What happens when fire hits PV systems deployed on sloped roofs

An international research team has observed how fire propagates in PV systems installed on flat roofs and has found that a certain amount of energy is needed for a fire to start and propagate in the cavity below the solar panels. A Slovenia-Norwegian research group has investigated how fire could propagate in PV systems deployed on flat roofs and has found that the gap distance between the panels and the roofs, as well as the size of the ignition source, are key factors. "Our work builds on previous knowledge from experiments by Underwriters Laboratories (UL) more than ten years ago," the research's ...

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