IEC 61400-25-1:2017

Wind energy generation systems - Part 25-1: Communications for monitoring and control of wind power plants - Overall description of principles and models

IEC 61400-25-1:2017 gives an overall description of the principles and models used in the IEC 61400­25 series, which is designed for a communication environment supported by a client-server model. Three areas are defined, that are modelled separately to ensure the scalability of implementations: wind power plant information models, information exchange model, and mapping of these two models to a standard communication profile. This new edition includes the following significant technical changes with respect to the previous edition: general harmonization of text and overview models with the other parts of the IEC 61400­25 series, harmonization of definitions in other related standards.

Systèmes de génération d'énergie éolienne - Partie 25-1: Communications pour la surveillance et la commande des centrales éoliennes - Description globale des principes et des modèles

L’IEC 61400-25-1:2017 fournit une description globale des principes et des modèles utilisés dans la série IEC 61400-25, qui est conçue pour un environnement de communication fondé sur un modèle client-serveur. Trois domaines sont définis, qui sont modélisés séparément pour assurer l’extensibilité des systèmes mis en œuvre: les modèles d’information des centrales éoliennes, le modèle d’échange d’information, et le mapping des deux modèles précédents à un profil de communication normalisé. Cette nouvelle édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: harmonisation générale du texte et des modèles présentés avec les autres parties de la série IEC 61400-25, harmonisation des définitions des autres normes connexes.

General Information

• Status: Published
• Publication Date: 19-Jul-2017
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 27.180 - Wind turbine energy systems
• Technical Committee: TC 88 - Wind energy generation systems
• Drafting Committee: JWG 25 - TC 88/JWG 25
• Current Stage: PPUB - Publication issued
• Start Date: 05-Jun-2017
• Completion Date: 20-Jul-2017

Relations

• Revises: IEC 61400-25-1:2006 - Wind turbines - Part 25-1: Communications for monitoring and control of wind power plants - Overall description of principles and models
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 61400-25-1 ®
Edition 2.0 2017-07
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Wind turbines energy generation systems –
Part 25-1: Communications for monitoring and control of wind power plants –
Overall description of principles and models

All rights reserved. Unless otherwise specified, 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
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

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IEC 61400-25-1 ®
Edition 2.0 2017-07
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Wind turbines energy generation systems –

Part 25-1: Communications for monitoring and control of wind power plants –

Overall description of principles and models

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.180 ISBN 978-2-8322-4656-6

– 2 – IEC 61400-25-1:2017 RLV © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 9
2 Normative references . 10
3 Terms and definitions . 11
4 Abbreviated terms . 16
5 Overall description of IEC 61400-25 (all parts). 16
5.1 General . 16
5.2 Top-down view on wind power plants . 17
5.2.1 Definition of wind power plants . 17
5.2.2 Wind power plant components . 17
5.3 Generic requirements on communication . 18
5.3.1 Communication capability . 18
5.3.2 Communication content . 18
5.3.3 Communication functions . 19
5.4 Communication model of IEC 61400-25 (all parts) . 20
5.4.1 General . 20
5.4.2 Information model . 20
5.4.3 Information exchange model and relation to wind power plant
information models . 22
5.4.4 Mapping to communication profile . 23
6 Wind power plant information model . 23
6.1 General . 23
6.2 Information modelling methodology . 23
6.2.1 Wind power plant information . 23
6.2.2 Modelling approach . 24
6.2.3 Logical devices . 26
6.2.4 Logical nodes . 26
7 Wind power plant information exchange model . 28
7.1 General . 28
7.2 Information exchange modelling methodology . 28
7.2.1 Wind power plant information exchange . 28
7.2.2 Service models . 29
7.2.3 Abstract communication service interface . 29
7.2.4 Service modelling convention . 31
8 Mapping to communication protocols . 34
8.1 General . 34
8.2 Architecture of the mappings. 34
8.3 Mapping of the wind power plant information model . 35
Bibliography . 36

Figure 1 – Conceptual communication model of the IEC 61400-25 series . 10
Figure 2 – Data processing by the server (conceptual) . 21
Figure 3 – Modelling approach (conceptual) . 22
Figure 4 – Structure of wind power plant information model . 25

