Decentralization of solar LED street lights

Solar LED street lights use solar radiation energy as energy . During the day, they use solar panels to convert solar energy to charge the battery. At night, the battery powers the LED light source for lighting. No complicated and expensive pipelines are required. The layout of the lamp can be adjusted arbitrarily. No manual operation is required. The work is stable and reliable, saving electricity and maintenance-free.

The biggest disadvantage of LED Solar Street Light is its decentralization. Although the total amount of solar radiation reaching the earth's surface is large, the energy flux density is very low. On average, near the Tropic of Cancer, in summer when the weather is relatively clear, the solar radiation has the largest irradiance at noon, and the average solar energy received on a 1 square meter area perpendicular to the direction of sunlight is about 1,000W; The average day and night throughout the year is only about 200W. In winter, it is only about half, and cloudy days are generally only about 1/5, such energy flow density is very low. Therefore, when using solar energy, to obtain a certain conversion power, a set of collection and conversion equipment with a relatively large area is often required, and the cost is relatively high.

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