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GB/T 25383-2025: Wind energy generation systems - Wind turbine blades
Status: Valid GB/T 25383: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25383-2025 | English | 1014 |
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Wind energy generation systems - Wind turbine blades
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GB/T 25383-2025
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| GB/T 25383-2010 | English | 419 |
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Wind turbine generator system -- Rotor blades
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GB/T 25383-2010
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PDF similar to GB/T 25383-2025
Basic data | Standard ID | GB/T 25383-2025 (GB/T25383-2025) | | Description (Translated English) | Wind energy generation systems - Wind turbine blades | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F11 | | Classification of International Standard | 27.180 | | Word Count Estimation | 50,529 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-12-01 | | Older Standard (superseded by this standard) | GB/T 25383-2010 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 25383-2025: Wind energy generation systems - Wind turbine blades---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 27.180
CCSF11
National Standard of the People's Republic of China
Replace GB/T 25383-2010
Wind power generation system wind turbine rotor blades
blades,IDT)
Released on 2025-05-30
2025-12-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Logo 4
4.1 Symbols 4
4.2 Greek symbols 4
4.3 Subscript 5
4.4 Coordinate system 5
5 Design environment conditions 6
6 Design 6
6.1 Structural Design Process 6
6.2 Blade characteristics 10
6.3 Aerodynamic design 11
6.4 Material requirements 12
6.5 Design and manufacturing 15
6.6 Structural design 16
7 Manufacturing Requirements 30
7.1 Manufacturing process 30
7.2 Workshop Requirements 31
7.3 Quality management system requirements 33
7.4 Manufacturing process requirements 33
7.5 Manufacture of natural fiber reinforced wind turbine blades 37
7.6 Other manufacturing processes 37
7.7 Quality Control Process 38
7.8 Manufacturing Assessment Requirements 40
8 Blade installation, operation and maintenance 41
8.1 General Principles 41
8.2 Transportation and Hoisting 41
8.3 Maintenance 41
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 25383-2010 "Wind turbine blades". Compared with GB/T 25383-2010, except for the structure
In addition to adjustments and editorial changes, the main technical changes are as follows.
--- Added the building block verification method for composite material structure design (see 6.1.2);
--- Added design load requirements (see 6.1.4);
--- Changed the aerodynamic design requirements (see 6.3, 6.1 of the.2010 edition);
--- Added design and manufacturing requirements (see 6.5);
--- Changed the definition and value of local safety factor of materials in structural strength analysis (see 6.6.4, Appendix A of the.2010 edition);
--- Added the ultimate strength check of sandwich structure (see 6.6.5.5);
--- Added mechanical fastener structure interface verification (see 6.6.5.10);
--- Changed the manufacturing requirements (see Chapter 7, Chapter 8 and Chapter 9 of the.2010 edition);
--- Added blade maintenance requirements (see 8.3).
This document is equivalent to IEC 61400-5.2020 "Wind energy generation systems Part 5.Wind turbine rotor blades".
The following minimal editorial changes were made to this document.
--- To coordinate with the existing standards, the name of the standard is changed to "Wind turbine blades for wind power generation systems".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Wind Power Generation (SAC/TC50).
This document was drafted by. Sinoma Science & Technology Wind Power Blade Co., Ltd., China Agricultural Mechanization Research Institute Hohhot Branch Co., Ltd.
Company, Wind Energy Professional Committee of China Renewable Energy Society, Beijing Jianheng Certification Center Co., Ltd., Goldwind Science & Technology Co., Ltd., Guodian
United Power Technology Co., Ltd., Xiamen Shuangrui Wind Power Technology Co., Ltd., Zhongke Yuneng Technology Development Co., Ltd., Yunda Energy Technology Group
Co., Ltd., Beijing Qianyuan Wind Power Technology Co., Ltd., Zhuzhou Times New Materials Technology Co., Ltd., Ailang Technology Co., Ltd.
