CN204732270U - A kind of buried six phase 12 pulse wave rectifier transformers - Google Patents
A kind of buried six phase 12 pulse wave rectifier transformers Download PDFInfo
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- CN204732270U CN204732270U CN201520488267.XU CN201520488267U CN204732270U CN 204732270 U CN204732270 U CN 204732270U CN 201520488267 U CN201520488267 U CN 201520488267U CN 204732270 U CN204732270 U CN 204732270U
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Abstract
A kind of buried six phase 12 pulse wave rectifier transformers, to realize the optimization of preassembled transformer station and box-type substation power supply plan, reduce the floor space of transformer station to greatest extent, and constructability is installed and operation maintenance.The iron core comprising sealed type fuel tank and be immersed in insulating oil and winding.Described sealed type fuel tank is fixedly installed in xoncrete structure melt pit.Often be made up of 4 coils, high voltage side of transformer divides upper and lower two branch roads, connect in parallel, and two, valve side coil adopts y to connect separately and d connects and draws respectively.Winding high voltage side rated voltage is 10kV, and low-pressure side rated voltage is 0.59/0.59kV, capacity 1600kVA; High-pressure side, low voltage side cable line are all connected with the switchgear being positioned at preassembled transformer station or box-type substation by hermetically sealed plug-in type cable connecting terminal.
Description
Technical field
The utility model relates to the buried six phase 12 pulse wave rectifier transformers that a kind of city track traffic engineering uses.
Background technology
What overwhelming majority city track traffic engineering all adopted to the six phase 12 pulse wave rectifier transformers that Traction networks is powered at traction substation is the dry-type transformer of the cooling of indoor, natural air, poured with epoxy resin, transformer adopts folded iron core type structure, no-load loss is relatively large, requirement simultaneously for around running environment is higher, in the environment of humid environment, be easy to out current situation and put index destruction, cause the fault of equipment.Because the rectifier transformer caloric value of this indoor installation is relatively large, it is comparatively large to take up room, be not suitable for adopting in preassembled transformer station or box-type substation.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of buried six phase 12 pulse wave rectifier transformers, to realize the optimization of preassembled transformer station and box-type substation power supply plan, reduce the floor space of transformer station to greatest extent, and constructability is installed and operation maintenance.
The technical scheme that the utility model adopts is as follows:
The buried six phase 12 pulse wave rectifier transformers of one of the present utility model, comprise sealed type fuel tank and the iron core be immersed in insulating oil and winding, it is characterized in that: described sealed type fuel tank is fixedly installed in xoncrete structure melt pit; Often be made up of 4 coils, high voltage side of transformer divides upper and lower two branch roads, connect in parallel, and two, valve side coil adopts y to connect separately and d connects and draws respectively; Winding high voltage side rated voltage is 10kV, and low-pressure side rated voltage is 0.59/0.59kV, capacity 1600kVA; High-pressure side, low voltage side cable line are all connected with the switchgear being positioned at preassembled transformer station or box-type substation by hermetically sealed plug-in type cable connecting terminal.
The beneficial effects of the utility model are, sealed type fuel tank is directly installed in melt pit, can submerge and continue to run within a period of time; The floor space of transformer station can be reduced to greatest extent, to realize the optimization of preassembled transformer station and box-type substation power supply plan, the various operation demands of current city track traffic engineering especially modern tram engineering can be adapted to completely; Xoncrete structure melt pit adopts prefabricated concrete construction, and device context is installed simple, does not take ground space, can avoid to a certain extent suffering external world or theft; Employing oil immersed type, waterproof are hermetically sealed, the design of all insulation, full-shield, and the impact by external environment condition is little, and overall performance is good, can accomplish non-maintaining within useful life period; Compared with the rectifier transformer of traditional ground, noise significantly reduces, and also can prevent electromagnetic radiation, reduces the pollution to environment.
