Installing photovoltaic power stations on the roof not only has the effect of heat insulation and cooling, but also can create green income, preserve the value of one's own roof, and play a green environmental protection role. With the strong support of the country and the leap of the photovoltaic industry Development, photovoltaic power plants will also become standard. A space buffer layer is formed between the photovoltaic product and the roof. The tracking bracket can reduce the indoor temperature by 2-6 degrees in summer, and can also reduce the emission of indoor heat in winter. Roof photovoltaic is a new type of power source with broad prospects and permanent Three advantages of sex, cleanliness, and flexibility. Due to its own environmental protection and energy-saving features and external state subsidy policy support, it deserves to be a trend in rural cities.
Photovoltaic power generation is the direct conversion of solar energy into electric energy, and it does not consume fuel, does not pollute the environment, does not produce noise, does not produce radiation that endangers human safety, and is a green and clean energy source. Compared with traditional thermal power generation and new wind power generation and nuclear power generation, solar power generation is the most ideal sustainable renewable energy power generation technology. Its advantages are as follows: solar energy is the energy generated by the continuous nuclear fusion reaction process inside the sun, although The energy that the sun radiates to the outside of the earth’s atmosphere is only one/2.2 billionth of its total radiant energy (about 3.75×10^14tw), solar photovoltaic but its radiant flux has reached 1.73×10^5tw, that is, the sun per second The energy projected on the earth is equivalent to 5.9×10^6 tons of coal. The solar energy irradiated on the earth is 6000 times larger than the energy currently consumed by human beings. Moreover, solar energy is widely distributed on the earth. As long as there is light, solar power generation systems can be used, regardless of geographical, altitude, and other factors.
Solar energy resources are available everywhere, and they can be supplied nearby without long-distance transmission, which avoids the loss of electric energy caused by long-distance transmission lines. Rooftop photovoltaic power generation is a direct conversion from light energy to electrical energy. There is no intermediate process (such as the conversion of thermal energy into mechanical energy, mechanical energy into electromagnetic energy, etc.) and mechanical movement, and there is no mechanical wear. According to thermodynamic analysis, solar power generation has a high theoretical power generation efficiency, which can reach more than 80%, and there is a huge potential for technological development. The rooftop photovoltaic power generation itself does not use fuel, does not emit any substances including greenhouse gases and other exhaust gases, does not pollute the air, does not produce noise, does not produce vibration pollution, and the photovoltaic support does not produce radiation that is harmful to human health. It will not suffer the impact caused by the energy crisis or the unstable fuel market. It is a new type of renewable energy that is truly green and environmentally friendly.
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