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GB/T 18451.1-2022: Wind energy generation systems - Design requirements
Status: Valid GB/T 18451.1: Evolution and historical versions
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Wind energy generation systems - Design requirements
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Basic data | Standard ID | GB/T 18451.1-2022 (GB/T18451.1-2022) | | Description (Translated English) | Wind energy generation systems - Design requirements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F11 | | Classification of International Standard | 27.180 | | Word Count Estimation | 138,113 | | Date of Issue | 2022-10-12 | | Date of Implementation | 2022-10-12 | | Older Standard (superseded by this standard) | GB/T 18451.1-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18451.1-2022: Wind energy generation systems - Design requirements---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.
Wind energy generation systems - Design requirements
ICS 27.180
CCSF11
National Standards of People's Republic of China
Replace GB/T 18451.1-2012
Wind Turbine Design Requirements
Part 1.Design requirements, IDT)
Released on 2022-10-12
2022-10-12 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface V
Introduction VI
1 Scope 1
2 Normative references 1
3 Terms and Definitions 3
4 Symbols and abbreviations 11
4.1 Symbol 11
4.2 Abbreviations 14
5 Basic Requirements 14
5.1 Overview 14
5.2 Design method 14
5.3 Security level 15
5.4 Quality Assurance 15
5.5 Wind turbine nameplate 15
6 External conditions 15
6.1 Overview 15
6.2 Wind turbine class 16
6.3 Wind conditions 17
6.4 Other environmental conditions 23
6.5 Grid conditions 25
7 Structural Design 25
7.1 Overview 25
7.2 Design method 25
7.3 Loads 25
7.4 Design state and load cases 26
7.5 Load Calculations 32
7.6 Limit state analysis 33
8 control system 39
8.1 Overview 39
8.2 Control functions 39
8.3 Protection functions 39
8.4 Failure Analysis of Control System 40
8.5 Manual operation 40
8.6 Emergency stop button function 41
8.7 Manual, automatic and remote restart 41
8.8 Brake system 41
9 mechanical systems 42
9.1 Overview 42
9.2 Assembly errors 42
9.3 Hydraulic or pneumatic systems 42
9.4 Main gearbox 42
9.5 Yaw system 43
9.6 Pitch system 43
9.7 Protective functions of mechanical brakes 43
9.8 Rolling bearings 43
10 Electrical system 44
10.1 Overview 44
10.2 General requirements for electrical systems 44
10.3 Internal environmental conditions 44
10.4 Protective devices 45
10.5 Power-off device 45
10.6 Grounding system 46
10.7 Lightning Protection 46
10.8 Cables 46
10.9 Self-motivation 46
10.10 Lightning Electromagnetic Pulse Protection 46
10.11 Power Quality 47
10.12 Electromagnetic Compatibility 47
10.13 Power electronic conversion systems and equipment 47
10.14 Twisted cables/drop rings 47
10.15 Slip ring 47
10.16 Vertical conductors and components 47
10.17 Motor drives and frequency converters 48
10.18 Electrical machinery 48
10.19 Power transformers 48
10.20 Low-voltage switchgear and controlgear 48
10.21 High voltage switchgear 48
10.22 hub 49
11 Evaluation of wind turbines under specific site conditions 49
11.1 Overview 49
11.2 Assessment of site topography complexity and its impact on turbulence 49
11.3 Assessing the required wind conditions 53
11.4 Assessment of Wake Effects of Adjacent Wind Turbines 54
11.5 Assessment of other environmental conditions 55
11.6 Assessment of seismic conditions 55
11.7 Grid condition assessment 55
11.8 Evaluation of geological conditions 56
11.9 Assessing structural integrity from wind data 56
11.10 Structural integrity assessment based on site-specific load calculations 58
12 Assembly, installation and hoisting 58
12.1 Overview 58
12.2 Program 59
12.3 Installation conditions 59
12.4 Field roads 59
12.5 Environmental conditions 59
12.6 Documentation 59
12.7 Receiving, handling and storage 59
12.8 Foundation/ground anchor systems 60
12.9 Wind turbine assembly 60
12.10 Wind turbine hoisting 60
12.11 Fasteners and accessories 60
12.12 Cranes, cranes and lifting equipment 60
13 Commissioning, operation and maintenance 60
13.1 Overview 60
13.2 Design requirements for safe operation, inspection and maintenance 60
13.3 Commissioning Instructions 61
13.4 Operator's Manual 62
13.5 Maintenance Manual 63
14 Cold climates 64
14.1 Overview 64
