 Figure 28 – Station bus as dual star with PRP
77 Table 12 – Station bus as dual star
78 Figure 29 – Station bus as ring of RSTP bridges
Table 13 – Station bus as ring
79 Figure 30 – Station bus as separated Main 1 (Bus 1) and Main 2 (Bus 2) LANs
80 Table 14 – Station bus as separated Main 1 and Main 2 protection
81 Figure 31 – Station bus as ring of HSR bridging nodes
Table 15 – Station bus as ring of bridging nodes
82 Figure 32 – Station bus as ring and subrings with RSTP
83 Table 16 – Station bus as ring and subrings
84 Figure 33 – Station bus as parallel rings with bridging nodes
Table 17 – Station bus as parallel rings
85 Figure 34 – Station bus as parallel HSR rings
Table 18 – Station bus as parallel HSR rings
86 Figure 35 – Station bus as hierarchical rings with RSTP bridging nodes
87 Table 19 – Station bus as ring of rings with RSTP
88 Figure 36 – Station bus as hierarchical rings with HSR bridging nodes
89 Table 20 – Station bus as ring of rings with HSR
90 Figure 37 – Station bus as ring and subrings with HSR
Table 21 – Station bus as ring and subrings with HSR
91 7.4.2 Process bus and attachment of primary equipment
92 Figure 38 – Double busbar bay with directly attached sensors
93 Figure 39 – Double busbar bay with SAMUs and process bus
94 Figure 40 – Double busbar bay with ECT/EVTs and process bus
95 Figure 41 – 1 ½ CB diameter with conventional, non-redundant attachment
96 Figure 42 – 1 ½ CB diameter with SAMUs and process bus
97 Figure 43 – 1 ½ CB diameter with ECT/EVT and process bus
98 Figure 44 – Process bus as connection of PIA and PIB (non-redundant protection)
99 Table 22 – Process bus as connection of PIA and PIB
100 Figure 45 – Process bus as single star (not redundant protection)
101 Table 23 – Process bus as single star
102 Figure 46 – Process bus as dual star
Table 24 – Process bus as dual star
103 Figure 47 – Process bus as a single bridge (no protection redundancy)
104 Table 25 – Process bus as single bridge
105 Figure 48 – Process bus as separated LANs for main 1 and main 2
106 Table 26 – Process bus as separated LANs
107 Figure 49 – Process bus as ring of HSR nodes
108 7.4.3 Station bus and process bus connection
Table 27 – Process bus as simple ring
Table 28 – Advantages and drawbacks of physical separation
109 Table 29 – Advantages and drawbacks of logical separation
110 Figure 50 – Process bus as star to merging units and station bus as RSTP ring
Table 30 – Process bus as star to merging units
112 Figure 51 – Station bus and process bus as rings connected by a router
Table 31 – Connection of station bus to process bus by routers
113 Figure 52 – Station bus ring and process bus ring with HSR
114 Table 32 – Connection of station bus to process bus by RedBoxes
115 Figure 53 – Station bus as dual PRP ring and process bus as HSR ring
Table 33 – Connection of duplicated station bus to process bus by RedBoxes
116 8 Addressing in the substation
8.1 Network IP address plan for substations
8.1.1 General structure
8.1.2 IP address allocation of NET
117 8.1.3 IP address allocation of BAY
8.1.4 IP address allocation of device
Table 34 – Example IP address allocation of NET
Table 35 – Example IP address allocation of BAY
118 8.1.5 IP address allocation of devices with PRP
8.2 Routers and GOOSE / SV traffic
Table 36 – Example IP address allocation of device
Table 37 – Example IP address allocation of switches in PRP
119 8.3 Communication outside the substation
9 Application parameters
9.1 MMS parameters
9.2 GOOSE parameters
120 9.3 SV parameters
10 Performance
10.1 Station bus performance
10.1.1 Logical data flows and traffic patterns
121 Table 38 – IEC 61850-5 interface traffic
