CN205319007U - Self coupling on -load voltage -regulating transformer - Google Patents
Self coupling on -load voltage -regulating transformer Download PDFInfo
- Publication number
- CN205319007U CN205319007U CN201521111508.5U CN201521111508U CN205319007U CN 205319007 U CN205319007 U CN 205319007U CN 201521111508 U CN201521111508 U CN 201521111508U CN 205319007 U CN205319007 U CN 205319007U
- Authority
- CN
- China
- Prior art keywords
- winding
- coil
- nexine
- load voltage
- coupling
- 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
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a self coupling on -load voltage -regulating transformer, including high -pressure coil, public coil, low voltage coil and magnetic core, public coil one end be connected with the extension coil, high -pressure coil, public coil and low voltage coil all include: nexine winding and external -layer winding, isolation parts, isolation parts sets up between nexine winding and the external -layer winding, the support component, the support component sets up isolation parts with between the nexine winding, and/or between isolation parts and the external -layer winding, the passageway has between nexine winding and the external -layer winding, fluid medium, fluid medium fills in the passageway. The utility model has the advantages of heat dispersion is good, the application is wide.
Description
Technical field
The utility model relates to voltage transformer, particularly relates to the self-coupling on-load voltage-regulating transformer of a kind of heat dispersion excellence.
Background technology
Power transformer is one of major equipment of power station and electric substation. The effect of transformer is many-sided, can not only raise voltage and electric energy is delivered to electricity consumption area, moreover it is possible to voltage is reduced to use voltage at different levels, to meet the needs of electricity consumption.
Common power transformer major part is oil immersed type. Iron core and winding all soak and are filling with among the fuel tank of transformer oil, and the end points of each winding causes the outside of fuel tank by insulation thimble, so as with outer connection. Fig. 1 schematically illustrates the basic mechanism figure of power transformer of the prior art, and as shown in Figure 1, in oil-immersed power transformer, internal layer winding 21 and outer winding 11 are closely close, and the heat that winding produces is taken away by the peripheral transformer oil of whole winding. Such power transformer has many deficiencies, as:
1. normally used S11 type active-part on-load-tap-changing auto power transformer loss value is higher, and load loss simultaneously is relatively big, needs beading more.
2. heat dispersion is poor, and together, transformer oil is difficult to take away these heats fast the heat accumulation that winding produces, and the accidents such as transformer burns easily occurs, it is difficult to be applied in high-power transformer;
3. volume is big, it is necessary to make winding be immersed in transformer oil, in order to obtain better radiating effect, it is necessary to relatively large container could hold.
Practical novel content
The technical problem that the utility model solves is the above-mentioned defect overcoming prior art existence, it is provided that the self-coupling on-load voltage-regulating transformer that a kind of loss is low, heat dispersion is excellent, safe.
The purpose of this utility model is achieved through the following technical solutions:
A kind of self-coupling on-load voltage-regulating transformer, comprises high tension coil, public coil, low-tension coil and magnetic core, and described public coil one end is connected with extension coil;
Described high tension coil, public coil and low-tension coil include:
Nexine winding and outer winding;
Isolation parts, described isolation parts are arranged between described nexine winding and outer winding;
Support component, described support component is arranged between described isolation parts and described nexine winding, and/or between isolation parts and outer winding, has passage between described nexine winding and outer winding;
Fluid medium, described fluid medium fills in described passage.
According to above-mentioned self-coupling on-load voltage-regulating transformer, it may be preferred that the described extension coil number of turn accounts for the 18%～20% of high tension coil and the total number of turn of public coil.
According to above-mentioned self-coupling on-load voltage-regulating transformer, it may be preferred that described high tension coil is extracted out 7 taps.
According to above-mentioned self-coupling on-load voltage-regulating transformer, it may be preferred that described nexine winding and outer winding are oval tubular.
According to above-mentioned self-coupling on-load voltage-regulating transformer, it may be preferred that described isolation parts are that corrugated is wavy or step-like.
According to above-mentioned self-coupling on-load voltage-regulating transformer, it may be preferred that described isolation parts and/or support component adopt filamentary material.
According to above-mentioned self-coupling on-load voltage-regulating transformer, preferably, described nexine winding and/or outer winding are divided into radius-of-curvature larger portion to divide and smaller portions, and described support component is arranged on the described outer inner side of curvature smaller portions of winding and/or the outside of the curvature smaller portions of nexine winding.
According to above-mentioned self-coupling on-load voltage-regulating transformer, it may be preferred that described passage is in described nexine winding and/or the axis of outer winding.
