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Product model: photovoltaic cable (PV cable)
Conductor cross section: photovoltaic cable
The Solar Cable Introduction:
Solar energy technology will become the future of green energy technologies, solar or photovoltaic (PV) in China become more and more widely used, in addition to the government support the development of photovoltaic power generation factory quick outside, private investors are also actively build factories, plans to put into operation in global sales of solar modules. But as far as the present is concerned, many countries are still in the learning stage. There is no doubt that, in order to obtain the best profit, the industry enterprises, all need to have many years of experience in the field of solar energy applications and companies to learn.
Building an economically efficient and profitable photovoltaic power plant represents the most important goals and core competencies of all solar manufacturers. In fact, profitability depends not only on the efficiency of the solar module itself or high performance, but also can not be separated from a range of surface components without a direct relationship with the component. But all of these components (such as cables, connectors, junction boxes) should be selected based on the long-term investment objectives of the tender. The high quality of the selected components can be avoided due to high maintenance costs and the solar system can not be profitable. For example, people usually will not be connected PV module and inverter wiring system is regarded as the key part, however, if not use the solar energy application of special cables, will affect to the service life of the whole system.
In fact, the solar system often used in harsh environmental conditions, such as high temperature and ultraviolet radiation. In Europe, when the sun will lead to the field temperature of the solar system up to 100 degrees C. At present, we can adopt a variety of material has PVC, rubber, TPE, and high quality cross link materials. But it is a pity that the rated temperature for 90 DEG C rubber cable, and even rated temperature is 70 degrees of PVC cable often used outdoors. Obviously, this will greatly influence the service life of the system.
HUBER+SUHNER solar cable production has more than 20 years of history. European solar equipment using such cables has been in use for more than 20 years, and is still in good working condition.
Photovoltaic cable is used in the maximum allowable 1.8kv (wire core to core wire, non-contact system) DC voltage, DC side in the photovoltaic system of single cable (wire), the product suitable for in the second class safety grade use, cable runs with a highest ambient temperature to 90 DEG C, the cable can be in parallel with use.
Photovoltaic applications, outdoor use materials should be based on ultraviolet radiation, ozone, extreme temperature changes and chemical erosion and. In the use of low-grade materials under stress to the environment, will lead to the cable sheath is fragile, even decomposition of cable insulation. All of this will directly increase the risk of loss of the cable system, the cable short circuit occurred at the same time will also increase, from the long-term perspective, the possibility of a fire or personal injury is also higher.
Huber + Suhner radox & reg; solar cables is an electron beam cross link cable, rated temperature of 120 DEG C, in the equipment can withstand the harsh climate and subjected to mechanical shock. According to the international standard IEC216, radox & reg; solar cables. In the outdoor environment, its service life is 8 times that of cable, rubber, is 32 times the PVC cables. These cables and components not only has the best anti wind resistance, ultraviolet and ozone corrosion resistance, temperature change and can withstand greater range (e.g. from - 40 DEG C to 125 DEG C).
The potential danger to cope with high temperatures, manufacturers tend to use double insulated rubber sheathed cable (for example: H07 RNF). But the standard version of the cable is only allowed for the highest working temperature is 60 DEG C under. In Europe, on the roof that can measure the temperature value is as high as 100 ~ C.
XI'AN GALAXY solar cable rated temperature is 120 ~ C (can be used for 20000 hours). This value corresponds to the rated continuous temperature at 90 DEG C can be used for 18 years; and when the temperature is below 90 DEG C, the longer service life. Usually, the requirements of solar equipment life should reach 20 to 30 years.
Based on the above reasons, the use of special solar cables in the solar system and components is very necessary.
Resistance to mechanical load:
In fact, during installation and maintenance, cable wiring in the roof structure with a sharp edge, while the cable must withstand pressure, bending, tension, cross tension load and strong impact. If the cable sheath strength is not enough, seriously damage the insulation layer of the cable will, thus affecting the entire cable life, or lead to short circuit, fire and personnel injury risk issues.
The radiation cross linking material with high mechanical strength. Cross linking process changed the chemical structure of the polymers, hot melt plastic material conversion for non fusible elastomer material, radiation cross link significantly improved the cable insulating material thermal properties, mechanical properties and chemical properties.
As the world's largest solar market, Germany has met all of the problems associated with cable selection. Now in Germany, more than 50% of the equipment using HUBER+SUHNER RADOX cable dedicated to the application of solar energy. Now, it is time we experience.
XI'AN GALAXY CABLE: appearance quality
XI'AN GALAXY CABLE cable:
Perfect the cable core concentricity
The distribution of concentric cable core
The diameter of the cable (XI'AN GALAXY cable diameter larger than 40%)
The sheath of uneven thickness (caused by surface defects of the cable)
Difference between photovoltaic cable and photovoltaic cable and ordinary cable:
Photovoltaic cables are often exposed to sunlight, and solar systems are often used in harsh environments, such as high temperature and ultraviolet radiation. In Europe, when the sun will lead to the field temperature of the solar system up to 100 degrees C. At present, we can adopt a variety of material has PVC, rubber, TPE, and high quality cross link materials, but unfortunately, the rated temperature for 90 DEG C rubber cable and even rated temperature is 70 degrees of PVC cable is often used in the open air, the national golden sun project frequently launched, many contractors in order to save costs, not to choose special cable for solar system, choosing instead to ordinary PVC cable to replace the photovoltaic cable. Obviously, this will greatly influence the service life of the system.
Characteristics of photovoltaic cable is by the cable special insulating materials and sheath materials, we call for Crosslinked PE, after irradiation accelerator, the molecular structure of the cable material will change, thus providing the performance. Resistance to mechanical load in fact, during installation and maintenance, cable wiring in the roof structure with a sharp edge, while the cable must withstand pressure, bending, tension, cross tension load and strong impact. If the cable sheath strength is not enough, seriously damage the insulation layer of the cable will, thus affecting the entire cable life, or lead to short circuit, fire and personnel injury risk issues.