This document is drafted in accordance with GB/T 1.1-2020 Guidelines for Standardization, Part 1: Structure and Drafting Rules of Standardization Documents.
This document is the first part of GB/T 18451 Wind Turbine Generator System. GB/T 18451 has issued the following parts:;
——GB/T 18451.1 Wind Turbine Generator Set Design Requirements;
——GB/T 18451.2 Power Characteristic Test of Wind Turbine Generator Set.
This document replaces GB/T 18451.1-2012K Wind Turbine Generator Set Design Requirements. Compared with GB/T 18451.1-2012, except for structural adjustment and editorial changes, the main technical changes are as follows:
——Some terms and definitions have been added (see 3.9, 3.29, 3.36, 3.39, 3.45, 3.49, 3.50, 3.52);
——Some terms and definitions have been deleted (see 3.27, 3.36 and 3.65 of the 2012 edition);
——The wind speed representation method of the wind turbine class definition has been changed Definition (see 6.2 in 2012);
——Added Vf. T, A+wind turbine generator class (see 6.2)
——It is added that the turbulent wind model should meet the requirements of Kaimal model (see 6.3.1);
——The calculation method of Weibull distribution of turbulence standard deviation is added (see 6.3.2.3);
——Changed the design load case (see 7.4 in the 2012 version) d
——The partial safety factor has been changed (see 7. C of 7.6, 2012 edition,
——The control system has been changed (see Chapter 8, Chapter already of 2012 edition);
——The main gearbox has been changed (see 9.4 of 2012 version);
——Changed the electrical system (see Chapter 10, Chapter 10 of 2012 edition)
——Changed the assessment of wind turbines under specific site conditions (see Chapter 11, Chapter 11 of the 2012 edition);
——Cold climate has been added (see Chapter 14).
This document is equivalent to IEC 61400-1:2019 Wind Turbine Generator Systems - Part 1: Design Requirements. The following minimum editorial changes have been made to this document:
——In order to coordinate with the existing standards, the name of the standard is changed to Wind Turbine Generator Design Requirements;
——Informative appendix NA "Chinese documents with consistent correspondence with IEC 60034 (all parts)" is added. This document is proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Wind Power Standardization Technical Committee (SAC/TC 50).
The previous versions of this document and its substitutes are as follows:
——It was first published as GB 18451.1-2001 in 2001;
——It was revised for the first time in 2012, and this is the second revision.
Introduction
This document outlines the minimum design requirements for wind turbine generators, but is not a complete design specification or guidance manual.
After proper demonstration, if the requirements of a clause in this document will not endanger the safety of the wind turbine generator unit, the clause can be changed. 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, organization or group of responsibility for complying with other applicable standards or regulations. This document does not specify the requirements for offshore wind turbine generators, especially the supporting structures. For offshore wind power facilities, refer to IEC 61400-3 series standards. GB/T 18451 establishes the minimum design requirements and structural design of wind turbine generator units, involving control and protection functions, internal electrical systems, mechanical systems and support structures, which are composed of design requirements and power characteristic tests.
——GB/T 18451.1 Wind Turbine Generator Set, Design Requirements. The purpose is to provide uniform design requirements to ensure wind power generation
The design of the unit is standardized to prevent damage to the wind turbine generator unit caused by various hazards.
——GB/T 18451.2 Wind Turbine Generator Set, Power Characteristic Test. The purpose is to define the power characteristic test of wind turbine
Requirements and methods to verify the generation performance of the wind turbine generator set designed in accordance with Part 1.
1 Scope
This document specifies the necessary design requirements to ensure the structural integrity of wind turbine generator units. Its purpose is to provide an appropriate degree of protection during the expected life of the wind turbine generator unit to prevent damage to the wind turbine generator unit caused by various hazards.
This document covers various subsystems of the wind turbine generator unit, such as control and protection functions, internal electrical systems, mechanical systems and support structures. This document is applicable to wind turbine generator units of all capacities. For small wind turbine generator units, refer to IEC 61,400-2. IEC 61400-3-1 imposes additional requirements on offshore wind turbine installations.
This document can be used together with IEC and ISO standards mentioned in Chapter 2.
2 Normative references
The contents in the following documents, through normative references, constitute indispensable provisions of this document. Where, for dated references, only the version corresponding to that date applies to this document; For undated references, the latest version (including all amendments) is applicable to this document.
