CN106816294B - A kind of double high pressures share the Multifunction transformer of a voltage regulation coil - Google Patents
A kind of double high pressures share the Multifunction transformer of a voltage regulation coil Download PDFInfo
- Publication number
- CN106816294B CN106816294B CN201510869199.6A CN201510869199A CN106816294B CN 106816294 B CN106816294 B CN 106816294B CN 201510869199 A CN201510869199 A CN 201510869199A CN 106816294 B CN106816294 B CN 106816294B
- Authority
- CN
- China
- Prior art keywords
- winding
- high pressure
- pressure
- transformer
- bushing
- 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.)
- Active
Links
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention relates to the Multifunction transformers that a kind of double high pressures share a voltage regulation coil, including high-voltage winding, low pressure winding, fuel tank, bushing, low-tension bushing and high pressure neutral bushing, also there is load ratio bridging switch and off circuit tap changer simultaneously, the two is located at the long axis centerline two sides of transformer；High-voltage winding is two, that is II winding of I winding of high pressure and high pressure, three-phase three-column core construction is set in fuel tank, low pressure winding, I winding of high pressure, II winding of high pressure and tap-changing windings are respectively installed on three-phase three-column iron core from inside to outside, I winding of high pressure is connected in series with II winding of high pressure by no field switch, high pressure I, II Winding tap are drawn in upper end by three shared bushings.The voltage of two kinds of range of regulation can be achieved in the present invention, can both meet the voltage output of two kinds of range of regulation, while meeting technical parameter, cost-effectiveness requirement, transport and the basic load-bearing of transformer.
Description
Technical field
The present invention relates to technical field of transformer manufacturing, specifically more function of the shared voltage regulation coil of a pair of high pressure
It can transformer.
Background technique
External transformer is mostly applied to the fields such as electric power increase-volume or spare transformer as the power transmission and transforming equipment of power industry
It closes, suffers from the limitation of technical parameter, manufacturing cost, transport and basic load-bearing etc..If met using conventional structure
Under conditions of original transformer technology parameter, it will lead to the increase of transformer manufacturing cost and weight, i.e., be not able to satisfy economy
The requirement of property, can not meet the requirement of transport and field basic load-bearing.Realize two kinds of different voltages of high pressure and range of regulation,
According to conventional structure, two sets of independent high-tension coils and voltage regulation coil are needed, needs to draw six bushings, structure is complicated,
It is at high cost.Therefore need to realize the change of voltage and range of regulation using special structure, while meet economy requirement,
The requirement of transport and field basic load-bearing.
Mesh the first two high-tension coil shares a voltage regulation coil, realizes that the transformer of two kinds of range of regulation voltages not yet appears in the newspapers
Road.
Summary of the invention
The deficiencies of cannot achieve two kinds of different voltages of high pressure and range of regulation for Multifunction transformer in the prior art it
Place, the technical problem to be solved in the present invention is to provide a kind of technical parameter for meeting transformer simultaneously, cost-effectiveness requirement, transport and
Basic load-bearing realizes that double high pressures of two kinds of range of regulation share the Multifunction transformer of a voltage regulation coil.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of double high pressures of the present invention share the Multifunction transformer of a voltage regulation coil, including high-voltage winding, low pressure winding,
Fuel tank, bushing, low-tension bushing and high pressure neutral bushing also while having load ratio bridging switch and opening without excitation tap
It closes, the two is located at the long axis centerline two sides of transformer；High-voltage winding is two, i.e. II winding of I winding of high pressure and high pressure, fuel tank
Interior setting three-phase three-column core construction is respectively installed with low pressure winding, I winding of high pressure, height on three-phase three-column iron core from inside to outside
II winding and tap-changing windings are pressed, I winding of high pressure is connected in series with II winding of high pressure by no field switch, high pressure I, II winding
Lift one's head in upper end, is drawn by three shared bushings.
The three-phase transformer closed magnetic circuit that the three-phase three-column iron core is made of three core limbs, four iron yokes, install,
Lower clamping piece and upper and lower folder web.
Bushing is drawn from high-voltage winding I, II end；High pressure neutral bushing is located at high-pressure side and taps close to no excitation
Switch, high pressure neutral bushing is drawn vertically directly to be connect with neutral point lead；Low-tension bushing is located at the low-pressure side of fuel tank, divides six
A casing is vertically drawn, and the lift one's head low-voltage lead of extraction of low-tension bushing and low pressure winding is connect.
