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Minimum allowable insulation distance in dry transformer

When the insulation gap in the insulation, the improper selection of material and size, if these gaps are fixed, the transformer can be damaged. If it is fixed, the insulation and other materials are wasted greatly, and the price of the whole transformer

Development direction of dry type transformer

With the popularization and application of the dry transformer, its manufacturing technology has also been greatly developed. It can be predicted that the future dry transformer will be further developed in the following aspects.

Energy loss of transformer

Transformer energy losses are dominated by winding and core losses. Transformers' efficiency tends to improve with increasing transformer capacity. The efficiency of typical distribution transformers is between about 98 and 99 percent