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BS EN IEC 60904-9:2020

BS EN IEC 60904-9:2020

$167.15

Photovoltaic devices – Classification of solar simulator characteristics

Published By Publication Date Number of Pages
BSI 2020 34
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IEC 60904-9:2020 is applicable for solar simulators used in PV test and calibration laboratories and in manufacturing lines of solar cells and PV modules. This document define classifications of solar simulators for use in indoor measurements of terrestrial photovoltaic devices. Solar simulators are classified as A+, A, B or C based on criteria of spectral distribution match, irradiance non-uniformity in the test plane and temporal instability of irradiance. This document provides the required methodologies for determining the classification of solar simulators in each of the categories. A solar simulator which does not meet the minimum requirements of class C cannot be classified according to this document. This document is used in combination with IEC TR 60904-14, which deals with best practice recommendations for production line measurements of single-junction PV module maximum power output and reporting at standard test conditions. This third edition cancels and replaces the second edition issued in 2007. This edition includes the following significant technical changes with respect to the previous edition: – Changed title; – Added spectral match classification in an extended wavelength range; – Introduction of new A+ class; – Definition of additional parameters for spectral irradiance evaluation; – Added apparatus sections for spectral irradiance measurement and spatial uniformity measurement; – Revised procedure for spectral match classification (minimum 4 measurement locations); – Revised measurement procedure for spatial uniformity of irradiance; – Added informative Annex for sensitivity analysis of spectral mismatch error related to solar simulator spectral irradiance.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
8 FOREWORD
10 1 Scope
11 2 Normative references
3 Terms and definitions
13 Tables
Table 1 – Global reference solar spectral irradiance distribution given in IEC 609043 contribution of wavelength intervals to total irradiance in the restricted wavelength range 400 nm to 1 100 nm
14 Table 2 – Global reference solar spectral irradiance distribution given in IEC 609043 contribution of wavelength intervals to total irradiance in the extended wavelength range 300 nm to 1 200 nm
16 4 Classification of solar simulator characteristics
Table 3 – Definition of solar simulator classifications
17 5 Measurement procedures
5.1 Introductory remarks
5.2 Spectral match
5.2.1 General
5.2.2 Apparatus
18 5.2.3 Procedure
19 5.2.4 Measurement uncertainty
Figures
Figure 1 – Locations for spectral irradiance measurement of a rectangular test area (left) and a circular test area (right)
20 5.3 Non-uniformity of irradiance in the test plane
5.3.1 General
5.3.2 Apparatus
21 5.3.3 Procedure
23 5.3.4 Uncertainty of non-uniformity measurement
5.4 Temporal instability of irradiance
5.4.1 Solar simulators for I-V measurement
24 Figure 2 – Evaluation of STI for a long pulse solar simulator
25 5.4.2 Solar simulators for irradiance exposure
Figure 3 – Evaluation of STI for a short pulse solar simulator
26 5.4.4 Uncertainty of temporal instability
5.5 AM1.5 spectral coverage (SPC)
5.6 AM1.5 spectral deviation (SPD)
6 Name plate and data sheet
28 Annex A (informative) Assessment of spectral mismatch error: Sensitivity to spectral irradiance
A.1 General
A.2 Estimation of spectral mismatch-related uncertainty when the spectral responsivities are known
29 A.3 Sensitivity of spectral irradiance for spectral mismatch error when the variation of spectral responsivities is not known
Figure A.1 – Virtual spectral responsivity with its dispersions and the modelling parameters
30 Table A.1 – Reference SR curves for typical PV technologies
31 Figure A.2 – Reference SR curves for typical PV technologies
32 A.4 Reporting
Figure A.3 – Robustness of spectral irradiance regarding spectral mismatch error
33 Bibliography

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BS EN IEC 60904-9:2020
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