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IEC 61400-3-1-ed.1.0
Wind energy generation systems - Part 3-1: Design requirements for fixed offshore wind turbines
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STANDARD published on 5.4.2019
The information about the standard:
Designation standards: IEC 61400-3-1-ed.1.0
Publication date standards: 5.4.2019
SKU: NS-945673
The number of pages: 148
Approximate weight : 475 g (1.05 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Wind turbine systems and other alternative sources of energy
Annotation of standard text IEC 61400-3-1-ed.1.0 :
IEC 61400-3-1:2019 outlines the minimum design requirements for fixed offshore wind turbines and is not intended for use as a complete design specification or instruction manual. Several different parties may be responsible for undertaking the various elements of the design, manufacture, assembly, installation, erection, commissioning, operation and maintenance of an offshore wind turbine and for ensuring that the requirements of this document are met. The division of responsibility between these parties is a contractual matter and is outside the scope of this document. This edition cancels and replaces the first edition of IEC 61400-3 published in 2009. This edition includes the following significant technical changes with respect to the first edition of IEC 61400-3: a) The design load table has been revised to simplify the approach to waves, both for several gust cases with the Normal Sea State, and for a number of cases with the Extreme Sea State. The guidance for load calculations has been altered accordingly; c) For load safety factors reference is now made directly to IEC 61400-1; d) Control system has been aligned with the latest updates in IEC 61400-1; e) Wave spectra has been replaced by a reference to ISO 19901-1; f) The annex on ice loading has been revised and updated g) Two informative annexes concerning tropical cyclones have been introduced h) Other parts of the text have been aligned with IEC 61400-1 lIEC 61400-3-1:2019 specifie des exigences complementaires devaluation des conditions externes sur un site deoliennes en mer, ainsi que les exigences essentielles de conception, afin dassurer lintegrite technique des eoliennes en mer fixes. Elle a pour objet de fournir un niveau de protection approprie contre les dommages causes par tous les dangers pendant la duree de vie prevue. Le present document se concentre sur lintegrite technique des elements de structure dune eolienne en mer, mais concerne egalement les sous-systemes, tels que les mecanismes de commande et de protection, les systemes electriques internes et les systemes mecaniques. Cette edition annule et remplace la premiere edition de lIEC 61400-3 parue en 2009. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a la premiere edition de lIEC 61400-3: a) Le tableau des charges de conception a ete revise afin de simplifier lapproche par vagues, a la fois pour plusieurs cas de rafales avec letat de mer normale et pour de nombreux cas avec letat de mer extreme. Les recommandations concernant les calculs de charge ont ete modifiees en consequence; b) Pour les facteurs de securite de charge, il est desormais fait directement reference a lIEC 61400-1; c) Le systeme de commande a ete aligne sur les dernieres mises a jour de lIEC 61400-1; d) La premiere edition consacree aux spectres dondes a ete remplacee par une reference a lISO 19901-1; e) Lannexe consacree aux surcharges de glace a ete revisee et mise a jour f) Deux annexes informatives concernant les cyclones tropicaux ont ete introduites: g) Les autres parties du texte ont ete alignees sur lIEC 61400-1.
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