CN213459385U - Insulation system between 10kV oil-immersed transformer high-low voltage winding - Google Patents
Insulation system between 10kV oil-immersed transformer high-low voltage winding Download PDFInfo
- Publication number
- CN213459385U CN213459385U CN202022891773.7U CN202022891773U CN213459385U CN 213459385 U CN213459385 U CN 213459385U CN 202022891773 U CN202022891773 U CN 202022891773U CN 213459385 U CN213459385 U CN 213459385U
- Authority
- CN
- China
- Prior art keywords
- voltage winding
- oil
- low voltage
- immersed transformer
- cardboard
- 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
Images
Landscapes
- Insulating Of Coils (AREA)
Abstract
The utility model discloses an insulation system between 10kV oil-immersed transformer high-low voltage winding, including low voltage winding and high voltage winding, one side in opposite directions between the two of low voltage winding and high voltage winding all is equipped with adhesive tape, two between the adhesive tape one side in opposite directions all is equipped with the cardboard, two be equipped with stay, two between the cardboard form a curtain formula oil duct between the cardboard. The utility model has the advantages of it is following and effect: the novel design structure is simple, the insulation distance between the low-voltage winding and the high-voltage winding can be controlled to be 4-4.5mm, the creepage distance of the high-voltage end part and the low-voltage end part is increased through the arrangement of the intervals, the oil liquid circulation of the end part is more smooth, and the phenomenon that a local dead oil area appears due to the fact that the upper yoke and the lower yoke are shielded in an insulation mode at the end part is avoided.
Description
Technical Field
The utility model relates to a transformer technical field, in particular to insulation system between 10kV oil-immersed transformer high-low voltage winding.
Background
A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and is commonly used as a device for voltage elevation, impedance matching, safety isolation, and the like in electrical appliances and wireless circuits. The transformer mainly has the following functions: voltage transformation; current transformation, impedance transformation; isolating; voltage regulation (magnetic saturation transformers); an autotransformer; high-voltage transformers (dry and oil-immersed) and the like, wherein the shapes of iron cores commonly used by the transformers generally comprise E-type and C-type iron cores, XED type, ED type and CD type.
The internal windings of the oil-immersed transformer are mainly two windings, namely a low-voltage winding and a high-voltage winding, wherein the low-voltage winding and the high-voltage winding are located at adjacent positions and are separated by an insulating structure. The existing insulation structure has a complex structure, the insulation distance is larger and is generally about 7mm, and the manufacturing cost of the oil-immersed transformer is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a 10kV oil-immersed transformer insulation system between high-low voltage winding, this insulation system simple structure, insulating distance are short to reduce oil-immersed transformer's manufacturing cost.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an insulation system between 10kV oil-immersed transformer high-low voltage winding, includes low voltage winding and high voltage winding, the one side in opposite directions between low voltage winding and the high voltage winding both all is equipped with some adhesive tape, two between the point adhesive tape one side in opposite directions all is equipped with the cardboard, two be equipped with the stay between the cardboard, two form a curtain formula oil duct between the cardboard.
Further setting the following steps: the thickness of the point gum paper is 0.25 mm.
Further setting the following steps: the thickness of the paperboard is 0.5 mm.
Further setting the following steps: the two ends of the stay are lower than the outer periphery of the paperboard to form a space.
Further setting the following steps: the distance of the spacing is 5 mm.
Further setting the following steps: the width of the stay is 2.5-3 mm.
To sum up, the utility model discloses following beneficial effect has: the novel design structure is simple, the insulation distance between the low-voltage winding and the high-voltage winding can be controlled to be 4-4.5mm, the creepage distance of the high-voltage end part and the low-voltage end part is increased through the arrangement of the intervals, the oil liquid circulation of the end part is more smooth, and the phenomenon that a local dead oil area appears due to the fact that the upper yoke and the lower yoke are shielded in an insulation mode at the end part is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
In the figure: 1. a low voltage winding; 2. a high voltage winding; 3. dispensing adhesive paper; 4. a paperboard; 5. a stay; 6. a curtain oil passage; 7. and (4) spacing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, an insulation structure between high-low voltage windings of a 10kV oil-immersed transformer comprises a low-voltage winding 1 and a high-voltage winding 2, wherein one face of the low-voltage winding 1 and one face of the high-voltage winding 2 opposite to each other are respectively provided with a dispensing paper 3, one face of the two dispensing papers opposite to each other is provided with a paper board 4, a stay 5 is arranged between the two paper boards 4, and a curtain-type oil passage 6 is formed between the two paper boards 4.
