CN203799788U - Dry-type transformer - Google Patents
Dry-type transformer Download PDFInfo
- Publication number
- CN203799788U CN203799788U CN201420160284.6U CN201420160284U CN203799788U CN 203799788 U CN203799788 U CN 203799788U CN 201420160284 U CN201420160284 U CN 201420160284U CN 203799788 U CN203799788 U CN 203799788U
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- CN
- China
- Prior art keywords
- dry
- transformer
- cooling
- winding
- type transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000009423 ventilation Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000025518 detection of mechanical stimulus involved in sensory perception of wind Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Transformer Cooling (AREA)
Abstract
The utility model discloses a dry-type transformer comprising a transformer cabinet, winding bodies, a high tension cable mounting module, low tension cable mounting modules and insulated terminals. The winding bodies, the high tension cable mounting module, the low tension cable mounting modules and the insulated terminals are located in the transformer cabinet. Each winding body is composed of a core, a low tension winding arranged on the outer side of the core and a high tension winding arranged on the outer side of the low tension winding. Cooling cabinets are arranged on both sides of the transformer cabinet, an air-water cooler and a fan set located above the air-water cooler are mounted in each cooling cabinet, and cooling cable mounting modules are mounted in the transformer cabinet. When the transformer operates, the fan sets suck in hot air generated during operation of the winding bodies, and the hot air after being subjected to heat exchange with the air-water coolers is changed into cold air to be blown out of the transformer cabinet, so that closed circulation is formed. Therefore, the cooling cabinets on the two sides of the dry-type transformer can bring away heat, generated during operation of the transformer, quickly, uniformly and effectively.
Description
Technical field
The utility model belongs to power control technology field, is specifically related to a kind of two cooling system dry-type transformers of electric propulsion system peculiar to vessel.
Background technology
In dry-type transformer system, cooling device is as the heat dissipation equipment of dry-type transformer, and Main Function is the heat absorption producing in this body running of winding, and winding body temperature is controlled in prescribed limit.
Along with dry-type transformer is to development high-power, efficient, high reliability direction, people have also proposed strict requirement to the reliability of its cooling device, advance etc.
Traditional type of cooling is that air cooling equipment is installed in transformer bottom, or at the one-sided installation water cooling plant of transformer case, each winding that more this device cannot even cooling winding body interior, thus increased the energy consumption of cooling device.
Utility model content
The purpose of this utility model is to overcome the shortcoming that prior art exists, and provides a kind of safe and reliable, modularization, generalization, and compact overall structure, performance of ventilation and heat dispersion is good, installations is simple, be convenient to replacing, be easy to the dry-type transformer of maintenance.
The utility model solves the technical scheme that its technical problem adopts: a kind of dry-type transformer, the winding body, high voltage cable installation module, type low-voltage cable installation module and the insulated terminal that comprise transformer case and be positioned at transformer case, described winding body is comprised of iron core, the high pressure winding being located at the low pressure winding in iron core outside and being located at low pressure winding outside, described transformer case both sides are equipped with cooling cabinet, geomantic omen cooler and the ventilation unit that is positioned at cooler top, geomantic omen are installed in cooling cabinet, cooling cable installation module is installed in transformer case.
Described a kind of dry-type transformer, its geomantic omen cooler comprises cooling housing and air-out shutter, cooling housing upper and lower sides is respectively equipped with water-output flange and water-in flange.
Described a kind of dry-type transformer, its ventilation unit comprises blower fan and air feed shutter window, described air feed shutter window is provided with travel switch.
Described a kind of dry-type transformer, its ventilation unit internal welding has ventilation dividing plate.
Described a kind of dry-type transformer, its cooling cabinet is detachably arranged on the left and right sides of transformer case by sealing connecting strip.
Described a kind of dry-type transformer, its cooling cabinet bottom is provided with water leakage alarm device.
Described a kind of dry-type transformer, its winding body adopts the casting of vacuum pressure impregnation epoxy resin.
Described a kind of dry-type transformer, the double winding of its winding body is two splitted construction, former limit net lateral coil is epitaxy delta connection, axial arranging, parallel running, two groups of low pressure axis of winding divisions.
