CN203871158U - SG three-phase dry type transformer - Google Patents
SG three-phase dry type transformer Download PDFInfo
- Publication number
- CN203871158U CN203871158U CN201420307361.6U CN201420307361U CN203871158U CN 203871158 U CN203871158 U CN 203871158U CN 201420307361 U CN201420307361 U CN 201420307361U CN 203871158 U CN203871158 U CN 203871158U
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- winding
- dry
- pressure winding
- transformer
- cabinet
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Abstract
The utility model discloses an SG three-phase dry type transformer and relates to the field of electrical equipment. The SG three-phase dry type transformer comprises a cabinet body and a transformer body, wherein the transformer body is arranged in the cabinet body and comprises an upper clamping plate, a lower clamping plate and windings, the windings are arranged between the upper clamping plate and the lower clamping plate, the windings include a high-voltage winding, a medium-voltage winding and a low-voltage winding from outside to inside in sequence, a wire outlet is formed in the lateral side of the cabinet body, a hard dielectric medium plastic layer is arranged on the inner side of the high-voltage winding, flexible insulating material layers are arranged on the inner side of the hard dielectric medium plastic layer and on the inner side of the medium-voltage winding, a fan is arrange inside the top of the cabinet body, and the flexible insulating material layer is 2.0-3.0 mm thick. According to the SG three-phase dry type transformer, insulativity between windings is high, safety performance is high, output capacity is high, loss is low, noise is low, and environment pollution is avoided.
Description
Technical field
The utility model relates to electric equipment field, is specifically related to a kind of SG dry-type three-phase transformer.
Background technology
Dry-type transformer is widely used in localized lighting, skyscraper, airport, the places such as harbour CNC plant equipment, briefly dry-type transformer just refers to that iron core and winding are not immersed in the transformer in insulating oil, at present, power shortages are just becoming one of key factor of restriction China economic development, serious electric network pollution and three-phase voltage unbalanced power supply situation, loss and the electric cost of electric energy are aggravated, existing three-phase dry-type transformer for wind power generation, comprise each phase coil and iron core, it is characterized in that: described each phase coil comprises that internal layer is low-voltage coil, skin is high-tension coil, in, outer coil concentric locking collar is contained on iron core, between two adjacent high-tension coils, use inter-phase splitter plate construction, between high-tension coil and iron core yoke, use yoke diaphragm structure, two block plate transformer bases are installed in described transformer bottom, transformer hanging board stretches out shell.Compared with the common electric power dry transformer of this wind power generation dry-type transformer and same capacity same model, volume is little, cost is low, superior performance, can be with high-low voltage switch cabinet and integrated rear being directly installed in wind tower of other control appliances, transmit electricity and directly in wind tower, complete from generating electricity to, replaced former box-type substation outside wind tower, reduced equipment investment, but this kind of transformer insulated property is poor, equipment fault easily occurs, and air permeability is poor, has restricted the raising of its output capacity.
Utility model content
For overcoming the deficiency in prior art, the purpose of this utility model is to provide a kind of SG dry-type three-phase transformer, has improved the insulating properties between winding, prevents from producing each other interference, also contributes to the long-term safety operation of equipment.
A kind of SG dry-type three-phase transformer, comprise cabinet and transformer body, described transformer body is located in cabinet, described transformer body comprises train wheel bridge, lower plate and winding, described winding is located between train wheel bridge and lower plate, described winding ecto-entad comprises respectively high pressure winding, middle pressure winding and low pressure winding, described cabinet side is provided with line outlet, described high pressure winding inner side is provided with hard dielectric plastic layer, described hard dielectric plastic layer and middle pressure winding inner side are provided with flexible insulating material layer, described cabinet inside top is provided with fan, the thickness of described flexible insulating material layer is 2.0～3.0mm.
Preferably, the outside of described high pressure winding is provided with the big envelope of being made up of cycloaliphatic epoxy resin material.
Preferably, described cabinet top is provided with suspension ring.
Preferably, described line outlet place is provided with L shaped rubber tube, and the junction of described rubber tube and line outlet is provided with sealing gasket.
Preferably, the diameter of described rubber tube is 4.0～6.0cm.
The utility model has the advantage of: this kind of SG dry-type three-phase transformer, described high pressure winding inner side is provided with hard dielectric plastic layer, described hard dielectric plastic layer and middle pressure winding inner side are provided with flexible insulating material layer, by the hard dielectric plastic layer and the flexible insulating material layer that are provided with, improve the insulating properties between winding, prevent from producing each other interference, also contribute to the long-term safety operation of equipment, described cabinet inside top is provided with fan, increase the air permeability of cabinet inside, contribute to improve the output capacity of transformer, the outside of described high pressure winding is provided with the big envelope of being made up of cycloaliphatic epoxy resin material, described big envelope can prevent that the winding of transformer is subject to the interference of external environment and produces fault effectively, avoid owing to moving and making moist in moistening environment for a long time, improve the useful life of equipment, described cabinet top is provided with suspension ring, be convenient to transformer device swing to install to target location, described line outlet place is provided with L shaped rubber tube, the junction of described rubber tube and line outlet is provided with sealing gasket, by L shaped rubber tube, can mouth down will be gone out in use, prevent that rainwater from entering into damage equipment in rubber tube, described sealing gasket plays the effect of sealing, the diameter of described rubber tube is 4.0～6.0cm, size to fit, cost-saving.
Brief description of the drawings
Fig. 1 is the front view of a kind of SG dry-type three-phase transformer described in the utility model.
Fig. 2 is the cutaway view of Fig. 1 along A-A direction.
