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GB/T 42477-2023Specifications for meteorological observation and data inspection and correction of photovoltaic power stations (English PDF)

光伏电站气象观测及资料审核、订正技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 17, 2023

Implementation date

July 1, 2023

Scope

GB/T 42477-2023 is the English-translated version of 光伏电站气象观测及资料审核、订正技术规范.

This document specifies the requirements for meteorological observation at photovoltaic power stations and for the review, interpolation and correction of the observed data, together with the verification methods that go with them.

It covers the measurement, survey and assessment of the solar resource at a photovoltaic plant and the collection, recording, auditing, interpolation and representative-year correction of the observation data.

The document applies to the meteorological observations made for the development and use of the solar resource at photovoltaic power stations.

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Document preview — GB/T 42477-2023

National Standard of the People's Republic of China

ICS: 07.060
Classification: A 47

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Meteorological observation
4.1 Observation site
4.2 Observation elements
4.3 Observing instruments
4.4 Instrument installation
4.5 Instrument Maintenance
4.6 Data collection
4.7 Data transmission
4.8 Verification method
5 Data review
5.1 Audit Requirements
5.2 Integrity Audit
5.3 Rationality review
5.4 Abnormal data processing
5.5 Valid Data Integrity Rate Requirements
5.6 Verification method
6 Data imputation
6.1 Imputation requirements
6.2 Imputation method
6.3 Confirmation method
7 Revision of solar radiation element data on a representative year
7.1 Correction method
7.2 Verification method
Reference

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.

1 Scope

This document specifies the requirements for meteorological observation of photovoltaic power stations and observation data review, data interpolation, and solar radiation element data correction. corresponding verification methods.

This document is applicable to solar resource measurement, investigation, evaluation, development and utilization of photovoltaic power plants related to meteorological observations and collection of observation data. collection, recording, auditing, imputation and representative year corrections.

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 19565-2017 pyranometer

GB/T 31156-2014 Solar resource measurement total radiation

GB/T 33698-2017 Solar resource measurement direct radiation

GB/T 33699-2017 Solar resource measurement scattered radiation

GB/T 35221-2017 General Rules for Surface Meteorological Observation Specifications

GB/T 35222-2017 Surface Meteorological Observation Specification Cloud

GB/T 35223-2017 Surface Meteorological Observation Specification Meteorological Visibility

GB/T 35226-2017 Surface Meteorological Observation Specification Air Temperature and Humidity

GB/T 35227-2017 Surface Meteorological Observation Specifications for Wind Direction and Wind Speed

GB/T 35228-2017 Surface Meteorological Observation Standard Precipitation

GB/T 35231-2017 Surface Meteorological Observation Specification Radiation

GB/T 35237-2017 Surface Meteorological Observation Specification Automatic Observation

GB/T 37468-2019 pyranometers

GB/T 37523-2019 Technical specifications for review, interpolation and revision of wind farm meteorological observation data

GB/T 37526-2019 Solar Energy Resource Assessment Method

NB/T 32011-2013 Technical Requirements for Power Prediction System of Photovoltaic Power Station

QX/T 66-2007 Surface Meteorological Observation Specification Part 22: Quality Control of Observation Records

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Direct radiation

Radiation emanating from the surface of the sun and within a small solid angle surrounding it.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 20481-2026|GB/T 20486-2026|GB/T 22482-2026|GB/T 28593-2026|GB/T 33670-2026|GB/T 33675-2026

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