The beneficial effects of the utility model are: during transformer operation, the hot-air that ventilation unit produces while sucking this body running of winding, carries out changing into cold air after heat exchange with geomantic omen cooler, blows out transformer case, forms closed cycle.Therefore, the cooling cabinet of dry-type transformer both sides, the heat producing in the time of can fast, uniformly, effectively taking away transformer work.
The utility model compact overall structure, performance of ventilation and heat dispersion is good, installation is simple, be convenient to change, be easy to safeguard, winding body adopts the casting of vacuum pressure impregnation epoxy resin, and winding does not absorb moisture, is adapted to especially marine environment, there is leak alarm function, when cooling cabinet leaks, can report to the police.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is vertical view of the present utility model.
In figure, each token name is called: 1-cooling cabinet, 1.1-geomantic omen cooler, 1.11-water-in flange, 1.12-water-output flange, 1.13-air-out shutter, 1.2-ventilation unit, 1.21-blower fan, 1.22-air feed shutter window, 1.3-water leakage alarm device, 2-transformer case, 2.1-winding body, 2.11-high pressure winding, 2.12-low pressure winding, 2.2-cabinet, 2.3-high voltage cable installation module, 2.4-type low-voltage cable installation module, 2.5-insulated terminal, 2.6-cooling cable installation module.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1, shown in Fig. 2, the utility model discloses a kind of dry-type transformer, the winding body 2.1 that comprises transformer case 2 and be positioned at transformer case 2, high voltage cable installation module 2.3, type low-voltage cable installation module 2.4 and fixedly insulated terminal 2.5 for busbar, described winding body 2.1 is by iron core, the low pressure winding 2.12 of being located at iron core outside forms with the high pressure winding 2.11 of being located at low pressure winding 2.12 outsides, described transformer case 2 consists of three cabinets 2.2, three described winding bodies 2.1 lay respectively in cabinet 2.2, transformer case 2 both sides are equipped with cooling cabinet 1, geomantic omen cooler 1.1 and the ventilation unit 1.2 that is positioned at geomantic omen cooler 1.1 tops are installed in cooling cabinet 1, the cooling cable installation module 2.6 corresponding with geomantic omen cooler 1.1 and ventilation unit 1.2 is installed in transformer case 2, during transformer operation, the hot-air that ventilation unit 1.2 produces while sucking 2.1 work of winding body, carry out changing into cold air after heat exchange with geomantic omen cooler 1.1, then blow out transformer case 2 and form closed cycle, with this, carry out cooling transformer.
Described geomantic omen cooler 1.1 comprises cooling housing and air-out shutter 1.13, cooling housing upper and lower sides is respectively equipped with water-output flange 1.12 peculiar to vessel and water-in flange peculiar to vessel 1.11, by two flanges peculiar to vessel, connect water inlet pipe and water outlet pipe, can be connected to form water circulation with outside, described ventilation unit 1.2 comprises two low-noise fans 1.21 and two air feed shutter windows 1.22, after the hot-air coming out in transformer running is cooling by 1.22 inspirations of air feed shutter window, by air-out shutter 1.13, blown out, described air feed shutter window 1.22 is provided with travel switch, whether normal for detection of wind path, described ventilation unit 1.2 inside are welded with ventilation dividing plate, to form optimum ventilation circuit, make heat can enter into fast and effectively geomantic omen cooler 1.1 and carry out heat exchange, improve heat exchanger effectiveness, two described cooling cabinets 1 are independently detachably arranged on the left and right sides of transformer case 2 and are connected with cabinet 2.2 by sealing connecting strip, be used for inner each windings of cooling winding body 2.1 equably, and sealing connecting strip can also guarantee sealing effectiveness, to improve cooling effectiveness.
Described cooling cabinet 1 bottom is provided with water leakage alarm interface, on water leakage alarm interface, be connected with water leakage alarm device 1.3, its output contact can be selected often to open or be normally closed, if select, often opens, when cooling cabinet 1 leaks, normal battle is closed, and water leakage alarm device 1.3 is reported to the police.