Wherein: 1-cabinet, 2-train wheel bridge, 3-lower plate, 4-high pressure winding, presses winding in 5-, 6-low pressure winding, 7-line outlet, 8-hard dielectric plastic layer, 9-flexible insulating material layer, 10-fan, 11-big envelope, 12-suspension ring, 13-rubber tube, 14-sealing gasket.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As depicted in figs. 1 and 2, a kind of SG dry-type three-phase transformer, comprise cabinet 1 and transformer body, described transformer body is located in cabinet 1, described transformer body comprises train wheel bridge 2, lower plate 3 and winding, described winding is located between train wheel bridge 2 and lower plate 3, described winding ecto-entad comprises respectively high pressure winding 4, middle pressure winding 5 and low pressure winding 6, described cabinet 1 side is provided with line outlet 7, described high pressure winding 4 inner sides are provided with hard dielectric plastic layer 8, described hard dielectric plastic layer 8 and middle pressure winding 5 inner sides are provided with flexible insulating material layer 9, described cabinet 1 inside top is provided with fan 10, the thickness of described flexible insulating material layer 9 is 2.0～3.0mm, this kind of SG dry-type three-phase transformer, described high pressure winding 4 inner sides are provided with hard dielectric plastic layer 8, described hard dielectric plastic layer 8 and middle pressure winding 5 inner sides are provided with flexible insulating material layer 9, by the hard dielectric plastic layer 8 and the flexible insulating material layer 9 that are provided with, improve the insulating properties between winding, prevent from producing each other interference, also contribute to the long-term safety operation of equipment, described cabinet 1 inside top is provided with fan 10, increase the air permeability of cabinet 1 inside, contribute to improve the output capacity of transformer, and this equipment loss is low, noise is little, free from environmental pollution.
It should be noted that, the outside of described high pressure winding 4 is provided with the big envelope 11 of being made up of cycloaliphatic epoxy resin material, described big envelope 11 can prevent that the winding of transformer is subject to the interference of external environment and produces fault effectively, avoid, owing to moving and making moist for a long time, having improved the useful life of equipment in moistening environment.
In the present embodiment, described cabinet 1 top is provided with suspension ring 12, is convenient to transformer device swing to install to target location.
In the present embodiment, described line outlet 7 places are provided with L shaped rubber tube 13, described rubber tube 13 is provided with sealing gasket 14 with the junction of line outlet 7, by L shaped rubber tube 13, can mouth down will be gone out in use, prevent that rainwater from entering into the interior damage equipment of rubber tube 13, described sealing gasket 14 plays the effect of sealing.
In addition, the diameter of described rubber tube 13 is 4.0～6.0cm, and size to fit is cost-saving.
Based on above-mentioned, this kind of SG dry-type three-phase transformer, described high pressure winding 4 inner sides are provided with hard dielectric plastic layer 8, described hard dielectric plastic layer 8 and middle pressure winding 5 inner sides are provided with flexible insulating material layer 9, by the hard dielectric plastic layer 8 and the flexible insulating material layer 9 that are provided with, improve the insulating properties between winding, prevent from producing each other interference, also contribute to the long-term safety operation of equipment, described cabinet 1 inside top is provided with fan 10, increase the air permeability of cabinet 1 inside, contribute to improve the output capacity of transformer, and this equipment loss is low, noise is little, free from environmental pollution.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
Claims (5)
1. a SG dry-type three-phase transformer, comprise cabinet and transformer body, described transformer body is located in cabinet, described transformer body comprises train wheel bridge, lower plate and winding, described winding is located between train wheel bridge and lower plate, described winding ecto-entad comprises respectively high pressure winding, middle pressure winding and low pressure winding, described cabinet side is provided with line outlet, it is characterized in that, described high pressure winding inner side is provided with hard dielectric plastic layer, described hard dielectric plastic layer and middle pressure winding inner side are provided with flexible insulating material layer, described cabinet inside top is provided with fan, the thickness of described flexible insulating material layer is 2.0～3.0mm.
2. a kind of SG dry-type three-phase transformer according to claim 1, is characterized in that: the outside of described high pressure winding is provided with the big envelope of being made up of cycloaliphatic epoxy resin material.
3. a kind of SG dry-type three-phase transformer according to claim 1, is characterized in that: described cabinet top is provided with suspension ring.
4. a kind of SG dry-type three-phase transformer according to claim 1, is characterized in that: described line outlet place is provided with L shaped rubber tube, and the junction of described rubber tube and line outlet is provided with sealing gasket.
5. a kind of SG dry-type three-phase transformer according to claim 4, is characterized in that: the diameter of described rubber tube is 4.0～6.0cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307361.6U CN203871158U (en) | 2014-06-03 | 2014-06-03 | SG three-phase dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307361.6U CN203871158U (en) | 2014-06-03 | 2014-06-03 | SG three-phase dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871158U true CN203871158U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420307361.6U Expired - Fee Related CN203871158U (en) | 2014-06-03 | 2014-06-03 | SG three-phase dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448493A (en) * | 2015-12-28 | 2016-03-30 | 人民电器集团江苏斯诺成套设备工程有限公司 | Moisture-proof mechanism of energy-saving dry type transformer |
| CN109524196A (en) * | 2017-09-19 | 2019-03-26 | 南京加瑞尔自动化设备有限公司 | A kind of power transformer |
-
2014
- 2014-06-03 CN CN201420307361.6U patent/CN203871158U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448493A (en) * | 2015-12-28 | 2016-03-30 | 人民电器集团江苏斯诺成套设备工程有限公司 | Moisture-proof mechanism of energy-saving dry type transformer |
| CN109524196A (en) * | 2017-09-19 | 2019-03-26 | 南京加瑞尔自动化设备有限公司 | A kind of power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20160603 |