Accompanying drawing explanation
This specification comprises following three width accompanying drawings:
Fig. 1 is the structural representation of a kind of buried six phase 12 pulse wave rectifier transformers of the utility model;
Fig. 2 is the vertical view of a kind of buried six phase 12 pulse wave rectifier transformers of the utility model;
Fig. 3 is the three-dimensional view of a kind of buried six phase 12 pulse wave rectifier transformers of the utility model;
Component shown in figure and corresponding mark: xoncrete structure melt pit 10, sealed type fuel tank 11, iron core 12, pressure relief valve 13, hermetically sealed plug-in type cable connecting terminal 14, signal temperature meter base 15, preassembled transformer station or box-type substation 20, switchgear 21.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 1, the buried six phase 12 pulse wave rectifier transformers of one of the present utility model, comprise sealed type fuel tank 11 and the iron core 12 be immersed in insulating oil and winding.Described sealed type fuel tank 11 is fixedly installed in xoncrete structure melt pit 10.Often be made up of 4 coils, high voltage side of transformer divides upper and lower two branch roads, connect in parallel, and two, valve side coil adopts y to connect separately and d connects and draws respectively.Winding high voltage side rated voltage is 10kV, and low-pressure side rated voltage is 0.59/0.59kV, capacity 1600kVA.High-pressure side, low voltage side cable line are all connected with the switchgear 21 being positioned at preassembled transformer station or box-type substation 20 by hermetically sealed plug-in type cable connecting terminal 14.。The buried six phase 12 pulse wave rectifier transformers in two tablelands of same transformer station or adjacent substations can form equivalent 24 pulse wave rectifiers, to realize the optimization of preassembled transformer station and box-type substation power supply plan, reduce the floor space of transformer station to greatest extent, and constructability is installed and operation maintenance.
Described winding connection group Dd0, y11 (primary side phase shift+7.5 °), secondary side phase difference of voltage 30 °, impedance voltage unbalance factor≤1.5%, short-circuit impedance percentage 6% (valve side two winding dead-short-circuit), meet 100% rated load---continuously, 150% rated load---2 hours, 300% rated load---1 minute.
Described unshakable in one's determination 12 adopt 45 ° of full R-joining laminated structure iron cores or coiled core, are made up of high magnetic conduction, low-loss cold-reduced silicon sheet.
With reference to Fig. 2 and Fig. 3, sealed type fuel tank 11 has expansion character, high-pressure side, low voltage side cable line are all connected with the switchgear 21 being positioned at preassembled transformer station or box-type substation 20 by hermetically sealed plug-in type cable connecting terminal 14, to realize the hermetic function of waterproof, can submerge in a period of time and continue to run.Sealed type fuel tank 11 top arranges pressure relief valve 13 and signal temperature meter base 15.
The principle of a kind of buried six phase 12 pulse wave rectifier transformers of the above the utility model that just explains through diagrams, not the utility model will be confined in concrete structure shown in figure He described and the scope of application, therefore every corresponding modify of being likely utilized and equivalent, all belong to the scope of the claims that the utility model is applied for.
Claims (3)
1. buried six phase 12 pulse wave rectifier transformers, the iron core (12) comprising sealed type fuel tank (11) and be immersed in insulating oil and winding, is characterized in that: described sealed type fuel tank (11) is fixedly installed in xoncrete structure melt pit (10); Often be made up of 4 coils, high voltage side of transformer divides upper and lower two branch roads, connect in parallel, and two, valve side coil adopts y to connect separately and d connects and draws respectively; Winding high voltage side rated voltage is 10kV, and low-pressure side rated voltage is 0.59/0.59kV, capacity 1600kVA; High-pressure side, low voltage side cable line are all connected with the switchgear (21) being positioned at preassembled transformer station or box-type substation (20) by hermetically sealed plug-in type cable connecting terminal (14).
2. a kind of buried six phase 12 pulse wave rectifier transformers as claimed in claim 1, it is characterized in that: described winding connection group Dd0, y11, secondary side phase difference of voltage 30 °, impedance voltage unbalance factor≤1.5%, short-circuit impedance percentage 6%, meet 100% rated load---continuously, 150% rated load---2 hours, 300% rated load---1 minute.
3. a kind of buried six phase 12 pulse wave rectifier transformers as claimed in claim 1, is characterized in that: described iron core (12) adopts 45o full R-joining laminated structure iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488267.XU CN204732270U (en) | 2015-07-08 | 2015-07-08 | A kind of buried six phase 12 pulse wave rectifier transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488267.XU CN204732270U (en) | 2015-07-08 | 2015-07-08 | A kind of buried six phase 12 pulse wave rectifier transformers |
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| Publication Number | Publication Date |
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| CN204732270U true CN204732270U (en) | 2015-10-28 |
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| CN201520488267.XU Active CN204732270U (en) | 2015-07-08 | 2015-07-08 | A kind of buried six phase 12 pulse wave rectifier transformers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261458A (en) * | 2015-07-08 | 2016-01-20 | 四川艾德瑞电气有限公司 | Buried six-phase 12-pulse rectifier transformer |
| CN110700649A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of buried transformer substation |
-
2015
- 2015-07-08 CN CN201520488267.XU patent/CN204732270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261458A (en) * | 2015-07-08 | 2016-01-20 | 四川艾德瑞电气有限公司 | Buried six-phase 12-pulse rectifier transformer |
| CN110700649A (en) * | 2019-09-08 | 2020-01-17 | 宁波西沃工程科技有限公司 | Construction method of buried transformer substation |
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