What are the requirements for a good solar street lamp panel assembly

Regarding the photovoltaic module panels of solar street lights , there are commonly used monocrystalline silicon and polycrystalline silicon, which are important components for converting light energy into electrical energy.

Regardless of the power level of the battery assembly, the number and arrangement of the internal battery slices are generally composed of 32, 36, 72, 54 and 60 series connection forms. Common arrangement methods are 4 * 8, 4 * 9, 6 * 6, 6 * 12, 6 * 9 and 6 * 10.

A solar cell module with excellent performance should meet the following requirements

①Long working life (should be greater than 20 years), low packaging cost

②Good sealing performance, windproof, waterproof and anti-corrosion;

③High mechanical strength, impact resistance and vibration resistance;

④Good electrical insulation performance and anti-ultraviolet radiation ability;

⑤ There are multiple wiring methods that can meet different voltage, current and power output requirements

⑥ The welding between the solar cells is required to be straight and firm, and when the solar cells are combined in series and parallel, the loss of photoelectric conversion efficiency is not large.

Good photovoltaic modules have tempered glass, protective film, upper electrode, lower electrical grade, sealing material, filling material, back sheet (metal-clad laminate PVF-aluminum-PVF or PVF-polyurethane-PVF layer), frame ( It is made of acid-resistant aluminum alloy), and the interconnection bar material should meet the standard.

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