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2014
Conference Paper
Titel
Outdoor Data Evaluation of Half- / Full-Cell Modules with Regard to Measurement Uncertainties and the Application of Statistical Methods
Abstract
A reduction of series resistance loss due to a declined current in halved cell modules (compared to full cell modules) is applied by several PV module manufacturers. In [1] the outdoor performance of a grid connected array, which used the half-size cell design, was examined. The advantages of half-size cells in PV modules in comparison to full-size cells were also investigated theoretically and experimentally via indoor measurements under standard test conditions by SERIS Institute [2, 3]. In a public funded BMBF project a module design was developed in cooperation with SERIS. After module manufacturing the outdoor characterization, to analyze the performance behavior under real operating conditions, was performed in a second step. For that purpose a half-size cell as well as a full-size c ell module in a standard module size were measured outdoor in an open rural test area in Germany. The following paper covers the measuring set-up and a detailed uncertainty analysis. The data evaluation is focused on filtering methods to gain reliable data sets from long-term outdoor tests of half-size and/ full-size cell modules.
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