Photovoltaic cables, that is, photovoltaic special cables, are mainly used in photovoltaic power stations. They have the advantages of high temperature resistance, cold resistance, oil resistance, acid and alkali resistance, UV protection, flame retardant and environmental protection, and long service life. They are mainly used in harsh climate conditions; common models There are PV1-F, H1Z2Z2-K. Photovoltaic cables are often exposed to sunlight, and solar systems are often used in harsh environments such as high temperatures and ultraviolet radiation. In Europe, sunny days will lead to solar system site temperatures as high as 100°c. Currently, we can use various materials including PVC, rubber, TPE and high quality cross-link materials, but unfortunately, the rated temperature is 90°C rubber cables, even rated for 70°The PVC cables of C are also often used outdoors. The National Golden Sun Project is frequently launched. In order to save costs, many contractors do not choose special cables for solar systems, but 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 insulation and sheath materials. We call it cross-linked polyethylene. After irradiation by a radiation accelerator, the molecular structure of the cable material changes, providing various aspects of performance. The difference between photovoltaic cable and ordinary cable 1. Photovoltaic cable: conductor: copper conductor or tinned copper conductor insulation: radiation cross-linked polyolefin insulation sheath: radiation cross-linked polyolefin insulation 2. Ordinary cable: conductor: copper Conductor or tinned copper conductor Insulation: PVC or XLPE Insulation sheath: PVC sheath 3. As can be seen from the above, the conductor used is consistent with the photovoltaic cable. 4. The insulation and sheath of ordinary cables are different from photovoltaic cables as can be seen from the above. 5. Ordinary cables are only suitable for laying in ordinary environments, and photovoltaic cables can be used for laying in harsh environments. .
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