A technique known as photovoltaic power generation turns light energy directly into electricity by taking use of the photovoltaic effect at the semiconductor interface. The solar cell panel (module), controller, and inverter are its three primary components. Electronic components make up the majority of its key sections. A large-area solar cell module is created by connecting solar cells in series, encapsulating them for protection, and adding power controllers and additional parts to create a photovoltaic power generation device.
1. What is the process of generating solar power?
Photovoltaic power generation is the process of directly converting solar energy into electrical electricity.
Photovoltaic power is currently the most prevalent way of creating solar electricity. As a result, solar power is now commonly referred to as photovoltaic energy generating.
2. How do solar cells generate electricity?
The photovoltaic cell is the most basic sort of photovoltaic power generation unit, as it is a semiconductor device that converts light and electricity directly from solar radiation energy into direct current.
Doping crystalline silicon with specific elements (such as phosphorus, boron, and so on) causes a persistent imbalance in the material’s molecular charge, resulting in a semiconductor material with unique electrical properties that are responsible for photovoltaic cells’ distinct electrical characteristics.
When exposed to sunlight, semiconductors with unique electrical characteristics can generate free charges. When the ends are closed, free charges accumulate and move in a certain direction, producing electrical energy.
3. What benefits does photovoltaic power generating offer?
1). Broadness
The earth’s surface is irradiated by sunshine, and this can be used and exploited regardless of the geographic location—land, sea, mountains, or flat land. Even though the irradiation time and intensity vary, it is widely dispersed and won’t be affected by the weather or the location.
2). Sustainability and Infinity
The sun produces enough nuclear energy at this rate to power tens of billions of years’ worth of hydrogen storage. Given the severe ecological degradation of today, solar energy is a totally clean, renewable energy source that has an endless supply.
3). Adaptable installation sites
An open roof provides the benefit of not being impacted by the building’s direction, allowing light to reach the inside for extended periods of time and minimizing shadow interference. In addition to being put on residential building rooftops, photovoltaic power generation can also be found in industrial buildings, where solar power is utilized to generate energy to meet the facility’s electrical needs. The development of rooftop distributed photovoltaic technology can also effectively address the issue of county-wide electricity consumption in the context of rural rehabilitation.
4). Verdant
Naturally, higher TV volumes and brighter screens use more electricity. Not only does reducing the brightness and volume protect the eyes and ears, but it also conserves electricity.
5). Enhance the country’s energy security
People may improve national energy security by reducing their reliance on fossil fuel power generation and so averting energy crises and fuel market instability. This can be achieved through the usage of photovoltaic power generation.
6). Minimal upkeep and operation expenses
The operation of photovoltaic power generation is robust and dependable, and it lacks mechanical transmission parts. When combined with the widespread usage of automated control technology, a set of photovoltaic power generating systems may produce electricity for as long as there is a solar cell module. This results in essentially cheap maintenance costs that can be realized without supervision.
4. What kinds of solar power generation projects are there?
PV projects can be classified as “distributed” or “centralized” based on their layout.
Distributed: Photovoltaic power plants of a specific size that are erected at the user’s location or linked to the electricity grid are referred to as distributed photovoltaic power plants. This kind of power plant may directly give power to people nearby and is typically mounted on the ground, wall, or roof.
Centralized: primarily utilized in wide spaces such as mountains and deserts. With the use of several photovoltaic panels or solar tracking systems, this kind of power plant gathers solar energy and transforms it into electricity that is sent to consumers who live a long way from the site of power creation.
Building-integrated photovoltaic power plants: These are created by fusing solar power generation technology with a building’s architecture, making the solar system an integral part of the structure. This kind of power plant can be mounted on the building’s balcony, curtain wall, roof, or other areas.
PV power plants can also be separated into the following groups based on technological features and application scenarios:
Home usage PV power station: primarily used in residential buildings, it is a small-scale distributed PV power producing system. To meet their electrical needs, homeowners can install solar panels on their roof and generate renewable energy.
Commercial PV power stations: fall between centralized and residential PV power stations in terms of scale, and they are suitable for usage in commercial buildings, industrial parks, and other locations.
Rural photovoltaic power plants: are mostly used in rural regions, where they provide farmers with clean energy and address the issue of power scarcity.
Rural photovoltaic power plants: are mostly used in rural regions, where they provide farmers with clean energy and address the issue of power scarcity.
Public facility PV power station: it describes the use of solar power generation technology in places where the general public is present, such as bus terminals, schools, and hospitals.
Floating photovoltaic power station: This type of power generation system is primarily used in reservoirs, lakes, and other bodies of water where photovoltaic panels are installed on the water’s surface.
5. What makes photovoltaic energy a low-carbon and green energy source?
According to research results from the World Wide Fund for Nature (WWF), installing a 1 kW photovoltaic power generation system can produce 1200 kWh of electricity in a year, reduce the use of coal (standard coal) by approximately 400 kg, and reduce carbon dioxide emissions by approximately 1 ton. Photovoltaic power generation has significant energy, environmental protection, and economic benefits. It is one of the best quality green energy in our country.
The development of renewable energy sources, like photovoltaic power generation, is one of the effective ways to address environmental issues like haze and acid rain. According to research results from the World Wide Fund for Nature (WWF), installing a one square meter photovoltaic power generation system is equivalent to planting 100 square meters of trees.
