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High-voltage winding and dry-type transformer

A high-voltage winding and high-voltage coil technology, applied in the direction of transformer/inductor coil/winding/connection, preventing/reducing unnecessary electric/magnetic influence, etc., can solve problems such as poor thermal conductivity, insulation cracking, and harsh operating environment , to achieve the effect of prolonging the service life, stabilizing the insulating layer, and evenly dispersing the filler

Pending Publication Date: 2022-04-08
JIANGSU SHENMA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although dry-type transformers have made great progress in the past 10 years, there are still problems such as insulation cracking, poor heat conduction, and harsh operating environments during operation.

Method used

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  • High-voltage winding and dry-type transformer
  • High-voltage winding and dry-type transformer
  • High-voltage winding and dry-type transformer

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Embodiment Construction

[0031] As required, specific embodiments of the present application will be disclosed herein. However, it should be understood that the embodiments disclosed here are merely typical examples of the application, which can be embodied in various forms. Therefore, specific details disclosed herein are not to be considered limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in any appropriate way in practice, This includes taking various features disclosed herein and combining features that may not be expressly disclosed herein.

[0032] The "connection" mentioned in this application should be interpreted in a broad sense unless otherwise specified or limited, and may be a direct connection or a connection through an intermediary. In the description of the present application, it should be understood that the orientation or positional relationship indicated by "upper", "lower"...

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Abstract

The high-voltage winding comprises a winding body, a high-voltage coil and a high-voltage insulating layer, a wire is wound on the winding body to form the high-voltage coil, the winding body is made of a fiber reinforced composite material, the high-voltage insulating layer wraps the high-voltage coil and the winding body, and the high-voltage insulating layer is made of high-temperature vulcanized silicone rubber. The invention further discloses a dry-type transformer which comprises the high-voltage winding. The high-voltage winding provided by the invention has relatively good fireproof performance, low-temperature resistance, aging resistance and short-circuit test resistance, is excellent in electrical insulation performance, and is energy-saving and environment-friendly.

Description

technical field [0001] The present application relates to the technical field of power transformers, in particular to a high-voltage winding and a dry-type transformer. Background technique [0002] At present, transformers can be divided into: oil-immersed transformers, dry-type transformers, and gas transformers. Dry-type transformers have the advantages of no oil, fire prevention, long life, energy saving, low noise, simple maintenance, safety and reliability. Most of the dry-type transformers currently on the market are dry-type transformers with resin-cast high-voltage windings and open dry-type transformers. Although dry-type transformers have made great progress in the past 10 years, there are still problems such as insulation cracking, poor heat conduction, and harsh operating environments during operation. Contents of the invention [0003] In view of the deficiencies in the prior art, one of the purposes of the present application is to provide a high-voltage w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28H01F27/34H01F27/30H01F27/32
Inventor 马婷婷张鑫鑫周曙琛张小容刘超马斌
Owner JIANGSU SHENMA ELECTRIC CO LTD
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