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Transformers can be divided into: power transformers, special transformers

Transformers can be divided into: power transformers, special transformers.
Classification of power transformers:
1, according to the transformer capacity points: small and medium-sized transformers, large transformers, large transformers;
2, according to the number of windings: double winding transformer, three winding transformer;
3, according to whether the high and low voltage coil connection points: ordinary transformer, autotransformer;
4, according to the transformer regulator way points: no excitation voltage regulator, on-load voltage regulator;
5, according to the number of points: single-phase transformers, three-phase transformer;
6, according to the cooling medium points: oil-immersed transformers, dry-type transformers;
7, according to the core structure points: heart-shaped transformers, shell-type transformers.