Co., Ltd., Shanghai Electric Wind Power Group Co., Ltd., China Quality Certification Center Co., Ltd., and Guangdong Mingyang New Energy Materials Technology Co., Ltd.
The main drafters of this document are. Li Chengliang, Ding Suo, Wang Jianping, Chen Chun, Ren Jun, Tian Ye, Zhang Jinfeng, Lu Xiaofeng, Chen Qiang, Feng Wei, Huang Huixiu,
Li Quanzhou, Xu Yu, Zhou Wenming, Zhao Jianli, Zhuang Yan, Feng Xuebin, Sun Yuanrong, Wang Guojun, Dong Min, Zhang Shuli, Zhou Xiaoliang, Wang Chao, Wang Yan, Li Fu,
Zhang Ke, Zhan Mingfan.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2010 as GB/T 25383-2010;
---This is the first revision.
Introduction
The rotor blade is one of the most critical components in the wind turbine system. This document provides the design and manufacture of wind turbine rotors.
Minimum requirements for blades.
This document presents a method for the structural design of wind turbine rotor blades, covering blade characteristics, aerodynamic design, material requirements and
In addition, in order to effectively promote the blade design to fit the actual production environment as much as possible, this document also
The relevant requirements for blade manufacturing design are given.
Encourage the formulation of wind turbine rotor blade structural design requirements in an innovative, verified, quality and tested manner.
In addition to considering the above items, the author can also choose a lower local safety level based on factors such as the rigor of model verification and the correlation with test results.
Full coefficient.
In order to ensure that the production environment of the blades meets the design and manufacturing requirements, this document provides the quality management system related to blade manufacturing.
In addition, the requirements for blade transportation, hoisting, operation and maintenance are also given at the end of this document.
Wind power generation system wind turbine rotor blades
1 Scope
This document specifies the requirements for ensuring the engineering integrity of wind turbine rotor blades and their proper operational safety throughout the blade's design life.
All levels of relevant requirements, including.
---Pneumatic and structural design;
---Material selection, evaluation and testing;
---Manufacturing of blades (including related quality management);
---Transportation, installation, operation and maintenance.
This document is intended to provide technical reference for wind turbine blade designers, manufacturers, purchasers, operators, third-party organizations and material suppliers.
and determine the certification requirements for the blades.
This document gives detailed information on the requirements for certification to the current IEC RE certification system and other IEC standards related to wind turbine blades.
When used for certification, the applicability of this document should be determined based on the scope of certification and the relevant modules of the IEC RE certification system.
The certification of IEC RE and other IEC wind turbine blade standards should be based on the scope of certification and the relevant certification modules of the IEC RE system.
The definition of a rotor blade refers to all components integrated into the blade design, excluding removable bolts and mounting brackets in the blade root connection.
The main material system of the integrated system is fiber reinforced plastic (FRP). This document is applicable to the rotor blades of horizontal axis wind turbines.
Applicable to small wind turbines designed according to IEC 61400-2.
At the time of the preparation of this document, the vast majority of blades are horizontal axis wind turbine rotor blades manufactured from fiber reinforced plastics.
Most of the principles given in this document are equally applicable to wind turbine blades of any construction, size and material.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.
document.
ulary)
Note. GB/T 19000-2016 Quality Management System Fundamentals and Vocabulary (ISO 9000.2015, IDT)
Note. GB/T 19001-2016 Quality Management System Requirements (ISO 9001.2015, IDT)
Note. GB/T 18253-2018 Types of inspection documents for steel and steel products (ISO 10474.2013, IDT)
Note. GB/T 3359-2009 Statistical processing and interpretation of data - Determination of statistical tolerance intervals (ISO 16269-6.2005, IDT)
ISO /IEC 17021-1 Conformity assessment requirements for bodies providing management system audit and certification Part 1.Requirements
systems-Part 1.Requirements)
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