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aluminium wire transformer

Author:frank   Time:2020-12-28   Source:未知

aluminium wire transformer

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At present, most of the transformer windings of domestic power transformer manufacturers use copper wire or copper foil, but some also use aluminum wire or aluminum foil. There are also many disputes about the advantages and disadvantages of copper wire transformers and aluminium wire transformer. Industry insiders have pointed out that aluminium wire transformer are already a common practice abroad, and the embarrassment that China faces is only due to the long-standing notion that aluminum is inferior to copper. For this reason, the promotion of domestic aluminum-to-copper transformers faces many problems.
 
In fact, the use of aluminum wire windings for power transformer windings is nothing new. As early as the 1970s and 1980s, domestic transformer manufacturers were using aluminum wire or aluminum foil to wind coils. At that time, my country's copper resources were quite scarce and copper prices were very high, which increased production costs. In order to reduce production costs and facilitate supply, it was necessary to use aluminum instead of copper to produce transformers. At that time, it was only a measure that had to be adopted as a last resort.
 
In the 1990s, the supply of copper became normal, the price of copper also dropped, and the cost of using copper transformers also dropped. Domestic power transformer manufacturers resumed using copper to produce transformers.

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