CN201160029Y - Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers - Google Patents
Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers Download PDFInfo
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- CN201160029Y CN201160029Y CNU2007200762180U CN200720076218U CN201160029Y CN 201160029 Y CN201160029 Y CN 201160029Y CN U2007200762180 U CNU2007200762180 U CN U2007200762180U CN 200720076218 U CN200720076218 U CN 200720076218U CN 201160029 Y CN201160029 Y CN 201160029Y
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Abstract
The utility model relates to a curing low-voltage winding of an oil-immersed transformer contained with a reinforcing layer between winding layers, which belongs to the technical field of the transformer and the low-voltage winding thereof. The curing low-voltage winding comprises a low-voltage winding and epoxy resin, an interlaminar reinforcing layer is lined between the adjacent winding layers of the low-voltage winding, the epoxy resin is respectively filled on the outer surface of the low-voltage winding, in the gap between the coils of the low-voltage winding, in the gaps between the winding lay of the low-voltage winding and the interlaminar reinforcing layer and in the gaps between the winding layers of the low-voltage winding, and the low-voltage winding, the interlaminar reinforcing layer and the epoxy resin are combined into a whole through the curing the epoxy resin. The curing low-voltage winding can also include an inner reinforcing layer and an outer reinforcing layer, and both the inner reinforcing layer and the outer reinforcing layer are formed by overlapping insulating film glass silk screens or no-woven fiberglass cloth and respectively positioned under the bottom winding layer and on the top winding layer of the low-voltage winding. The curing low-voltage winding has the advantages of high mechanical strength, low manufacturing cost of the transformer and high utilization rate of the iron core window.
Description
Technical field
The utility model relates to a kind of curing winding that contains around the oil-filled transformer of interlayer reinforced layer, definitely says, relates to a kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, belongs to the technical field of transformer and winding thereof.
Background technology
After the low pressure winding technique of traditional oil-filled transformer, generally be not cured, mechanical strength is relatively poor.When the outlet short circuit took place described low pressure winding, the electric current that the low pressure winding flows through approached ten times of rated current.Because described low pressure winding is in the stray field, the interaction between the low pressure winding of stray field and current-carrying makes described low pressure winding be subjected to huge inside axial electromagnetic force.Because described low pressure mechanical Strength for Winding is relatively poor, effect electromagnetic force thereon forces its inside contraction distortion, thereby the iron core of being close to it is impacted.Be out of shape and cause described low pressure winding to restore when serious, even burn.When low pressure winding when being square or oval, the influence of above-mentioned electromagnetic force is just bigger, and problem is just outstanding more and serious.Unshakable in one's determination, especially after the iron core of non-crystaline amorphous metal is subjected to above-mentioned impact, their electromagnetic property is with obvious variation, for example, compare with normal transformer, the no-load loss of the iron core of transformer increases, and for the transformer of amorphous alloy core, the increase value of the no-load loss unshakable in one's determination of described transformer can be up to 2～3 times of specified no-load loss unshakable in one's determination.Be subjected to the impact of above-mentioned low pressure winding effect power thereon for fear of iron core, traditional way is the support that interlayer padding gummed paper in the low pressure winding or the epoxy resin tube that adopts a heavy wall are made the low pressure winding.Can protect the impact of avoiding power unshakable in one's determination though do like this, but increase the manufacturing cost of transformer, the problem of low pressure winding machinery insufficient strength still fails fundamentally to be resolved, and has reduced the utilance of window unshakable in one's determination.
Summary of the invention
The purpose of this utility model provides a kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer.This curing low pressure winding has that mechanical strength is big, transformer low cost of manufacture and the high advantage of window utilance unshakable in one's determination.
For achieving the above object, the technical solution of the utility model is, this curing low pressure winding comprises low pressure winding and epoxy resin, the adjacent interlayer reinforced layer that between layer, is lined with of low pressure winding, on the outer surface of low pressure winding, the low pressure winding in the space of turn-to-turn, in the space between layer and interlayer reinforced layer of low pressure winding and the low pressure winding in the space of interlayer, be filled with epoxy resin, low pressure winding, interlayer reinforced layer and epoxy resin are integrated by the curing of epoxy resin.
