GB/T 33629-2024 English PDFGB/T 33629: Historical versions
Basic dataStandard ID: GB/T 33629-2024 (GB/T33629-2024)Description (Translated English): Wind energy generation systems - Lightning protection Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: F11 Classification of International Standard: 27.180 Word Count Estimation: 154,116 Date of Issue: 2024-09-29 Date of Implementation: 2025-04-01 Older Standard (superseded by this standard): GB/T 33629-2017 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 33629-2024: Wind energy generation systems - Lightning protection---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 Replaces GB/T 33629-2017 Lightning protection for wind power generation systems Part 24.Lightningprotection,IDT) Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and definitions 3 4 Symbols and units 8 5 Abbreviations11 6 Lightning environment of wind turbine generator set 12 6.1 General 12 6.2 Lightning current parameters and lightning protection level (LPL) 12 7 Lightning exposure assessment14 7.1 Overview 14 7.2 Analysis of lightning strike frequency affecting a single or a group of wind turbines 15 7.3 Assessing the risk of damage19 8 Lightning protection of components 21 8.1 General 21 8.2 Blade 22 8.3 Nacelle and other structural components 25 8.4 Mechanical transmission system and yaw system 27 8.5 Electrical low-voltage systems and electronic systems and equipment 29 8.6 Electrical High Voltage (HV) Power Systems 37 9 Grounding of wind turbines 38 9.1 Overview 38 9.2 Equipotential bonding 40 9.3 Structural components 40 9.4 Electrode shape and size 42 9.5 Operation and maintenance of grounding systems 42 10 Personal safety42 11 Documentation of lightning protection systems 43 11.1 Overview 43 11.2 Documents Required for Design Assessment 44 11.3 Site-related information 45 11.4 Documents provided in the manual for LPS inspections 46 11.5 Manual 46 12 Inspection of lightning protection system 46 12.1 Inspection scope 46 12.2 Checking order 46 12.3 Maintenance 48 Appendix A (Informative) Lightning Phenomena Related to Wind Turbine Generators 49 Appendix B (Informative) Lightning Risk Assessment 59 Appendix C (Informative) Methods for protecting blades 71 Appendix D (Normative) Test Specification 81 Appendix E (Informative) Lightning Environment and Application of Lightning Protection Zones (LPZ) 101 Appendix F (Informative) Selection and installation of coordinated SPD protection in wind turbines 109 Appendix G (informative) Information on equipotential bonding and shielding and installation techniques 113 Appendix H (Informative) Test method for system immunity test 117 Appendix I (Informative) Grounding System 122 Appendix J (informative) Examples of defined measurement points 128 Appendix K (Informative) Classification of lightning damage based on risk management 129 Appendix L (Informative) Monitoring System 136 Appendix M (Informative) Guidelines for Small Wind Turbines 138 Appendix N (Informative) Guidelines for Blade Similarity Verification 139 Appendix O (Informative) Guidelines for Validation of Numerical Analysis Methods 141 Appendix P (informative) Rotating parts test 143 Appendix Q (Informative) Wind Farm Grounding System 147 References 148ForewordThis 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 33629-2017 "Lightning protection for wind turbines". Compared with GB/T 33629-2017, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. --- Added a review of lightning exposure assessment (see 7.1); --- Changed the analysis of lightning strike frequency affecting a single or a group of wind turbines (see 7.2, 7.2 of the.2017 edition); --- Changed the lightning protection requirements for blades (see 8.2.2, 8.2.2 of the.2017 edition); --- Added requirements for bearing lightning strike test (see 8.4.2); --- Change the informative Appendix D to a normative appendix (see Appendix D, Appendix D of the.2017 edition). This document is equivalent to IEC 61400-24.2019 "Wind energy generation systems Part 24.Lightning protection". The following minimal editorial changes were made to this document. --- To coordinate with the existing standards, the document name is changed to. "Lightning Protection 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 these 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. China Huaneng Group Clean Energy Technology Research Institute Co., Ltd., Huaneng Jiangxi Clean Energy Co., Ltd., CGN Wind Power Co., Ltd., Beijing Qianyuan Wind Power Technology Co., Ltd., Goldwind Science & Technology Co., Ltd., Windey Energy Technology Group Co., Ltd. Co., Ltd., Mingyang Smart Energy Group Co., Ltd., Harbin Electric Wind Energy Co., Ltd., Siemens Gamesa Renewable Energy Technology (China) Co., Ltd. Shanghai University, Shanghai Energy Technology Development