線形補間法と直列抵抗を用いた変換式による屋外I-Vカーブデータを用いた太陽電池モジュールの劣化解析

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  • Degradation Analysis of Photovoltaic Modules with Outdoor I-V Curve Data by means of Linear Interpolation Method and Translation Formula with Series Resistance
  • センケイ ホカンホウ ト チョクレツ テイコウ オ モチイタ ヘンカンシキ ニ ヨル オクガイ I-Vカーブデータ オ モチイタ タイヨウ デンチ モジュール ノ レッカ カイセキ

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<p>Degradation analysis methods of PV modules using many outdoor Current-Voltage (I-V) curve data are proposed in this paper. The I-V curve data measured under various outdoor conditions are translated to the Standard Test Conditions (STC) by two kinds of translation procedures. Procedure.1 directly translates to the STC by linear interpolation method (LIM) with many reference I-V curves, which are created by I-V curve fittings. Procedure.2 is a combination of procedure1 and translation formula. Characteristic values such as maximum power, short circuit current, open circuit voltage, fill factor, series resistance and shunt resistance are quantitatively evaluated with both methods. Degradation rates of mono crystalline Si and polycrystalline Si modules were analyzed and accuracies were verified by comparing with indoor measurement results. Although open circuit voltage between the two proposed methods were different, the almost same annual degradation rates were obtained.</p>

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  • 太陽エネルギー

    太陽エネルギー 46 (3), 85-93, 2020-05-31

    一般社団法人 日本太陽エネルギー学会

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