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High-efficiency and energy-saving amorphous alloy transformer employing dry-type bushings led out for completely eradicating leakage

A dry-type bushing and amorphous alloy technology, applied in the field of transformers, can solve problems such as large loss, complex structure, and difficult maintenance

Inactive Publication Date: 2016-03-16
王利梅 +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, the existing oil-immersed transformer has problems such as high cost, large loss, complex structure, low safety factor, and difficult maintenance. How to improve the structure of the existing oil-immersed transformer to solve the above problems has become an urgent problem to be solved. The problem

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  • High-efficiency and energy-saving amorphous alloy transformer employing dry-type bushings led out for completely eradicating leakage

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0023] The invention provides a high-efficiency energy-saving amorphous alloy transformer with a dry-type bushing leading out to prevent leakage. Oil expansion, buffering the heat transfer from transformer oil to the upper cover of the oil tank, reducing the temperature rise of the upper cover of the transformer oil tank, preventing oil spillage on the upper cover of the transformer, and adopting dry bushings without oil filling, blocking the external environment from passing through the bushings The internal channel that affects the insulation performance of transformer oil adopts amorphous alloy iron core, fully utilizes the characteristics of amorphous alloy materials, greatly reduces no-load loss, and achieves the purpose of reducing production costs, reducing no-load loss,...

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Abstract

The invention discloses a high-efficiency and energy-saving amorphous alloy transformer employing dry-type bushings led out for completely eradicating leakage. The amorphous alloy transformer comprises a base, wherein a transformer tank is arranged on the base; an upper cover is arranged at the top part of the transformer tank; a gas cavity is formed between the upper cover and the top part of the transformer tank; a non-alloy iron core is arranged in the transformer tank; a high-voltage coil and a low-voltage coil sleeve the iron core; the high-voltage coil is connected with a high-voltage side dry-type bushing; the low-voltage coil is connected with a low-voltage side dry-type bushing; and the high-voltage coil is connected with a tapping switch through a tapping lead, so that the targets of reducing the production cost, reducing the no-load loss, reducing the energy consumption and prolonging the service lifetime are achieved.

Description

technical field [0001] The invention relates to a transformer, in particular to an amorphous alloy high-efficiency energy-saving transformer with a dry-type bushing led out to prevent leakage. Background technique [0002] Modern society is inseparable from electricity, and the transmission and distribution of electricity are inseparable from transformers. Oil-immersed transformers are widely used in various places in modern society. According to statistics, 7% of my country's annual power generation is lost on the power supply and distribution grid, and the loss caused by the transformer itself accounts for a large proportion. Raise the oil level so that the transformer oil fills the oil-immersed bushing, which requires high sealing of the product as a whole, with high oil pressure and heavy maintenance, which is prone to failure of the oil-air sealing surface, polluting the environment, and even causing oil overflow And cause insulation failure, cause the high voltage bushi...

Claims

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Application Information

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IPC IPC(8): H01F27/14H01F27/32H01F27/08H01F27/40
Inventor 胡盛堂董文庆宋吉普常明亮韩立坤
Owner 王利梅
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