Co., Ltd., State Power Investment Corporation Jiangxi Electric Power Co., Ltd., Beijing Goldwind Wind Power Equipment Co., Ltd. Co., Ltd., Shanghai Electric Wind Power Group Co., Ltd., China Three Gorges Corporation, Zhuzhou Times New Materials Technology Co., Ltd. Company, State Power Investment Group Hubei Electric Power Co., Ltd. Wind Power Branch, Guangdong Energy Group Science and Technology Research Institute Co., Ltd., Envision Energy Co., Ltd., CRRC Shandong Wind Power Co., Ltd., Guodian United Power Technology Co., Ltd., China Quality Certification Center, CSSC Offshore Wind Power Co., Ltd. Company, International Copper Professional Association (USA) Beijing Representative Office, CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd., Beijing Jianheng Certification Center Co., Ltd. Company, China Science and Technology Development Co., Ltd., Yunnan Energy Investment Co., Ltd., China Southern Power Grid Research Institute Co., Ltd., Dehesheng Electric (Shanghai) Co., Ltd., State Grid Electric Power Research Institute Wuhan Nanrui Co., Ltd., Xiamen Shuangrui Wind Power Technology Co., Ltd. company. The main drafters of this document are. Cai Anmin, Li Yuan, Yu Rongsheng, Lei Zhengping, Zhuang Yan, Li Rui, Xu Guodong, Zhang Qiying, Zeng Xingguo, Li Yue, Zhou Qibin, Deng Yi, Huang Yue, Wei Min, Li Xuhui, Ruan Qingzhou, Zhang Tianxi, Huang Hong, Su Ying, Yang Zhiyi, Feng Xuebin, Xu Aimin, Li Yuejin, Yao Yong, Han Bing, Li Juan, Wu Yongpeng, Wang Qiang, Li Fu, Lü Bin, Wang Dagang, Liang Ruili, Li Haoran, Xu Yu, Zhou Qiang, Duan Jiahua, Qu Lu, Li Hongjun, Wang Yu, Zhang Xiangdong. This document was first published in.2017 and this is the first revision. Lightning protection for wind power generation systems1 ScopeThis document applies to lightning protection for wind turbines and wind power generation systems. Record M. This document specifies the lightning environment for wind turbines and the environmental application of risk assessment for wind turbines. Requirements for blades, other structural components, and electrical and control systems subjected to direct and indirect lightning effects. Suggested testing methods are given. This document gives guidance on the use of relevant lightning protection, industrial electrical and electromagnetic compatibility standards, including how to Ground. Guidance on personal safety is given in this document. Guidelines for damage statistics and reporting are given in this document. Normative references are used to compile lightning protection specifications for machinery, devices and electromagnetic compatibility (EMC) in low-voltage and high-voltage systems. Use standard.2 Normative referencesThe 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 latest version (including all amendments) applies to this document. This document. GB/T 21714.1-2015 Lightning protection Part 1.General (IEC 62305-1.2010, IDT) GB/T 21714.2-2015 Lightning protection Part 2.Risk management (IEC 62305-2.2010, IDT) GB/T 21714.3-2015 Lightning protection Part 3.Physical damage to buildings and life hazards (IEC 62305-3. 2010, IDT) GB/T 21714.4-2015 Lightning protection Part 4.Electrical and electronic systems in buildings (IEC 62305-4.2010, IDT) IEC 60364-4-44 Low voltage electrical installations Part 4-44.Protection against voltage disturbances and electromagnetic disturbances (Low- voltage electrical installations-Part 4-44.Protection for safety-Protection against voltage Note. GB/T 16895.10-2021 Low voltage electrical installations Part 4-44.Safety protection against voltage disturbances and electromagnetic disturbances (IEC 60364-4-44. 2018, IDT) IEC 60364-5-53 Low-voltage electrical installations Part 5-53.Selection and installation of electrical equipment - Safety, isolation, switching, control and equipment-Isolation,switchingandcontrol) Note. GB/T 16895.22-2022 Low voltage electrical installations Part 5-53.Selection and installation of electrical equipment for safety protection, isolation, switching, control Control and monitoring appliances (IEC 60364-5-53.2020, MOD) IEC 60364-5-54 Low-voltage electrical installations Part 5-54.Selection and installation of earthing arrangements, protective conductors and protection conductors for electrical equipment Note. GB/T 16895.3-2017 Low voltage electrical installations Part 5-54.Selection and installation of grounding configurations and protective conductors for electrical equipment (IEC 60364-5-54.2011, IDT) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 33629-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 33629-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 33629-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 33629-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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