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What is the difference between PV cable and ordinary cable? Sep 22,2020

PV 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 cause the field temperature of the solar system to reach 100°C. At present, various materials we can use are PVC, rubber, TPE and high-quality cross-linking materials, but unfortunately, rubber cables with a rated temperature of 90°C, and even PVC cables with a rated temperature of 70°C are also often used outdoors.In order to save costs, many contractors do not choose special cables for solar systems, but choose ordinary pvc cables to replace photovoltaic cables. Obviously, this will greatly affect the use of the system life.

 

The characteristics of PV cables depends on their special insulating materials and sheath materials for cables, which we call cross-linked PE. After being irradiated by an irradiation accelerator, the molecular structure of the cable material will change, thereby improving its performance in all aspects.

 

In fact, during installation and maintenance, cables can be routed on the sharp edges of the roof structure. At the same time, the cables must withstand pressure, bending, tension, cross-tensile loads and strong impacts. If the cable sheath is not strong enough, the cable insulation layer will be severely damaged, which will affect the service life of the entire cable, or cause short-circuit, fire, and personal injury hazards.

PV cable

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