Popularization of industry Science: How long can solar street lamps be used?

by:Road Smart     2020-02-23
Solar street lamps rely on their solar panels to absorb sunlight and then convert it into electric energy for lighting. The Source solar street lamps tell everyone here that the sunshine here is not absolute, it does not mean that the panel will work only when the sun is shining. It should be that as long as there is a light solar cell, it can store energy. The stronger the light, the higher the conversion efficiency. Solar energy is generated by the huge nuclear energy released by the fusion of internal hydrogen atoms, and the radiation energy from the sun. Plants release oxygen, absorb carbon dioxide through photosynthesis, and convert solar energy into chemical energy to be stored in plants. Fossil fuels such as coal, oil and natural gas were also formed by the evolution of ancient animals and plants buried underground through a long geological era. Wind energy and so on are also converted by solar energy. In general areas, the capacity of the battery only needs to be guaranteed for 3 to 7 consecutive rainy days. There are also manufacturers in the industry that can guarantee the rainy days for one month. How long can it be used in rainy days? The solar street lamp lights up for eight hours a day, and the general manufacturer will highlight it for the first four hours and then for the last four and a half hours, so that the lamp can be lit on rainy days--7 days. If it rains for a long time, an intelligent control system can be installed at this time. It adds an energy-saving protection mode on the original basis. When the specific voltage of the storage battery is lower than the set voltage, the controller will enter the energy saving mode by default and reduce the output power by 20%. This greatly prolongs the lighting time and keeps the power supply in rainy days. Therefore, when buying products, we should combine our own needs. Of course, the price with high configuration is also expensive. If you want solar street lamps to last longer and not be affected by rainy days, you can have a higher configuration, but the unit price will be higher. On the other hand, the service life of LED light source and storage battery can be considered. If the storage battery is used correctly, the service life can reach more than 5 years. When designing the configuration, the manufacturer must consider the bearing capacity of the storage battery. If the daily power generation of the solar panel is 45Ah, the selected battery capacity must be larger than 45AH. The battery can choose more than 50Ah. The regular manufacturers here will choose the battery with a slightly larger capacity. The small manufacturers will choose a smaller or just 45AH battery in order to reduce the price.
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