Cabin dry-type transformer for wind power generation

Abstract

The utility model discloses a cabin dry-type transformer for wind power generation, which comprises an upper end mounting frame and a lower end mounting frame, and a plurality of transformer main bodies are arranged between the upper end mounting frame and the lower end mounting frame. The transformer bodies are each provided with a high-voltage coil main wiring end, a high-voltage coil main wire outlet end and a plurality of high-voltage coil branch wiring ends, the high-voltage coil main wiring ends are each provided with a main wiring end protection ring, and the high-voltage coil main wire outlet ends are each provided with a main wire outlet end protection ring. The plurality of high-voltage coil branch terminals are all provided with branch terminal protective rings, the plurality of high-voltage coil main terminals and the plurality of high-voltage coil main wire outlet terminals are connected through a plurality of connecting assemblies, and the plurality of high-voltage coil main wire outlet terminals are all provided with electricity control assemblies. The utility model has the advantages that the risks of creepage and lightning invasion are reduced, and the work is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a cabin dry-type transformer for wind power generation. Background Art

[0002] my country is a country that actively promotes carbon neutrality and has been actively promoting the development of renewable energy, reducing carbon dioxide emissions, and saving energy and reducing emissions. To achieve the goal of carbon neutrality, wind power generation, as the most promising power generation method at present, has become one of the country's emerging industries with its natural green and low carbon emissions. It will greatly help achieve the "carbon neutrality" goal. In order to further reduce the consumption of high-current cables, in recent years, wind power transformers have begun to be placed in the high-altitude cabin of wind turbines.

[0003] The high-altitude cabin of a wind turbine is a semi-enclosed environment, and the dry-type transformers therein are in an environment that is easily contaminated, humid, and susceptible to lightning intrusion. Traditional wind turbine dry-type transformers are at risk of creepage, contamination, moisture, and lightning intrusion in such an environment, which affects their stability and lifespan.

[0004] To this end, this solution proposes a nacelle dry-type transformer for wind power generation to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes a nacelle dry-type transformer for wind power generation.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A dry-type transformer for a wind power generation cabin comprises an upper mounting frame and a lower mounting frame, wherein a plurality of transformer bodies are arranged between the upper mounting frame and the lower mounting frame, wherein the plurality of transformer bodies are provided with a high-voltage coil main connection terminal, a high-voltage coil main output terminal and a plurality of high-voltage coil branch terminals, wherein the plurality of high-voltage coil main connection terminals are provided with a main connection terminal guard ring, the plurality of high-voltage coil main output terminals are provided with a main output terminal guard ring, the plurality of high-voltage coil branch terminals are provided with a branch terminal guard ring, the plurality of high-voltage coil main connection terminals and the plurality of high-voltage coil main output terminals are connected via a plurality of connection components, and the plurality of high-voltage coil main output terminals are provided with an electric control component.

[0008] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: the power control component includes an outlet component arranged at the main outlet end of the high-voltage coil, and multiple outlet components are provided with discharge balls, and multiple lightning arresters are provided on the lower end mounting frame, and multiple lightning arresters are respectively arranged close to multiple transformer bodies.

[0009] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: a plurality of auxiliary brackets are provided on the lower end mounting frame, and a plurality of the lightning arresters are respectively mounted on the plurality of auxiliary brackets.

[0010] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: a plurality of lower mounting brackets are provided on the lower mounting frame, and a plurality of upper mounting brackets are provided on the upper mounting frame.

[0011] In order to better achieve the above purpose, the utility model adopts a further technical solution: the plurality of guard rings at the main connection terminals, the plurality of guard rings at the main outlet terminals and the plurality of guard rings at the branch terminals are all circular guard rings.

[0012] The advantages of the utility model are: main terminal guard rings, main outlet terminal guard rings and branch terminal guard rings are added to the main terminal of the high-voltage coil, the main outlet terminal of the high-voltage coil and the branch terminal of the high-voltage coil, thereby increasing the creepage distance and reducing the risk of creepage of the transformer in a dirty and humid environment; a lightning arrester is integrated on the transformer to reduce the risk of lightning intrusion; a discharge ball is installed at the main outlet terminal of the high-voltage coil to facilitate discharge operation after the transformer stops running, which is very beneficial to safe work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a dry-type transformer for wind power generation proposed by the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the high-voltage coil tapping terminal of the dry-type transformer for wind power generation proposed by the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the main output terminal of the high-voltage coil of the dry-type transformer for wind power generation proposed by the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the three-dimensional structure of the main connection terminal of the high-voltage coil of the dry-type transformer in the wind power generation cabin.

