IEC IEC61400-5 Edition1.02020-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Wind energy generation systems- Part5:Windturbineblades Systemes de generation d'énergie éolienne- Partie5:Palesd'éoliennes IEC 61400-5:2020-06(en-f) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright2020IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified, no part of this publication may be reproduced orutilized in anyform orby any_means,electronic or mechanical,including photocopying andmicrofilm,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 orhave an enquiry about obtaining additional rights tothis publication,pleasecontact the address below or yourlocalIECmemberNational Committeeforfurtherinformation. Droits de reproduction reserves. Sauf indication contraire,aucune partie de cette publication ne peut étre reproduite niutiliseesousquelqueformequecesoitetparaucun procede,electroniqueoumecanique,y comprislaphotocopie et les microfilms, sans I'accord ecrit de llEC ou du Comite national de lIEC du pays du demandeur.Si vous avez des questions surle copyright de llEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de llEc de votre pays de residence. IECCentral Office Tel.: +41 22 919 02 11 3,ruedeVarembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland AbouttheIEC The International Electrotechnical Commission (IEC)is the leading global organization thatprepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications Thetechnicalcontentof IECpublications iskept under constant reviewby theIEC.Please make sure thatyouhave the latestedition,a corrigendum oranamendmentmighthavebeen published. IECpublicationssearch-webstore.iec.ch/advsearchform Electropedia-www.electropedia.org The world's leading online dictionary on electrotechnology, Theadvanced search enablesto find IEC publicationsby a varietyofcriteria(referencenumber,text,technical containingmorethan 22000terminological entries in English committee.... It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. Also known as the International Electrotechnical Vocabulary andwithdrawnpublications. (IEV)online IECJustPublished-webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEc Glossary - std.iec.ch/glossary details all new publications released.Available online and 67 000 electrotechnical terminology entries in English and onceamonthbyemail. French extractedfrom the Terms and Definitionsclause of IECpublications issued since2002.Someentrieshavebeen IEC Customer Service Centre -webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77,86 and If you wish to give us your feedback on this publication or CISPR. needfurtherassistance,pleasecontactthe CustomerService Centre:[email protected]. Apropos deIIEc La Commission Electrotechnique Internationale (IEC)est la premiere organisation mondialequi élabore et publie des Normes internationales pourtout ce qui atraita 'electricite,a I'electronique et auxtechnologies apparentees. A propos des publicationsIEC Le contenu technique des publications IEc est constamment revu.Veuillez vous assurer quevous possedez 'edition la plusrecente,uncorrigendumouamendementpeutavoir étepublie. Electropedia-www.electropedia.org RecherchedepublicationsIEC Le premier dictionnaire d'electrotechnologie en ligne webstore.iec.ch/advsearchform au La recherche avancee permet de trouverdes publications IEC monde, avec plus de 22 000 articles terminologiques en en utilisant differents criteres (numero de reference,texte, anglais et enfrancais,ainsi quelestermes equivalentsdans comite d'etudes....).Elle donne aussi des informations sur les 16 langues additionnelles.Egalement appele Vocabulaire projets etlespublica