CN202871540U - Twelve pulse epoxy resin pouring dry-type rectifier transformer - Google Patents
Twelve pulse epoxy resin pouring dry-type rectifier transformer Download PDFInfo
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- CN202871540U CN202871540U CN 201220549479 CN201220549479U CN202871540U CN 202871540 U CN202871540 U CN 202871540U CN 201220549479 CN201220549479 CN 201220549479 CN 201220549479 U CN201220549479 U CN 201220549479U CN 202871540 U CN202871540 U CN 202871540U
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Abstract
A twelve pulse epoxy resin pouring dry-type rectifier transformer comprises an iron core, a low-voltage coil and a high-voltage coil. The iron core is provided with three wrapping posts, and the low-voltage coil is composed of six coil windings. Three coil windings of an upper low-voltage coil are correspondingly coiled on the upper half segments of the three wrapping posts, and three coil windings of a lower low-voltage coil are correspondingly coiled on the lower half segments of the three wrapping posts. The high-voltage coil is composed of three coil windings which are distributed on the periphery of the low-voltage coil. Three coiling windings of one of the upper low-voltage coil and the lower low-voltage coil are connected in a star mode, and three coiling windings of the other of the upper low-voltage coil and the lower low-voltage coil are connected in a triangular mode. The three coil windings of the high-voltage coil are connected in a triangular mode. The twelve pulse epoxy resin pouring dry-type rectifier transformer overcomes the defects of an existing oil immersion type rectifier transformer, and has the advantages of not needing maintenance, and being energy-saving and environment-friendly, strong in short circuit resisting capability and heat resisting capability, and convenient to use.
Description
Technical field
The utility model relates to a kind of transformer, is specifically related to a kind of 12 pulsating wave epoxy resin pouring dry type rectifier transformer, and this transformer is the transformer that aims at the 12 pulsating wave commutation supply voltage.
Background technology
The rectifying installation that industrial DC power supply major part all is comprised of by rectifier transformer and rectifier AC network obtains, rectifier transformer mainly be used in electrochemical industry, traction with DC power supply, transmission with DC power supply, direct current transportation with DC power supply etc.Traditional rectifier transformer adopts the oil immersed type rectifier transformer mostly owing to being subject to the impact of the aspects such as on-the-spot environment for use and electric pressure, the oil immersed type rectifier transformer is of wide application, can be indoors, also can be out of doors, but its need be placed on do not have the local of fire and have that volume is large, Heavy Weight, easily leakage of oil, contaminated environment, overload capacity is little and need the shortcoming such as periodic maintenance maintenance.At present along with the development of Cast Resin Dry-Type Transformer and the improvement of on-the-spot environment for use, the Cast Resin Dry-Type Transformer energy-conserving and environment-protective, non-maintaining, anti-short circuit capability is strong, temperature capacity is strong, the advantage such as easy for installation is more and more outstanding, and many customer requirements use the epoxy resin pouring dry type rectifier transformers.So, how to design the problem that a kind of brand-new 12 pulsating wave epoxy resin pouring dry type rectifier transformer becomes the utility model research.
Summary of the invention
The utility model provides a kind of 12 pulsating wave epoxy resin pouring dry type rectifier transformer, its objective is the deficiency that will solve existing oil immersed type rectifier transformer, have advantages of Maintenance free, energy-conserving and environment-protective, anti-short circuit capability is strong, temperature capacity is strong and easy for installation.
For achieving the above object, the technical solution adopted in the utility model is: comprise iron core, low-voltage coil and high-tension coil, its innovation is: described iron core has three wrapping posts, described low-voltage coil is comprised of six coil windings, wherein, three coil windings are upper low-voltage coil, three coil windings are lower low-voltage coil in addition, three coil windings correspondences of upper low-voltage coil are on the upper semisection position that is associated in three wrapping posts, three coil windings correspondences of lower low-voltage coil are on the lower semisection position that is associated in three wrapping posts, described high-tension coil is comprised of three coil windings, three coil windings correspondences of high-tension coil are around being associated on three wrapping posts, and are arranged in the periphery of described low-voltage coil; In described upper low-voltage coil and the lower low-voltage coil, adopt Y-connection between three coil windings of one, adopt triangle to connect between three coil windings of another one, adopt triangle to connect between three coil windings of described high-tension coil.
In the such scheme, low-voltage coil is provided with outlet copper bar on the described transformer correspondence, and upper outlet copper bar is drawn from the upside of upper low-voltage coil; Low-voltage coil is provided with lower outlet copper bar under the described transformer correspondence, and lower outlet copper bar is drawn from the downside of lower low-voltage coil.
The utility model operation principle is: in upper low-voltage coil and lower low-voltage coil, adopt Y-connection between three coil windings of one, adopt triangle to connect between three coil windings of another one, adopt triangle to connect between three coil windings of described high-tension coil, connect and then the outlet copper bar of the low-voltage coil of transformer is connected three-phase bridge rectifier, the output voltage of low-voltage coil can be exported the 12 pulsating wave DC power supply for load by three-phase bridge rectifier.
Because technique scheme is used, the utility model compared with prior art has the following advantages:
1, the utility model is a kind of epoxy resin pouring dry type rectifier transformer, has Maintenance free, energy-conserving and environment-protective, advantages such as anti-short circuit capability is strong, temperature capacity is strong, long service life, low-loss, low noise.