Now describe the technical solution of the utility model in detail.A kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, it is a part of oil-filled transformer, being installed in back on the iron core of transformer is immersed in the transformer oil with the iron core of transformer, contain the low pressure winding, the low pressure winding is a lattice coil that is entwined by insulated electric conductor, conductor in the insulated electric conductor is copper or aluminium, it is characterized in that, the adjacent interlayer reinforced layer that between layer, is lined with of low pressure winding, the interlayer reinforced layer is the insulation film glass cross or does not have the latitude glass wool cloth, it also contains epoxy resin, on the outer surface of low pressure winding, the low pressure winding in the space of turn-to-turn, in the space between layer and interlayer reinforced layer of low pressure winding and the low pressure winding in the space of interlayer, be filled with epoxy resin, the low pressure winding, interlayer reinforced layer and epoxy resin are integrated by the curing of epoxy resin.
The technical solution of the utility model is further characterized in that described insulated electric conductor is an electromagnetic wire.
The technical solution of the utility model is further characterized in that described insulated electric conductor is Copper Foil or the aluminium foil that surface coverage has the interlayer reinforced layer.
The technical solution of the utility model is further characterized in that, there is interior reinforced layer at the end at the low pressure winding under layer, interior reinforced layer is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin on the outer surface of interior reinforced layer and in the space of the end between layer of interior reinforced layer and low pressure winding, interior reinforced layer is integrated by the curing of epoxy resin and low pressure winding and epoxy resin.
The technical solution of the utility model is further characterized in that, reinforced layer outside the top of low pressure winding has on layer, outer reinforced layer is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin on the outer surface of outer reinforced layer and in the space of top between layer of outer reinforced layer and low pressure winding, outer reinforced layer is integrated by the curing of epoxy resin and low pressure winding and epoxy resin.
The technical solution of the utility model is further characterized in that, there is interior reinforced layer at the end at the low pressure winding under layer, interior reinforced layer is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin on the outer surface of interior reinforced layer and in the space of the end between layer of interior reinforced layer and low pressure winding, reinforced layer outside the top of low pressure winding has on layer, outer reinforced layer is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin on the outer surface of outer reinforced layer and in the space of top between layer of outer reinforced layer and low pressure winding, interior reinforced layer and outer reinforced layer are integrated by the curing of epoxy resin and low pressure winding and epoxy resin.
The beneficial effects of the utility model are:
1, curing low pressure winding mechanical strength of the present utility model is big
Because the epoxy resin that solidifies is high-strength material, add the reinforcement of interlayer reinforced layer of getting back of low pressure winding, so it is big to solidify low pressure winding mechanical strength.When solidifying low pressure winding generation outlet short circuit, high-intensity curing low pressure winding is distortion hardly under the effect that is subjected to huge inside axial electromagnetic force, guarantee that the iron core of transformer can not be subjected to the impact of low pressure winding effect power thereon, make the electro permanent magnetic mass-energy of transformer core remain constant.
2, curing low pressure winding of the present utility model helps to reduce the manufacturing cost of transformer
The low pressure winding that curing low pressure winding of the present utility model does not contain heavy wall supports, and its interlayer reinforced layer, interior reinforced layer and outer reinforced layer are insulation film, during with its assembling transformer, and low cost of manufacture, good product quality.
3, curing low pressure winding of the present utility model helps to improve the utilance of window unshakable in one's determination
The low pressure winding that curing low pressure winding of the present utility model does not contain heavy wall supports, and during with its assembling transformer, the area that interlayer reinforced layer, interior reinforced layer and outer reinforced layer account for window unshakable in one's determination is few, the utilance height of window unshakable in one's determination.
Description of drawings
Fig. 1 is the cross-sectional view of embodiment one of the present utility model, wherein, the 1st, the low pressure winding, the 10th, electromagnetic wire, the 12nd, the interlayer reinforced layer, the 2nd, epoxy resin, the 3rd, unshakable in one's determination.Present embodiment is installed on unshakable in one's determination 3, and is immersed in the transformer oil with unshakable in one's determination 3.