14.2 Low temperature and freezing climates 64
14.3 External conditions for cold climates 64
14.4 Structural design 64
14.5 Design states and load cases 64
14.6 Control systems 65
14.7 Mechanical systems 65
14.8 Electrical system 66
Appendix A (Normative) External Condition Design Parameters 67
Appendix B (informative) Design load conditions or site suitability assessment of S-class wind turbines 70
Appendix C (Informative) Turbulence Model 74
Appendix D (informative) Earthquake load assessment 78
Appendix E (Informative) Wake and wind farm turbulence 82
Appendix F (Informative) Prediction of Wind Distribution at Wind Turbine Site Based on Measurement-Correlation-Prediction (MCP) Method 88
Appendix G (Informative) Statistical Extrapolation of Loads for Ultimate Strength Analysis 90
Annex H (Informative) Fatigue Analysis Based on Miner's Criterion and Load Extrapolation 97
Appendix I (informative) Contemporaneous load 100
Appendix J (Informative) Using Monte Carlo Simulation to Forecast Extreme Wind Speeds of Tropical Cyclone 102
Appendix K (informative) Calibration of structural material safety factors and test-assisted structural design 106
APPENDIX L (INFORMATIVE) COLD CLIMATES. ICING CLIMATE IMPACTS AND ASSESSMENTS 117
Appendix M (informative) medium-sized wind turbines 122
Appendix NA (informative) my country's document 125 that has a consistent correspondence with IEC 60034 (all parts)
References 127
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 is Part 1 of GB/T 18451 "Wind Turbine Generating Sets". GB/T 18451 has published the following parts.
---GB/T 18451.1 Design requirements for wind turbines;
---GB/T 18451.2 Wind Turbine Power Characteristics Test.
This document replaces GB/T 18451.1-2012 "Design Requirements for Wind Turbine Generating Sets". Compared with GB/T 18451.1-2012, except
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Added some terms and definitions (see 3.9, 3.29, 3.36, 3.39, 3.45, 3.49, 3.50, 3.52);
--- Deleted some terms and definitions (see 3.27, 3.36, 3.65 of the.2012 edition);
--- Changed the wind speed expression method and Iref definition of the wind turbine rating definition (see 6.2, 6.2 of the.2012 edition);
--- Added Vref, T, A wind turbine rating (see 6.2);
--- The turbulent wind model has been added to meet the requirements of the Kaimal model (see 6.3.1);
--- Added Weibull distribution calculation method of turbulence standard deviation (see 6.3.2.3);
--- Changed the design load case (see 7.4, 7.4 of the.2012 edition);
--- Changed the sub-item safety factor (see 7.6, 7.6 of the.2012 edition);
--- Changed the control system (see Chapter 8, Chapter 8 of the.2012 edition);
--- Changed the main gearbox (see 9.4, 9.4 of the.2012 edition);
--- Changed the electrical system (see Chapter 10, Chapter 10 of the.2012 edition);
--- Changed the assessment of wind turbines under specific site conditions (see Chapter 11, Chapter 11 of the.2012 edition);
--- Increased cold climate (see Chapter 14).
This document is equivalent to IEC 61400-1.2019 "Wind Turbine Generating Sets Part 1.Design Requirements".
The following minimal editorial changes have been made to this document.
--- In order to coordinate with existing standards, change the name of the standard to "Design Requirements for Wind Turbine Generating Sets";
--- Added an informative appendix NA "my country's documents that have a consistent correspondence with IEC 60034 (all parts)".
This document is proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Wind Power Standardization Technical Committee (SAC/TC50).
The main drafting units of this document. Beijing Jianheng Certification Center Co., Ltd., Hohhot Branch of Chinese Academy of Agricultural Mechanization Sciences Co., Ltd.
Company, Xinjiang Goldwind Technology Co., Ltd., Guodian United Power Technology Co., Ltd., Mingyang Smart Energy Group Co., Ltd., Envision Energy
Co., Ltd., Guohua Energy Investment Co., Ltd., Zhejiang Yunda Wind Power Co., Ltd., CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd.,
China Shipbuilding Industry Corporation Haizhuang Wind Power Co., Ltd., Dongfang Electric Wind Power Co., Ltd., Harbin Electric Wind Power Co., Ltd., Shanghai Electric
Wind Power Group Co., Ltd., China Electric Power Research Institute Co., Ltd., Zhuzhou Times New Material Technology Co., Ltd., Sinoma Technology
Wind Power Blade Co., Ltd.
