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Transformer and method for arranging bushing of transformer

A technology for transformers and transformer shells, which is applied to transformer/inductor components, transformer/inductor coils/windings/connections, electrical components, etc., and can solve the problems of large insulation distance requirements, unsatisfactory requirements, and high voltage levels. Effective utilization, realization of compact design, reduction in weight and effect of substation space ratio

Pending Publication Date: 2021-11-02
SIEMENS TRANSFORMER WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In traditional transformers, high-voltage bushings are usually installed with bushing risers due to their high voltage level and large insulation distance requirements, which cannot meet the customer's requirements for transformer size.

Method used

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  • Transformer and method for arranging bushing of transformer
  • Transformer and method for arranging bushing of transformer
  • Transformer and method for arranging bushing of transformer

Examples

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Embodiment Construction

[0052] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following examples. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. 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.

[0053] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, singular forms are intended to include plural forms unless the context clearly dict...

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PUM

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Abstract

The invention provides a transformer and a method for arranging a bushing of the transformer. A transformer comprises a coil (20) and a bushing (10) used for leading an outgoing line of the coil (20) to the outside of a transformer shell (30). The bushing (10) is arranged on the basis of a voltage gradient across the coil (20) in such a way that a bushing portion at which the highest potential of the bushing (10) is located and a coil portion of the coil (20) at the same potential as the highest potential of the bushing (10) are spatially opposite each other. A compact design of the transformer is achieved, the limited space of the transformer can be more effectively utilized, and the weight of the transformer and the space proportion of a transformer substation are reduced.

Description

technical field [0001] The present invention relates generally to the field of electrical equipment, and more particularly to transformers and methods of arranging bushings of transformers. Background technique [0002] It is well known that the bushing of the transformer is a component that leads the high-voltage lead wire inside the transformer to the outside of the transformer shell. The lead wire of the transformer coil must pass through the bushing, and the bushing insulates the lead wire from the transformer shell and at the same time acts The role of the fixed lead-out line. [0003] In transformer design, the size requirements of the transformer are very strict. In traditional transformers, high-voltage bushings are usually installed with bushing risers due to their high voltage level and large insulation distance requirements, which cannot meet the customer's requirements for transformer size. Contents of the invention [0004] In view of this, the present inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/04H01F27/29H01F27/32
CPCH01F27/04H01F27/29H01F27/324
Inventor 廖威吴先威张亚旭解静刘欢朱德虎周灿文黄先博
Owner SIEMENS TRANSFORMER WUHAN
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