What are the main advantages of solar photovoltaic power generation?

The solar photovoltaic power generation process is simple, no mechanical rotating parts, no fuel consumption, no emissions of greenhouse gases and other substances, no noise, and no pollution; solar energy resources are widely distributed and inexhaustible. Therefore, compared with new power generation technologies such as wind power generation, biomass power generation, and nuclear power, photovoltaic power generation is a renewable energy power generation technology with the following main advantages.

1. Solar energy resources are inexhaustible and inexhaustible. The amount of solar energy hitting the Earth is 6,000 times greater than what humans currently consume. In addition, solar energy is widely distributed on the earth, and photovoltaic power generation systems can be used anywhere there is light, regardless of geographical and altitude factors.

2. Solar energy resources are available everywhere, and the power supply can be supplied nearby without long-distance transmission, avoiding the power loss caused by long-distance transmission lines.

3. The energy conversion process of photovoltaic power generation is simple, that is, light energy is directly converted into electrical energy. There is no intermediate process (such as thermal energy into mechanical energy, mechanical energy into electromagnetic energy, etc.) and mechanical movement, no mechanical wear. According to thermodynamic analysis, the theoretical power generation efficiency of photovoltaic power generation is high, reaching more than 80%, and the technical development potential is huge.

4. Photovoltaic power generation itself does not use fuel, does not emit any substances, including greenhouse gases and other waste gases, does not pollute the air, does not generate noise, is environmentally friendly, and will not be affected by energy crisis or fuel market instability. This is a truly green and environmentally friendly new renewable energy source.

5. The photovoltaic power generation process does not require cooling water and can be installed on the desert Gobi without water. Photovoltaic power generation can also be easily combined with buildings to form a complete photovoltaic building power generation system without occupying separate land, which can save valuable land resources.

6. The photovoltaic power generation has no mechanical transmission parts, the operation and maintenance are simple, and the operation is stable and reliable. As long as there are solar cell components, a photovoltaic power generation system can generate electricity. In addition, with the widespread adoption of automatic control technology, the unattended operation can basically be achieved with low maintenance costs.

7. The photovoltaic power generation system has stable and reliable performance and long service life (more than 30 years). The service life of crystalline silicon solar cells can reach 20 to 35 years. In the photovoltaic power generation system, as long as the design is reasonable and the selection is appropriate, the service life of the battery can be as long as 10 to 15 years.

8. The utility model has the advantages of simple structure, small volume, lightweight, convenient transportation, and installation. The photovoltaic power generation system has a short construction period and can be large or small according to the power load capacity. It is convenient and flexible, easy to combine and extend.

Solar cells have three advantages of permanence, cleanliness, and flexibility, and are a promising new type of power source. Compared with thermal power generation and nuclear power generation, solar cells do not cause environmental pollution; solar cells can be large, small, and medium-sized at the same time, from megawatt-scale medium-sized power stations to independent solar power systems that only power one household. These characteristics are unmatched by other power supplies.