[0017] In the figure: 1 upper mounting frame, 2 lower mounting frame, 3 transformer body, 4 high-voltage coil main terminal, 5 high-voltage coil main outlet terminal, 6 high-voltage coil branch terminal, 7 main terminal guard ring, 8 main outlet terminal guard ring, 9 branch terminal guard ring, 10 connection assembly, 11 outlet assembly, 12 discharge ball, 13 lightning arrester, 14 auxiliary bracket, 15 lower mounting bracket, 16 upper mounting bracket. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] Reference Figure 1-Figure 4 As shown, a dry-type transformer for a wind power generation cabin comprises an upper mounting frame 1 and a lower mounting frame 2, wherein a plurality of lower mounting brackets 15 are arranged on the lower mounting frame 2, and a plurality of upper mounting brackets 16 are arranged on the upper mounting frame 1, and the upper mounting frame 1 and the lower mounting frame 2 can be conveniently installed by means of the lower mounting brackets 15 and the upper mounting brackets 16, and a plurality of transformer bodies 3 are arranged between the upper mounting frame 1 and the lower mounting frame 2, and a plurality of transformer bodies 3 are all provided with a high-voltage coil main terminal 4, a high-voltage coil main outlet terminal 5 and a plurality of high-voltage coil branch terminals 6, a plurality of high-voltage coil main terminals 4 are all provided with a main terminal guard ring 7, a plurality of high-voltage coil main outlet terminals 5 are all provided with a main outlet terminal guard ring 8, a plurality of high-voltage coil branch terminals 6 are all provided with a branch terminal guard ring 9, a plurality of main terminal guard rings 7, a plurality of main outlet terminal guard rings 8 and a plurality of branch terminal guard rings 9 are all circular guard rings, and the surface of the circular structure is smooth and fluent, so that rainwater and dirt can flow smoothly to the surroundings, avoiding The interior is polluted and damaged, thereby increasing the creepage distance and ensuring safety; multiple high-voltage coil main terminals 4 and multiple high-voltage coil main outlet terminals 5 are connected through multiple connecting components 10, and multiple high-voltage coil main outlet terminals 5 are each provided with an electric control component, and the electric control component includes an outlet component 11 arranged at the main outlet terminal 5 of the high-voltage coil, and multiple outlet components 11 are each provided with a discharge ball 12, with the aid of the discharge ball 12, discharge work can be conveniently performed, which is very convenient for staff to use, and multiple lightning arresters 13 are provided on the lower end mounting frame 2, and multiple lightning arresters 13 are respectively arranged close to multiple transformer bodies 3, with the aid of the lightning arrester 13, lightning can be effectively guided to avoid damage caused by lightning intrusion, thereby making the device safer when used outdoors in conjunction with wind power generation, and multiple auxiliary brackets 14 are provided on the lower end mounting frame 2, and multiple lightning arresters 13 are respectively installed on multiple auxiliary brackets 14, which facilitates the installation and removal of the lightning arrester 13 by the staff, and then the maintenance and replacement work of the lightning arrester 13 can be better completed separately.

[0020] During the use of the utility model, the protective rings 7 at the multiple main terminals can effectively protect the multiple high-voltage coil main terminals 4, the protective rings 8 at the multiple main outlet terminals can effectively protect the multiple high-voltage coil main outlet terminals 5, and the protective rings 9 at the multiple branch terminals can effectively protect the multiple high-voltage coil branch terminals 6, so that the creepage distances of the multiple high-voltage coil main terminals 4, the multiple high-voltage coil main outlet terminals 5 and the multiple high-voltage coil branch terminals 6 during operation are increased, and the risk of creepage of the transformer body 3 in a dirty and humid environment is effectively reduced. At the same time, the multiple lightning arresters 13 can effectively guide lightning when working, and then the transformer body 3 is not easily invaded by lightning during wind power generation, which greatly ensures the safety of the transformer body 3 working outdoors. After the transformer body 3 stops running, the discharge work can be conveniently completed with the help of the discharge ball 12, which is very beneficial for the staff to operate and use.

[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dry-type transformer for a wind power generation nacelle, comprising an upper mounting frame (1) and a lower mounting frame (2), characterized in that: A plurality of transformer bodies (3) are arranged between the upper mounting frame (1) and the lower mounting frame (2); each of the plurality of transformer bodies (3) is provided with a high-voltage coil main connection terminal (4), a high-voltage coil main output terminal (5) and a plurality of high-voltage coil branch terminals (6); each of the plurality of high-voltage coil main connection terminals (4) is provided with a main connection terminal guard ring (7); each of the plurality of high-voltage coil main output terminals (5) is provided with a main output terminal guard ring (8); each of the plurality of high-voltage coil branch terminals (6) is provided with a branch terminal guard ring (9); the plurality of high-voltage coil main connection terminals (4) and the plurality of high-voltage coil main output terminals (5) are connected via a plurality of connection components (10); each of the plurality of high-voltage coil main output terminals (5) is provided with an electric control component, the electric control component comprising a An outlet assembly (11) at the main outlet terminal (5) of a pressure coil, a plurality of the outlet assemblies (11) are each provided with a discharge ball (12), a plurality of lightning arresters (13) are provided on the lower end mounting frame (2), and the plurality of lightning arresters (13) are respectively arranged close to a plurality of transformer bodies (3), characterized in that a plurality of auxiliary brackets (14) are provided on the lower end mounting frame (2), and the plurality of lightning arresters (13) are respectively installed on the plurality of auxiliary brackets (14), characterized in that a plurality of lower end mounting brackets (15) are provided on the lower end mounting frame (2), a plurality of upper end mounting brackets (16) are provided on the upper end mounting frame (1), and the plurality of main terminal guard rings (7), the plurality of main outlet terminal guard rings (8) and the plurality of branch terminal guard rings (9) are all circular guard rings.

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