Factors affecting the life of solar street lights
The main factors affecting the life of rural solar street lamps are light sources, light source starters, solar controllers and batteries.
There are now more sodium and LED lights. The sodium lamp is cheap. Short life. LED lights are now of good quality at 50,000 hours, theoretically 10 hours a day, and can be used for more than 10 years. So first choose a good light source.
2, light source starter: different starting methods are different, need different ballasts or drive power lights.
This part has a great influence on the light source. Especially LED light sources. It is now generally driven by a constant current source. It is important to check whether the constant current source is good or not and whether the parameter range is suitable for the light source. Mainly: constant current accuracy, output efficiency, protection circuit, parameter setting range, etc.
3. Solar controller: The solar street lamp system not only controls, monitors, and protects the working status of photovoltaic modules, batteries, and loads.
While effectively controlling the working state of the battery, it also indirectly protects the load (solar street light), providing an effective and relatively stable working environment, especially in critical conditions such as insufficient battery or undervoltage operation.
A controller with high accuracy and stable performance plays a key role. For example, sometimes a solar street light will work in a flashing state. This fault controller is one of the reasons. But not all the reasons.
4. Battery: Select a battery with stable performance. Moreover, the construction should be strict, and the accidental factors such as water ingress should be strictly prevented. Otherwise it will indirectly affect the life of the street lamp.
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