基于I-V曲线的光伏组件热斑测试与分析Test and analysis of hot spot on PV modules based on I-V curve
云平,刘恒,张志祥
摘要(Abstract)：
通过对部分热斑组件与正常组件进行红外热成像测试及I-V测试,并对I-V曲线特定区间进行线性拟合分析,确定热斑在I-V曲线上的特征参数,并以线性拟合度R2≥0.99、热斑电池的发热功率PS≥50 W作为热斑检测的判定条件;基于光伏组件热斑原理,以及热斑电池漏电流和反偏电压特征,分析了热斑组件的无阶梯型I-V曲线和有阶梯型I-V曲线两种I-V曲线类型。
关键词(KeyWords)： 光伏组件;热斑;I-V曲线;拟合度
基金项目(Foundation):
作者(Author): 云平,刘恒,张志祥
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