Oil conservater is located at the other side opposite with switching above fuel tank, is parallel to transformer long axis direction and outside along long axis
Extend.
The high-pressure side of fuel tank is arranged in cooling device set of packets, bushing is directly drawn from fuel tank top.
High pressure neutral bushing is arranged in direction of the high-pressure side far from bushing.
There are six low pressure to increase seat for tool on fuel tank, and it is that dress formula structure is connected low-tension bushing which, which increases seat,.
I winding of high pressure is left around to II winding of high pressure is left around to two high-tension coils are connected by no field switch to be connected
It connects.
The invention has the following beneficial effects and advantage:
1. the present invention shares a voltage regulation coil by two high-tension coils, realizes the voltage of two kinds of range of regulation, both may be used
Meet the voltage output of two kinds of range of regulation, while the technical parameter, cost-effectiveness requirement, transport and the basis that meet transformer are held
Weight.
2. high-tension coil I of the present invention and high-tension coil II are connected in series by no field switch, two independences can not had to
Realize that two kinds of high tension voltages, a basic coil realize a kind of high pressure in the case where complete high-tension coil, two high-tension coils are logical
It crosses no field switch and another high tension voltage of realization is connected in series, that is, realize that two kinds of high tension voltages save a high-tension coil again,
The dosage of copper is saved, it is light-weight, meet live weight demands, good economy performance.
3. the present invention placed load ratio bridging switch in the long axis centerline two sides of transformer respectively and open without excitation tap
It closes, construction of switch connection and reasonable arrangement efficiently uses long shaft space, saves the dosage of transformer oil, meets live weight demands, economical
Property is good.
4. low-tension bushing of the present invention is located at the low-pressure side of fuel tank, point six casings are vertically drawn, and three are realized outside fuel tank
Angle connection can satisfy the requirement of live different connection sets.
5. research and development success of the invention, has biggish breakthrough, while meeting the skill of transformer in the design of transformer
Art parameter, cost-effectiveness requirement, transport and basic load-bearing, meet the requirement of user to greatest extent.
Detailed description of the invention
Fig. 1 is transformer main view of the present invention；
Fig. 2 is the lateral plan of transformer of the present invention；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is nameplate winding connection schematic diagram of the present invention；
Fig. 5 is winding connection schematic diagram of the present invention.
Wherein, 1 is transformer body；2 be bushing；3 be low-tension bushing；4 be high pressure neutral bushing；5 be oil storage
Cabinet；6 be fuel tank；7 be cooling device；8 be upper clamping piece；9 be lower clamping piece；10 be upper clamping piece web；11 be lower clamping piece web；12 are
Low pressure increases seat；13 be I winding of high pressure；14 high pressure, II winding；15 be load ratio bridging switch；16 be off circuit tap changer；17
Lift one's head for I top of high-voltage winding；18 lift one's head for II top of high-voltage winding.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figures 1 to 3, the Multifunction transformer of the shared voltage regulation coil of the double high pressures of the present invention, including high-voltage winding,
Low pressure winding, fuel tank 6, bushing 2, low-tension bushing 3 and high pressure neutral bushing 4 also while having load ratio bridging switch
15 and off circuit tap changer 16, the two be located at the long axis centerline two sides of transformer body 1；High-voltage winding is two, i.e., high
II winding 14 of I winding 13 and high pressure is pressed, three-phase three-column core construction is set in fuel tank 6, is divided from inside to outside on three-phase three-column iron core
It is not set with low pressure winding, I winding 13 of high pressure, II winding 14 of high pressure and tap-changing windings, I winding 13 of high pressure and II winding of high pressure
14 are connected in series by no field switch 16, and high pressure I, II Winding tap are drawn in upper end by three shared bushings 2
Out, 220kV and two kinds of voltage outputs of 150kV are realized.
In the present embodiment, I winding 13 (150kV) of high pressure is gone here and there with II winding of high pressure (70kV) by off circuit tap changer 16
Connection, I winding of high pressure are left around being left around to realizing 220kV and two kinds of high pressures of 150kV, and be respectively connected to adjust to, II winding of high pressure
Crimping circle, a basic coil realize realize after a kind of high pressure, two high-tension coils are connected in series by no field switch it is another
Kind high tension voltage, realizes two kinds of range of regulation.