Described winding body 2.1 windings adopt the casting of vacuum pressure impregnation epoxy resin, winding does not just absorb moisture like this, be adapted to especially marine environment, the double winding of winding body 2.1 is two splitted construction, former limit net lateral coil is epitaxy delta connection, axial arranging, parallel running, two groups of low pressure axis of winding divisions.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only; and the embodiment of part utilization; for the person of ordinary skill of the art; do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (7)
1. a dry-type transformer, the winding body (2.1) that comprises transformer case (2) and be positioned at transformer case (2), high voltage cable installation module (2.3), type low-voltage cable installation module (2.4) and insulated terminal (2.5), described winding body (2.1) is by iron core, be located at the low pressure winding (2.12) in iron core outside and be located at high pressure winding (2.11) composition in low pressure winding (2.12) outside, it is characterized in that: described transformer case (2) both sides are equipped with cooling cabinet (1), geomantic omen cooler (1.1) is installed in cooling cabinet (1) and is positioned at the ventilation unit (1.2) of geomantic omen cooler (1.1) top, cooling cable installation module (2.6) is installed in transformer case (2).
2. a kind of dry-type transformer according to claim 1, it is characterized in that, described geomantic omen cooler (1.1) comprises cooling housing and air-out shutter (1.13), and cooling housing upper and lower sides is respectively equipped with water-output flange (1.12) and water-in flange (1.11).
3. a kind of dry-type transformer according to claim 1, is characterized in that, described ventilation unit (1.2) comprises blower fan (1.21) and air feed shutter window (1.22), and described air feed shutter window (1.22) is provided with travel switch.
4. a kind of dry-type transformer according to claim 3, is characterized in that, described ventilation unit (1.2) inside is welded with ventilation dividing plate.
5. according to the arbitrary described a kind of dry-type transformer of claim 1 to 4, it is characterized in that, described cooling cabinet (1) is detachably arranged on the left and right sides of transformer case (2) by sealing connecting strip.
6. a kind of dry-type transformer according to claim 5, is characterized in that, described cooling cabinet (1) bottom is provided with water leakage alarm device (1.3).
7. a kind of dry-type transformer according to claim 6, is characterized in that, described winding body (2.1) adopts the casting of vacuum pressure impregnation epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160284.6U CN203799788U (en) | 2014-04-03 | 2014-04-03 | Dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420160284.6U CN203799788U (en) | 2014-04-03 | 2014-04-03 | Dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799788U true CN203799788U (en) | 2014-08-27 |
Family
ID=51381983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420160284.6U Expired - Fee Related CN203799788U (en) | 2014-04-03 | 2014-04-03 | Dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799788U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409193A (en) * | 2014-12-18 | 2015-03-11 | 镇江船舶电器有限责任公司 | Air-cooled and water-cooled transformer for ship |
| CN106098264A (en) * | 2016-08-08 | 2016-11-09 | 国网湖南省电力公司 | A kind of 10kV Multifunctional disaster prevention evil insulator and preparation method |
| CN106409476A (en) * | 2016-10-13 | 2017-02-15 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | Dry-type rectifier transformer air-water cooling system |
| US20220148786A1 (en) * | 2019-03-11 | 2022-05-12 | Abb Power Grids Switzerland Ag | Arrangement to cool a coil |
-
2014
- 2014-04-03 CN CN201420160284.6U patent/CN203799788U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409193A (en) * | 2014-12-18 | 2015-03-11 | 镇江船舶电器有限责任公司 | Air-cooled and water-cooled transformer for ship |
| CN106098264A (en) * | 2016-08-08 | 2016-11-09 | 国网湖南省电力公司 | A kind of 10kV Multifunctional disaster prevention evil insulator and preparation method |
| CN106409476A (en) * | 2016-10-13 | 2017-02-15 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | Dry-type rectifier transformer air-water cooling system |
| US20220148786A1 (en) * | 2019-03-11 | 2022-05-12 | Abb Power Grids Switzerland Ag | Arrangement to cool a coil |
| US12211635B2 (en) * | 2019-03-11 | 2025-01-28 | Hitachi Energy Ltd | Arrangement to cool a coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180402 Address after: 266500 room 2-801, No. 10, Changjiang East Road, Qingdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: Qingdao Haixi Electric Co., Ltd. Address before: 430064 Hubei City, Hongshan District, lion street, steam school, a village Patentee before: No.712 Inst., China Ship Heavy Industry Group Co. |
|
| 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: 20140827 Termination date: 20210403 |