Description of performance degradation of photovoltaic modules using spectral mismatch correction factor under different irradiance levels

Yurie Imai, Jakapan Chantana, Yu Kawano, Yoshihiro Hishikawa and Takashi Minemoto

Renewable Energy, 2019, vol. 141, issue C, 444-450

Abstract: Outdoor short-circuit current (ISC) of test photovoltaic (PV) modules, i.e., (1) multi-crystalline silicon, (2) heterostructure-with-intrinsic-thin-layer, (3) single-crystalline silicon back-contact, (4) CuInSe2, and (5) CdTe modules, was evaluated using single-crystalline silicon (sc-Si) PV module as PV module irradiance (Irr) sensor (PVMS). PVMS is used to estimate simultaneous Irr and spectral mismatch correction factor (MMPVMS). The measured ISC (ISC-meas) of the test PV modules at outdoor location under various conditions was corrected to the ISC under standard test condition (STC) for the corrected ISC (ISC-corrected) using the MMPVMS and simultaneous Irr, yielding the description of the degradation of the test PV modules for the credibility of their fabrication technology. Moreover, the estimation of ISC-corrected of the test PV modules under different Irr levels was performed. The ISC-corrected with high precision, close to ISC under STC, was obtained under Irr level of ≥0.2 sun, observed by the PVMS. This leads to the increase the investigation opportunity on both sunny day and cloudy day. The ISC-corrected with the highest precision is moreover obtained under Irr level of ≥0.7 sun. The method using the simultaneous Irr and MMPVMS observed by the PVMS could be applicable under the large fluctuation of the Irr levels.

Keywords: Spectral mismatch correction factor; Spectral response; PV module irradiance sensor; Short-circuit current; Degradation performances; Irradiance levels (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:141:y:2019:i:c:p:444-450

DOI: 10.1016/j.renene.2019.04.015

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