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Transformer high-voltage coil and winding method thereof

A technology of high-voltage coils and transformers, which is applied in the directions of transformer/inductor coil/winding/connection, coil manufacturing, inductor/transformer/magnet manufacturing, etc. It can solve the problems of inability to balance ampere-turns, large electromotive force of windings, and poor short-circuit resistance of windings, etc. problem, to achieve the effect of achieving ampere-turn balance, reducing electromotive force, and reducing the risk of short circuit

Pending Publication Date: 2022-01-28
重庆泰昇智能电气有限公司
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Problems solved by technology

[0005] In view of the above-mentioned defects of the prior art, the present invention discloses a transformer high-voltage coil and its winding method. What is to be solved is that the electromotive force of the winding is relatively large when the existing transformer high-voltage coil winding method suddenly short-circuits. The technical problem that the ampere-turn balance is not possible and the short-circuit resistance of the winding is poor

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  • Transformer high-voltage coil and winding method thereof
  • Transformer high-voltage coil and winding method thereof
  • Transformer high-voltage coil and winding method thereof

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or in a specific way construction and operation, therefore, should not be construed as limiting the invention. The terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] Such as figure 1 and figure 2 As shown, the present invention provides a high-voltage coil of a transformer, includ...

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Abstract

The invention relates to the technical field of power transformers, in particular to a transformer high-voltage coil and a winding method thereof. The invention discloses a transformer high-voltage coil which comprises a low-voltage coil, N layers of high-voltage coils are wound outside the low-voltage coil, layer insulation is arranged between the high-voltage coils and the low-voltage coil and between the high-voltage coils, and corrugated half oil ducts are arranged in the high-voltage coils. The winding direction of the Nth layer of the high-voltage coil is the same as that of the (N-1) th layer, and the number of layers except the first layer and the (N-1) th layer of the high-voltage coil is conventional. The method solves the technical problems that the electromotive force of the winding is larger, ampere-turn balance cannot be realized and the anti-short-circuit capability of the winding is poorer when the short circuit occurs suddenly in the winding mode of the high-voltage coil of the existing transformer.

Description

technical field [0001] The invention relates to the technical field of power transformers, in particular to a transformer high-voltage coil and a winding method thereof. Background technique [0002] With the rapid development of my country's economy, the demand for electricity is also increasing. At the same time, transformers are required to be new energy-saving and environmentally friendly. The power grid has increasingly stringent requirements for power safety and other parameters. "Technical Specifications" clearly stipulates the requirements for the sudden short-circuit resistance of transformers; and the market competition is fierce, and the invention of transformers with strong short-circuit resistance is of great significance for improving the company's market competitiveness and forming the company's core technology. [0003] The winding direction of the existing high-voltage coil can be left or right. If the first layer is wound to the right, the second layer is t...

Claims

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Application Information

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IPC IPC(8): H01F27/32H01F27/12H01F27/28H01F41/06H01F41/12
CPCH01F27/322H01F27/323H01F27/2876H01F27/2823H01F27/12H01F41/06H01F41/122
Inventor 刘翠
Owner 重庆泰昇智能电气有限公司
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