Quantity of Transformer Imports -- Development Status and Industry Chain Analysis of Power Transformer Industry
Writer： Hengfeng you electric Time：2023-05-09 views：times
How about the development of transformer industry? Since the 21st century, with the rapid development of urbanization and construction, the power transformer industry has ushered in a golden period of development. The report of the Twentieth National Congress of the Communist Party of China proposed that, guided by the national strategic needs, we should concentrate our efforts on the pioneering scientific and technological research and resolutely win the battle of core technology. As scientific researchers, this has strengthened our confidence in breaking through core technologies and our determination to innovate independently. Zhang Zhiyong said: "Because of the application of this new technology, the technical performance of the new generation of million volt transformers is better than that of the previous generation, the total loss has been reduced by more than 80 kilowatts, and the energy efficiency level of the products has been greatly improved."
Number of transformer inlets
According to Chinese customs data, in 2021, China will import 1123.23 million transformers, a year-on-year decrease of 191.91 million, or 14.6%, compared with the same period in 2020. The import volume was US $852.973 million, an increase of US $100.9 million over the same period in 2020, with a year-on-year growth of 13.5%. In the next few years, China's transformer manufacturing industry will usher in a period of sustained and stable development. At the same time, with the deepening of China's "energy conservation and consumption reduction" policy, the state encourages the development of energy-saving, low-noise and intelligent distribution transformer products.
The National Development and Reform Commission and the Energy Administration issued the Fourteenth Five Year Plan for Modern Energy System, proposing the period of the Fourteenth Five Year Plan. China will improve the structure of UHV AC power grids in North China, East China and Central China, spare no effort to supply UHV DC to provide support, build the main high-voltage grid of Chuanzhong Oil, improve the main grid of the Southern Power Grid, and promote the grid to actively adapt to the development of large-scale centralized new energy and a large number of distributed energy.
Development status of power transformer industry
Since the reform and opening up, with the rapid development of Shanghai power grid towards large units, high wave reactors and large power grids, and the improvement of social environmental awareness, in order to meet the needs of the market economy, Zhabei Power Plant has gradually developed into an important peak shaving power plant centered on large cities, shouldering the mission of peak and valley load regulation and frequency modulation of the power grid. Under the condition of frequent generator startup and constant load changes, the power plant always attaches importance to safety.
Shanghai's "Fourteenth Five Year Plan" plan and the outline of 2035's long-term goals put forward the idea of "strengthening the modern infrastructure facing the future", which has improved the energy supply guarantee capability. At present, Shanghai Power Grid is building a power transmission pattern with the backbone of the domestic leading super large, large water group city ACDC hybrid power grid and 500 kV double exchange network. The power grid resource optimization ability, security control ability, and operation and maintenance level have reached the world's advanced level. In 2018, the overall power stability rate of Shanghai Power Grid has reached 99.98%, ranking first in the country. In the development process of Shanghai Power Grid, it has created many "national first", including Jing'an 500kV underground substation project.
Recently, according to the testimony of China Electric Power Research Institute and industry experts, TBEA developed a new generation of direct line 1000 kV AC high-voltage transformer ("the new generation of megavolt transformer")
The upstream of the power transformer industry is the material (metal, oil and other mineral resources mining and rough processing) industry, mechanical processing industry, instrument and other manufacturing industries. Silicon steel plate and electromagnetic wire (copper) are the main materials of transformer, accounting for about three fifths of the transformer material cost, and the total material cost accounting for more than 70% of the total cost. Therefore, the price changes of silicon steel sheet, copper and other materials have an important impact on the profit level of the industry.
The downstream users of transformers mainly include the power supply department of the power system and other industries that need their own distribution network, such as petroleum, chemical industry, metallurgy, railway, coal, etc. The purchase of power system accounts for 30%~40% of the total sales of the industry, so the development of the power industry will have a significant impact on the industry.
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