CN204464027U - A kind of automatic loaded voltage regulation transformer - Google Patents
A kind of automatic loaded voltage regulation transformer Download PDFInfo
- Publication number
- CN204464027U CN204464027U CN201520172764.9U CN201520172764U CN204464027U CN 204464027 U CN204464027 U CN 204464027U CN 201520172764 U CN201520172764 U CN 201520172764U CN 204464027 U CN204464027 U CN 204464027U
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- iron core
- voltage regulation
- transformer
- coil
- automatic loaded
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Abstract
The utility model discloses a kind of automatic loaded voltage regulation transformer, it comprises the low-voltage coil of iron core, on high-tension side high-tension coil and low-pressure side.This high-tension coil is the advantages such as interlayer ladder enters insulation system, and possess and can reduce voltage between layers, activity coefficient is high, and impact property is good.And this low-voltage coil is the structure of stranded conductor by spiral coiling, possesses low pressure end and even up the very good enhancing Short Circuit withstand power of structure ampere-turn equilibrium, the little low cost and other advantages of coil dimension.This high-tension coil all adopts round line to be connected with the lead-in wire of this low-voltage coil.The close Bo of this iron core employing magnetic is the high conducting magnet core of 14.5-15.5 kilogauss, and adopts 45 ° of full bias seams, and this iron core brush is covered with curing agent, and the cross section of this iron core is " D " type.Iron core brush curing agent is without the need to side band, and core section adopts " D " type to reduce iron core angle weight, reduces the advantages such as no-load loss and iron core total weight reduce costs.
Description
Technical field
The utility model relates to a kind of transformer, particularly relates to a kind of automatic loaded voltage regulation transformer.
Background technology
Automatic loaded voltage regulation transformer is ensure that the task of quality of voltage supply transformer is that primary side is directly received principal voltage net or received district power system directly to load center supply electric power.This kind of transformer not only provides active power to load, also often provides reactive power simultaneously, and general short-circuit impedance is bigger than normal.Along with regional load change, if do not configure on-load tap-changing transformer, power supply buses voltage will change thereupon.
Therefore, China's " power system technology directive/guide (trying) " defines " to 110kV and following transformer, should consider that the transformer having voltage order one at least adopts bringing onto load voltage regulating mode ".Therefore, to the on-load tap-changing transformer of powering directly to the center of supply, under the prerequisite realizing reactive power subregion in-situ balancing, along with regional load increase and decrease, coordinate the switching of reactive-load compensation equipment shunt capacitor and low tension reactor, adjustment tap, to ensure the supply power voltage quality to user at any time.
Utility model content
Based on above-mentioned defect, the utility model provides a kind of and is ensureing under the prerequisite to the supply power voltage quality of user, the automatic loaded voltage regulation transformer can reduce no-load loss, reducing costs.
Solution of the present utility model is: a kind of automatic loaded voltage regulation transformer, and it comprises the low-voltage coil of iron core, on high-tension side high-tension coil and low-pressure side; This high-tension coil is that interlayer ladder enters insulation system, and this low-voltage coil is the structure of stranded conductor by spiral coiling; This high-tension coil all adopts round line to be connected with the lead-in wire of this low-voltage coil; The close Bo of this iron core employing magnetic is the high conducting magnet core of 14.5-15.5 kilogauss, and adopts 45 ° of full bias seams, and this iron core brush is covered with curing agent, and the cross section of this iron core is " D " type.
High-tension coil adopts layered structure to possess and can reduce voltage between layers, the advantages such as activity coefficient is high, and impact property is good; Low-voltage coil is that stranded conductor possesses low pressure end by sped structure coiling and evens up the very good enhancing Short Circuit withstand power of structure ampere-turn equilibrium, the little low cost and other advantages of coil dimension.Iron core brush curing agent is without the need to side band, and core section adopts " D " type to reduce iron core angle weight, reduces the advantages such as no-load loss and iron core total weight reduce costs.
As the further improvement of such scheme, this interlayer ladder enters insulation system and adopts ladder to enter layer insulation packing paper.
Traditional structure is the packing paper that insulate between hierarchical layer, it is our company's research and development that ladder enters layer insulation packing paper, traditional structure and interlayer ladder enter insulation system and have identical packing paper number, and the same winding size, but electric field strength only has traditional 9/14 between winding layers of the present utility model, improve the insulation withstand strength of transformer, improve transformer anti overvoltage, the ability of anti-harmonic wave.
As the further improvement of such scheme, this automatic loaded voltage regulation transformer also comprises transformer body, fuel tank; This transformer body and this fuel tank are closely cooperated by a fixture.Preferably, this fuel tank is corrugated tank.
The utility model is by fixture, and this transformer body and this fuel tank realize closely cooperating.Fixture can be screw, bolt etc.
As the further improvement of such scheme, this automatic loaded voltage regulation transformer also comprises at least one on load tap changer, and this on load tap changer is provided with some points of wiring, uses bolted between this point of wiring and this on load tap changer by Cold welding.Preferably, between this point of wiring and this on load tap changer, self-locking anti-loosing mechanism is also set.
Transformer can bear the vibrations of long-distance transport and jolt, and is sent to user without the need to pendant-core examination.
As the further improvement of such scheme, this self-locking anti-loosing mechanism to be relative thickness be thin thick double nuts structure.
Preferably, this on load tap changer is the compound resistance-type transition structure of flush type.
The compound resistance-type transition structure of flush type, on load tap changer is united two into one the function of tap changer selector and switching diverter switch, switch core body is designed to interal inserting type structure with electric structure, be contained in the independent grease chamber with transformer isolation, have that structure is simple, long service life and the advantage such as convenient for installation and maintenance.
As the further improvement of such scheme, this automatic loaded voltage regulation transformer also comprises the casing of collecting this iron core, this high-tension coil and this low-voltage coil, arranges some high-voltage tap lines between the case lid of this casing and this iron core.This automatic loaded voltage regulation transformer has good antiseptic power, effectively can prevent dust storm and the coastal etch along mist.Space can be reduced like this reduce costs.
As the further improvement of such scheme, this automatic loaded voltage regulation transformer is encapsulated by vacuum oil mode.
This automatic loaded voltage regulation transformer completely eliminated the moisture in transformer, during operation transformer oil not with atmosphere, effectively prevent transformer oil deterioration.
Accompanying drawing explanation
Fig. 1 is the structural representation of additional fractionation layer insulation packing paper.
Fig. 2 is the structural representation of automatic loaded voltage regulation transformer in the utility model embodiment one.
Fig. 3 is the structural representation that the ladder of the high-tension coil of automatic loaded voltage regulation transformer in the utility model embodiment one enters layer insulation packing paper.
Fig. 4 is the schematic diagram of the winding method of the low-voltage coil of automatic loaded voltage regulation transformer in the utility model embodiment one.
Fig. 5 is the structural representation of automatic loaded voltage regulation transformer in the utility model embodiment two.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 2, the automatic loaded voltage regulation transformer of the present embodiment one comprises the low-voltage coil of iron core, on high-tension side high-tension coil and low-pressure side, transformer body, fuel tank 2, at least one on load tap changer 4, casing 1.This on load tap changer 4 is provided with some points of wiring, is also furnished with insulator 3.
This high-tension coil is that interlayer ladder enters insulation system, and as shown in Figure 3, high-tension coil adopts layered structure to possess and can reduce voltage between layers, the advantages such as activity coefficient is high, and impact property is good.And this low-voltage coil is the structure of stranded conductor 9 by spiral coiling, as shown in Figure 4, possess low pressure end and even up the very good enhancing Short Circuit withstand power of structure ampere-turn equilibrium, the little low cost and other advantages of coil dimension.
This interlayer ladder enters insulation system and adopts ladder to enter layer insulation packing paper.Traditional structure is the packing paper that insulate between hierarchical layer, and as shown in Figure 1, winding wire layer 10 and interlayer packing paper 11 are classification layer insulation.It is our company's research and development that ladder enters layer insulation packing paper, and winding wire layer 10 and interlayer packing paper 11 ladder enter layer insulation packing paper.Traditional structure and interlayer ladder enter insulation system and have identical packing paper number, and the same winding size, but between winding layers of the present utility model, electric field strength only has traditional 9/14, improves the insulation withstand strength of transformer, improve transformer anti overvoltage, the ability of anti-harmonic wave.
This high-tension coil all adopts round line to be connected with the lead-in wire of this low-voltage coil, and this lead-in wire can be hard circular copper wire.Lead-in wire is selected hard circular copper wire to gain in strength to improve Short Circuit withstand power.
The close Bo of this iron core employing magnetic is the high conducting magnet core of 14.5-15.5 kilogauss, and adopts 45 ° of full bias seams, and this iron core brush is covered with curing agent, and the cross section of this iron core is " D " type.Iron core brush curing agent is without the need to side band, and core section adopts " D " type to reduce iron core angle weight, reduces the advantages such as no-load loss and iron core total weight reduce costs.
Transformer body coordinates closely with fuel tank, and has fixture.The utility model is by fixture, and this transformer body and this fuel tank 2 realize closely cooperating.Fixture can be screw, bolt etc.High-low voltage leads all adopts round line to connect, divide between wiring and on load tap changer and also use bolted by Cold welding, all connections all adopt bolted and carry self-locking anti-loosing measure, and transformer can bear the vibrations of long-distance transport and jolt, and are sent to user without the need to pendant-core examination.
On load tap changer 4 is automatic Regulation loaded switch, this on load tap changer 4 is the compound resistance-type transition structure of flush type, the function of tap changer selector and switching diverter switch is united two into one, switch core body is designed to interal inserting type structure with electric structure, be contained in the independent grease chamber with transformer isolation, have that structure is simple, long service life and the advantage such as convenient for installation and maintenance.
Fuel tank 2 can adopt corrugated tank, embodiment two as shown in Figure 5, and carbon-dioxide arc welding connects technique, preferred encapsulant, and structure strictly presses seal standard leak test, corrugated plate adopt import equipment make, attractive in appearance, practical.