In the present embodiment, bushing 2 is directly drawn from high-voltage winding end vertically；Oil conservater 5 be located above fuel tank with
The opposite other side of switch 16, is parallel to transformer long axis direction and extending shaft extends outwardly；Cooling device 7 is grouped centralized arrangement
It is parallel with 1 long axis direction of transformer body in the high-pressure side of fuel tank 6.Grouping centralized arrangement is divided into two groups, every group of six heat dissipations
Device, for two composition as listed in the high-pressure side of fuel tank 6, two groups of oil circuits are independent；Low-tension bushing 3 divides six extractions, and three are realized outside fuel tank
Angle connection.
Core construction uses three-phase three-column structure, and the closure of the three-phase transformer is made of three core limbs and four iron yokes
Magnetic circuit.Under the clamping, body lifting, compression and the short-circuit condition that guarantee lamination using iron-core draw-board, folder and feet simultaneously
Mechanical strength.The folder from top to bottom web 14,15 of iron core forms iron core frame.
It is cylindrical structure that low pressure, which increases seat 12, for assembling structure.
As shown in Figure 4,5, three-phase three-column iron core is set in fuel tank 6, be respectively installed on three-phase three-column iron core low pressure winding,
High-voltage winding I 13 (150kV), tap-changing windings, high-voltage winding II 14 (70kV)；High-voltage winding I 13 (150kV) and high-voltage winding II
(70kV) is connected by off circuit tap changer 16, realizes 220kV and two kinds of high pressures of 150kV, and be respectively connected to voltage regulation coil, real
Existing two kinds of range of regulation.
Claims (7)
1. a kind of double high pressures share the Multifunction transformer of a voltage regulation coil, including high-voltage winding, low pressure winding, fuel tank, height
Pressing sleeve pipe, low-tension bushing and high pressure neutral bushing, it is characterised in that: also while there is load ratio bridging switch and divide without excitation
Switch is connect, the two is located at the long axis centerline two sides of transformer；High-voltage winding is two, i.e. II winding of I winding of high pressure and high pressure,
Three-phase three-column core construction is set in fuel tank, be respectively installed with from inside to outside on three-phase three-column iron core low pressure winding, high pressure I around
Group, II winding of high pressure and tap-changing windings, I winding of high pressure are connected in series with II winding of high pressure by no field switch, high pressure I,
II Winding tap is drawn in upper end by three shared bushings；I winding of high pressure is left around to II winding of high pressure is a left side
Around to.
2. the Multifunction transformer that double high pressures according to claim 1 share a voltage regulation coil, it is characterised in that: described three
The three-phase transformer closed magnetic circuit that Xiang Sanzhu iron core is made of three core limbs, four iron yokes, install, lower clamping piece and it is upper,
Lower clamping piece web.
3. the Multifunction transformer that double high pressures according to claim 1 share a voltage regulation coil, it is characterised in that: high pressing sleeve
Pipe is drawn from the end after high pressure I, II windings in series；High pressure neutral bushing is located at high-pressure side close to off circuit tap changer,
High pressure neutral bushing is drawn vertically directly to be connect with neutral point lead；Low-tension bushing is located at the low-pressure side of fuel tank, point six sets
Pipe is vertical to draw, and the lift one's head low-voltage lead of extraction of low-tension bushing and low pressure winding is connect.
4. the Multifunction transformer that double high pressures according to claim 1 share a voltage regulation coil, it is characterised in that: oil conservater
The other side opposite with switching, is parallel to transformer long axis direction and extends outwardly along long axis above fuel tank.
5. the Multifunction transformer that double high pressures according to claim 1 share a voltage regulation coil, it is characterised in that: cooling dress
The high-pressure side that fuel tank is arranged in set of packets is set, bushing is directly drawn from fuel tank top.
6. the Multifunction transformer that double high pressures according to claim 1 share a voltage regulation coil, it is characterised in that: in high pressure
Property point casing is arranged in direction of the high-pressure side far from bushing.
