CN201054299Y - An out line structure for high-voltage class transformer - Google Patents
An out line structure for high-voltage class transformer Download PDFInfo
- Publication number
- CN201054299Y CN201054299Y CNU2007200323145U CN200720032314U CN201054299Y CN 201054299 Y CN201054299 Y CN 201054299Y CN U2007200323145 U CNU2007200323145 U CN U2007200323145U CN 200720032314 U CN200720032314 U CN 200720032314U CN 201054299 Y CN201054299 Y CN 201054299Y
- Authority
- CN
- China
- Prior art keywords
- pressure winding
- high pressure
- transformer
- outlet
- outgoing line
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses an outgoing line structure at the end part of a high voltage level transformer arranged in a transverse division way, so as to solve the difficult problem of the structural design of the high voltage level transformer. The outgoing line structure comprises a core, a first low-voltage winding, a high-voltage winding and a second low-voltage winding. The utility model is characterized in that the three windings are arranged transversely in sequence, the high-voltage winding is an inner winding, and the outgoing line of the high-voltage winding is led out from the end part. The outgoing line structure of the utility model not only ensures the good insulation of the transformer, but also improves the anti-short circuit ability of the transformer, thereby reducing the overall dimension of the transformer, and the end part outgoing line is an effective measure for solving the difficult problem of the structural design of the high voltage level transformer.
Description
Technical field
The utility model relates to a kind of outlet structure of transformer.Be particularly related to a kind of outlet structure of voltage levels transformer.
Background technology
Along with the development of EHV transformer, for satisfying new transformer technology requirement, to enhance product performance, new structure type is also day by day abundant.To start spare transformer is example, and this type of transformer capacity is less, about 40000～80000kVA.This type of transformer generally adopts the version (as shown in Figure 2) of the division of low pressure axis of winding, the middle part outlet of high pressure winding, the axial split transformer lead is simple in structure, but the ampere-turn equilibrium of winding is bad, and anti-short circuit capability is relatively poor, can not adapt to the very complicated operating condition requirement of transformer.For the very high small capacity transformer of high pressure winding voltage, the high pressure umber of turn adopts the outlet meeting of high pressure middle part to make the ratio of high pressure winding turns insulation rise for a long time in addition, the space utilization rate variance, and size is big, the winding poor stability, anti-short circuit capability is poor.
Summary of the invention
Technical problem to be solved in the utility model provides the end outlet structure of a kind of low pressure winding width of cloth to the voltage levels transformer of division layout, improves the ability of product Short Circuit withstand, guarantees the reliability of properties of product.
For reaching above purpose, the utility model takes following technical scheme to be achieved:
A kind of outlet structure of voltage levels transformer, comprise iron core, high pressure winding, the first low pressure winding and the second low pressure winding, it is characterized in that, described three windings successively by the first low pressure winding, high pressure winding, the second low pressure winding along the width of cloth to arrangement, the high pressure winding is an interior loop, and the outlet of high pressure winding is drawn from its end.
In the such scheme, described high pressure winding overhang connects an outlet sleeve pipe by an outgoing line device, the outlet of high pressure winding is drawn from the outlet sleeve pipe by outgoing line device, this sleeve pipe is arranged in the seat that raises, this rising seat is arranged on the top of oil tank of transformer, and the seat lower end that raises extends to below the fuel tank cap.
Described outgoing line device can comprise a balance pipe, and its lower end is connected with the high pressure winding overhang, and its upper end is connected the outlet sleeve pipe with one voltage equalizing ball sports association is an one; Described balance pipe that combines as a whole and voltage equalizing ball external surface also can cover insulating barrier again; Described balance pipe can be S type bend pipe; Described rising seat lower end extends to fuel tank cap and the voltage equalizing ball body can be contained with the lower part.
The utility model has the advantages that:
1. because the low pressure winding adopts the width of cloth to be provided with to division, and the high pressure winding is interior winding, its outlet is the end outlet structure, overhang insulation level height.Its advantage is that the ampere-turn equilibrium of winding is good, high pressure winding space utilance height, and by the whole winding height voltage that withstands shocks, strong shock resistance, compact conformation, size is little.
2. the end outlet structure adopts the seat that will raise to be arranged on the top of oil tank of transformer, and extend to below the fuel tank cap, extension can contain the voltage equalizing ball body of outgoing line device, thereby improved the insulation property of outgoing line device, can rationally arrange the winding of transformer, the insulation of device body and 500kV end system of outlet insulation molding part.
3. near combine as a whole balance pipe and voltage equalizing ball body of the outgoing line device setting the structural members such as upper clamping piece of iron core can be avoided because of problems such as wedge angle generation office discharges.The balance pipe of outgoing line device, voltage equalizing ball external surface can cover insulating barrier again, thereby have further strengthened the insulation property of outlet structure.
