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High-capacity oil-immersed transformer

An oil-immersed transformer, high-capacity technology, applied in the field of transformer equipment to achieve the effects of easy implementation and promotion, simple structure, and improved heat dissipation performance

Pending Publication Date: 2019-05-21
HXXN ELECTRICITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a large-capacity oil-immersed transformer with better heat dissipation effect, aiming to solve the defects of large-capacity oil-immersed transformers in the prior art

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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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0035] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the difference between components in a specific posture (as shown in the accompanying drawings). If the relative positional relationship, movement situation, etc. change, the directional indication will change accordingly.

[0036] In addition, the descriptions r...

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Abstract

The invention discloses a high-capacity oil-immersed transformer. The high-capacity oil-immersed transformer comprises windings; the windings include an A-phase winding, a B-phase winding and a C-phase winding; the A-phase winding, the B-phase winding and the C-phase winding are correspondingly provided with circulating device sets; each circulating device set comprises an upper circulating deviceand a lower circulating device; the upper circulating device is positioned at the top of the corresponding winding, and the lower circulating device is positioned at the bottom of the corresponding winding; and the upper circulating device and the lower circulating device are both composed of disc type shells and rotating blades arranged in the shells. The sum of suction force generated by rotation of the rotating blades of the upper circulating devices at the tops of the windings and thrust force generated by the lower circulating devices at the bottoms of the windings are used for activelyaccelerating the heat dissipation circulation of mineral oil inside an oil tank, so that the heat dissipation performance of the oil-immersed transformer is effectively improved, and the shortcoming that a heat dissipation device of a conventional oil-immersed transformer can only carry out heat dissipation processing outside the transformer is overcome.

Description

Technical field [0001] The invention relates to the field of transformer equipment, in particular to a large-capacity oil-immersed transformer. Background technique [0002] Transformers are one of the main equipment in power plants and substations. The role of the transformer is multi-faceted, not only can increase the voltage to send electrical energy to the electricity consumption area, but also reduce the voltage to the voltage used at all levels to meet the needs of electricity. Transformers can be divided into dry-type transformers and oil-immersed transformers according to the insulating medium. The oil-immersed type uses mineral oil as the main insulation and cooling medium of the transformer. The main components of the transformer are immersed in the oil tank filled with mineral oil, on the top of the tank cover A box-type transformer with terminal terminals. Compared with other types of transformers, oil-immersed transformers have relatively simple structure, relativel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/12
Inventor 夏欣黄志文陈康叶灿华李文芳游玫瑰
Owner HXXN ELECTRICITY
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