1、TECHNICALSPECIFICATIONIEC TS 61400-23First edition2001-04Wind turbine generator systems Part 23:Full-scale structural testing of rotor bladesArognrateurs Partie 23:Essais en vraie grandeur des structures des palesReference numberIEC/TS 61400-23:2001(E)Publication numberingAs from 1 January 1997 all
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7、urther information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00TECHNICALSPECIFICATIONIECTS 61400-23First edition2001-04Wind turbine genera
8、tor systems Part 23:Full-scale structural testing of rotor bladesArognrateurs Partie 23:Essais en vraie grandeur des structures des palesPRICE CODE IEC 2001 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,incl
9、uding photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chXBFor price,see current catalogue Commission Electrotechnique Internati
10、onale International Electrotechnical Commission 2 TS 61400-23 IEC:2001(E)CONTENTSFOREWORD.4INTRODUCTION.61Scope.72Normative references.73Definitions.84Notation.114.1Symbols.114.2Greek symbols.114.3Subscripts.114.4Abbreviations.125General principles.125.1Purpose of tests.125.2Limit states.125.3Practi
11、cal constraints.135.4Results of test.136Blade data.146.1General.146.2External dimensions and interfaces.146.3Blade characteristics.156.4Material data.166.5Design loads and conditions.166.6Areas to be tested.186.7Special blade modifications.186.8Root fixing.186.9Mechanisms.187Differences between desi
12、gn and test load conditions.187.1General.187.2Load introduction.197.3Bending moments and shear.197.4Flatwise and edgewise combinations.207.5Radial loads.207.6Torsion loads.207.7Mechanisms.207.8Environmental conditions.207.9Load spectrum and sequence.218Test loading.218.1General.218.2Load-based testi
13、ng.218.3Strength-based testing.228.4Static-test load aspects.238.5Fatigue-test load aspects.248.6Sequence of static and fatigue tests.258.7Mechanisms.26TS 61400-23 IEC:2001(E)3 9Load factors for testing.269.1General.269.2Partial safety factors used in the design.269.3Test load factors.279.4Applicati
14、on of load factors to obtain the target load.2810Evaluation of test load distribution in relation to design requirements.2910.1General.2910.2Influence of load introduction.2910.3Static tests.2910.4Fatigue tests.3311Failure modes.3611.1General.3611.2Catastrophic failure.3711.3Functional failure.3711.
15、4Superficial failure.3712Test procedures and methods.3812.1General.3812.2Test stand and root fixture requirements.3812.3Load introduction fixtures.3812.4Static strength test.3912.5Fatigue testing.4012.6Advantages and disadvantages of test alternatives.4312.7Deterministic corrections.4312.8Data colle
16、ction.4413Other tests determining blade properties.4613.1General.4613.2Test stand deflections.4613.3Deflection.4613.4Stiffness distribution.4613.5Strain distribution measurements.4713.6Natural frequencies.4813.7Damping.4813.8Mode shapes.4813.9Mass distribution.4813.10 Creep.4813.11 Other non-destructive testing.4813.12 Blade sectioning.4914Reporting.4914.1General.4914.2Content.49Annex A(normative)Partial safety factors considerations.51Annex B(normative)Sensitivity of the evaluation to fatigue f