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GB/T 42766-2023: Specifications for solar energy resource assessment of photovoltaic power generation
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Specifications for solar energy resource assessment of photovoltaic power generation
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GB/T 42766-2023
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Basic data | Standard ID | GB/T 42766-2023 (GB/T42766-2023) | | Description (Translated English) | Specifications for solar energy resource assessment of photovoltaic power generation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 19,190 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-05-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42766-2023: Specifications for solar energy resource assessment of photovoltaic power generation
---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 07:060
CCSA47
National Standards of People's Republic of China
Solar energy resource assessment specification for photovoltaic power generation
generation
Released on 2023-05-23
2023-05-23 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Evaluation content 1
5 Horizontal Solar Energy Resource Assessment Requirements 2
6 Requirements for assessment of solar energy resources on the surface of photovoltaic arrays 3
7 Requirements for assessment of high impact meteorological factors of photovoltaic power generation 5
8 Evaluation Report Preparation Requirements 5
9 Verification method 6
Appendix A (Normative) Total Horizontal Radiation at Different Latitudes in the Northern Hemisphere Typical Days of Each Month8
Appendix B (Informative) Calculation Method of Probable Guaranteed Value of Annual Exposure 9
Appendix C (informative) Calculation method of total radiation on the surface of photovoltaic arrays in different installation methods 11
Appendix D (informative) Calculation method of solar radiation increase rate received by the back of double-sided photovoltaic modules 14
Reference 15
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:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document was proposed by the China Meteorological Administration:
This document is under the jurisdiction of the National Standardization Technical Committee on Climate and Climate Change (SAC/TC540):
This document was drafted by: China Meteorological Administration Public Weather Service Center, Guohua Energy Investment Co:, Ltd:, Tongwei Solar (Hefei) Co:, Ltd:
Company, China Datang Corporation New Energy Science and Technology Research Institute Co:, Ltd:, TBEA Xinjiang New Energy Co:, Ltd:, China Power Construction Group Co:, Ltd:
Group Guizhou Electric Power Design and Research Institute Co:, Ltd:, Chengdu University of Information Engineering, China Quality Certification Center:
The main drafters of this document: Shen Yanbo, Wuri Bupleurum, Liu Xiaoqi, Li Wei, Tang Hongfen, Zhang Shengzhong, Li Changgang, Su Zhiguo, Li Chun,
Ma Xueyun, Wang Tingting, Liu Tian, Ji Rui, Zhang Rui, Zhang Yu, Wen Xiaohang, Zheng Xiangyang:
Solar energy resource assessment specification for photovoltaic power generation
1 Scope
This document specifies the content of solar resource assessment for photovoltaic power generation, horizontal plane solar resource, photovoltaic array surface solar
Requirements for the evaluation of high-impact meteorological factors for photovoltaic power generation and the requirements for the preparation of evaluation reports, and describe the corresponding verification methods:
This document is applicable to the calculation, analysis and evaluation of solar energy resources in the planning, design, post-evaluation and other stages of various photovoltaic power generation projects:
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:
GB/T 31155-2014 Solar resource grade total radiation
GB/T 31156-2014 Solar resource measurement total radiation
GB/T 37525-2019 Guidelines for Calculation of Direct Solar Radiation
GB/T 37526-2019 Solar Energy Resource Assessment Method
GB 50797-2012 Code for Design of Photovoltaic Power Stations
QX/T 436-2018 Climatic Feasibility Demonstration Specification Calculation of Wind Resistance Parameters
QX/T 548-2020 Temperature Influence Grade of Solar Cell Power Generation Efficiency
3 Terms and Definitions
The following terms and definitions defined in GB/T 37526-2019 apply to this document:
3:1
The sum of the direct radiation received by the surface of the photovoltaic array, the scattered radiation and the reflected radiation of the underlying surface:
3:2
Under the actual atmospheric conditions, it can represent the average solar resource status of a photovoltaic power generation project for one year:
3:3
Under ideal atmospheric conditions, the day on which the total horizontal surface radiation is closest to the average daily radiation of the month:
4 Evaluation content
Solar resource assessment for photovoltaic power generation should include three aspects, the specific contents are:
a) Analysis and evaluation of solar energy resources on the horizontal plane, mainly the calculation, analysis and evaluation of the solar radiation energy reaching the equipment placed horizontally
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