Transformer body structure of oil immersion type power distribution transformer
A distribution transformer, oil-immersed technology, applied in the direction of transformer/inductor magnetic core, transformer/inductor parts, transformer/inductor coil/winding/connection, etc., can solve the problem that the mechanical strength of the winding cannot be guaranteed, the winding Problems such as low mechanical strength and poor short-circuit resistance can achieve the effect of reducing the amount of main materials, improving short-circuit resistance and reliability
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[0026] The elliptical body structure of the oil-immersed distribution transformer of the present invention, such as figure 1 As shown, it includes an iron core 1, a low-voltage winding 2, a high-voltage winding 3, and an insulating structure 4. The iron core 1 is a three-phase three-column iron core. The three-phase high-voltage winding 3 and the low-voltage winding 2 adopt a sleeve-wound structure and are respectively sleeved on the three-columns of the iron core 1, and there is a support plate between the low-voltage winding 2 and the iron core 1. The insulating structure 4 is supported between the iron core and the winding, and plays a role of supporting, insulating and providing a heat dissipation oil circuit. The shape and size of the insulating structure 4 are matched with the iron core, the high voltage winding and the low voltage winding, so that the body forms a strong overall structure.
[0027] The cross-sections of the coil bodies of the low-voltage winding 2 and the ...
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