The close Bo of this iron core employing magnetic is the high conducting magnet core of 14.5-15.5 kilogauss, and adopts 45 ° of full bias seams, and this iron core brush is covered with curing agent, and the cross section of this iron core is " D " type.Iron core brush curing agent is without the need to side band, and core section adopts " D " type to reduce iron core angle weight, reduces the advantages such as no-load loss and iron core total weight reduce costs.
Casing 1 accommodates this iron core, this high-tension coil and this low-voltage coil, the PROCESS FOR TREATMENT of employing, the good antiseptic power of tool, effectively can prevent dust storm and the coastal etch along mist.Arrange some high-voltage tap lines between the case lid of this casing 1 and this iron core, can reduce space like this and reduce costs, lead-in wire is selected hard circular copper wire to gain in strength to improve Short Circuit withstand power.
Transformer adopts vacuum oil technique when encapsulating, and completely eliminated the moisture in transformer, during operation transformer oil not with atmosphere, effectively prevent transformer oil deterioration.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. an automatic loaded voltage regulation transformer, it comprises the low-voltage coil of iron core, on high-tension side high-tension coil and low-pressure side; It is characterized in that: this high-tension coil is that interlayer ladder enters insulation system, and this low-voltage coil is the structure of stranded conductor by spiral coiling; This high-tension coil all adopts round line to be connected with the lead-in wire of this low-voltage coil; The close Bo of this iron core employing magnetic is the high conducting magnet core of 14.5-15.5 kilogauss, and adopts 45 ° of full bias seams, and this iron core brush is covered with curing agent, and the cross section of this iron core is " D " type.
2. automatic loaded voltage regulation transformer as claimed in claim 1, is characterized in that: this interlayer ladder enters insulation system and adopts ladder to enter layer insulation packing paper.
3. automatic loaded voltage regulation transformer as claimed in claim 1, is characterized in that: this automatic loaded voltage regulation transformer also comprises transformer body, fuel tank; This transformer body and this fuel tank are closely cooperated by a fixture.
4. automatic loaded voltage regulation transformer as claimed in claim 3, is characterized in that: this fuel tank is corrugated tank.
5. automatic loaded voltage regulation transformer as claimed in claim 1, it is characterized in that: this automatic loaded voltage regulation transformer also comprises at least one on load tap changer, this on load tap changer is provided with some points of wiring, uses bolted between this point of wiring and this on load tap changer by Cold welding.
6. automatic loaded voltage regulation transformer as claimed in claim 5, is characterized in that: also arrange self-locking anti-loosing mechanism between this point of wiring and this on load tap changer.
7. automatic loaded voltage regulation transformer as claimed in claim 6, is characterized in that: this self-locking anti-loosing mechanism to be relative thickness be thin thick double nuts structure.
8. automatic loaded voltage regulation transformer as claimed in claim 5, is characterized in that: this on load tap changer is the compound resistance-type transition structure of flush type.
9. automatic loaded voltage regulation transformer as claimed in claim 1, it is characterized in that: this automatic loaded voltage regulation transformer also comprises the casing of collecting this iron core, this high-tension coil and this low-voltage coil, arranges some high-voltage tap lines between the case lid of this casing and this iron core.
10. automatic loaded voltage regulation transformer as claimed in claim 1, is characterized in that: this automatic loaded voltage regulation transformer is encapsulated by vacuum oil mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172764.9U CN204464027U (en) | 2015-03-25 | 2015-03-25 | A kind of automatic loaded voltage regulation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172764.9U CN204464027U (en) | 2015-03-25 | 2015-03-25 | A kind of automatic loaded voltage regulation transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464027U true CN204464027U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172764.9U Expired - Fee Related CN204464027U (en) | 2015-03-25 | 2015-03-25 | A kind of automatic loaded voltage regulation transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700999A (en) * | 2015-03-25 | 2015-06-10 | 国能子金电器(苏州)有限公司 | Automatic onload tap changing transformer |
| CN113572174A (en) * | 2021-09-13 | 2021-10-29 | 国网浙江省电力有限公司湖州供电公司 | Distribution network power supply quality regulation and control device and automatic voltage regulation method thereof |
-
2015
- 2015-03-25 CN CN201520172764.9U patent/CN204464027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700999A (en) * | 2015-03-25 | 2015-06-10 | 国能子金电器(苏州)有限公司 | Automatic onload tap changing transformer |
| CN113572174A (en) * | 2021-09-13 | 2021-10-29 | 国网浙江省电力有限公司湖州供电公司 | Distribution network power supply quality regulation and control device and automatic voltage regulation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215164 No. 98 auspicious Road, Xu Jiang Industrial Park, Xu Town, Suzhou, Jiangsu, Wuzhong District Patentee after: Suzhou Dongyuan Electrical Appliance Co., Ltd. Address before: 215164 No. 98 auspicious Road, Xu Jiang Industrial Park, Xu Town, Suzhou, Jiangsu, Wuzhong District Patentee before: States to Gold Electric (Suzhou) Co., Ltd. |
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| 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: 20150708 Termination date: 20200325 |