GB/T 42766-2023 English PDF

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GB/T 42766-2023: Specifications for solar energy resource assessment of photovoltaic power generation
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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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