122 10.1.2 GOOSE traffic estimation
10.1.3 MMS traffic estimation
Table 39 – Message types and addresses
123 10.1.4 station bus measurements
Figure 54 – Station bus used for the measurements
124 10.2 Process bus performance
Figure 55 – Typical traffic (packet/s) on the station bus
125 11 Latency
11.1 Application requirements
11.2 Latency and determinism
126 Figure 56 – Example of latency in function of traffic
127 11.3 Latency requirements for different types of traffic
11.3.1 Latency requirements in IEC 61850-5
11.3.2 Latencies of physical paths
11.3.3 Latencies of bridges
Table 40 – Latency requirements of IEC 61850-5
Table 41 – Elapsed time for an IEEE 802.3 frame to traverse the physical medium
128 11.3.4 Latency and hop counts
11.3.5 Network latency budget
Table 42 – Delay for an IEEE 802.3 frame to ingress or to egress a port
129 11.3.6 Example of traffic delays
11.3.7 Engineering a network for IEC 61850 protection
Table 43 – Latencies caused by waiting for a lower-priority frame to egress a port
130 12 Network traffic control
12.1 Factors that affect performance
12.1.1 Influencing factors
12.1.2 Traffic reduction
Figure 57 – Generic multicast domains
131 12.1.3 Example of traffic reduction scheme
132 12.1.4 Multicast domains in a combined station bus and process bus network
Figure 58 – Traffic patterns
133 12.2 Traffic control by VLANs
12.2.1 Trunk traffic reduction by VLANs
Figure 59 – Multicast domains for a combined process bus and station bus
134 12.2.2 VLAN usage
12.2.3 VLAN handling at the IEDs
12.2.4 Example of correct VLAN configuration
135 12.2.5 Example of incorrect VLAN configuration
Figure 60 – Bridges with correct VLAN configuration
136 Figure 61 – Bridges with poor VLAN configuration
137 12.2.6 Retaining priority throughout the network
12.2.7 Traffic filtering with VLANs
138 12.3 Traffic control by multicast filtering
12.3.1 Trunk traffic reduction by multicast filtering
Figure 62 – Bridges with traffic segmentation through VLAN configuration
139 12.3.2 Multicast/VLAN management and redundancy protocol reconfiguration
12.3.3 Physical topologies and multicast management implications
Figure 63 – Station bus separated into multicast domains by voltage level
140 Figure 64 – Multicast traffic on an RSTP ring
141 Figure 65 – RSTP station bus and HSR ring
142 12.3.4 Connecting two HSR RedBoxes over an RSTP network
12.4 Configuration support from tools and SCD files
Figure 66 – RSTP station bus and HSR process bus
143 13 Dependability
13.1 Resiliency requirements
13.2 Availability and reliability requirements
144 13.3 Recovery time requirements
13.4 Maintainability requirements
13.5 Dependability calculations
145 13.6 Risk analysis attached to “unwanted events”
14 Time services
14.1 Clocks
14.1.1 Relative and absolute clocks
146 14.1.2 Absolute time sources
14.1.3 Clock synchronization and accuracy requirements
147 14.1.4 Expressing the clock accuracy
Figure 67 – Clock quality definitions
148 14.2 Time Scales
14.2.1 Definition of the second
Figure 68 – Deviation between atomic day and Earth day (source: Wikipedia, modified)
149 14.2.2 Time scales
14.2.3 Time representation
150 14.2.4 Leap second handling
Figure 69 – TAI, UTC and UT1 time scales
151 Figure 70 – Example of BIMP bulletin (Source: BIMP)
152 Table 44 – Two representations of a positive leap second
153 Figure 71 – Leap second transition at UTC midnight according to BIMP
154 14.3 Synchronization in IEC 61850
14.3.1 Time synchronization requirements in IEC 61850-5
Table 45 – Synchronization classes (taken from IEC 61850-5)
155 14.3.2 Time representation objects in IEC 61850 objects
Table 46 – Network time synchronization classes
156 Table 47 – Time representations in IEC 61850
