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Measuring Method of Moisture Ingress into Photovoltaic Modules

机译:水分进入光伏组件的测量方法

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摘要

The reliability of photovoltaic (PV) modules is related to the ingress of moisture in some cases. We investigated the measurement method of moisture ingress into PV modules. In order to detect the moisture ingress route into the module, cobalt chloride (CoCI_2) paper was used. The change in the color of CoCI_2 paper is effective in detecting and quantifying moisture ingress. The results suggested that the main route of moisture ingress is along the back material and moisture gradually diffuses to the center of the cell. The rate of moisture ingress into the PV module depends on the water-vapor transmission rate (WVTR) of the back material. The amount of moisture estimated from a calibration curve is correlated to the amount of moisture calculated from the WVTR of the back material.
机译:在某些情况下,光伏(PV)模块的可靠性与水分的进入有关。我们研究了水分进入光伏组件的测量方法。为了检测水分进入模块的路径,使用了氯化钴(CoCI_2)纸。 CoCI_2纸的颜色变化对于检测和定量水分进入有效。结果表明,水分进入的主要途径是沿着背面物质,水分逐渐扩散到细胞的中央。水分进入PV模块的速率取决于背面材料的水蒸气透过率(WVTR)。根据校准曲线估算的水分含量与根据背面材料的WVTR计算的水分含量相关。

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  • 来源
    《Japanese journal of applied physics》 |2012年第10issue2期|10NF12.1-10NF12.4|共4页
  • 作者单位

    Photovoltaic Power Generation Technology Research Association (PVTEC), Chiyoda, Tokyo 102-0074, Japan,Seta Plant, Toray Industries, Inc., Otsu 520-2141, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Tosu, Saga 841-0052, Japan;

    National Institute of Advanced Industrial Science and Technology (AIST), Tosu, Saga 841-0052, Japan;

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