Compared with prior art, the utility model has following useful effect:
1. unloaded loss reduces, and load loss reduces, and is only about the 20% of S11 transformer, and energy-saving effect is remarkable;
2. the beading of transformer greatly reduces, and has saved starting material;
3. good heat dissipation effect. Passage is set between nexine winding and outer winding so that fluid takes away the heat that winding produces fast, in time so that transformer safety is reliable, it is possible to be applied in high-power transformer;
4. volume is little, arranges passage between winding, although increasing the spacing between winding, but without the need to being immersed in relatively large container by winding, can reduce the volume of transformer.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present utility model will become to be more readily understood. Those skilled in the art it is easily understood that: these accompanying drawings are only for illustrating the technical solution of the utility model, and and are not intended to be construed as limiting by protection domain of the present utility model. In figure:
Fig. 1 is the basic block diagram of a kind of power transformer of the prior art;
Fig. 2 is the basic block diagram of the transformer of the utility model embodiment 1;
Fig. 3 is the vertical view of the transformer of the utility model embodiment 1;
Fig. 4 is the basic block diagram of the transformer of the utility model embodiment 2.
Embodiment
Fig. 2-4 and following description describe optional enforcement mode of the present utility model to instruct how those skilled in the art implement and reproduce the utility model. In order to instruct technical solutions of the utility model, simplify or eliminated some conventional aspects. Those skilled in the art should understand that the modification being derived from these enforcement modes or replace will in scope of the present utility model. Those skilled in the art should understand that following characteristics can combine in various mode to form multiple modification of the present utility model. Thus, the utility model is not limited to following optional enforcement mode, and only limits by claim and their jljl such as grade.
Embodiment 1:
Fig. 2 schematically illustrates the basic block diagram of the self-coupling on-load voltage-regulating transformer of the utility model embodiment, and as shown in Figure 2, described self-coupling on-load voltage-regulating transformer comprises:
High tension coil, public coil, low-tension coil and magnetic core, described public coil one end is connected with extension coil;
Described high tension coil, public coil and low-tension coil include:
Nexine winding 21 and outer winding 11, described nexine winding 21 and outer winding 11 are the state of the art, do not repeat them here. Preferably, described nexine winding and the oval tubular of outer winding shape, naturally it is also possible to be other shape, such as cylinder shape etc.
Isolation parts, Fig. 3 schematically illustrates isolation parts and the strut member basic block diagram of the utility model embodiment, and as shown in Figure 3, described isolation parts 31 are arranged between described nexine winding 21 and outer winding 11; Described isolation parts can adopt insulation (such as filamentary material) or non-insulating material, it is preferable to insulating material.
Support component 32, described support component 32 is arranged between described isolation parts 31 and described nexine winding 21, and/or between isolation parts 31 and outer winding 11, for supporting described isolation parts 31, so that there is passage 41 between described nexine winding 31 and outer winding 11. In order to form passage better, it may be preferred that described isolation parts are that corrugated is wavy or step-like or other shape; Described passage is in described nexine winding and/or the axis of outer winding.
Fluid medium, described fluid medium fills in described passage, thus takes away the heat that winding produces fast, in time. Can selection of land, described fluid medium adopt good heat conductivity transformer oil.
Embodiment 2:
The application examples of the transformer according to embodiment 1, in this application examples, as shown in Figure 4, described isolation parts 31 adopt paper material, have corrugated, and arrange strut member 32 at described bending part, and described strut member 32 also adopts paper material. The production method of described isolation parts is: smooth cardboard is by bending press, thus obtains the papery part of corrugated. Described nexine winding 21 and outer winding 11 are in oval tubular, it is divided into radius-of-curvature larger portion to divide and smaller portions, in radius-of-curvature smaller portions, the pressure that described isolation parts bear is bigger, therefore at support component 32 described in the described outer inner side of radius-of-curvature smaller portions of winding 11 and the arranged outside of the radius-of-curvature smaller portions of nexine winding 21, so that forming fluid channel 41 along the axis of described internal layer and outer winding, the oil being filled with in fluid channel 41 is utilized to remove a large amount of heats taking away winding generation better.
Embodiment 3:
The application examples of the transformer according to embodiment 1, in this application examples, described isolation parts adopt paper material, have wavy, and arrange strut member at described interior bending part, and described strut member also adopts paper material. Described nexine winding and outer winding are in oval tubular, it is divided into radius-of-curvature larger portion to divide and smaller portions, in radius-of-curvature smaller portions, the pressure that described isolation parts bear is bigger, therefore at support component described in the described outer inner side of radius-of-curvature smaller portions of winding and the arranged outside of the radius-of-curvature smaller portions of nexine winding, so that forming fluid channel along the axis of described internal layer and outer winding.