157 14.4 Clock synchronization protocols
14.4.1 General
14.4.2 1 PPS
14.4.3 IRIG-B
Figure 72 – 1 PPS synchronisation
158 14.4.4 SNTP clock synchronization for IEC 61850-8-1 (station bus)
159 Figure 73 – SNTP clock synchronization and delay measurement
160 14.4.5 PTP (IEC 61588) synchronization
161 Figure 74 – PTP elements
162 Figure 75 – PTP clock correction and peer delay measurement (one-step)
164 Figure 76 – PTP two-step clock correction and peer delay measurement
165 Figure 77 – Clock accuracy degradation in a chain of TCs
169 Figure 78 – Doubly attached clocks in a PRP network
171 Figure 79 – Clocks in a PRP network coupled by BCs with an HSR ring
173 Figure 80 – Hierarchy of clocks
174 14.5 Merging units synchronization
14.6 Degraded situation upon loss of reference
175 14.7 Clock synchronization architecture and testing
176 15 Network security
16 Network management
16.1 Protocols for network management
Figure 81 – Clock synchronization distribution
177 16.2 Network management tool
16.3 Network diagnostic tool
178 17 Remote connectivity
18 Network testing
18.1 Introduction to testing
179 18.2 Environmental type testing
Figure 82 – Quality assurance stages (copied from IEC 61850-4)
180 18.3 Conformance testing
18.3.1 Protocols subject to conformance testing
18.3.2 Integrator acceptance and verification testing
18.3.3 Basic verification test set-up
Table 48 – Standards applicable to network elements
181 18.3.4 Basic VLAN handling test
Figure 83 – Test set-up for verification test
182 18.3.5 Basic priority tagging test
18.3.6 Basic multicast handling test
18.3.7 Basic RSTP recovery test
183 18.3.8 Basic PRP test
184 18.3.9 Basic HSR test
Figure 84 – Test set-up for PRP and PUP
185 18.3.10 Basic IEC/IEEE 61850-9-3 test
Figure 85 – Test set-up for HSR and PUP
186 18.3.11 Basic PTP TC test
18.3.12 Basic PTP BC test
18.4 Factory and site acceptance testing
187 19 IEC 61850 bridge and port object model
19.1 Purpose
188 19.2 Bridge model
19.2.1 Simple model
189 Figure 86 – Multiport device model
190 19.2.2 Bridge Logical Node linking
191 19.3 Clock model
19.3.1 General clock model
Figure 87 – Linking of bridge objects
192 19.3.2 Simple clock model
Figure 88 – General clock model in a device
193 Figure 89 – Clock model for OC and BC
194 19.3.3 PTP datasets
19.3.4 PTP clock objects
19.3.5 Linking of clock objects
195 19.3.6 PTP TC objects
Figure 90 – Ordinary Clock and Boundary Clock objects
196 Figure 91 – Transparent Clock objects
197 19.4 Autogenerated IEC 61850 objects
19.4.1 Conditions for element presence
Figure 92 – Transparent Clock linking
198 Table 49 – Conditions for presence of elements within a context
200 19.4.2 Abbreviated terms used in data object names
19.4.3 Logical nodes
Table 50 – Normative abbreviations for data object names
201 Figure 93 – Class diagram LogicalNodes_90_4::LogicalNodes_90_4
202 Figure 94 – Class diagram LNGroupL::LNGroupLExt
203 Figure 95 – Class diagram LNGroupL::LNGroupLNew1
204 Figure 96 – Class diagram LNGroupL::LNGroupLNew2
205 Table 51 – Data objects of ClockPortLN
206 Table 52 – Data objects of PortBindingLN
Table 53 – Data objects of PTPClockLN
207 Table 54 – Data objects of LCCHExt
208 Table 55 – Data objects of LPHDExt
209 Table 56 – Data objects of LTIMExt
210 Table 57 – Data objects of LBRI
211 Figure 97 – Usage of Multicast MAC Filtering
212 Table 58 – Data objects of LCMF
213 Figure 98 – Usage of VLAN filtering
Table 59 – Data objects of LCVF
214 Table 60 – Data objects of LPCP
215 Table 61 – Data objects of LPMS
216 Table 62 – Data objects of LTPC
218 Table 63 – Data objects of LTTC
219 Table 64 – Data objects of LTPP
220 Table 65 – Data objects of LTTP
