The rooftop solar power generation system is planned to have no mechanical rotating parts nor fuel consumption during the power generation process, and it does not emit any substances including greenhouse gases. It is noise-free and pollution-free; solar resources have no geographical restrictions, and are widely distributed and selected. Inexhaustible, inexhaustible. Therefore, compared with other new power generation technologies (wind power generation and biomass power generation, etc.), rooftop solar power generation is a renewable energy power generation technology with ideal characteristics of sustainable development (the richest resources and the cleanest power generation process) , Its main advantages are as follows.
1). Solar energy resources are inexhaustible and inexhaustible. The solar energy shining on the earth is 6000 times larger than the energy currently consumed by human beings. In addition, solar energy is widely distributed on the earth, and photovoltaic power generation systems can be used only in areas where there is light, and are not restricted by factors such as regions and altitudes.
2) Solar energy resources are available everywhere, and power can be supplied nearby. Long-interval transmission is not required, which prevents the loss of electrical energy formed by long-interval transmission lines and also reduces transmission costs. This also provides a prerequisite for the use of household solar power generation systems in the large-scale planning of the western region where power transmission is inconvenient.
3) The energy conversion process of rooftop solar power generation is simple. It is a direct conversion from photons to electrons. There is no central process (such as the conversion of thermal energy into mechanical energy, mechanical energy into electromagnetic energy, etc.) and mechanical activities, and there is no mechanical wear. According to thermodynamic analysis, photovoltaic power generation has a high theoretical power generation efficiency, which can reach more than 80%, and it has great potential for technological development.
4). Rooftop solar power generation does not use fuel itself, does not emit any substances including greenhouse gases and other exhaust gases, does not pollute the air, does not generate noise, is friendly to the situation, and will not suffer from an energy crisis or the fuel market will not change. The impact is a new type of renewable energy that is truly green and environmentally friendly.
5) There is no need for cooling water in the process of rooftop solar power generation, and it can be installed on a desolate desert without water. Photovoltaic power generation can also be easily connected with buildings to form an integrated photovoltaic power generation system. It does not need to occupy land alone and can save precious site resources.
6). Rooftop solar power generation has no mechanical transmission parts, simple operation and maintenance, and stable operation. A set of photovoltaic power generation system can generate electricity only with solar panels, coupled with the widespread use of active control technology, it can be completely unattended and low maintenance costs.
7) The roof solar power generation task function is not stable and the service life (more than 30 years). The life span of crystalline silicon solar cells can reach 20 to 35 years. In the photovoltaic power generation system, the battery life can be as long as 10 to 15 years as long as the design is reasonable and the shape is appropriate.
8) The solar panel has a simple structure, small size and light weight, which is convenient for transportation and installation. The photovoltaic power generation system has a short set-up period, and the application can be large or small according to the power load capacity, which is convenient and sensitive, and is extremely easy to combine and expand.
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