Distributed photovoltaic power generation systems consist of solar panels, which are devices that convert solar radiation into electricity. It is composed of multiple thin layers or sheets of semiconductor materials. When the sun shines on the solar panel, photons are absorbed and electrons are released to form a direct current. Such solar panels can be integrated on building roofs, facades, utilities or ground mounts.
The distributed photovoltaic power generation system also includes inverters, grid connections, and power distribution systems connected to electronic loads. An inverter is a device that converts the direct current generated by a solar panel into alternating current. Grid connection is the connection of the generation system with the existing electricity network, so that excess electricity can be injected into the public grid, or electricity can be obtained from the grid to meet insufficient demand. The power distribution system is responsible for distributing the electrical energy generated by the power generation system to buildings or equipment. In this way, the distributed photovoltaic power generation system can provide users with reliable and low-cost power supply.
The advantages of distributed photovoltaic power generation are mainly reflected in the following aspects:
Renewable and environmentally friendly
Solar energy is a renewable energy source. The distributed photovoltaic power generation system uses solar energy to generate electricity, which will not exhaust natural resources, nor produce harmful gases and pollutants such as carbon dioxide, and is environmentally friendly.
High flexibility
Distributed photovoltaic power generation systems can be designed and installed according to various needs and scenarios, and can be extended to projects of various scales, such as residential buildings, commercial buildings, and public facilities. The scale of the system can be flexibly adjusted according to the power demand.
Reduce energy costs
Using distributed photovoltaic power generation systems, users can generate electricity directly at the point of use, reducing transmission losses and the need for grid expansion. In addition, solar energy is a free energy source, so distributed photovoltaic generation can reduce energy costs for users in the long run.
Enhanced quality
Distributed photovoltaic power generation systems can reduce excess power and the degree of dispersion of power networks, reduce the load pressure on power supply lines, and improve the reliability and stability of power grids.
Adapt to disaster periods
Distributed photovoltaic power generation systems can operate independently without relying on external power supply, so in times of disaster, such as natural disasters or power outages, these systems can provide basic power needs for local residents.
However, while there are advantages, there must be some disadvantages. For example, solar power generation depends on weather conditions, such as cloud cover and cloudy days, which will affect the efficiency of photovoltaic cells and reduce power generation; photovoltaic modules and inverters are relatively expensive. High cost, although the cost has been gradually reduced due to technological progress and market competition, it may still be high for most people; power storage demand: the power produced by distributed photovoltaic systems usually needs to be used or injected into the grid at any time. For long-term Energy storage still requires further technological innovations and solutions.
Distributed photovoltaic power generation is a system that uses solar energy to generate electricity, which has the advantages of renewable, environmental protection, and high flexibility. It can provide buildings and equipment with a reliable supply of electricity and inject it into the grid to balance supply and demand and improve grid stability. It has the potential to be widely used in various scenarios, such as residential buildings, commercial buildings, rural areas, etc. With technological progress and market promotion, distributed photovoltaic power generation will play an important role in energy transformation and sustainable development.