2, the utility model simplicity of design, safety durable.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is end view of the present utility model.
In the above accompanying drawing: 1,12 pulsating wave epoxy resin pouring dry type rectifier transformer; 2, iron core; 3, upper low-voltage coil; 4, lower low-voltage coil; 5, high-tension coil; 6, upper outlet copper bar; 7, lower outlet copper bar; 8, cushion block; 9, folder.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of 12 pulsating wave epoxy resin pouring dry type rectifier transformer
Referring to accompanying drawing 1, shown in 2, comprise iron core 2, low-voltage coil and high-tension coil 5, described iron core 2 has three wrapping posts, described low-voltage coil along around the axial split of wrapping post be upper low-voltage coil 3 and lower low-voltage coil 4, this low-voltage coil is comprised of six coil windings, wherein, three coil windings are upper low-voltage coil 3, three coil windings are lower low-voltage coil 4 in addition, three coil windings correspondences of upper low-voltage coil 3 are on the upper semisection position that is associated in three wrapping posts, three coil windings correspondences of lower low-voltage coil 4 are on the lower semisection position that is associated in three wrapping posts, described high-tension coil 5 is comprised of three coil windings, three coil windings correspondences of high-tension coil 5 are around being associated on three wrapping posts, and are arranged in the periphery of described low-voltage coil; Described transformer 1 corresponding upper low-voltage coil 3 is provided with outlet copper bar 6, and upper outlet copper bar 6 is drawn from the upside of upper low-voltage coil 3; Described transformer 1 corresponding lower low-voltage coil 4 is provided with lower outlet copper bar 7, and lower outlet copper bar 7 is drawn from the downside of lower low-voltage coil 4.Described upper low-voltage coil 3 and lower low-voltage coil 4 adopt paper tinsel formula structure, improved the anti-short circuit capability of described transformer 1, layer and the interlayer of upper low-voltage coil 3 and lower low-voltage coil 4 are provided with DMD epoxy resin preimpregnation cloth, integrally curing is shaped respectively, 5 layers of described high-tension coils and interlayer arrange the insulation grid cloth and adopt poured with epoxy resin to be integrated, the both sides of described iron core 2 are provided with the folder 9 of secured core 2, place cushion block 8 between the upper and lower end face of described folder 9 and high-tension coil 5, further guaranteed stability and the insulating properties of transformer 1.
Adopt triangle (d) to connect between 3 three coil windings of described upper low-voltage coil, adopt star (y) to connect between three coil windings of described lower low-voltage coil 4, adopt triangle to connect (D) between three coil windings of described high-tension coil 5, the connection group of described transformer 1 is respectively Dd0, Dy11, when Three-Phase Transformer is inputted, low pressure six is exported mutually, outlet copper bar with the low-voltage coil of transformer 1 is connected with three-phase bridge rectifier again, can export the 12 pulsating wave DC power supply for load.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (2)
1. 12 pulsating wave epoxy resin pouring dry type rectifier transformer, comprise iron core (2), low-voltage coil and high-tension coil (5), it is characterized in that: described iron core (2) has three wrapping posts, described low-voltage coil is comprised of six coil windings, wherein, three coil windings are upper low-voltage coil (3), three coil windings are lower low-voltage coil (4) in addition, three coil windings correspondences of upper low-voltage coil (3) are on the upper semisection position that is associated in three wrapping posts, three coil windings correspondences of lower low-voltage coil (4) are on the lower semisection position that is associated in three wrapping posts, described high-tension coil (5) is comprised of three coil windings, three coil windings correspondences of high-tension coil (5) are around being associated on three wrapping posts, and are arranged in the periphery of described low-voltage coil; Described upper low-voltage coil (3) and lower low-voltage coil (4) are among both, adopt Y-connection between three coil windings of one, adopt triangle to connect between three coil windings of another one, adopt triangle to connect between three coil windings of described high-tension coil (5).
2. 12 pulsating wave epoxy resin pouring dry type rectifier transformer according to claim 1, it is characterized in that: low-voltage coil (3) is provided with outlet copper bar (6) on the described transformer correspondence, and upper outlet copper bar (6) is drawn from the upside of upper low-voltage coil (3); Low-voltage coil (4) is provided with lower outlet copper bar (7) under the described transformer correspondence, and lower outlet copper bar (7) is drawn from the downside of lower low-voltage coil (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549479 CN202871540U (en) | 2012-10-25 | 2012-10-25 | Twelve pulse epoxy resin pouring dry-type rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220549479 CN202871540U (en) | 2012-10-25 | 2012-10-25 | Twelve pulse epoxy resin pouring dry-type rectifier transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871540U true CN202871540U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220549479 Expired - Fee Related CN202871540U (en) | 2012-10-25 | 2012-10-25 | Twelve pulse epoxy resin pouring dry-type rectifier transformer |
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| Country | Link |
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| CN (1) | CN202871540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070491A (en) * | 2015-08-24 | 2015-11-18 | 宁波奥克斯高科技有限公司 | Double-splitting photovoltaic variable structure |
-
2012
- 2012-10-25 CN CN 201220549479 patent/CN202871540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070491A (en) * | 2015-08-24 | 2015-11-18 | 宁波奥克斯高科技有限公司 | Double-splitting photovoltaic variable structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20161025 |