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Progress in Photovoltaics Research and Applications
Article . 2023 . Peer-reviewed
License: Wiley Online Library User Agreement
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Performance evaluation of procedures used to correct measured I‐V characteristics of photovoltaic modules for temperature and irradiance

Authors: Wenhao Xu; Christos Monokroussos; Harald Müllejans; Werner Herrmann;

Performance evaluation of procedures used to correct measured I‐V characteristics of photovoltaic modules for temperature and irradiance

Abstract

AbstractIEC 60891 ed.3 published in 2021 has defined four standard I‐V characteristics correction procedures numbered 1 through 4. The aim of this work is to evaluate these four I‐V translation methods. The results show that correction procedure 1 (CP1) and 2 (CP2) work well over a broad range of irradiances and temperatures. However, CP1 requires I‐V curves being measured adequately down to negative current regime at low‐irradiance levels and CP2 is not so suitable for low shunt‐resistance modules; both also require a set of correction parameters. Based on our performance analysis, a new method based on CP2 is introduced to improve the correction performance for low shunt‐resistance modules; the mean bias error (MBE) value of maximum power (PMAX) improved from −10.26% to −1.32%. Correction procedure 3 (CP3) employs a drastically different correction procedure as compared with the other CPs. This work shows that CP3 works well over a broad range of irradiances and temperatures, but significant distortion of the corrected I‐V curves may occur when extrapolation is required. Correction procedure 4 (CP4) requires only a single I‐V curve and shows generally good results in short‐circuit current (ISC) but worse agreement in open‐circuit voltage (VOC) and PMAX.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Top 10%
Average
Top 10%
Green