IEC 61400-25-2:2006

Wind turbines - Part 25-2: Communications for monitoring and control of wind power plants - Information models

Specifies the information model of devices and functions related to wind power plant applications. Specifies in particular the compatible logical node names, and data names for communication between wind power plant components, including the relationship between logical devices, logical nodes and data.
This publication is of high relevance for Smart Grid.

General Information

• Status: Published
• Publication Date: 13-Dec-2006
• ICS: 27.180 - Wind turbine energy systems
• Technical Committee: TC 88 - Wind energy generation systems
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 30-Jun-2015

Relations

• Revised: IEC 61400-25-2:2015 - Wind turbines - Part 25-2: Communications for monitoring and control of wind power plants - Information models
• Effective Date: 05-Sep-2023

Standards Content (Sample)

INTERNATIONAL IEC
STANDARD 61400-25-2
First edition
2006-12
Wind turbines –
Part 25-2:
Communications for monitoring
and control of wind power plants –
Information models
Reference number
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INTERNATIONAL IEC
STANDARD 61400-25-2
First edition
2006-12
Wind turbines –
Part 25-2:
Communications for monitoring
and control of wind power plants –
Information models
© IEC 2006 ⎯ 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
Telephone: [phone] Telefax: [phone] E-mail: [e-mail] Web: www.iec.ch
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Commission Electrotechnique Internationale XC
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue

– 2 – 61400-25-2 © IEC:2006(E)
CONTENTS
FOREWORD.5
INTRODUCTION.7

1 Scope.8
2 Normative references .9
3 Terms and definitions .10
4 Abbreviated terms .10
5 General .13
5.1 Overview of logical node classes.13
5.2 Use of logical node classes .15
5.3 Extensions of the information model.15
6 Wind power plant logical node classes .16
6.1 System specific logical nodes.16
6.2 Wind power plant specific logical nodes .18
6.3 Data name semantic.34
7 Common data classes .45
7.1 Basic concepts for common data classes (CDC).45
7.2 Common data class attributes .48
7.3 Wind power plant specific common data classes (CDC).53
7.4 Common data classes inherited from IEC 61850-7-3 .61
7.5 Common data class attribute semantics .63

Annex A (normative)  Information model for statistical data and historical statistical
data .68
Annex B (normative) Value range for units and multiplier .73
Annex C (informative) Wind Power Plant Controller .76
Annex D (informative) List of mandatory logical nodes and data .82

Figure 1 – Conceptual communication model of the IEC 61400-25 series .9
Figure 2 – Relationship of logical nodes.13
Figure 3 – Use of instances of logical nodes .15
Figure A.1 – Conceptual model of statistical and historical statistical data (1) .69
Figure A.2 – Conceptual model of statistical and historical statistical data (2) .70
Figure C.1 – Conceptual structure of the wind power plant control functions .76
Figure C.2 – Schematic illustration of the active power limitation control function .77
Figure C.3 – Schematic illustration of the gradient power control function.78
Figure C.4 – Schematic illustration of the delta power control function .78
Figure C.5 – Schematic illustration of a combined control – including gradient, delta
and active power limitation control .79
Figure C.6 – Schematic illustration of the apparent power control function.79
Figure C.7 – Schematic illustration of the reactive power control function .80
Figure C.8 – Schematic illustration of the power factor control function.81
Figure C.9 – Schematic illustration of the voltage control function using reactive power
control .81

61400-25-2 © IEC:2006(E) – 3 –

Table 1 – System specific logical nodes.13
Table 2 – Wind power plant specific logical nodes .14
Table 3 – Wind turbine specific logical nodes.14
Table 4 – Wind power plant common logical node class.16
Table 5 – Logical node zero class.17
Table 6 – Physical device information class .17
Table 7 – LN: Wind turbine general information (WTUR).18
Table 8 – LN: Wind turbine rotor information (WROT) .19
Table 9 – LN: Wind turbine transmission information (WTRM).20
Table 10 – LN: Wind turbine generator information (WGEN) .21
Table 11 – LN: Wind turbine converter information (WCNV) .22
Table 12 – LN: Wind turbine transformer information (WTRF) .23
Table 13 – LN: Wind turbine nacelle information (WNAC) .24
Table 14 – LN: Wind turbine yawing information (WYAW) .25
Table 15 – LN: Wind turbine tower information (WTOW) .25
Table 16 – LN: Wind power plant meteorological information (WMET) .26
Table 17 – LN: Wind power plant alarm information (WALM).27
Table 18 – LN: Wind turbine state log information (WSLG) .27
Table 19 – LN: Wind turbine analogue log information (WALG) .29
Table 20 – LN: Wind turbine report information (WREP) .32
Table 21 – LN: Wind power plant active power control information (WAPC) .33
Table 22 – LN: Wind power plant reactive power control information (WRPC) .34
Table 23 – Data name semantic.35
Table 24 – General table structure of a common data class (CDC) .46
Table 25 – Common data class attributes .47
Table 26 – Conditions for the presence of an attribute .47
Table 27 – CDC: Attribute basic types .48
Table 28 – Analogue value .48
Table 29 – TimeStamp type .49
Table 30 – TimeQuality definition.50
Table 31 – TimeAccuracy .50
Table 32 – Quality .51
Table 33 – Unit .51
Table 36 – Wind power plant specific common data classes .53
Table 37 – CDC: Setpoint value (SPV).54
Table 38 – CDC: Status Value (STV) .55
Table 39 – CDC: Alarm (ALM).56
Table 40 – CDC: Command (CMD) .57
Table 41 – CDC: Event counting (CTE).58
Table 42 – CDC: State timing (TMS) .60
Table 43 – CDC: Alarm Set Status (ASS).61
Table 44 – Specialized common data classes .62

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Table 45 – Device name plate common data class specification WDPL.62
Table 46 – Common data class attribute semantic .63
Table A.1 – Description of Data .71
Table A.2 – Object reference setting group common data class specification .72
Table B.1 – SI units: base units .73
Table B.2 – SI units: derived units .73
Table B.3 – SI units: extended units.74
Table B.4 – SI units: industry specific units.74
Table B.5 – Multiplier .75
Table D.1 – Mandatory system specific logical nodes .82
Table D.2 – Mandatory wind power plant specific logical nodes .82
Table D.3 – Mandatory wind turbine specific logical nodes.82
Table D.4 – Mandatory wind power plant specific common data classes (CDC) .82
Table D.5 – Mandatory common data classes inherited from IEC 61850-7-3 .83
Table D.6 – Mandatory common data classes inherited from IEC 61850-7-3 and
specialised.83

61400-25-2 © IEC:2006(E) – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
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