7. the Multifunction transformer that double high pressures according to claim 1 share a voltage regulation coil, it is characterised in that: on fuel tank
There are six low pressure to increase seat for tool, and it is that dress formula structure is connected low-tension bushing which, which increases seat,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869199.6A CN106816294B (en) | 2015-11-30 | 2015-11-30 | A kind of double high pressures share the Multifunction transformer of a voltage regulation coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869199.6A CN106816294B (en) | 2015-11-30 | 2015-11-30 | A kind of double high pressures share the Multifunction transformer of a voltage regulation coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106816294A CN106816294A (en) | 2017-06-09 |
| CN106816294B true CN106816294B (en) | 2019-03-01 |
Family
ID=59107898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510869199.6A Active CN106816294B (en) | 2015-11-30 | 2015-11-30 | A kind of double high pressures share the Multifunction transformer of a voltage regulation coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106816294B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806957A (en) * | 2018-05-28 | 2018-11-13 | 保定天威保变电气股份有限公司 | A kind of novel extra-high voltage water cooling combined transformer and its transport assemble method |
| CN111816428A (en) * | 2020-06-19 | 2020-10-23 | 山东电力设备有限公司 | 220KV three-winding medium-voltage dual-voltage transformer lead structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972819Y (en) * | 2006-11-23 | 2007-11-07 | 西安西电变压器有限责任公司 | Extra-high voltage self auto-transformer |
| CN103337348A (en) * | 2013-06-28 | 2013-10-02 | 山东达驰电气有限公司 | Split winding type transformer |
| CN103500632A (en) * | 2013-09-29 | 2014-01-08 | 特变电工沈阳变压器集团有限公司 | 66kV burst short circuit transformer |
| CN103680883A (en) * | 2013-12-25 | 2014-03-26 | 保定天威保变电气股份有限公司 | 500kV-level split on-load voltage regulation power transformer |
| CN204289068U (en) * | 2014-12-15 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of on-load voltage regulation single-phase traction transformer |
-
2015
- 2015-11-30 CN CN201510869199.6A patent/CN106816294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972819Y (en) * | 2006-11-23 | 2007-11-07 | 西安西电变压器有限责任公司 | Extra-high voltage self auto-transformer |
| CN103337348A (en) * | 2013-06-28 | 2013-10-02 | 山东达驰电气有限公司 | Split winding type transformer |
| CN103500632A (en) * | 2013-09-29 | 2014-01-08 | 特变电工沈阳变压器集团有限公司 | 66kV burst short circuit transformer |
| CN103680883A (en) * | 2013-12-25 | 2014-03-26 | 保定天威保变电气股份有限公司 | 500kV-level split on-load voltage regulation power transformer |
| CN204289068U (en) * | 2014-12-15 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of on-load voltage regulation single-phase traction transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106816294A (en) | 2017-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101697312B (en) | Low-voltage dual-voltage on-load-tap-changing auto-transformer | |
| CN103050260A (en) | 330kV-level three-phase three-winding high-impedance power auto-transformer with function of on-load voltage regulation | |
| CN106816294B (en) | A kind of double high pressures share the Multifunction transformer of a voltage regulation coil | |
| CN208478113U (en) | A kind of Multifunction transformer of the double pressure regulation of double high pressures | |
| CN207319890U (en) | A kind of Vv Connection Traction Transformers of three column machine body structure of two-phase | |
| CN103606445A (en) | Method for effectively reducing current passing through on-load tap-changer of transformers | |
| CN103730240A (en) | Variable-flux voltage regulating auto transformer for maintaining constant low voltage | |
| CN102543398B (en) | Transformer for realizing voltage change through changeover of leads | |
| CN109326422A (en) | A kind of high-impedance transformer of middle pressure winding division arrangement | |
| CN101692398A (en) | high-voltage booster transformer | |
| CN206564172U (en) | Multipurpose three-phase transformer | |
| CN202034213U (en) | Auto-coupling and induction on-load voltage-regulating transformer | |
| CN202363228U (en) | 500kV-grade three-phase three-winding excitation-free pressure regulating high-impedance power transformer | |
| CN201616328U (en) | Dual-voltage power transformer | |
| CN203242482U (en) | 66 kilovolt grounding and station transformer | |
| CN201562573U (en) | Self-coupling low-voltage dual-voltage on-load voltage-regulating transformer | |
| CN212032863U (en) | 500kV single-phase on-load tap changing autotransformer with built-in compensation transformer | |
| CN214043387U (en) | Three-phase double-voltage combined type oil-immersed step-up transformer easy to migrate | |
| CN205177585U (en) | Duplex winding multiunit closes single phase transformer of transform | |
| CN211719403U (en) | +/-500 kV flexible direct current converter transformer with valve sleeve arranged outdoors | |
| CN212136227U (en) | Single-oil-tank extra-high voltage autotransformer suitable for extra-high voltage alternating current transformer substation | |
| CN202977146U (en) | Single-phase superhigh-voltage large-capacity off-circuit-regulation alternating current step-up transformer | |
| CN207367763U (en) | Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages | |
| CN106783109A (en) | A kind of Inverter Experimental transformer | |
| CN202034209U (en) | Three-phase oil-immersed type load tap changing distribution transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |