Photovoltaic cable
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Descriptions：
Product introduction:
Solar energy technology will become one of the green energy technologies in the future. Solar energy or photovoltaic (PV) is increasingly widely used in China. In addition to government-supported photovoltaic power plants developing rapidly, private investors are also actively building factories and planning to put into production solar modules for global sales.
Solar energy systems are often used under harsh environmental conditions, such as high temperatures and ultraviolet radiation. In Europe, sunny days can cause on-site temperatures of solar systems to reach 100 ° C. Materials used outdoors for solar energy systems should be based on ultraviolet light, ozone, severe temperature changes and chemical erosion. Using low-grade materials under such environmental stresses will cause the cable sheath to be fragile and even decompose the cable insulation. All of these situations directly increase the loss of the cable system and the risk of short circuits in the cable.It will also increase, and in the medium and long term, the possibility of fire or personal injury will also be higher.
Photovoltaic cable is a kind of electronic east cross-link cable with a rated temperature of 120 ° C. It is a material that is radiated cross-linked and has high mechanical strength. The cross-linking process changes the chemical structure of the polymer, and the meltable thermoplastic material is converted into a non-meltable elastomer material. The cross-linking radiation significantly improves the thermal, mechanical and chemical characteristics of the cable insulation material, which can be used in the equipment. Resist harsh weather and withstand mechanical shocks. According to the international standard IEC216, the service life of the photovoltaic cables produced by our company in an outdoor environment is 8 times that of rubber cables and 32 times that of PVC cables. These cables and components not only have the best resistance to weather, ultraviolet and ozone attack, but also withstand a wider range of temperature changes: from-40 ° C to 125 ° C.
Model Specifications:
| product name | photovoltaic cable |
| model | PV1-F |
| specifications | 2.5mm²、4mm²、6mm²、10mm²、16mm² |
| rated voltage | AC0.6/1kv DC 1.8kv |
| conductor | tinned copper wire |
| insulating material | Irradiation crosslinked polyolefin insulation |
| sheath material | Irradiation crosslinked polyolefin sheath |
| rated temperature | -40℃~120℃ |
The difference between ordinary cables and photovoltaic cables
| properties | ordinary cable | photovoltaic cable |
| guide body | Copper conductor or tin-plated copper conductor | Copper conductor or tin-plated copper conductor |
| insulation | Polyvinyl chloride or cross-linked polyethylene insulation | Irradiation cross-linked polyolefin insulation |
| sheathing | PVC sheathed | Irradiation cross-linked polyolefin sheath |
Analysis:
1. Ordinary cables can be seen from Table 1 that the conductors used are consistent with photovoltaic cables.
2. It can be seen from Table 1 that ordinary cable insulation and sheath are different from photovoltaic cables.
3. Ordinary cables are only suitable for laying and use in ordinary environments.
4. Advantages of photovoltaic power cables: high temperature resistance, cold resistance, oil resistance, acid, alkali and salt resistance, ultraviolet resistance, flame retardant, and environmental protection. Photovoltaic power cables are mainly used in harsh climates and have a service life of more than 25 years.
Product structure chart
Photovoltaic applications
The PVI-F halogen-free cable for solar photovoltaic power generation equipment is designed according to the special environmental conditions in which photovoltaic power generation equipment is located. It is mainly suitable for outgoing links of DC voltage terminal power generation equipment and junction links between components. The photovoltaic point-emitting equipment system with the highest voltage DC1.8KV can be used in deserts with large temperature differences between day and night, coastal areas with salt fog and dampness, and areas with strong radiation on plateau.
Key words:
Photovoltaic cable
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