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IEC 63230-ed.1.0
Fatigue assessment of hydraulic turbine runners: from design to quality assurance
Translate name
STANDARD published on 7.5.2026
The information about the standard:
Designation standards: IEC 63230-ed.1.0
Publication date standards: 7.5.2026
SKU: NS-1269626
The number of pages: 43
Approximate weight : 129 g (0.28 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 63230-ed.1.0 :
IEC 63230:2026 applies to runners of reaction turbines, regardless of their size and capacity. These can include radial turbines such as Francis turbines, axial turbines such as Kaplan and propeller turbines, as well as diagonal turbines, in all possible configurations. In the case of turbine runners with adjustable blades, the internal mechanical components of the blades adjustment mechanism are excluded from this document. Pelton turbines, storage pumps and pump-turbines are not covered in this first edition, even though several topics are applicable to these types of hydraulic machines. Specificities and applicability to Pelton turbine and pump-turbines will be discussed in a later revision of the standard This document outlines the methodologies for conducting a fatigue assessment of turbine runners. It encompasses several key aspects, such as defining the load events to be considered during the assessment, determining stresses for each of these load events, as well as the detailed approaches for assessing fatigue of new and existing runners. Additionally, it includes manufacturing and quality assurance requirements to be complied with to achieve the desired material fatigue properties and effectively apply the proposed fatigue assessment methodologies. This document also contains best practices for performing and analysing on-site strain gauge measurements performed on existing runners to evaluate their fatigue life. The purpose of this document is to provide guidelines to assess fatigue in new and existing turbine runners. It does not specify if a fatigue assessment should be performed or not for a given runner. However, Annex B provides guidance to evaluate the necessity of realizing a fatigue assessment or not for a given new runner. The methods described in this document can also be used for remaining life assessments of in-service runners IEC 63230:2026 sapplique aux roues de turbines a reaction, quelles que soient leur taille et leur capacite. Elle peut couvrir les turbines radiales comme les turbines Francis, les turbines axiales comme les turbines Kaplan et les turbines helices, ainsi que les turbines diagonales, dans toutes les configurations geometriques possibles. Dans le cas des turbines a pales orientables, les composants mecaniques internes du mecanisme de commande des pales sont exclus du present document. Les turbines Pelton, les pompes daccumulation et les pompes-turbines ne sont pas couvertes dans cette premiere edition, meme si plusieurs aspects sappliquent a ces types de machines hydrauliques. Les specificites et les aspects relatifs aux turbines Pelton et aux pompes-turbines seront traites dans une revision ulterieure de la norme. Le present document decrit les methodologies pour effectuer une evaluation de la fatigue des roues de turbines. Il couvre plusieurs aspects cles, notamment la definition des evenements-charge a prendre en compte, la determination des contraintes pour chacun de ces evenements-charge, ainsi que les approches detaillees pour effectuer cette evaluation a la fatigue de roues neuves et existantes. En outre, il definit les exigences de fabrication et dassurance qualite a respecter pour obtenir les proprietes de fatigue souhaitees sur les materiaux consideres de sorte a se conformer efficacement aux methodologies devaluation en fatigue proposees. Le present document fournit egalement les meilleures pratiques pour effectuer et analyser des mesures de jauges extensometriques sur des roues existantes afin devaluer leur duree de vie en fatigue. Le present document a pour objet de fournir des lignes directrices pour effectuer une evaluation de la fatigue des roues neuves et existantes. Il ne specifie pas sil convient deffectuer une evaluation en fatigue ou non pour une roue donnee. Cependant, lAnnexe B propose des recommandations pour evaluer la necessite ou non de proceder a une evaluation en fatigue dune roue neuve donnee. Les methodes decrites dans le present document peuvent egalement etre utilisees pour les evaluations de duree de vie residuelles de roues en service
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