The Demand Prospects for Dry-Type Transformers
According to the current development situation in China, Chinese dry-type transformer manufacturers account for about 15% to 20% of the average in metropolitan and medium-sized cities, while in Beijing, Shanghai, Guangzhou, Shenzhen and other cities, it accounts for about 50%. However, due to the relatively few applications of dry-type transformers in rural power distribution networks in China, the applications of the dry-type transformers account for between 10% to 15% of all kinds of the transformers overall. Although China's market share is low, with its own excellent application conditions and performance, the proportion of dry-type transformers in total transformer output will increase to a certain extent. It is estimated that by 2020, China's dry-transformer market share will reach about 50%, which is equivalent to the current proportion of developed countries.
China's dry-transformation technology has reached the world's advanced level
Foresight Industry Research Institute's Market Demand Forecast and Investment Strategic Planning Analysis Report of 2013-2017 China Dry-type Transformer Industry shows that the dry-type transformer has four structures: epoxy resin casting, pouring with filler, wrapping and impregnation. At present, the open ventilated H-class dry-type transformers are widely used in Europe and the United States. It is a new H-class dry-type transformer developed by adopting Nomex paper on the basis of impregnation and adopting the characteristics of the wrapped structure, which is not promoted in our country yet, because of the high price.
Dry-type transformers are now widely used in almost all electrical power stations, factories, hospitals and so on. With the popularization and application of the low noise (the noise of the distribution transformer below 2500kVA has been controlled within 50dB) and energy saving (no-load loss reduction of 25%) SC (B) 9 series, the performance index and manufacturing technology of China's dry-type transformers has reached the world advanced level.
Although there is still a long way to go for China's dry-type transformer manufacturers, under the guidance and development of policies and technologies, there is no doubt that dry-type transformers will expand the market, and Chinese dry-type transformer manufacturers will win a place in the international market gradually.
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