A Testing and Evaluation Framework for Photovoltaic Arrays under Degradation

Dan Liddell, Yoo Hsiu Yeh, Robert Getsla, Kevin Young, Chi-ping Yeh, Jacques Dolan, Daniel Nguyen, Shahar Ben-Menahem, Steve Yang, and Abraham K. Ishihara

Keywords

solar, partial shading, hot-spots

Abstract

In this paper, we present a framework for the testing and evaluation of solar array performance that enables analysis of degradation effects, high density temperature monitoring, I-V curve traces under realistic operating conditions, and the analysis of hot-spot evolution during partial shading and its impact on power production. We describe details our software and hardware infrastructure and present data collected from our array under partial shading.

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