Talking about Wind Energy Technology in Wind Power Industry
Wind energy technology is a new and high technology. It involves more than ten disciplines and professions such as meteorology, aerodynamics, structural mechanics, computer technology, electronic control technology, materials science, chemistry, electromechanical engineering, electrical engineering, and environmental science. It is a system technology that is no less difficult than space technology.
First, the division of wind energy technology:
Wind energy technology is divided into large-scale wind power technologies and small and medium-sized wind power technologies. Although they all belong to wind energy technologies and their working principles are the same, they are completely different industries: they are embodied in different policy orientations, different markets, different application fields, and applications. The technology is different, and it belongs to two industries in the same industry. Therefore, large-scale wind power and small and medium-sized wind power have been treated separately in the China Wind Machinery Industry Conference. In addition, the extended landscape has been adopted to meet the different needs of the market. Complementary technologies have not only promoted the development of small and medium wind power technologies, but also opened up new markets for small and medium wind power.
1. Large-scale wind power technology:
There is still a gap between China's large-scale wind power technology and the international community.
Large-scale wind power technology originated in Denmark, the Netherlands and some other European countries. Due to the abundant local wind energy resources, the wind power industry has been boosted by the government, and the development of large-scale wind power technologies and equipment has led the world. At present, the Chinese government has also begun to promote the development of large-scale wind power technology, and introduced a series of policies to guide the development of the industry. Large-scale wind power technologies are designed for large-scale wind turbines, and the application areas of large-scale wind turbines have very strict requirements on the environment. They are all applied to wind farms with limited resources of wind energy and accept a wide range of harsh conditions all year round. Environmental examination and research, the complex and varied environment, the height of the technical requirements will rise. At present, domestic large-scale wind power technologies are generally immature. The core technology of large-scale wind power still relies on foreign countries. The guidance of national policies has driven domestic wind power projects into madness and they are being launched everywhere. Every place hopes to take a share of this. The veritable "crazy power" began to pave the way by the east wind of the policy. Although wind power projects are launched one after another, they are mostly supporting types. There are few large-scale wind power system technologies and core technologies that completely possess independent intellectual property rights. Large-scale wind power technologies that have to undergo environmental tests for several years will gradually mature. In addition, the technology of power generation and grid integration in large-scale wind power technologies is still improving, and a series of problems are still constraining the development of large-scale wind power technologies.
2, small and medium-sized wind power technology:
China's small and medium wind power technology can be comparable with the international.
In the 1970s, medium- and small-scale wind power technologies have been developed in Inner Mongolia and Xinjiang, where China’s wind conditions are relatively good. Initially, small and medium-sized wind power technologies were widely used in the project of sending electricity to townships to provide household ownership. Domestic power supply for households, with the continuous improvement and development of technology, not only can be used alone but also complementary to the photoelectric combination has been widely used in distributed and independent power supply. In recent years, China’s medium and small-scale wind power exports have steadily increased. In the international arena, China's small and medium-sized wind power technology and wind-solar hybrid technology have leapt to the leading position in the world.
The maturity of small and medium-sized wind power technologies is relatively limited by natural resources. As a result of distributed independent power generation, not only can it be connected to the grid, but it can also be combined with photovoltaics to form wind-solar hybrid technologies that are more stable and reliable. Moreover, the technology is fully autonomous and localized. Both the technology and the price have a competitive advantage in the international arena; in addition to the Chinese brands that have already started up small and medium-sized wind power in the world, the “flowering wall outside the wall†has intensified. The most technologically advantageous and competitive domestic wind power has always been a corner forgotten by the government and policies. The reason for this is that in the early years, small and medium-sized wind power generation has been used by farmers and herdsmen in remote areas such as Inner Mongolia and Xinjiang. In the category of agricultural machinery, low-cost, shoddy, low-reliability, and unsafeguarded use areas are mostly sparsely populated areas, and most of the domestic markets are under a premise of loss of reliability; they have waged a price war; people form a poor understanding of the subconscious. Therefore, the country's attention and development cannot be obtained.
At present, in domestic small and medium-sized wind power technologies, a series of technologies such as low wind speed start, low wind speed power generation, pitching moment, multiple protection, etc. have received international market attention and unanimous recognition by international customers, and are already in a leading position in the world. The technology is ultimately to meet the distributed and independent power supply terminal market, rather than the large-scale wind power technology is to meet the domestic monopoly market of power generation and network integration, and the technology must be updated to meet the needs of the vast and rapid development of the market.
3, scenery complementary technology:
Wind-solar hybrid technology integrates small and medium-sized wind power technology and solar energy technology, and integrates new technologies in various application fields. It covers a wide range of applications, a wide range of applications, and a large variety of technologies. It is unmatched by various individual technologies. of.
Wind energy and solar energy are the industries with the most mature, most large-scale and industrialized development in the use of new energy in the world. Individual wind energy and individual solar energy have their disadvantages in development. Wind power and solar power are complementary to each other. The combination of the two new energy sources in the allocation of natural resources, the integration of technical solutions, and the comparison of performance and price have all achieved the most reasonable comprehensive utilization of new energy, not only reducing the unit cost of meeting the same demand, And it has expanded the application range of the market and also improved the reliability of the product.
In addition: solar and wind energy are new energy sources, and solar energy is much later than wind energy. The price of solar photovoltaic power generation is about 30 yuan per watt, which is recognized by the public. The conversion rate is only about 15%. The price of small and medium wind power is only For the same 1/5-1/6 conversion rate, there are 60%-80%. Only this low price is still under pressure. The pollution caused to the environment in the photoelectric production process is far greater than the wind power, but it is lower than the wind power. With considerable development, such contrasts are contemplative... If people are using energy, the ultimate goal is to meet the demand for electricity. The cost of wind energy measured from the amount of electricity generated is much higher than that of solar energy.
Scenery complements and integrates the advantages of solar energy and wind energy. It not only opens up a new world for energy conservation and emission reduction, but also applies science to meet human needs and opens the world for the fourth revolution.
Second, the development of wind energy technology requires continuous innovation:
At present, technological innovation in the development of wind energy in China is still weak, and there is a lack of core technologies with independent intellectual property rights. Therefore, to a large extent, we must introduce technology from abroad. Although, in the era of the arrival of the knowledge economy, all countries have made full use of global resources and have narrowed the gaps and increased their competitiveness through technology import and international cooperation. However, if we do not have the capacity for independent innovation, we will not know what advanced technology will be introduced. We will not be able to digest or absorb it after the introduction, and we will not be able to reinvent it. This is on the one hand; on the other hand, foreign core technologies cannot be imported. Relying on independent innovation to master the core technology; Moreover, the domestic independent innovation technology needs policies to provide support, guidance, support, wind power products with core technology to increase support, so that the "flowering wall outside the wall incense" situation can be Change, the power of innovation can come from constant innovation.
In short: The wind energy technology in the wind power industry has been continuously innovating from single power generation to various areas requiring electricity, and its additional products have emerged: street lights, landscapes, traffic monitoring, communications, irrigation, planting, breeding, seawater desalination, Fire prevention, alarm, island high mountains and so on. It can be seen that the development of wind power, an emerging industry, has enabled the development and transformation of countless traditional industries, and the application of wind energy in various fields has become a benchmark for the development of these industries. The forthcoming world revolution will surely come from the revolution in new energy industries such as wind energy technology.
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