How to install solar lights£¿
Talking about the installation method of solar street lights: solar street lights have entered thousands of households.
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Really green and pollution-free solar street lights, including solar cells, batteries, controllers, solar light, solar hydropower, thermal power, and nuclear power have unparalleled advantages and safety. ,universality.
Solar street lights have the following advantages:
Reduce noise pollution: solar street lights have few moving parts and no noise.
Modularization of equipment components: The sensitive equipment is convenient, and it is convenient for users to choose according to their needs and adjust the intrusion ability of solar street lights.
Safe use: Solar street lights are rare in harsh environmental and climatic conditions. Now most of the solar cell module production processes are sufficient to ensure no more than 10 years of performance degradation, and solar cell modules generate power for 25 years or more.
Safety: Do not use flammable fuels, solar street lights through proper plans and equipment, the system has high security.
Independent power supply: Off-grid solar street lights have independent operation capability and sensitivity.
Introduction to the types of solar light panels
1. Amorphous silicon solar cells
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Amorphous silicon solar cell is a new type of thin film solar cell that appeared in 1976. It is completely different from monocrystalline silicon and polycrystalline silicon solar cells. The process is greatly simplified, the silicon material consumption is low, and the power consumption is lower. The advantage is that it can generate electricity in low light conditions. However, the main problem of amorphous silicon solar cells is the low photoelectric conversion efficiency. The current international* level is about 10%, and it is not stable enough. As time goes by, its conversion efficiency decays.
2. Monocrystalline silicon solar cells
At present, the photoelectric conversion efficiency of monocrystalline silicon solar cells is about 15%, and the highest is 24%. This is the highest photoelectric conversion efficiency of all types of solar cells at present, but the production cost is so large that it cannot be widely used. And used universally. Since monocrystalline silicon is generally encapsulated with toughened glass and waterproof resin, it is durable and has a service life of up to 15 years, and up to 25 years.
3. Polycrystalline silicon solar cells
The production process of polycrystalline silicon solar cells is similar to that of monocrystalline silicon solar cells, but the photoelectric conversion efficiency of polycrystalline silicon solar cells has to be reduced a lot, and its photoelectric conversion efficiency is about 12% (on July 1, 2004, Japan Sharp¡¯s efficiency is 14.8%. The world¡¯s highest efficiency polycrystalline silicon solar cell). In terms of production cost, it is cheaper than monocrystalline silicon solar cells, the materials are simple to manufacture, the power consumption is saved, and the total production cost is lower, so it has been developed in a large amount. In addition, the service life of polycrystalline silicon solar cells is shorter than that of monocrystalline silicon solar cells. In terms of cost performance, monocrystalline silicon solar cells are slightly better.
4.multi-compound solar cells
Multi-compound solar cells refer to solar cells that are not made of a single element semiconductor material. There are many kinds of researches in various countries, and most of them have not been industrialized, mainly including the following:
1. Cadmium sulfide solar cells
2. Gallium arsenide solar cells
3. Copper indium selenium solar cell (new multi-element band gap gradient Cu(In,Ga)Se2 thin film solar cell)