Figure 5 – Role of common data classes (CDC) in WPP information model . 26
Figure 6 – Client and server role . 28
Figure 7 – IEM service models . 29
Figure 8 – Conceptual information exchange model for a wind power plant . 30
Figure 9 – IEM service model with examples . 32
Figure 10 – Sequence diagram . 33
Figure 11 – ACSI mapping to communication stacks/profiles . 34
Figure 12 – Communication profiles . 35

Table 1 – Operational functions . 19
Table 2 – Management functions . 20
Table 3 – Wind power plant information categories . 24
Table 4 – General table structure of a logical node (LN) . 27
Table 5 – Data class attributes in a logical node . 27
Table 6 – Service table . 32

– 4 – IEC 61400-25-1:2017 RLV © IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
WIND TURBINES ENERGY GENERATION SYSTEMS –

Part 25-1: Communications for monitoring and control of
wind power plants – Overall description of principles and models

FOREWORD
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International Standard IEC 61400-25-1 has been prepared by IEC technical committee 88:
Wind energy generation systems.
This second edition cancels and replaces the first edition published in 2006. This edition
constitutes
...

IEC 61400-25-1 ®
Edition 2.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Wind energy generation systems –
Part 25-1: Communications for monitoring and control of wind power plants –
Overall description of principles and models

Systèmes de génération d’énergie éolienne –
Partie 25-1: Communications pour la surveillance et la commande des centrales
éoliennes – Description globale des principes et des modèles

All rights reserved. Unless otherwise specified, 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
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

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About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.

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Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.

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variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and

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IEC 61400-25-1 ®
Edition 2.0 2017-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Wind energy generation systems –

Part 25-1: Communications for monitoring and control of wind power plants –

Overall description of principles and models

Systèmes de génération d’énergie éolienne –

Partie 25-1: Communications pour la surveillance et la commande des centrales

éoliennes – Description globale des principes et des modèles

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.180 ISBN 978-2-8322-4363-3

– 2 – IEC 61400-25-1:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 9
2 Normative references . 10
3 Terms and definitions . 11
4 Abbreviated terms . 15
5 Overall description of IEC 61400-25 (all parts). 16
5.1 General . 16
5.2 Top-down view on wind power plants . 16
5.2.1 Definition of wind power plants . 16
5.2.2 Wind power plant components . 16
5.3 Generic requirements on communication . 18
5.3.1 Communication capability . 18
5.3.2 Communication content . 18
5.3.3 Communication functions . 19
5.4 Communication model of IEC 61400-25 (all parts) . 20
5.4.1 General . 20
5.4.2 Information model . 20
5.4.3 Information exchange model and relation to wind power plant
information models . 22
5.4.4 Mapping to communication profile . 23
6 Wind power plant information model . 23
6.1 General . 23
6.2 Information modelling methodology . 23
6.2.1 Wind power plant information . 23
6.2.2 Modelling approach . 24
6.2.3 Logical devices . 26
6.2.4 Logical nodes . 26
7 Wind power plant information exchange model . 27
7.1 General . 27
7.2 Information exchange modelling methodology . 27
7.2.1 Wind power plant information exchange . 27
7.2.2 Service models . 28
7.2.3 Abstract communication service interface . 29
7.2.4 Service modelling convention . 31
8 Mapping to communication protocols . 34
8.1 General . 34
8.2 Architecture of the mappings. 34
8.3 Mapping of the wind power plant information model . 35
Bibliography . 36

Figure 1 – Conceptual communication model of the IEC 61400-25 series . 10
Figure 2 – Data processing by the server (conceptual) . 21
Figure 3 – Modelling approach (conceptual) . 22
Figure 4 – Structure of wind power plant information model . 25

Figure 5 – Role of common data classes (CDC) in WPP information model . 25
Figure 6 – Client and server role . 28
Figure 7 – IEM service models . 28
Figure 8 – Conceptual information exchange model for a wind power plant . 30
Figure 9 – IEM service model with examples . 32
Figure 10 – Sequence diagram . 33
Figure 11 – ACSI mapping to communication stacks/profiles . 34
Figure 12 – Communication profiles . 35

Table 1 – Operational functions . 19
Table 2 – Management functions . 20
Table 3 – Wind power plant information categories . 24
Table 4 – General table structure of a logical node (LN) . 26
Table 5 – Data class attributes in a logical node . 27
Table 6 – Service table . 32

– 4 – IEC 61400-25-1:2017 © IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
WIND ENERGY GENERATION SYSTEMS –

Part 25-1: Communications for monitoring and control of
wind power plants – Overall description of principles and models

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is ent
...