Multi-voltage dual-frequency dry-type transformer for power supply of large marine wharf

The utility model provides a multi-voltage dual-frequency dry-type transformer for power supply of a large marine wharf, which relates to the technical field of transformers and comprises an iron core, a primary coil winding and six secondary coil windings. On the first winding, a head wiring terminal is connected to a position where the number of turns of the coil is corresponding to 0; the second winding and the third winding are connected with a tapping wiring terminal group in a matching manner; on the fourth winding, a voltage selection terminal I is connected to a position where the number of turns of the coil is corresponding to 0, and a voltage selection terminal II is connected to a position along the direction in which the number of turns of the coil is reduced; on the fifth winding, a voltage selection terminal III is connected to a position where the number of turns is corresponding to 0; and on the sixth winding, the position corresponding to the maximum number of turns of the coil is connected w