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Title:
 
Challenges in Measuring the True Efficiency of CIGS Modules
 
Author(s):
 
A. Avellán, P. Borowski, M. Grünerbel, F. Karg
 
Keywords:
 
Qualification and Testing, CIGS, Characterisation, Characterization, Sweep duration
 
Topic:
 
THIN FILM SOLAR CELLS
Subtopic: CdTe, CIS and Related Ternary and Quaternary Thin Film Solar Cells
Event: 28th European Photovoltaic Solar Energy Conference and Exhibition
Session: 3AO.4.6
 
Pages:
 
2118 - 2124
ISBN: 3-936338-33-7
Paper DOI: 10.4229/28thEUPVSEC2013-3AO.4.6
 
Price:
 
 
0,00 EUR
 
Document(s): paper
 

Abstract/Summary:


Obtaining correct power in fast flasher measurements is a challenge in thin-film photovoltaic modules. Transients on various timescales, a dependence on module history (lightsoaking effect) as well as on measurement type are observed. 20 AVANCIS PowerMax® modules (CIGS thin film) about 1 square metre in size were flashed under varying conditions to determine the measurement procedure which most closely reflects real outdoor behaviour. From the results presented, we conclude with a list of recommended measurement procedures for Avancis modules. With the most-favoured of those, agreement between flasher and outdoor measurements is found to be within 2%. A round robin experiment involving three external test labs was conducted and the results are in agreement with the measurements presented.