IEC 60891:2021

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Photovoltaic devices – Procedures for temperature and irradiance corrections to measured I-V characteristics

Published By	Publication Date	Number of Pages
IEC	2021-10-27	76

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Categories: 27.160 - Solar energy engineering, IEC

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Description

IEC 60891:2021 defines procedures to be followed for temperature and irradiance corrections to the measured I-V (current-voltage) characteristics (also known as I-V curves) of photovoltaic (PV) devices. It also defines the procedures used to determine factors relevant to these corrections. Requirements for I-V measurement of PV devices are laid down in IEC 60904-1 and its relevant subparts.
This third edition cancels and replaces the second edition published in 2009. This edition includes the following significant technical changes with respect to the previous edition:
– adds guidance on which correction procedure shall be used depending on application;
– introduces translation procedure 4 applicable to c-Si technologies with unknown temperature coefficients;
– introduces various clarifications in existing procedures to improve measurement accuracy and reduce measurement uncertainty;
– adds an informative annex for supplementary methods that can be used for series resistance determination.

Additional information

Published Code	IEC
Published By	International Electrotechnical Commission
Publication Date	2021-10-27
Pages Count	76
Language	France
Edition	3.0
File Size	2.6 MB
ICS Codes	27.160 - Solar energy engineering

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IEC 60891:2021

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