What parameters to look at when choosing a street light

The model of solar street light is not fixed. It consists of solar panel battery controller, led light source, light pole and some accessories. The size of each accessory is determined by the sunshine in the area of u200bu200buse and the time and continuous lighting required every day. The number of cloudy days is calculated scientifically. For example, the simple design method is as follows: Design idea 1. Selection of solar cell modules Design requirements: Beijing area, the load input voltage is 24V, the power consumption is 34.5W, the daily working hours are 8.5h, and the continuous rainy days are guaranteed for 7 days. a. The average annual radiation in the Beijing area in the past 20 years is 107.7Kcal/cm2, and the peak sunshine hours in Beijing area are about 3.424h after simple calculation; b. The daily power consumption of the load u003d u003d 12.2AH c. The total required solar modules Charging current u003d 1.05×12.2×÷(3.424×0.85)u003d5.9A Here, the design shortest number of days between two consecutive rainy days is 20 days, 1.05 is the comprehensive loss coefficient of the solar cell module system, and 0.85 is the battery charging efficiency. d. The minimum total power of solar modules u003d 17.2×5.9 u003d 102W. The standard battery module with a peak output power of 110Wp and a single 55Wp module should be able to ensure the normal operation of the street light system in most cases for one year. For such data, we may be more convincing. This is the data provided by solar street light manufacturers.
However, with the increased prevalence of solar lights, it has become far more affordable.
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