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GB/T 38957-2020: Technical specification for effect evaluation of tropical cyclone on offshore wind power project
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| GB/T 38957-2020 | English | 259 |
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Technical specification for effect evaluation of tropical cyclone on offshore wind power project
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GB/T 38957-2020
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Basic data | Standard ID | GB/T 38957-2020 (GB/T38957-2020) | | Description (Translated English) | Technical specification for effect evaluation of tropical cyclone on offshore wind power project | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 14,110 | | Date of Issue | 2020-07-21 | | Date of Implementation | 2020-07-21 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38957-2020: Technical specification for effect evaluation of tropical cyclone on offshore wind power project
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Technical specification for effect evaluation of tropical cyclone on offshore wind power project
ICS 07.060
A47
National Standards of People's Republic of China
Technical specification for tropical cyclone impact assessment of offshore wind farms
powerproject
2020-07-21 released
2020-07-21 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Determination of assessment area 3
5 Data collection and processing 3
6 Tropical cyclone risk assessment 3
7 Evaluation of the benefits of tropical cyclone power generation 5
Appendix A (Normative Appendix) Wind speed calculation at hub height under standard air density 6
Appendix B (Normative Appendix) Poisson-Gumbel distribution affected by tropical cyclones 7
Reference 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Meteorological Administration.
This standard is under the jurisdiction of the National Climate and Climate Change Standardization Technical Committee (SAC/TC540).
Drafting organizations of this standard. Public Meteorological Service Center of China Meteorological Administration, Chinese Academy of Meteorological Sciences, Guangdong Meteorological Administration, Beijing JiuWei
Xiang Technology Co., Ltd., China Three Gorges New Energy (Group) Co., Ltd., Xinjiang Goldwind Technology Co., Ltd., China Guangdong Nuclear Power Co., Ltd.
the company.
The main drafters of this standard. Wang Binglan, Song Lili, Li Ying, Quan Lihong, Huang Haohui, Chen Wenchao, Yuan Chunhong, Zhishiqun, Liu Bing, Nanlan,
Ning Qiaozhen, Ao Juan, Li Jing, Dong Li, Cheng Hexiang.
Technical specification for tropical cyclone impact assessment of offshore wind farms
1 Scope
This standard specifies the determination of tropical cyclone impact assessment areas, data collection and processing, tropical cyclone risk assessment and tropical cyclone risk assessment for offshore wind farms.
Technical methods for benefit evaluation of cyclone power generation.
This standard applies to tropical cyclone risk assessment and power generation benefit assessment for offshore wind power development.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 31519-2015 Typhoon wind turbine
GB/T 36745-2018 Typhoon Vortex Wind Data Discrimination Specification
NB/T 31147-2018 Technical Specification for Wind Energy Resource Measurement and Evaluation of Wind Farm Project
QX/T 438-2018 Bridge Design Wind Speed Calculation Code
IEC 61400-1.2019 Wind energy generation systems-Part 1.Design requirements (Windenergygenerationsystems-Part 1.
Designrequirements)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Offshorewindpowerproject
Wind farms are developed and constructed in the sea areas below the average high tide line of the coast for many years and on islands without residents in the corresponding development sea areas.
Note. Rewrite NB/T 31029-2012, definition 2.0.3.
3.2
Tropical cyclone
Generated on the surface of tropical or subtropical oceans, there are non-frontal vortices with organized convection and definite cyclonic circulation.
Note 1.Including tropical depression, tropical storm, strong tropical storm, typhoon, strong typhoon and super typhoon.
Note 2.Rewrite GB/T 19201-2006, definition 2.1.
3.3
Engineeringarea
A closed sea area composed of several control points on the periphery of an offshore wind farm.
3.4
Evaluationofthebenefitsoftropicalcycloneenergyproduction
Evaluation of power generation efficiency in the peripheral wind area of tropical cyclones that meets the power generation conditions of wind turbines.
3.5
Evaluationarea
Extend a certain range beyond the boundary of the project area to be used for risk assessment or benefit assessment.
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