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Dry type transformer device with exhaust fan

A dry-type transformer and exhaust fan technology, applied in the field of transformers, can solve problems such as equipment safety risks, impacts on safe operation, overheating, etc., and achieve the effects of reducing local overheating areas, improving operational reliability, and compact equipment structure

Inactive Publication Date: 2015-10-21
王磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there may be localized overheating in the individual winding columns of the transformer, which has a particularly high impact on safe operation and poses a potential risk to equipment safety

Method used

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  • Dry type transformer device with exhaust fan
  • Dry type transformer device with exhaust fan
  • Dry type transformer device with exhaust fan

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] Combine below Figure 1-3 The present invention will be described in detail.

[0011] A dry-type transformer device with an exhaust fan according to an embodiment includes a housing 80 with a cooling exhaust fan 83 on the side wall and a plurality of winding columns 81 arranged uniformly in the circumferential direction in the housing 80, wherein, The bottom of the central part surrounded by the plurality of winding columns 81 is provided with a cooling blowing device 82 supplied with air from the gas delivery pipe 61, and the cooling blowing device 82 includes a gas inlet nozzle 6 to communicate with the gas. The air cavity annular shell 15 communicated with the conveying pipe 61. The air cavity annular shell 15 is integrally provided with a bottom annular portion 152 and an upper cylindrical portion 151 and the interior is a gas communication cavity 150. The cylinder A plurality of communication holes 4 evenly distributed in the circumferential direction are provided...

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Abstract

The invention relates to a dry type transformer device with an exhaust fan. The dry type transformer device includes a shell (80) of which the side wall is provided with a cooling exhaust fan (83) and a plurality of winding columns (81) which are arranged in the shell (80) and are uniformly distributed along a circumferential direction; the bottom of a central portion surrounded by the plurality of winding columns (81) is provided with a cooling blowing device (82); a gas conveying pipe (61) supplies gas for the cooling blowing device (82); the cooling blowing device (82) includes a gas inlet pipe mouthpiece (6) and a gas cavity annular shell (15) communicated with the gas conveying pipe (61); and the gas cavity annular shell (15) is integrally provided with a bottom surface annular portion (152) and a cylindrical portion (151) at the upper side of the bottom surface annular portion (152); and a gas communication cavity (150) is arranged in the gas cavity annular shell (15).

Description

technical field [0001] The application belongs to the field of transformers, in particular to a dry-type transformer device with an exhaust fan. Background technique [0002] Dry-type transformers often have multiple winding column assemblies to meet power needs. In some places where the installation environment is limited, these multiple winding columns can be arranged in a circular manner. However, the cooling ventilation in this arrangement requires a special design to meet the needs of cooling and ensure the safe operation of the equipment. [0003] The existing ventilation device quickly cools down the temperature of transformer components such as windings in the casing by setting a fan. However, there may be local overheating in the individual winding columns of the transformer, which has a particularly large impact on safe operation and poses a potential risk to the safety of the equipment. Contents of the invention [0004] The object of the present invention is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/08H02K5/18H02K9/04
Inventor 王磊
Owner 王磊
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