Above-described embodiment is only exemplarily give the isolation shape that parts adopt, and can also be other shape certainly, as step-like; Nexine winding and outer winding can also adopt other shapes such as cylinder shape; Isolation parts and support component can also adopt other material, such as insulating plastics.
Claims (7)
1. a self-coupling on-load voltage-regulating transformer, comprises high tension coil, public coil, low-tension coil and magnetic core, it is characterised in that: described public coil one end is connected with extension coil;
Described high tension coil, public coil and low-tension coil include:
Nexine winding and outer winding;
Isolation parts, described isolation parts are arranged between described nexine winding and outer winding;
Support component, described support component is arranged between described isolation parts and described nexine winding, and/or between isolation parts and outer winding, has passage between described nexine winding and outer winding;
Fluid medium, described fluid medium fills in described passage.
2. self-coupling on-load voltage-regulating transformer according to claim 1, it is characterised in that: the described extension coil number of turn accounts for the 18%～20% of high tension coil and the total number of turn of public coil.
3. self-coupling on-load voltage-regulating transformer according to claim 1, it is characterised in that: described high tension coil is extracted out 7 taps.
4. self-coupling on-load voltage-regulating transformer according to claim 1, it is characterised in that: described nexine winding and outer winding are oval tubular.
5. self-coupling on-load voltage-regulating transformer according to claim 1, it is characterised in that: described isolation parts are that corrugated is wavy or step-like.
6. self-coupling on-load voltage-regulating transformer according to claim 1, it is characterized in that: described nexine winding and/or outer winding are divided into radius-of-curvature larger portion to divide and smaller portions, described support component is arranged on the described outer inner side of radius-of-curvature smaller portions of winding and/or the outside of the radius-of-curvature smaller portions of nexine winding.
7. self-coupling on-load voltage-regulating transformer according to claim 1, it is characterised in that: described passage is in described nexine winding and/or the axis of outer winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521111508.5U CN205319007U (en) | 2015-12-27 | 2015-12-27 | Self coupling on -load voltage -regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521111508.5U CN205319007U (en) | 2015-12-27 | 2015-12-27 | Self coupling on -load voltage -regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205319007U true CN205319007U (en) | 2016-06-15 |
Family
ID=56199454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521111508.5U Active CN205319007U (en) | 2015-12-27 | 2015-12-27 | Self coupling on -load voltage -regulating transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205319007U (en) |
-
2015
- 2015-12-27 CN CN201521111508.5U patent/CN205319007U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202258680U (en) | Oil-immersed type three-dimensional rolled iron-core amorphous-alloy transformer | |
| CN103337348B (en) | A kind of transformer with split winding | |
| CN202678061U (en) | Photovoltaic wind electricity duplex winding split dry-type transformer | |
| CN205319007U (en) | Self coupling on -load voltage -regulating transformer | |
| CN204155732U (en) | A kind of iron-core reactor | |
| CN205318997U (en) | Pressure regulating distribution transformer that broad width is wireless | |
| CN204857392U (en) | Novel anti ware of high -power high frequency electric of five posts of three -phase | |
| CN107251173A (en) | A kind of photovoltaic power generation transformer | |
| CN204332675U (en) | Transformer coil apparatus for shaping | |
| CN102930963B (en) | Power transformer and manufacture method thereof | |
| CN203931773U (en) | Solar energy photovoltaic generating dry-type transformer | |
| CN202917310U (en) | Power transformer | |
| CN203733591U (en) | Novel low-pressure foil coil winding oil-immersed transformer | |
| CN204289071U (en) | A kind of ignition coil high pressure skeleton guiding device | |
| CN104616883A (en) | Transformer coil shaping device and method | |
| CN202495333U (en) | Outdoor type dry-type current transformer | |
| CN203300406U (en) | Three-dimensional coil iron core dry type transformer with wire being output from lateral side of high-voltage terminal | |
| CN203055637U (en) | Insulation structure of end portion of transformer coil | |
| CN204905013U (en) | Voltage transformer's wire winding structure | |
| CN201315229Y (en) | Oil immersed 3D triangle rolled iron core transformer | |
| CN205959738U (en) | Rectangular coil structure | |
| CN204496947U (en) | A kind of large oil immersed transformer paper using copper-clad composite conductor | |
| CN204857415U (en) | High overload capacity distribution transformer | |
| CN214624698U (en) | Low-voltage double-splitter body device of 330kV transformer | |
| CN101106013A (en) | Dry testing transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |