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110kV three-phase dry-type transformer

A dry-type transformer, three-phase dry-type technology, applied in transformers, variable transformers, transformer/inductor components, etc., can solve the problems of insufficient insulation level and inability to meet the insulation withstand voltage capability of transformers.

Pending Publication Date: 2019-06-25
JIANGSU HUAPENG TRANSFORMER
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the embodiment of the present application is to provide a 110kV three-phase dry-type transformer, which is used to solve the problem that the existing three-phase dry-type transformer has insufficient insulation level and cannot meet the requirements of the voltage withstand capacity of the transformer insulation in the case of a voltage level of 110kV.

Method used

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Embodiment Construction

[0036] In order to facilitate the understanding of those skilled in the art, the words in the embodiments of the present application are explained and described below.

[0037] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may also be implemented in other ways. The device embodiments described above are only illustrative. For example, the flowcharts and block diagrams in the accompanying drawings show the architecture, functions and possible implementations of devices, methods and computer program products according to multiple embodiments of the present application. operate. In this regard, each block in a flowchart or block diagram may represent a module, program segment, or part of code that includes one or more Executable instructions. It is also to be noted that each block in the block diagrams and / or flowchart illustrations, and combinations of blocks in the block diagrams and / or flowchart illust...

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Abstract

The embodiment of the invention provides a 110kV three-phase dry-type transformer, and the 110kV three-phase dry-type transformer comprises three connected single-phase dry-type transformers, whereineach single-phase transformer comprises a wire inlet side high-voltage coil and a wire outlet side high-voltage coil; the wire inlet side high-voltage coil is provided with a wire inlet end and a wireoutlet end, and the wire outlet side high-voltage coil is provided with a wire inlet end and a wire outlet end; the wire outlet end of the wire inlet side high-voltage coil is connected with the wireinlet end of the wire outlet side high-voltage coil, and the wire inlet side high-voltage coil is in series connection with the wire outlet side high-voltage coil. According to the invention, the wire inlet ends are arranged at the middles of the high-voltage coils at all sides, so the lightning impulse voltage resistance of the wire inlet ends of the high-voltage coils at all sides is improved,the lightning impulse voltage resistance of the whole three-phase dry type transformer is further improved, and the requirement for the voltage resistance of insulation of the three-phase dry type transformer under the 110kV voltage level is met.

Description

technical field [0001] The present application relates to the technical field of power transformers, in particular, to a 110kV three-phase dry-type transformer. Background technique [0002] At present, most of the existing three-phase dry-type transformers are used for low voltage levels, such as 35kV. In the case of higher voltage levels (such as 110kV voltage level), the existing three-phase dry-type transformers will have insufficient insulation level and cannot meet 110kV The problem of the voltage withstand capability requirements of the voltage level insulation. Contents of the invention [0003] The purpose of the embodiment of the present application is to provide a 110kV three-phase dry-type transformer, which is used to solve the problem that the existing three-phase dry-type transformer has insufficient insulation level and cannot meet the requirements of the voltage withstand capacity of the transformer insulation in the case of a voltage level of 110kV. . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/30H01F27/32
CPCH01F2038/006H01F27/40H01F29/025H01F29/04H01F27/327H01F2027/328H01F27/306H01F27/324H01F41/125
Inventor 王恬平曾庆赣陈琪周国伟施晨明
Owner JIANGSU HUAPENG TRANSFORMER
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