The main drafters of this document. Wang Dandan, Wang Jianping, Ren Jun, Yu Liping, Chu Jingchun, Zou Libing, Zhu Hongdong, Gao Hui, Cai Jifeng, Luo Yongshui,
Wu Fafa, Gong Wei, Yin Jingxun, Song Xiaoping, Xu Shijing, Yang Hongyuan, Jiang Hongwu, Fu Deyi, Feng Xuebin, Ding Ding.
The release status of previous versions of this document and the documents it replaces are as follows.
---First released in.2001 as GB 18451.1-2001;
---The first revision in.2012, this time is the second revision.
Introduction
This document outlines the minimum design requirements for wind turbines, but is not a complete design specification or instruction manual.
After proper justification, if changing the requirements of a clause in this document will not endanger the safety of the wind turbine, then the clause may be changed.
payment. However, this provision does not apply to the classification and related definitions of external conditions in Chapter 6.Compliance with the requirements of this document does not relieve any individual
The responsibility of a person, organization or group to comply with other applicable standards or regulations. This document does not give requirements for offshore wind turbines, especially for supporting
support structure. For offshore wind power facilities, refer to the IEC 61400-3 series of standards. GB/T 18451 establishes the minimum
Design requirements and structural design, involving control and protection functions, internal electrical systems, mechanical systems and support structures, etc., are determined by design requirements and power
The characteristic test consists of two parts.
---GB/T 18451.1 Design requirements for wind turbines. The purpose is to provide uniform design requirements to ensure wind power generation
The standardization of unit design prevents various hazards from causing damage to the wind turbine unit.
---GB/T 18451.2 Wind Turbine Power Characteristics Test. The purpose is to clarify the power characteristic test of wind turbine
Requirements and methods to verify the power generation performance of wind turbines designed in accordance with Part 1.
Wind Turbine Design Requirements
1 Scope
This document specifies the design requirements necessary to ensure the structural integrity of wind turbines. Its purpose is to determine the life expectancy of the wind turbine
During the service life, an appropriate level of protection is provided to prevent damage to the wind turbine from various hazards.
This document deals with the various subsystems of the wind turbine, such as control and protection functions, internal electrical systems, mechanical systems and support structures.
This document applies to wind turbines of all capacities. For small wind turbines, refer to IEC 61400-2.
IEC 61400-3-1 imposes additional requirements on the installation of offshore wind turbines.
This document can be used together with the IEC and ISO standards mentioned in Chapter 2.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
ISO 76 Rolling bearing rated static load (Rolingbearings-Staticloadratings)
Note. GB/T 4662-2012 Rated static load of rolling bearings (ISO 76.2006, IDT)
life)
Note. GB/T 6391-2010 Rated dynamic load and rated life of rolling bearings (ISO 281.2007, IDT)
ISO 2533 standard atmosphere (Standardatmosphere)
ISO 6336-2 Calculation of load carrying capacity of spur and helical gears Part 2.Calculation of tooth surface contact strength (pitting) [Calculationof
Note. GB/T 3480.2-2021 Calculation of load capacity of spur and helical gears Part 2.Calculation of tooth surface contact strength (pitting) (ISO 6336-2.
2019, IDT)
ISO 6336-3.2006 Calculation of spur and helical gear load capacity Part 3.Calculation of tooth bending strength (Calculation of
Note. GB/T 3480.3-2021 Calculation of load carrying capacity of spur and helical gears Part 3.Calculation of tooth bending strength (ISO 6336-3.2019, IDT)
Principles for design)
Note. GB/T 16754-2021 Design Principles for Emergency Stop Function of Machinery Safety (ISO 13850.2015, IDT)
ISO /T S16281 Calculation method of bearing modified reference rating life under normal load conditions for rolling bearings (Rolingbearings-
Note. GB/T 36517-2018 Calculation method of bearing modified reference rating life under general load conditions for rolling bearings (ISO /T S16281.2008, IDT)
Note. See Appendix NA for Chinese documents that have a consistent correspondence with IEC 60034 (all parts).
IEC 60038 standard voltage (Standardvoltages)
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