The thickness of the glue dispensing paper 3 is 0.25mm, and the thickness of the paper board 4 is 0.5 mm. Both ends of the stay 5 are below the outer periphery of the cardboard 4 to form a distance 7, the distance 7 being 5 mm. The width of the stay 5 is 2.5-3 mm.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an insulation system between 10kV oil-immersed transformer high-low voltage winding, includes low voltage winding (1) and high voltage winding (2), its characterized in that: one side in opposite directions between low voltage winding (1) and high voltage winding (2) both all is equipped with some adhesive paper (3), two one side in opposite directions between some adhesive paper (3) all is equipped with cardboard (4), two be equipped with stay (5) between cardboard (4), two form a curtain formula oil duct (6) between cardboard (4).
2. The insulating structure between 10kV oil-immersed transformer high-low voltage windings according to claim 1, characterized in that: the thickness of the adhesive dispensing paper (3) is 0.25 mm.
3. The insulating structure between 10kV oil-immersed transformer high-low voltage windings according to claim 1, characterized in that: the thickness of the paperboard (4) is 0.5 mm.
4. The insulating structure between 10kV oil-immersed transformer high-low voltage windings according to claim 1, characterized in that: the two ends of the stay (5) are lower than the outer periphery of the paperboard (4) so as to form a space (7).
5. The insulating structure between 10kV oil-immersed transformer high-low voltage windings according to claim 4, characterized in that: the distance of the distance (7) is 5 mm.
6. The insulating structure between 10kV oil-immersed transformer high-low voltage windings according to claim 1, characterized in that: the width of the stay (5) is 2.5-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891773.7U CN213459385U (en) | 2020-12-02 | 2020-12-02 | Insulation system between 10kV oil-immersed transformer high-low voltage winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891773.7U CN213459385U (en) | 2020-12-02 | 2020-12-02 | Insulation system between 10kV oil-immersed transformer high-low voltage winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459385U true CN213459385U (en) | 2021-06-15 |
Family
ID=76304300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022891773.7U Active CN213459385U (en) | 2020-12-02 | 2020-12-02 | Insulation system between 10kV oil-immersed transformer high-low voltage winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459385U (en) |
-
2020
- 2020-12-02 CN CN202022891773.7U patent/CN213459385U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206421891U (en) | A kind of transformer and Switching Power Supply for facilitating Automated winding | |
| CN205428676U (en) | LLC resonance transformer | |
| CN208433274U (en) | Multisection type air gap transformator | |
| CN104616865A (en) | Transformer | |
| CN213459385U (en) | Insulation system between 10kV oil-immersed transformer high-low voltage winding | |
| CN205177580U (en) | Llc transformer | |
| CN111933433A (en) | Planar transformer | |
| CN202003816U (en) | Inverse transformer | |
| CN207993628U (en) | A kind of Switch Power Transformer | |
| CN116598101A (en) | Low-leakage high-frequency power inductor | |
| WO2021196681A1 (en) | Multi-winding slot, low-frequency transformer frame | |
| CN202816628U (en) | High-frequency insulation power transformer | |
| CN207752869U (en) | A kind of magnetic integrated transformer | |
| CN207852452U (en) | Switching mode power supply transformer | |
| CN206451584U (en) | A kind of secondary terminals arrangement of the dry-type rectifier transformer of frequency control | |
| CN108922759B (en) | High-voltage automatic reactive compensation amorphous alloy distribution transformer | |
| CN208335960U (en) | A kind of injection molding transformer | |
| CN215265866U (en) | Framework air gap transformer | |
| CN202034213U (en) | Auto-coupling and induction on-load voltage-regulating transformer | |
| CN219716636U (en) | Novel high-voltage transformer for microwave oven | |
| CN207009263U (en) | A kind of flat surface transformer of integrated current transformer | |
| CN204558209U (en) | A kind of amorphous alloy transformer coil | |
| CN219180323U (en) | Magnetic flux structure, inductor and switching power supply transformer capable of improving electromagnetic performance | |
| CN202134392U (en) | Current transformer | |
| CN214753327U (en) | Transformer with coil and iron core reverse structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |