solar cable

solar cable

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Bright Prospects For Development Of Solar Energy

Solar technology will be the future of green energy technologies, solar, or photovoltaic (PV) applications increasingly widespread in China, in addition to government support the rapid development of photovoltaic power plants, the private investors are actively build factories planned production in the worldwide sales of solar modules. But for now, many countries still in the learning phase. There is no doubt, in order to obtain the best profits, industry enterprises, who need to have applications in solar energy has many years of experience in national and corporate learning.

  The profitability of the construction of cost-effective photovoltaic power plants, solar manufacturers on behalf of all the most important objectives and core competitiveness. In fact, profitability depends not only on the efficiency of its solar modules or performance, is also inseparable from a series of apparently no direct relation with the component parts. But all of these components (such as cables, connectors, junction boxes) should be based on the tenderer to select long-term investment goals. The high quality of the selected components can be avoided because of the high cost of repair and maintenance of solar systems caused a profit.

For example, people often will not be connected photovoltaic inverter wiring components and systems as key components, but, if not exclusive use of solar energy applications, cable, will affect the use of the whole system life. In fact, the solar system, often in harsh environmental conditions, such as high temperature and ultraviolet radiation. In Europe, sunny days when the solar system, the scene will lead to temperatures up to 100 ° C. At present, we can use a variety of materials are PVC, rubber, TPE and high-quality cross-linked material, but unfortunately, the rated temperature of 90 ° C the rubber cable, there is even the rated temperature of 70 ° C for PVC cable often in outdoor use, obviously, this will greatly affect the life of the system. HUBER + SUHNER cable manufacturing solar energy over 20 years. European use of solar energy devices such cables have been used for 20 years, and still is in good working condition.

Environmental stress The photovoltaic applications, outdoor use of the material shall be UV, ozone, temperature and chemical erosion dramatic circumstances. Stress in that environment to use low-grade materials, will result in the fragile cable jacket, even decomposition cable insulation. All these will directly increase the loss of cable systems, will simultaneously increase the risk of short circuit, from medium to long term, fire or personal injury of the possibility of more.

HUBER + SUHNERRADOX ® solar cable is an electron beam cross-linked cables, rated temperature 120 ° C, in their devices can withstand severe climatic conditions and withstand mechanical shock. According to international standards IEC216, RADOX ® solar cable, outdoor environment, its life is 8 times the rubber cable, PVC cable is 32 times. These cables and components not only have the best resistance to wind and rain resistance, UV and ozone erosion, and can withstand a greater range of temperature changes (for example: from? 40 ° C to 125 ° C).

Response to high temperature led to the potential dangers, manufacturers tend to use double insulated rubber sheathed cable (for example: H07RNF). However, the standard version of these cables only allow for the maximum operating temperature of 60 ° C environment. In Europe, the roof can be detected and the temperature was as high as 100 ° C.

RADOX ® solar cables of rated temperature of 120 ° C (can use the 20000 hours). The rating is equivalent to 90 ° C temperature conditions, the continued use of 18 years; and when the temperature is below 90 ° C when a longer life. Typically, the required service life of solar equipment should reach 20 to 30 years.

All these reasons, the solar system, using a dedicated solar cables and components are very essential.

Against mechanical load

In fact, during the installation and maintenance, cable sharp edge of the roof structure wiring, and cables subject to pressure, bending, tension, cross-tensile load and impact strength. If the cable jacket not strong enough, the cable insulation will be seriously damaged, affecting the life of the cable, or cause a short circuit, fire and personal injury risk and other problems.
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