Amorphous iron core production capacity increased dramatically energy-saving transformer momentum to the good
Time:
2018-11-09 14:32
It is estimated that 3,000 tons of amorphous alloy core, about 3,500 units of transformers with a capacity of 500kVA can be manufactured. At present, China's power grid in the operation of about 5 million units of transformers, amorphous transformers only about 10,000 units.
Amorphous alloy is a non-crystalline atomic structure of the alloy, in the 1980s the United States GE took the lead in the development of the world's first amorphous transformer. Foreign authoritative data show that amorphous transformer no-load loss than cold rolled silicon steel transformer to reduce 70%, the United States, the European Union, Japan, India, Canada and other countries have produced amorphous transformers in recent years, the current global network operation of amorphous transformers about 2 million units.
China's amorphous transformer development work is not lagging behind. 1986 trial production of the first domestic 3kVA amorphous transformer. 1995, according to the state planning commission, economic and trade commission, science and technology commission, electric power, machinery and metallurgy three commissions and three ministries, "to promote amorphous distribution transformer in China application" working group decision, shenyang transformer research institute organization in tianjin, shanghai, beijing, foshan, liao yang, baoding and so on 6 home Transformer factory for unified design, trial production of 6 prototype, and through the three committees and three ministries of identification. 1996, the former state planning commission, economic and trade commission, science and technology commission issued a document issued "China's energy-saving policy outline" puts forward the development and promotion of amorphous alloy transformer, requirements "new and due to update the transformer should be used according to the proportion of amorphous alloy transformer, and gradually increase the proportion in the distribution transformer". But due to the amorphous alloy material, bandwidth and production and other factors, the promotion of amorphous transformer is not satisfactory.
China Heavy Machinery Industry Association, Wang Jianye early last December led a delegation to Japan to study amorphous alloy materials and energy-saving amorphous alloy transformer equipment and technology, in the inspection report to the China Machinery Industry Federation to provide a solemn proposal, amorphous material transformer is currently in China is a good time to promote the application. Wang Jianye said, amorphous materials production process energy saving 70%, amorphous transformer no-load loss reduction of 70%, is a double energy-saving products, promote the application of great significance.
An expert has made such an analysis, China's average annual production of distribution transformers about 240 million kVA, such as 30% change to amorphous materials, the annual production of amorphous transformers for 72 million kVA, 200kVA per transformer, for example, the annual production of amorphous transformers will reach 360,000 units. This will reduce the transformer no-load loss of 13 million kW, a year can save electricity 1.14 billion kWh. Quite save 433,000 tons of coal, reduce coal-fired hazardous gas emissions 11,000 tons.
The original constraints amorphous transformer in China to promote the use of an important reason is the amorphous material is restricted. Speaking of amorphous materials have to mention the U.S. Xinlian company. 1960 University of California researchers took the lead in the discovery of amorphous alloys, 14 years later in 1974, the U.S. Xinlian company developed iron-based amorphous alloys, in 1989, the U.S. Xinlian company in the world's first commercialization of mass production of amorphous transformer cores.
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