Flame retardancy requirements for double-glass solar modules

4 FAQs about [Flame retardancy requirements for double-glass solar modules]

Are photovoltaic modules fire resistant?

The application of photovoltaic modules on building rooftops is globally prevalent. To ensure product safety and usability, various authoritative third-party organizations within the industry have, through extensive evolution, established the ANSI/UL 790 fire resistance test under the IEC 61730-2 standard.

Are double-glass modules flammable?

Under exposure of a strong burning fire, double-glass modules present a high degree of resistance to ignition, do not propagate fire to the roof deck or other building material, do not slip from their mounting position, and are not expected to produce any flying burning debris. (Fig. 10, 11)

Are double glass PV modules safe?

Double glass PV modules is an area of significant investigation by many companies and institutes in recent years, for example Dupont, Trina, Apollon, SERIS, MIT, Meyer Burger and Talesun. According to the literature, double glass also has some potential risks besides the abovementioned advantages.

How to improve the reliability of solar module design?

remedy most of the reliability issues in PV module design. The traditional backsheet materials of conventional solar modules was replaced with toughened (heat strengthened) 2.5 mm-thick glass. To reduce the weight of the module, the front glass thickness was also reduced to 2.5mm(Fig. 1).

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