In the wind-solar hybrid solar street light system, it includes four components: wind turbine, solar panel, battery, and wind-solar hybrid controller. As for how to choose each part, I will probably introduce you:

Wind-solar hybrid controller: A controller with good performance is indispensable. In order to extend the life of the battery, its charging and discharging conditions must be controlled to prevent the battery from overcharging and over-discharging. If in areas with large temperature differences , Qualified controller should have temperature compensation function, and should also have street lamp control functions, such as: light control, time control, automatic load control, etc.

Battery: The choice of battery is also very important. The selected battery must meet several conditions:

1, on the premise that it can meet the night lighting, it can store the excess solar energy during the day, and it also needs to be able to store the electricity that can meet the continuous rainy weather and night lighting needs

2. The battery capacity cannot be too small. If it is too small, it cannot meet the needs of night lighting. It cannot be too large. If the capacity is too large, the battery will always be in a state of power loss, which will affect its life and cause waste. Therefore, the battery should be used with solar energy. Match the load.

3. Solar panel: The power of the solar panel should be greater than 4 times the load power for the system to operate normally. The voltage of the solar panel must be 20~30% higher than the voltage of the battery to ensure normal power supply to the battery. The battery capacity must be higher than the load. The daily consumption should be about 6 times higher.

4. The choice of lamps is generally low-pressure energy-saving lamps, low-pressure sodium lamps, and LED light sources.
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