CN204632542U - high-voltage dry transformer - Google Patents
high-voltage dry transformer Download PDFInfo
- Publication number
- CN204632542U CN204632542U CN201520343995.1U CN201520343995U CN204632542U CN 204632542 U CN204632542 U CN 204632542U CN 201520343995 U CN201520343995 U CN 201520343995U CN 204632542 U CN204632542 U CN 204632542U
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- insulation
- pressure side
- dry transformer
- voltage dry
- windings
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Abstract
The utility model discloses that a kind of structure is simple, the high-voltage dry transformer of insulation and good heat dissipation effect, comprise three windings, be divided into high-pressure side and low-pressure side, three described windings comprise iron core and coil, and outlet adopts insulator, described coil adopt elementary in outside, the secondary conjunction in inside around mode, wherein primary and secondary close around between be provided with insulation main empty path, described main empty path adopts epoxy material.This novel in structural design, technique is simple, and is easy to realize, and does not adopt epoxy casting, convenient for maintaining, reaches the object of energy-conserving and environment-protective simultaneously; Its device volume is little is easy to lifting; And ensure that insulation distance, insulation effect and good heat dissipation effect.
Description
Technical field
The utility model belongs to field transformer, particularly relates to high-voltage dry transformer.
Background technology
At present, for dry-type power transformer, in voltage 6300V and above general employing epoxy casting mode, winding is all cast for one, although this mode reaches insulation effect, technics comparing is complicated, and radiating effect is bad, and extremely inconvenient when transformer needs maintenance, once in use go wrong, whole transformer can be caused to scrap.
Utility model content
In order to solve the problem, the utility model provides that a kind of structure is simple, the high-voltage dry transformer of insulation and good heat dissipation effect.
According to an aspect of the present utility model, a kind of high-voltage dry transformer is provided, comprise three windings, be divided into high-pressure side and low-pressure side, three described windings comprise iron core and coil, and outlet adopts insulator, described coil adopt elementary in outside, the secondary conjunction in inside around mode, wherein primary and secondary close around between be provided with insulation main empty path, described main empty path adopts epoxy material.Its beneficial effect is: this novel in structural design, and technique is simple, and is easy to realize, and does not adopt epoxy casting, convenient for maintaining, reaches the object of energy-conserving and environment-protective simultaneously; Its device volume is little is easy to lifting; And ensure that insulation distance, insulation effect and good heat dissipation effect.
In some embodiments, described high-pressure side adopts star-like connection method.Its beneficial effect is: the impact reducing Electric Network Higher Harmonic, is easy to process Insulation Problems.
In some embodiments, described low-pressure side adopts delta connection.Its beneficial effect is: can choose the winding wire that sectional area is little, reduce material cost.
In some embodiments, phase partition is equipped with between three described windings.Its beneficial effect is: ensure that the distance between winding, reaches insulation and radiating effect.
In some embodiments, described two ends unshakable in one's determination are provided with fixture.Its beneficial effect is: facilitate fixed iron core and integral.
In some embodiments, described coil is provided with cooling fan.Its beneficial effect is: when capacity is larger to ensure radiating effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic appearance of a winding in the utility model.
In figure: 1-insulator, 2-phase partition, 3-main empty path, 4-is unshakable in one's determination, 5-coil, 6-fixture.
Embodiment
Below in conjunction with attached Fig. 1 and 2, the utility model is further described.Attached Fig. 1 and 2 schematically shows the utility model high-voltage dry transformer, comprise three windings, be divided into high-pressure side and low-pressure side, three described windings comprise unshakable in one's determination 4 and coil 5, and outlet adopts insulator 1, described coil 5 adopt elementary in outside, the secondary conjunction in inside around mode, wherein primary and secondary close around between be provided with insulation main empty path 3, described main empty path 3 adopts epoxy material.
When designing, consider dry change environment for use, design temperature rise is very low, only has about 40K, ambient temperature 40 DEG C, and so the operating temperature of product only has 80 degree, more much lower than the allowable temperature of B-class insulation 130 DEG C, and therefore the class of insulation is that B level is enough.
Coil 5 structure adopt primary and secondary close around mode, namely elementary in outside, the secondary winding method in inside, secondary winding and 4 clearance requirement unshakable in one's determination less, coil 5 external diameter is less thereupon.Insulation between primary and secondary is wound around and main empty path 3 use and amplify air flue, ensure insulation and radiating effect.
In order to reduce the impact of Electric Network Higher Harmonic, be convenient to process Insulation Problems, described high-pressure side adopts star-like connection method.
In order to choose the little winding wire of sectional area, reduce material cost, described low-pressure side adopts delta connection.
In order to ensure the distance between winding, reaching insulation and radiating effect, between three described windings, being equipped with phase partition 2.
Conveniently fixed iron core 4 and integral, described 4 two ends unshakable in one's determination are provided with fixture 6.
In order to also ensure radiating effect when capacity is larger, described coil 5 is provided with cooling fan.
Above-described is only execution modes more of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from creation design of the present utility model; can also make other distortion and improve, these all belong to protection range of the present utility model.
Claims (6)
1. high-voltage dry transformer, comprise three windings, be divided into high-pressure side and low-pressure side, three described windings comprise iron core (4) and coil (5), and outlet adopts insulator (1), it is characterized in that, described coil (5) adopt elementary in outside, the secondary conjunction in inside around mode, wherein primary and secondary close around between be provided with insulation main empty path (3), described main empty path (3) adopt epoxy material.
2. high-voltage dry transformer as claimed in claim 1, it is characterized in that, described high-pressure side adopts star-like connection method.
3. high-voltage dry transformer as claimed in claim 1, is characterized in that, described low-pressure side adopts delta connection.
4. high-voltage dry transformer as claimed in claim 1, is characterized in that, be equipped with phase partition (2) between three described windings.
5. high-voltage dry transformer as claimed in claim 1, it is characterized in that, described iron core (4) two ends are provided with fixture (6).
6. high-voltage dry transformer as claimed in claim 1, it is characterized in that, described coil (5) is provided with cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520343995.1U CN204632542U (en) | 2015-05-26 | 2015-05-26 | high-voltage dry transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520343995.1U CN204632542U (en) | 2015-05-26 | 2015-05-26 | high-voltage dry transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632542U true CN204632542U (en) | 2015-09-09 |
Family
ID=54051544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520343995.1U Expired - Fee Related CN204632542U (en) | 2015-05-26 | 2015-05-26 | high-voltage dry transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204632542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374525A (en) * | 2015-11-24 | 2016-03-02 | 铜陵瑞博电子科技有限公司 | High voltage transformer |
-
2015
- 2015-05-26 CN CN201520343995.1U patent/CN204632542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374525A (en) * | 2015-11-24 | 2016-03-02 | 铜陵瑞博电子科技有限公司 | High voltage 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: 20150909 Termination date: 20160526 |