Theoretical data behind Load analysis Theoretical load assessment – Design life estimate (years) Physical Wind Turbine Inspection Theoretical Load Analysis A project specific assessment of consumed loads is carried out in Vestas SiteCheck®. This is a certified tool which calculates the consumed and remaining design lifetime of the structural components of a wind turbine; these include blades, hub, nacelle, and tower. Using site-specific operational data and climate data from meteorological masts, Vestas SiteCheck® uses turbine- specific load models to calculate the remaining design lifetime. Physical Wind Turbine Inspections Vestas LifePlus™ lifetime extension assessment can include physical inspections carried out by skilled service technicians, to determine the fitness of the components of each individual wind turbine for continued operations at the end of design lifetime. The areas of inspection include structural parts of the turbine as well as the safety system. The purpose of these inspections is to verify that the condition of the wind turbines allows for responsible lifetime extensions that adhere to Vestas safety standards. Customised Report Based on the findings of the load analysis and inspections, a Vestas LifePlus™ report will give an assessment of the design lifetime remaining at a turbine level. The theoretical load calculations performed by Vestas adhere to international standards, following site assessment criteria stated in IEC61400- 1. Vestas offers optional third-party certification or alternatively, can support a customer’s certification process by providing input for the certification body. Vestas LifePlus™ assessment seeks to unlock potential value through lifetime extension solutions, tailored to your specific business case and asset management strategy. These solutions include AOM® service contracts & PowerPlus® solutions. For more information For more information contact your local Vestas Sales & Service office or visit vestas.com. ©Vestas 2021 This document was created by Vestas Wind Systems A/S and contains copyrighted material, trademarks and other proprietary information. All rights reserved. No part of the document may be reproduced or copied in any form or by any means such as graphic, electronic or mechanical, including photocopying, taping or information storage and retrieval systems, without the prior written permission of Vestas Wind Systems A/S. All specifica- tions are for information only and are subject to change without notice. Vestas does not make any representa- tions or extend any warranties, expressed or implied, as to the adequacy or accuracy of this information. Vestas Wind Systems A/S Hedeager 42 . 8200 Aarhus N . Denmark Tlf: +45 9730 0000 . Fax: +45 9730 0001 vestas@vestas.com . vestas.com 04/2021 – EN
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