IEC_61400-25-6-2010.pdf

IEC 61400-25-6 Edition 1.0 2010-11 INTERNATIONAL STANDARD Wind turbines Part 25-6:Communications for monitoring and control of wind power plants Logical node classes and data classes for condition monitoring IEC 61400-25-6:2010(E)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC,Geneva,Switzerland 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 IECs 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.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web: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.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.Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC 61400-25-6 Edition 1.0 2010-11 INTERNATIONAL STANDARD Wind turbines Part 25-6:Communications for monitoring and control of wind power plants Logical node classes and data classes for condition monitoring INTERNATIONAL ELECTROTECHNICAL COMMISSION V ICS 27.180 PRICE CODEISBN 978-2-88912-230-1 Registered trademark of the International Electrotechnical Commission colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 61400-25-6 IEC:2010(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.8 2 Normative references.9 3 Terms and definitions.10 4 Abbreviated terms.11 5 General.14 5.1 Overview.14 5.2 Condition monitoring information modelling.15 5.3 Coordination system applied for identifying direction and angles.16 5.4 Active power bin concept.16 6 Common data class attributes.17 6.1 General.17 6.2 Attributes for condition monitoring measurement description.17 7 Common data classes for wind turbine condition monitoring.23 7.1 General.23 7.2 Common data classes defined in IEC 61400-25-2.24 7.3 Condition monitoring bin(CMB).24 7.4 Condition monitoring measurement description(CMMD).24 7.5 Condition monitoring scalar value(CMSV).25 7.6 Scalar value array(SVA).26 7.7 Condition monitoring scalar value array(CMSVA).27 7.8 Condition monitoring vector value(CMVV).27 8 Logical nodes for wind turbine condition monitoring.28 8.1 General.28 8.2 Logical nodes inherited from IEC 61400-25-2.28 8.3 Wind turbine condition monitoring logical node WCON.29 9 Data file(DAF).29 Figure 1 Condition monitoring with separated TCD/CMD functions.7 Figure 2 Schematic flow of condition monitoring information.8 Figure 3 Reference coordinates system for the drive train.16 Figure 4 Active power bin concept.17 Figure 5 Sensor angular orientation.20 Figure 6 Sensor motion identification.20 Figure 7 Sensor normal and reverse motion.21 Figure 8 Principle of shaft and bearing numbering along a drive train.21 Figure A.1 Gearbox example Spectral analysis from an Iss sensor.30 Figure B.1 Wind turbine condition monitoring measurements.31 Table 1 Abbreviated terms applied.12 Table 2 Coordinate system and wind