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Dry-type transformer

A dry-type transformer and transformer technology, applied in the direction of transformer/inductor housing, transformer/inductor cooling, transformer/inductor components, etc., can solve problems such as high temperature and failure, and achieve the effect of improving firmness

Active Publication Date: 2019-08-30
GUANGZHOU GAOTIE MEASUREMENT & TESTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a dry-type transformer, which solves the technical problem in the prior art that the dry-type transformer fails due to excessive temperature.

Method used

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] Such as figure 1 , figure 2 , image 3 As shown, the embodiment of the present invention provides a dry-type transformer, including a transformer body 1, a casing 2, a bottom plate 3, and a fan 4. The transformer body 1 is formed by multiple sets of encapsulating winding arrays. Generally, three sets of arrays are selected, and in the transformer The bottom of the main body 1 is provided with a strut 11, which connects each group of encapsulated windings ...

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Abstract

The invention discloses a dry-type transformer. The dry-type transformer comprises a transformer body, a housing, a bottom plate and a fan, wherein the transformer body is formed by a plurality of groups of encapsulated windings in an array mode, a supporting rod is arranged at the bottom of the transformer body and allow the encapsulated windings in each group to connect with each other, the supporting rod is arranged in a crossed mode, and first threaded holes penetrate the supporting rod; the transformer body is integrally arranged in the cavity of the housing, and the bottom of the transformer body is fixedly positioned with the bottom plate, and meanwhile, the transformer body is arranged in the housing through the fan, the whole device achieves dispelling the heat in the transformerbody, and the graphite material of housing side is protruding simultaneously, and the heat from the housing is diffused quickly, and the protrusion of the array distribution can reduce the air great dust entering the inner wall of the housing through air vents.

Description

technical field [0001] The invention belongs to the technical field of transformer equipment, and in particular relates to a dry-type transformer. Background technique [0002] The dry-type transformer is mainly composed of an iron core composed of silicon steel sheets and a coil casted by epoxy resin. An insulating cylinder is placed between the high and low voltage coils to increase electrical insulation, and the coils are supported and restrained by pads, and fasteners for overlapping parts Both have anti-loose performance. Widely used in local lighting, high-rise buildings, airports, wharf CNC machinery and equipment and other places. At present, the pace of construction of urban and rural power grids is accelerating, and my country's power generation and consumption are increasing day by day. Generally speaking, for every 1kW increase in power generation, the total transformer capacity needs to be increased by 11kVA. It is estimated that dry-type distribution transfo...

Claims

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Application Information

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IPC IPC(8): H01F27/08H01F27/22H01F27/02H01F27/06
CPCH01F27/02H01F27/025H01F27/06H01F27/085H01F27/22
Inventor 陈国光李旭生苏剑锋
Owner GUANGZHOU GAOTIE MEASUREMENT & TESTING CO LTD
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