ISO 76 Rolling bearings Static load ratings
Note: GB/T 4662-2012 Rated Static Load of Rolling Bearings (ISO76:2006,1DT)
ISO 281 Rolling bearings - Dynamic load ratings and rating life
Note: GB/T 6391-2010 Rated Dynamic Load and Rated Life of Rolling Bearings (ISO 281:2007, IDT)
ISO 2394
General principles on reliability for structures ISO 2533 Standard atmosphere
ISO 4354 Wind actions on structures
ISO 6336-2 Calculation of load capacity of spur and helical gears - Part 2: Calculation of surface durability (pitting)
Note: GB/T 3480.2-2021 Calculation of Load Carrying 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 load capacity of spur and helical gears - Part 3; Calculation of load capacity of spur and helical gears - Part 3: Calculation of tooth bending strength
Note: GB/T 3480.3-2021 Calculation of Load Capacity of Spur and Helical Gears - Part 3: Calculation of Bending Strength of Gear Teeth (ISO 6336-3: 2019. IDT)
ISO 12494 Atmospheric icing on structures
ISO 13850 Safety of machinery - Emergency stop function - Principles for design
Note: GB/T16754-2021 Mechanical Safety Emergency Stop Function Design Principles (ISO 13850:2015, IDT)
ISO/TS 16281 Rolling bearings - Methods for calculating the modified reference rating life for universally loaded bearings
Note: GB/T 36517-2018 Rolling Bearings - Calculation Method of Reference Rated Life for Bearing Correction under General Load Conditions (ISO/TS 16281:2008IDT)
Note: For Chinese documents consistent with IEC 60034 (all parts), see Appendix NA. IEC 60038 Standard voltages
3 Terms and definitions
4 Symbols and Abbreviations
5 Basic requirements
6 External conditions
7 Structural Design
8 Control system
9 Mechanical system
10 Electrical system
11 Evaluation of wind turbine generator units under specific site conditions
12 Assembly, Installation and Hoisting
13 Commissioning, Operation and Maintenance
14 Cold climate
Appendix A (Normative) Design Parameters of External Conditions
Appendix B (Informative) Assessment of Design Load Conditions or Site Adaptability of Class S Wind Turbine
Appendix C (Informative) Turbulence Model
Appendix D (Informative) Seismic Load Assessment
Appendix E (informative) Wake and wind farm turbulence
Appendix F (Informative) Wind distribution prediction of wind turbine site based on measurement correlation prediction (MCP) method
Appendix G (informative) Statistical extrapolation of loads for ultimate strength analysis
Annex H (informative) Fatigue analysis based on Miner criterion and load extrapolation method
Appendix I (Informative) Simultaneous Load
Appendix J (Informative) Prediction of Extreme Wind Speed of Tropical Cyclones by Monte Carlo Simulation
Appendix K (informative) Calibration of safety factor of structural materials and auxiliary structural design for test
Appendix L (informative) Cold Climate; Impact and assessment of icing climate
Appendix M (Informative) Medium sized Wind Turbine Generator
Appendix N (informative) Chinese documents with consistent correspondence with IEC 60034 (all parts)
Bibliography
Forword Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and Abbreviations 5 Basic requirements 6 External conditions 7 Structural Design 8 Control system 9 Mechanical system 10 Electrical system 11 Evaluation of wind turbine generator units under specific site conditions 12 Assembly, Installation and Hoisting 13 Commissioning, Operation and Maintenance 14 Cold climate Appendix A (Normative) Design Parameters of External Conditions Appendix B (Informative) Assessment of Design Load Conditions or Site Adaptability of Class S Wind Turbine Appendix C (Informative) Turbulence Model Appendix D (Informative) Seismic Load Assessment Appendix E (informative) Wake and wind farm turbulence Appendix F (Informative) Wind distribution prediction of wind turbine site based on measurement correlation prediction (MCP) method Appendix G (informative) Statistical extrapolation of loads for ultimate strength analysis Annex H (informative) Fatigue analysis based on Miner criterion and load extrapolation method Appendix I (Informative) Simultaneous Load Appendix J (Informative) Prediction of Extreme Wind Speed of Tropical Cyclones by Monte Carlo Simulation Appendix K (informative) Calibration of safety factor of structural materials and auxiliary structural design for test Appendix L (informative) Cold Climate; Impact and assessment of icing climate Appendix M (Informative) Medium sized Wind Turbine Generator Appendix N (informative) Chinese documents with consistent correspondence with IEC 60034 (all parts) Bibliography
ISO 76 滚动轴承﹑额定静载荷(Rolling bearings-Static load ratings) 注:GB/T 4662-2012滚动轴承额定静载荷(ISO76:2006,1DT) ISO 281 滚动轴承额定动载荷和额定孝命(Rolling bearings - Dynamic load ratings and rating life) 注:GB/T 6391-2010滚动轴承 额定动哉荷和额定寿命(ISO 281:2007,IDT) ISO 2394 结构可靠性的基本原则(General principles on reliability for structures)ISO 2533标准大气(Standard atmosphere) ISO 4354 风对建筑物的作用( Wind actions on structures) ISO 6336-2 直齿轮和斜齿轮承载能力计算 第2部分:齿面接触强度(点蚀)计算[Calculation of load capacity of spur and helical gears - Part 2:Calculation of surface durability (pitting)] 注:GB/T 3480.2—2021直齿轮和斜齿轮承载能力计算 第2部分:齿面接触强度(点蚀)计算(ISO 6336-2:2019,IDT) ISO 6336-3:2006 直齿轮和斜齿轮承载能力计算第3部分;轮齿弯曲强度计算(Calculation of load capacity of spur and helical gears - Part 3: Calculation of tooth bending strength) 注:GB/T 3480.3-2021直齿轮和斜齿轮承载能力计算第3部分:轮齿弯曲强度计算(ISO 6336-3:2019.IDT) ISO 12494 建筑物的大气结冰(Atmospheric icing on structures) ISO 13850 机械安全 急停功能设计原则(Safety of machinery - Emergency stop function - Principles for design) 注:GB/T16754-2021机械安全急停功能设计原则(ISO 13850:2015,IDT) ISO/TS 16281 滚动轴承 一般载荷条件下轴承修正参考额定寿命计算方法(Rolling bearings - Methods for calculating the modified reference rating life for universally loaded bearings) 注:GB/T 36517-2018 滚动轴承 一般载荷条件下轴承修正参考额定寿命计算方法(ISO/TS 16281:2008IDT) IEC 60034(所有部分) 旋转电机(Rotating electrical machines) 注:与IEC 60034(所有部分)有一致性对应关系的我国文件见附录NA.IEC 60038标准电压(Standard voltages)
