What items need to be tested for photovoltaic cables

       The development of photovoltaic cable technology is relatively new, and most applications should follow established international standards to ensure that the cable products reach high quality and safety levels. The industry standard shelf life provided by solar panel manufacturers is 25 years. Therefore, it is sometimes recommended as the life cycle of solar cables. However, in the case of uncertain working temperatures and conditions, the rated working time of the cable cannot be accurately specified. The photovoltaic standard stipulates that the heat resistance test results can be used to predict the expected life of the cable product. The location of solar project construction, especially in remote areas, requires products with long life and low maintenance costs.

dc solar cable test items according to industry standards

       If only the thermal durability test is performed on photovoltaic cable products, the cable quality and safety level cannot be guaranteed. However, independent testing of products and proving that they meet applicable standards can provide confidence for specification makers and users.

       Although some certification bodies have developed their own photovoltaic cable product testing standards, the main internationally recognized standards for solar cable products used in DC equipment are IEC 62930: ED 1.0:2017 and BS EN 50618:2014. EN 50618 is only applicable to cables with single-core, cross-linked insulation and sheathed tinned copper soft conductors made of low-smoke halogen-free (LSHF) materials, while IEC 62930 extends this range to use or not use LSHF Single-core cross-linked insulated power cable products made of materials. Both standards stipulate strict requirements for testing photovoltaic cable products, reflecting the challenging conditions that cable products will face.

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