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ACCURACY OF INLINE IV MEASUREMENTS UNDER INDUSTRIAL CONDITIONS

机译:工业条件下在线IV测量的准确性

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In this paper the precision of the current measurement of an inline IV-tester with flash lamp isdetermined. To evaluate the repeatability and the impact of cell positioning on the overall repeatability a group ofequally processed mc-Si solar cells was used. These measurements show that the contacting has a very smallinfluence on the repeatability of the short circuit current measurements, which demonstrates the precision of theautomation. To investigate the influence of the spectral mismatch as calculated from the spectral irradiance datasupplied by the manufacturer on the absolute value of the short circuit current, four series of measurements withdifferent reference cells were performed on solar cells processed equally. The measurements show a wide deviationof the absolute values of the short circuit current depending of the reference cell used. These differences cannot beexplained by the calculated spectral mismatch alone.
机译:在本文中,带闪光灯的在线IV测试仪的电流测量精度为 决定。为了评估可重复性以及单元定位对整体可重复性的影响,一组 使用了均等加工的mc-Si太阳能电池。这些测量表明,接触具有非常小的 对短路电流测量的可重复性的影响,这表明了短路电流测量的精度 自动化。研究根据光谱辐照度数据计算出的光谱不匹配的影响 由制造商提供的短路电流的绝对值,经过四个系列的测量 对同样处理的太阳能电池执行不同的参考电池。测量结果显示出很大的偏差 短路电流的绝对值的最大值取决于所使用的参考电池。这些差异不能 仅由计算出的光谱失配来解释。

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