Description of drawings
Fig. 1 is a high pressure of the present utility model end outlet structure schematic diagram.Wherein: 1, outlet sleeve pipe; 2, rising seat; 3, oil tank of transformer; 4, balance pipe; 5, iron core; 6, upper clamping piece unshakable in one's determination; 7. fuel tank cap; 8, voltage equalizing ball body; 9a, the first low pressure winding; 9b, the second low pressure winding; 10, high pressure winding.
Fig. 2 is the schematic diagram that two low pressure windings of existing middle part outlet structure adopt axial split to arrange.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1: with a kind of 63000kVA of applicant, the 500kV width of cloth is an example to transformer with split winding: this product capacity is little, the electric pressure height, its voltage is by high-pressure side 500kV low-pressure side 6.3kV (the low pressure winding 9a that lands vertically, 9b), because being power plant, this transformer starts spare transformer, the operating condition complexity, anti-short circuit capability is required high, in order to guarantee that transformer has stronger anti-short circuit capability, adopt the coil arrangement mode of " 5-low pressure winding 9a-high pressure winding 10-low pressure winding 9b unshakable in one's determination ", with two low pressure winding 9a, 9b adopts the width of cloth to arrange to division, high pressure winding 10 is an interior loop, adopt 500kV end outlet structure, promptly connect a high-voltage terminal device in the end of high pressure winding 10, lead-out wire causes through outgoing line device from high pressure winding 10 and is arranged on the seat 2 mesohigh sleeve pipes 1 that raise and is electrically connected with the outside.Outgoing line device comprises balance pipe 4, and its upper end is associated with voltage equalizing ball body 8, and the lower end connects the end of high pressure winding.The seat 2 that raises is arranged on the top of oil tank of transformer 3, and its lower end may extend to fuel tank cap and contains below 7 and with the voltage equalizing ball body in the outgoing line device 8.Because the 500kV end outlet electric pressure of this transformer inside is very high, outgoing line device is very near apart from upper clamping piece 6 unshakable in one's determination, in order to guarantee the insulating reliability of product, balance pipe 4 can be curved the S type, avoid upper clamping piece 6 unshakable in one's determination, and balance pipe 4 and voltage equalizing ball body 8 can be made into integrative-structure and cover insulating barrier again at its outer surface.
After high pressure winding of the present utility model adopts the end outlet structure, high pressure winding space utilance height, by the whole winding height voltage that withstands shocks, the ampere-turn of winding is balance relatively, strong shock resistance, compact conformation, size is little.。It has guaranteed that not only the insulation of product is good, and has improved the ability of product Short Circuit withstand, and properties of product are reliable.Therefore, the end outlet structure is a kind of effective measures that solve ultra high voltage, EHV transformer structural design difficult point.
Claims (6)
1. the outlet structure of a voltage levels transformer, comprise iron core, high pressure winding, the first low pressure winding and the second low pressure winding, it is characterized in that, described three windings successively by the first low pressure winding, high pressure winding, the second low pressure winding along the width of cloth to arrangement, the high pressure winding is an interior loop, and the outlet of high pressure winding is drawn from its end.
2. the outlet structure of voltage levels transformer according to claim 1, it is characterized in that, described high pressure winding overhang connects an outlet sleeve pipe by an outgoing line device, the outlet of high pressure winding is drawn from the outlet sleeve pipe by outgoing line device, this sleeve pipe is arranged in the seat that raises, this rising seat is arranged on the top of oil tank of transformer, and the seat lower end that raises extends to below the fuel tank cap.
3. the outlet structure of voltage levels transformer according to claim 2 is characterized in that, described outgoing line device comprises a balance pipe, and its lower end is connected with the high pressure winding overhang, and its upper end is connected the outlet sleeve pipe with one voltage equalizing ball sports association is an one.
4. the outlet structure of voltage levels transformer according to claim 3 is characterized in that, described balance pipe that combines as a whole and voltage equalizing ball external surface cover insulating barrier.
5. according to the outlet structure of claim 3 or 4 described voltage levels transformers, it is characterized in that described balance pipe is a S type bend pipe.
