IEC ISO IEC61400-4 Edition 1.02012-12 INTERNATIONAL STANDARD colour inside Windturbines- Part4:Designrequirementsfor wind turbine gearboxes IEC 61400-4:2012(E) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright@2012IEC,Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form eitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembe Fax: +4122 919 03 00 CH-1211 Geneva 20 [email protected] Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards forall electrical, electronicand 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 latestedition, a corrigendaoranamendmentmighthavebeenpublished. Useful links: IEC publications search - www.iec.ch/searchpub Electropedia-www.electropedia.org The advanced search enables you to find IEC publications The world's leading online dictionary of electronic and by a variety of criteria (reference number, text, technical electrical terms containing more than 30 000 terms and committee,...). definitions in English and French, with equivalent terms in It also gives information on projects, replaced and additional languages. Also known as the International withdrawn publications. Electrotechnical Vocabulary(IEV)on-line. IECJustPublished-webstore.iec.ch/justpublished Customer ServiceCentre-webstore.iec.ch/csc Stay up to date on all new IEC publications. Just Published If you wish to give us your feedback on this publication details all new publications released. Available on-line and or need further assistance,. please contact the also once amonthby email. CustomerServiceCentre:[email protected]. IEC ISO IEC61400-4 Edition 1.02012-12 INTERNATIONAL STANDARD colour inside Wind turbines- Part4:Designrequirementsforwindturbinegearboxes INTERNATIONAL ELECTROTECHNICAL COMMISSION PRICECODE ICS 27.180 ISBN978-2-83220-506-8 Warning! Make sure that you obtained this publication from an authorized distributor.