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Fully-sealed dry-type transformer

A dry-type transformer, fully sealed technology, applied in the field of transformer devices, can solve the problems of cooling device failure, transformer overheating failure, high cost, etc., and achieve the effects of low shutdown failure rate, improved overall machine efficiency and long service life

Pending Publication Date: 2021-09-24
QINGDAO CAHORS ELECTRICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in some special applications, special cooling methods, such as forced air circulation and water cooling, are adopted to solve these problems. Usually, the cost is high and cooling devices such as fans and water pumps are prone to failure, which may easily cause the transformer to overheat and even burn out.

Method used

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  • Fully-sealed dry-type transformer
  • Fully-sealed dry-type transformer
  • Fully-sealed dry-type transformer

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, 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 making creative efforts fall within the protection scope of the present invention.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "horizontal", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation...

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Abstract

The invention relates to a fully-sealed dry-type transformer. The transformer comprises a transformer shell with a right sealing structure, a transformer body is installed in the transformer shell, and key components are completely isolated from the external environment. The transformer shell is composed of a heat dissipation wall with a heat dissipation structure, and heat generated by an internal electrical structure can be effectively dissipated. The fully-sealed dry-type transformer provided by the invention can be applied to all application scenes of conventional liquid immersion type and dry-type transformers, has lower shutdown failure rate and longer service life, and is completely maintenance-free.

Description

technical field [0001] The invention belongs to the technical field of transformer devices, in particular to a fully sealed dry-type transformer. Background technique [0002] Generally, transformers can be divided into oil-immersed transformers and dry-type transformers according to the insulation medium. Transformers that undertake long-distance and large-capacity transmission generally use oil-immersed transformers due to their high voltage and large capacity. Among them, due to the relatively small voltage and capacity, both oil-immersed transformers and dry-type transformers are used. [0003] In some general power supply occasions, such as villages, communities, etc., where the requirements for transformer installation space and fire protection are not too high, oil-immersed transformers are often used; while in some buildings, such as basements, buildings, or ships, etc., the installation space and fire protection requirements are not very high. Where there are stric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/02H01F27/08H01F27/22
CPCH01F27/02H01F27/022H01F27/22H01F27/08
Inventor 房珑魏丁雷晓煦
Owner QINGDAO CAHORS ELECTRICAL EQUIP CO LTD
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