Photovoltaic power generation (solar power generation) has the following advantages:
1. Renewable Energy: Solar energy is a renewable energy source. The source of light is the sun, which is almost never exhausted. Compared to non-renewable energy sources such as fossil fuels, the use of solar energy will not cause resource depletion or shortage problems.
2. Environmental protection and low carbon emissions: Photovoltaic power generation does not produce greenhouse gases or air pollutants such as carbon dioxide, so it has a low level of carbon emissions. Photovoltaic power is a clean energy source that helps mitigate climate change and improve air quality.
3. Distributed power generation: Solar power can generate electricity in various locations, so thatPhotovoltaic systems can be installed on building roofs, lawns, desert areas, etc. This distributed generation method reduces the loss of electric power transmission and the need for transmission lines, and improves the efficiency of energy use.
4. Long lifespan and reliability: Solar panels in photovoltaic power generation systems generally have a long lifespan and do not require significant maintenance. Compared with traditional power generation equipment, photovoltaic power generation systems have higher reliability and stability.
5. Economic benefits: Solar energy resources are widely distributed, and the use of photovoltaic power generation can reduce dependence on imported energy and improve energy security. Moreover, with the advancement of technology and the emergence of progressive of scale effects, the cost of photovoltaic energy production also decreases and presents good economic competitiveness.
In general, photovoltaic power generation has the advantages of renewable, environmentally friendly, distributed, sustainable and economical advantages, and is widely used in sustainable energy development and energy reduction. dependence on traditional energy sources. This is an important energy option for sustainable development.
What is the difference between photokinetic energy and solar energy?
Photovoltaic is the abbreviation of photovoltaic solar energy system (Solar power system), which is a kind of solar cell semiconductor material. The photovoltaic effect is a new type of power generation system that directly converts solar radiation energy into electrical energy. It has two operating modesIndependent operation and network-connected operation.
Photovoltaics is a photovoltaic energy production system. It is a power generation system that uses the photovoltaic effect produced by semiconductor materials to convert the energy of solar radiation into electrical energy. The energy generated by the photovoltaic power generation system is a very safe, clean and renewable energy that will not harm the ecology or pollute the environment during the photovoltaic power generation process. Photovoltaic power generation systems rely on solar energy to generate electricity, and current photovoltaic power generation systems can be divided into grid-connected photovoltaic systems and independent photovoltaic systems.
The use of photovoltaic systems to produce electricity has many advantagess, such as the ability to provide normal power supply under harsh weather conditions and environments, high safety performance and long service life. However, photovoltaic energy production also has many disadvantages: its initial investment cost is very high and technical training is necessary before its use.
Advantages of photovoltaic technology
No moving mechanical parts are required, except sunlight;, requires no other "fuel" and can work under direct sunlight or oblique sunlight and it is also very convenient and flexible in terms of site selection, and can be used on rooftops and open spaces in the city; Since 1958, the solar photovoltaic effect has been applied for the first time in the form of solar cells in the field of power supply.energy viewing of space satellites.
Today, its application in the field of electricity generation has spread throughout the world, ranging from the energy supply of automatic parking meters and solar panels on roofs to shopping centers large-scale solar energy.
Solar energy is a rapidly growing form of energy, and the solar market has grown significantly over the past decade. According to the data, calculated based on the average annual installed capacity of the solar system, the global solar market has a compound annual growth rate of 47.4%, from 598 MW in 2003 to 2,826 MW in 2007.
It is expected that by 2012, the average annual installed capacity of solar power systems could further increase to 9,917 MW, and the sales of the entire solar power industry have also increase. This growth dynamic is largelye due to the rapid increase in global market demand, increasing feed-in tariffs and various government incentives.
For the above content, refer to Baidu Encyclopedia - Photovoltaic Power Generation
1 Different functions: Photodynamic power refers to the use of light to provide energy. , generally with the addition of photovoltaic panels. The battery panel provides circulation or motion energy to the circulation pump and motor.
2. For example, a photovoltaic energy water heater is equipped with a photovoltaic panel on the water heater to power the circulation pump and provide circulation energy for the active circulation hot water circulation system.
3. Solar energy refers to two aspects: 1. Photovoltaic photovoltaic energy production 2. Photothermal photothermal energy production. At presentit, photothermal energy cannot provide mechanical energy, and the possibility of providing energy in the future cannot be ruled out, such as photothermal energy production gradually emerging. Nowadays, photokinetic energy mainly refers to the point energy provided by photovoltaics.
4. Different concepts: Light energy: energy transformed in the form of radiation or converted into visible radiation Light energy is a form of energy released by luminous objects such as solar candles.
5. Solar (Solar) Energy: Generally refers to the radiant energy of sunlight. The nuclear fusion reaction of "hydrogen" into "helium" inside the sun continuously releases enormous energy and continuously radiates energy into the universe. This energy is solar energy.
Detailed information
1. Solar energy isThe energy generated by the ongoing nuclear fusion reaction process inside the sun. The average intensity of solar radiation in Earth's orbit is 1369 W/㎡. The circumference of the Earth at the equator is 40,076 kilometers, which can be calculated.
2. The energy obtained by the earth can reach 173,000 TW. The standard maximum intensity at sea level is 1 kW/m2, and the 24-hour average annual radiation intensity at a certain point on the Earth's surface is 0.20 kW/m2, which is equivalent at 102,000 TW of energy.
3. Actinic acidThis is a photochemical conversion method that uses energy from solar radiation to directly split water to produce hydrogen. This includes photosynthesis, photoelectrochemistry, photosensitive chemistry and photodecomposition reactions.
4. Photochemical conversion is the process of converting chemical energy into chemical energy duechemical reactions caused by the absorption of light radiation. Its basic forms include plant photosynthesis and photochemical reactions that use chemical changes in substances to store solar energy.
5. Plants rely on chlorophyll to convert light energy into chemical energy to achieve their own growth and reproduction. If the secret of photochemical conversion can be revealed, artificial chlorophyll can produce electricity. Process of converting solar energy into biomass through plant photosynthesis.
6. Light energy [light energy; light energy] is the form of energy corresponding to the movement of photons. Light energy is a form of energy released by luminous objects such as the sun and candles. renewable energy.
7. Photothermal conversion: dark matter converts most of the energylight technology into thermal energy. The characteristic of dark matter is the chemical reaction of the molecular structure of the substance. At the same time, it also has many changes in physical factors.
8. Organic substances we commonly see, such as graphite, coal, and petroleum, all have varying levels of saturation ranging from dark brown to black. Dark matter converts most light energy into thermal energy, which depends mainly on the activity of the smallest atoms in dark matter molecules.
Reference materials:
Baidu Encyclopedia-Light EnergyBaidu Encyclopedia-Solar Energy