221 Table 66 – Data objects of LBSP
222 Table 67 – Data objects of LPLD
223 19.4.4 Data semantics
Table 68 – Attributes defined on classes of LogicalNodes_90_4 package
227 19.4.5 Enumerated data attribute types
Table 69 – Literals of RstpStateKind
Table 70 – Literals of VlanTagKind
228 Table 71 – Literals of PortStKind
Table 72 – Literals of ChannelRedundancyKind
229 19.5 Mapping of bridge objects to SNMP
19.5.1 Mapping of LLN0 and LPHD attributes to SNMP
Table 73 – Literals of LdpPortCfgKind
Table 74 – Mapping of LLN0 and LPHD attributes to SNMP
230 19.5.2 Mapping of LBRI attributes to SNMP for bridges
19.5.3 Mapping of LPCP attributes to SNMP for bridges
Table 75 – Mapping of LBRI and LBSP attributes to SNMP for bridges
Table 76 – Mapping of LPCP attributes to SNMP for bridges
231 19.5.4 Mapping of LPLD attributes to SNMP for bridges
19.5.5 Mapping of HSR/PRP link redundancy entity to SNMP
Table 77 – Mapping of LPLD attributes to SNMP for bridges
232 19.6 Mapping of clock objects to the IEC 61588 Datasets and IEC 62439-3 SNMP MIB
Table 78 – Mapping of LCCH attributes for SNMP for HSR/PRP LREs
Table 79 – Mapping of clock objects in IEC 61850, IEC 61588 and IEC 62439-3:2016, Annex E
234 19.7 Machine-readable description of the bridge objects
19.7.1 Method and examples
235 19.7.2 Simple IED with PTP
Figure 99 – Simple IED with PTP but no LLDP support
236 19.7.3 Four-port bridge
Figure 100 – Four-port bridge
237 19.7.4 RedBox wit HSR
Figure 101 – RedBox with LLDP but no PTP
238 19.7.5 Connected PRP and HSR networks.
Figure 102 – Coupled PRP and HSR networks
309 Annex A (informative)Case study – Process bus configurationfor busbar protection system
A.1 General
A.1.1 Process bus for busbar protection
A.1.2 Preconditions for case studies
310 A.1.3 Case studies
Figure A.1 – Preconditions for the process bus configuration example
311 A.1.4 Calculation scheme for case 1-a
Table A.1 – Summary of expected latencies
312 A.2 Solutions
A.2.1 Potential solutions
A.2.2 Reduction of sampling rate
A.2.3 Increasing the transmission speed
A.2.4 Controlling the traffic
A.2.5 Partitioning the network
A.2.6 Conclusions
313 Annex B (informative)Case study – Simple topologies(Transener/Transba, Argentina)
B.1 Transba architecture and topology – 132 kV substations
Figure B.1 – First Ethernet-based Transba substation automation network
314 B.2 Transener architecture and topology – 500 kV substations
Figure B.2 – Transba SAS architecture
315 B.3 Transener SAS architectures – Esperanza
Figure B.3 – Transener substation automation network
316 B.4 Transener SAS architectures – El Morejón
317 Figure B.4 – Transener SAS architecture – ET Esperanza
318 Figure B.5 – Transener 500 kV architecture – El Morejón
319 Figure B.6 – 500 kV kiosk topology
320 Figure B.7 – 33 kV kiosk topology
321 Annex C (informative)Case study – An IEC 61850 station bus(Powerlink, Australia)
C.1 Normative aspects
C.2 Substation layout and topologies
C.2.1 Reference substation: 275 kV / 132 kV
C.2.2 Substation sizes
Figure C.1 – Example HV and LV single line diagram and IEDs
322 C.2.3 Physical site layout considerations
C.2.4 Panel layout for a bay
Table C.1 – Site categories HV
Table C.2 – Site categories MV
323 C.2.5 HV building modules
Figure C.2 – HV bay and cabinet module
Table C.3 – Building modules
324 C.3 Requirements put on the network
C.3.1 Requirement classes
C.3.2 Connectivity requirements
C.3.3 Redundancy requirements
325 C.3.4 Quality of Service requirements
C.3.5 Components (hardware and software)
C.4 Equipment Selection
C.4.1 Criteria
C.4.2 Physical links
326 C.4.3 Node connections
C.4.4 Core router firewall
C.4.5 Core bridge
C.5 Data network topologies
