Why do photovoltaic panels have white spots
The problem occurs when ethylene vinyl acetate (EVA) film, a material used as an encapsulant on the panel, undergoes an uncontrolled chemical reaction.
The problem occurs when ethylene vinyl acetate (EVA) film, a material used as an encapsulant on the panel, undergoes an uncontrolled chemical reaction.
Hotspots occur when specific solar cells within a solar PV panel become overheated due to localized shading, dirt, or manufacturing defects.
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