Photovoltaic cables are often exposed to sunlight, and solar systems are often used under harsh environmental conditions, such as high temperature and ultraviolet radiation. In Europe, sunny days will lead to solar systems with field temperatures up to 100°C. Currently, we can use each The materials are PVC, rubber, TPE and high quality cross-linked materials, but unfortunately, rubber cables rated at 90°C, and even PVC cables rated at 70°C are often used outdoors. The National Golden Sun project has been launched frequently. Many contractors do not choose special cables for solar systems in order to save costs. Instead, they choose ordinary pvc cables instead of photovoltaic cables. Obviously, this will greatly affect the service life of the system.

The characteristics of photovoltaic cables are determined by their special insulating materials and sheathing materials for cables. We call them cross-linked PEs. After irradiation accelerator irradiation, the molecular structure of the cable material will change, thus providing its performance in all aspects. .

Anti-mechanical load

In fact, during installation and maintenance, the cables can be routed on the sharp edges of the roof structure while the cables are subjected to pressure, bending, tension, cross tensile loads and strong impacts. If the strength of the cable sheath is insufficient, the cable insulation Will be severely damaged, which will affect the service life of the entire cable, or cause short circuit, fire and danger of personal injury.

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