C.5.1 Separate and common data network
327 Figure C.3 – Data network areas
328 Table C.4 – Network modules
329 Figure C.4 – Substation LAN topology
330 C.5.2 Station bus (station functions) or SCADA gateway / HMI
Figure C.5 – SAS Gen1 High level traffic flows
331 C.5.3 Station core
C.5.4 Transformer protection over the network
Figure C.6 – SCADA & gateway connection
Figure C.7 – Station Core
332 C.5.5 Automated voltage regulation (AVR)
C.5.6 External connections
C.5.7 Segmentation requirements
333 C.5.8 Station bus and bay domains
Figure C.8 – Overall VLANs
Figure C.9 – Three domains
334 C.5.9 Multicast filtering
Figure C.10 – One domain per diameter, bus zone and transformer protection
Table C.5 – Domain assignment for three domains
Table C.6 – Domain assignment for one domain per diameter
335 C.5.10 Use of VLANs
C.5.11 IP addressing
C.6 Estimation of the traffic flow
C.6.1 Types of traffic
C.6.2 GOOSE
C.6.3 MMS traffic estimate
C.6.4 Other services
336 C.7 Latencies
C.8 Conclusion
Table C.7 – Summary of expected latencies
Table C.8 – Traffic types and estimated network load
337 Annex D (informative)Case study – Station bus with VLANs(Trans-Africa, South Africa)
D.1 General
D.1.1 Normative aspects
D.1.2 Background
D.1.3 Electrical network overview
338 D.1.4 Substation communication overview
D.1.5 Design and project objectives
D.2 Conceptual design
D.2.1 Substation automation networks
339 D.2.2 Design parameters
D.2.3 Network topology and redundancy
340 Figure D.1 – Conceptual topology of substationLAN network with redundancy
341 D.2.4 Interface standards
Figure D.2 – Detailed topology of substation LAN with redundancy
342 Table D.1 – VLAN numbering and allocation
343 D.2.5 Inter-VLAN routing
D.2.6 Network quality of service policies
D.2.7 IP Traffic prioritization and differentiated services (DiffServ)
Table D.2 – Prioritization selection for various applications
344 D.2.8 Packet classification
D.2.9 Packet marking
Figure D.3 – Original IPv4 Type of Service (ToS) octet
Table D.3 – Mapping of applications to service levels
345 Figure D.4 – Differentiated Services (DiffServ) codepoint field
Table D.4 – List of DiffServ codepoint field values
346 D.2.10 Network IP addressing and device allocations
Table D.5 – Example of DSCP to class of service mapping
Table D.6 – Example of DSCP mappings
Table D.7 – Typical substation IP Address map (IP range: 10.0.16.0/21)
347 D.2.11 IP Address management
D.2.12 Network coupling
D.2.13 Routing requirements and WAN Interfacing
D.2.14 Network time synchronization
D.2.15 Network time protocol (SNTP)
D.2.16 Device management philosophy
349 D.3 Detailed design: solution specifications for substation-A
D.3.1 General
D.3.2 Physical environment
Table D.8 – SNMP MIBs applicable to substation devices
350 Table D.9 – Example of device naming
351 D.3.3 Local area network
Table D.10 – Example of interface addressing and allocation
Table D.11 – Example of device access and SNMP assignment
352 Table D.12 – Example of hardware identification
353 Table D.13 – Example of device name table
Table D.14 – Example of firmware and software table
354 Table D.15 – Example of interface addressing and allocation
Table D.16 – Example of network switch details
Table D.17 – Example of VLAN definitions
355 Table D.18 – Example of IP routing
Table D.19 – Example of QoS mapping
356 Table D.20 – Example of trunk and link aggregation table (void)
Table D.21 – LAN switch port speed and duplex configuration
357 Table D.22 – LAN switch port security settings
358 Table D.23 – Example of DHCP snooping
Table D.24 – Example of storm control table
359 Bibliography

Related products

BSI PD IEC TR 61850-90-4:2020
$256.21