Thin-film PV modules early degradation analysis: a case study on CIGS

A.M. Diez-Suárez, D. de la Calzada-Lorenzo, A. González-Martínez, L. Álvarez-de Prado, Á. de la Puente-Gil, J.J. Blanes-Peiró and M. de Simón-Martín

2019/07/15

Abstract

Solar Photovoltaic (PV) energy generation will be one of the main energy generation technologies in the inner future thanks to the recent and significant reduction of involved costs. One of the most promising and lowest cost technologies is the thin-film PV modules technology. Their currently lower
performance than single-Si PV modules is compensated by their lower costs and more aesthetical display, which make them especially attractive for building integration. However, because of the novelty of this technology, very few studies have been conducted to analyse its aging and degradation, which has a significant impact on the operation and maintenance needs and, in the end, in its Levelized Cost of Energy (LCOE). Thus, in this work, a systematic review on this technology and on its more frequent faults and degradation effects is conducted first. Then, a set of Copper Indium Gallium Selenide (CIGS) PV modules has been tested under real outdoor conditions and its
degradation has been analysed after 3 years operation. A new procedure for faults location and quantification has been established for this sort of PV modules; and early degradation and aging data are presented and analysed. Results show a significant early degradation of this technology and a fast expansion of the PV faults.

Published in: Renewable Energy & Power Quality Journal (RE&PQJ, Nº. 17)
Pages: 320-326 Date of Publication: 2019/07/15
ISSN: 2172-038X Date of Current Version:2019/04/10
REF: 299-19 Issue Date: July 2019
DOI:10.24084/repqj17.299 Publisher: EA4EPQ

 

Authors and affiliations

A.M. Diez-Suárez1, D. de la Calzada-Lorenzo1, A. González-Martínez1, L. Álvarez-de Prado2, Á. de la Puente-Gil1, J.J. Blanes-Peiró1 and M. de Simón-Martín1.
1. Dep. Area of Electrical Engineering. Energy Resources’ Smart Management (ERESMA) Research Group
School of Mining Engineering, Universidad de León (Spain). Campus de Vegazana s/n, Universidad de León, (Spain)
2. Dept. Area of Cartographic, Geodesic and Photogrammetric Engineering Energy Resources’ Smart Management (ERESMA) Research Group. School of Mining Engineering, Universidad de León (Spain)

Key words

Thin film PV, PV degradation and aging, PV faults, CIGS.

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