IEC TR 61850-1:2003

Communication networks and systems in substations - Part 1: Introduction and overview

Is a technical report applicable to substation automation systems. Defines the communication between intelligent electronic devices in the substation and the related system requirements. Gives an introduction and overview of the IEC 61850 standard series; refers to and includes text and figures from other parts of the IEC 61850 series.
This publication is of core relevance for Smart Grid.

General Information

• Status: Published
• Publication Date: 27-Apr-2003
• ICS: 33.200 - Telecontrol. Telemetering
• Technical Committee: TC 57 - Power systems management and associated information exchange
• Drafting Committee: WG 10 - TC 57/WG 10
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 14-Mar-2013

Relations

• Revised: IEC TR 61850-1:2013 - Communication networks and systems for power utility automation - Part 1: Introduction and overview
• Effective Date: 05-Sep-2023

Standards Content (Sample)

TECHNICAL IEC
REPORT
TR 61850-1
First edition
2003-04
Communication networks and systems
in substations –
Part 1:
Introduction and overview
Réseaux et systèmes de communication dans les postes –
Partie 1:
Introduction et vue d’ensemble
Reference number
IEC/TR 61850-1:2003(E)
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
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base publication incorporating amendment 1 and the base publication incorporating
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TECHNICAL IEC
REPORT
TR 61850-1
First edition
2003-04
Communication networks and systems
in substations –
Part 1:
Introduction and overview
Réseaux et systèmes de communication dans les postes –
Partie 1:
Introduction et vue d’ensemble
 IEC 2003  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
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Commission Electrotechnique Internationale
W
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue

– 2 – TR 61850-1  IEC:2003(E)
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Reference documents . 6
3 Terms, definitions and abbreviations. 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 9
4 Objectives. 9
5 History.11
6 Approach to the elaboration of an applicable standard.12
6.1 General .12
6.2 Functions and logical nodes .12
6.3 Substation topologies .16
6.4 Dynamic scenarios .17
6.5 Requirements for a physical communication system .17
7 How to cope with fast innovation of communication technology.18
7.1 Independence of communication from application .18
7.2 Data modelling and services .19
8 General system aspects.20
8.1 Motivation.20
8.2 Engineering-tools and parameters .20
8.3 Substation automation system configuration language.21
8.4 Quality and life-cycle management .22
8.5 General requirements .22
9 Conformance testing.23
10 Structure and contents of the standard series .23
Annex A (informative) Types of substations and communication bus structures.26
Annex B (informative) Documents which have been considered in the IEC 61850
series .36
Figure 1 – Logical interfaces of an SAS.11
Figure 2 – Interface model of a substation automation system .13
Figure 3 – Relationship between functions, logical nodes, and physical nodes
(examples) .14
Figure 4 – Types of MV and HV substations.16
Figure 5 – Mapping of logical interfaces to physical interfaces; mapping of logical
interface 8 to the station bus .17
Figure 6 – Mapping of logical interfaces to physical interfaces; mapping of logical
interface 8 to the process bus .18
Figure 7 – Basic reference model.19
Figure 8 – The modelling approach of the IEC 61850 series.20
Figure 9 – Exchange of system parameters.21
Figure 10 – Periods for delivery obligations (example) .22
Figure A.1 – Examples of typical single line diagram for type D1.27

TR 61850-1  IEC:2003(E) – 3 –
Figure A.2 – Examples of typical single line diagrams for type D2 .27
Figure A.3 – Example of typical single line diagram for type D3.28
Figure A.4 – Examples of typical single line diagrams for type T1 .28
Figure A.5 – Example of typical single line diagram for type T2.29
Figure A.6 – Possible locations of current and voltage transformers in substation D2-2.32
Figure A.7 – Assignment of bay units (example).32
Figure A.8 – Typical protection zones .33
Figure A.9 – Alternative solutions for the process level communication bus.34
Table 1 – Types of messages.15
Table 2 – Calculated information flow at logical interfaces (example) .17
Table A.1 – Types of substations and interfaces used .30
Table A.2 – Types of substations and functions used .31

– 4 – TR 61850-1  IEC:2003(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
COMMUNICATION NETWORKS AND SYSTEMS
IN SUBSTATIONS –
Part 1: Introduction and overview
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International
Organization for Standardization (ISO) in accordance with conditions determined by agreement between the
two organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this technical report may be the subject of
patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
The main task of IEC technical committees is to prepare International Standards. However,
a technical committee may propose the publication of a technical report when it has collected
data of a different kind from that which is normally published as an International Standard,
for example “state of the art”.
IEC 61850-1, which is a technical report, has been prepared by IEC technical committee 57:
Power system control and associated communications
The text of this technical report is based on the following documents:
Enquiry draft Report on voting
57/524/CDV 57/561/RVC
Full information on the voting for the approval of this technical report can be found in the
report on voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

TR 61850-1  IEC:2003(E) – 5 –
IEC 61850 consists of the following parts, under the general title Communication networks
and systems in substations .
Part 1: Introduction and overview
Part 2: Glossary
Part 3: General requirements
Part 4: System and project management
Part 5: Communication requirements for functions and device models
Part 6: Configuration description language for communication in electrical substations
related to IEDs
Part 7-1: Basic communication structure for substation and feeder equipment – Principles
and models
Part 7-2: Basic communication structure for substation and feeder equipment – Abstract
communication service interface (ACSI)
Part 7-3: Basic communication structure for substation and feeder equipment – Common
data classes
Part 7-4: Basic communication structure for substation and feeder equipment – Compatible
logical node classes and data classes
Part 8-1: Specific communication service mapping (SCSM) – Mappings to MMS (ISO/IEC
9506-1 and ISO/IEC 9506-2) and to ISO/IEC 8802-3
Part 9-1: Specific communication service mapping (SCSM) – Sampled values over serial
unidirectional multidrop point to point link
Part 9-2: Specific communication service mapping (SCSM) – Sampled values over
ISO/IEC 8802-3
Part 10: Conformance testing
This part is an introduction and overview of the IEC 61850 standard series. It describes the
philosophy, the work approach, the contents of the other parts, and documents of other
bodies which have been reviewed.
The committee has decided that the contents of this publication will remain unchanged until
2005. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
___________
For more details, see Clause 10.
Under consideration.
To be published.
– 6 – TR 61850-1  IEC:2003(E)
COMMUNICATION NETWORKS AND SYSTEMS
IN SUBSTATIONS –
Part 1: Introduction and overview
1 Scope
This technical report is applicable to substation automation systems (SAS). It defines the
communication between intelligent electronic devices (IEDs) in the substation and the related
system requirements.
This part gives a
...