6. the outlet structure of voltage levels transformer according to claim 3 is characterized in that, described rising seat lower end extends to fuel tank cap and with the lower part voltage equalizing ball body contained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323145U CN201054299Y (en) | 2007-07-20 | 2007-07-20 | An out line structure for high-voltage class transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323145U CN201054299Y (en) | 2007-07-20 | 2007-07-20 | An out line structure for high-voltage class transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201054299Y true CN201054299Y (en) | 2008-04-30 |
Family
ID=39393960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200323145U Expired - Lifetime CN201054299Y (en) | 2007-07-20 | 2007-07-20 | An out line structure for high-voltage class transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201054299Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543390A (en) * | 2012-02-27 | 2012-07-04 | 中国西电电气股份有限公司 | AC (Alternating Current) 750kV end part outgoing line structure of ultrahigh-voltage converter transformer |
| CN106531421A (en) * | 2015-09-14 | 2017-03-22 | 特变电工沈阳变压器集团有限公司 | Converter transformer for 750kV accessed to network side |
| CN109712790A (en) * | 2017-10-25 | 2019-05-03 | 特变电工沈阳变压器集团有限公司 | A kind of converter power transformer valve outgoing line device |
| CN111091961A (en) * | 2019-12-30 | 2020-05-01 | 山东泰开变压器有限公司 | 500KV ultrahigh voltage transformer wire outlet device |
| CN112764038A (en) * | 2021-01-21 | 2021-05-07 | 国网河南省电力公司电力科学研究院 | Ultrasonic measurement method and device for position of transformer outgoing line device |
| CN113096924A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司广州供电局 | Power transformer suitable for cable-through type sleeve |
-
2007
- 2007-07-20 CN CNU2007200323145U patent/CN201054299Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543390A (en) * | 2012-02-27 | 2012-07-04 | 中国西电电气股份有限公司 | AC (Alternating Current) 750kV end part outgoing line structure of ultrahigh-voltage converter transformer |
| CN102543390B (en) * | 2012-02-27 | 2014-06-04 | 中国西电电气股份有限公司 | AC (Alternating Current) 750kV end part outgoing line structure of ultrahigh-voltage converter transformer |
| CN106531421A (en) * | 2015-09-14 | 2017-03-22 | 特变电工沈阳变压器集团有限公司 | Converter transformer for 750kV accessed to network side |
| CN106531421B (en) * | 2015-09-14 | 2018-05-11 | 特变电工沈阳变压器集团有限公司 | A kind of net side accesses 750kV converter power transformers |
| CN109712790A (en) * | 2017-10-25 | 2019-05-03 | 特变电工沈阳变压器集团有限公司 | A kind of converter power transformer valve outgoing line device |
| CN111091961A (en) * | 2019-12-30 | 2020-05-01 | 山东泰开变压器有限公司 | 500KV ultrahigh voltage transformer wire outlet device |
| CN112764038A (en) * | 2021-01-21 | 2021-05-07 | 国网河南省电力公司电力科学研究院 | Ultrasonic measurement method and device for position of transformer outgoing line device |
| CN112764038B (en) * | 2021-01-21 | 2024-04-02 | 国网河南省电力公司电力科学研究院 | Ultrasonic measuring method and device for transformer outlet device position |
| CN113096924A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司广州供电局 | Power transformer suitable for cable-through type sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201054299Y (en) | An out line structure for high-voltage class transformer | |
| CN102543397B (en) | Ultrahigh-voltage large-capacity split-winding type transformer | |
| CN1971778B (en) | Single-phase self-coupling on-load voltage-regulating transformer | |
| CN102543406B (en) | High-impedance combined-type transformer | |
| CN207743029U (en) | A kind of quadripartion photovoltaic energy storage transformer | |
| CN201508760U (en) | On-load tap changer of high voltage D connection | |
| CN202871501U (en) | Small capacity epoxy resin pouring dry-type transformer | |
| CN101572171A (en) | Coil structure of reactor | |
| CN216250320U (en) | On-load voltage regulation power transformer for 66kV transformer substation | |
| CN101192467A (en) | Amorphous alloy ground transformer body structure | |
| CN206711729U (en) | A kind of transformer for wind-powered electricity generation low voltage lead structure | |
| CN201741557U (en) | Transformer with novel outgoing mode | |
| CN109767899A (en) | A kind of double transformer with split winding outlet structures | |
| CN201413766Y (en) | 110kv power transformer with automatic reactive power compensation voltage regulating function | |
| CN201532843U (en) | Transformer with segmental structure | |
| CN208385180U (en) | A kind of transformer | |
| CN102420043A (en) | Single-phase high-impedance auto-transformer | |
| CN201149800Y (en) | Double body structure of reactor | |
| CN201213086Y (en) | Coil construction for reactor | |
| CN200972825Y (en) | Combined mutual inductor | |
| CN202564045U (en) | Outdoor dry-type high-tension electricity current transducer | |
| CN201465767U (en) | Epoxy-resin filled Scott dry-type transformer with shunting taps | |
| CN206471207U (en) | A kind of high resistance has the coil arrangement structure for carrying power transformer | |
| CN217485273U (en) | Bell-type switch structural arrangement of three single-phase on-load voltage-regulating transformers | |
| CN208352099U (en) | A kind of oil-immersed transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WEST CHINA ELECTRIC POWER CO. Free format text: FORMER OWNER: XI'AN ELECTRIC MANUFACTURING CORP. Effective date: 20080905 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080905 Address after: Shaanxi province Xi'an City West High Tang Hing Road No. 7, zip code: 710075 Patentee after: China XD Electronic Corporation Address before: Shaanxi province Xi'an Fengdeng road 29, zip code: 710077 Patentee before: Xi'an Electric Manufacturing Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080430 |