Fig. 2 is the cross-sectional view of embodiment two of the present utility model, wherein, the 11st, Copper Foil or aluminium foil.
Fig. 3 is the cross-sectional view of embodiment three of the present utility model, wherein, the 4th, interior reinforced layer, the 5th, outer reinforced layer, the 10th, electromagnetic wire.
Fig. 4 is the cross-sectional view of embodiment four of the present utility model, wherein, the 4th, interior reinforced layer, the 5th, outer reinforced layer, the 11st, Copper Foil or aluminium foil.
Embodiment
Further specify the technical solution of the utility model and operation principle below in conjunction with drawings and Examples.
The cross-sectional view of embodiment one present embodiment as shown in Figure 1.A kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, it is a part of oil-filled transformer, being installed in back on the iron core 3 of transformer is immersed in the transformer oil with the iron core 3 of transformer, contain low pressure winding 1, low pressure winding 1 is a lattice coil that is entwined by electromagnetic wire 10, conductor in the electromagnetic wire 10 is a copper, the adjacent interlayer reinforced layer 12 that between layer, is lined with of low pressure winding 1, interlayer reinforced layer 12 is insulation film glass crosses or does not have the latitude glass wool cloth, it also contains epoxy resin 2, on the outer surface of low pressure winding 1, low pressure winding 1 in the space of turn-to-turn and in the space between the interlayer reinforced layer 12 of low pressure winding 1, be filled with epoxy resin 2, low pressure winding 1, interlayer reinforced layer 12 and epoxy resin 2 are integrated by the curing of epoxy resin 2.
But the conductor aluminium in the electromagnetic wire 10 of present embodiment.
The agent face structural representation of embodiment two present embodiments as shown in Figure 2.
A kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, it is a part of oil-filled transformer, being installed in back on the iron core 3 of transformer is immersed in the transformer oil with the iron core 3 of transformer, contain low pressure winding 1, low pressure winding 1 is by surface coverage the Copper Foil of interlayer reinforced layer 12 or the lattice coil that aluminium foil 11 is entwined to be arranged, interlayer reinforced layer 12 is glass crosses or does not have the latitude glass wool cloth, it also contains epoxy resin 2, on the outer surface of low pressure winding 1, low pressure winding 1 in the space of turn-to-turn and in the space between the interlayer reinforced layer 12 of low pressure winding 1, be filled with epoxy resin 2, low pressure winding 1, interlayer reinforced layer 12 and epoxy resin 2 are integrated by the curing of epoxy resin 2.
The operation principle of embodiment one and embodiment two is basic identical, and an existing And is described as follows:
1, the low pressure winding 1 of present embodiment, interlayer reinforced layer 12 and epoxy resin 2 are integrated by the curing of epoxy resin 2.Because the epoxy resin 2 that solidifies is high-strength materials, adds that low pressure winding 1 also obtains the reinforcement of interlayer reinforced layer 12, so curing low pressure winding mechanical strength is big.When solidifying low pressure winding generation outlet short circuit, though high-intensity curing low pressure winding is subjected to the effect of huge inside axial electromagnetic force, but it is inwardly contraction distortion hardly, make the iron core 3 of transformer can not be subjected to solidifying the impact of low pressure winding effect power thereon, guarantee that the electro permanent magnetic mass-energy of the iron core 3 of transformer remains constant.
2, present embodiment does not contain the low pressure winding support of heavy wall, and interlayer reinforced layer 12 is insulation films, during with its assembling transformer, the material that is used for interlayer reinforced layer 12 is few, low cost of manufacture, and interlayer reinforced layer 12 to account for the area of window unshakable in one's determination few, the utilance height of window unshakable in one's determination.
The cross-sectional view of embodiment three present embodiments as shown in Figure 3.
A kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, it is a part of oil-filled transformer, being installed in back on the iron core 3 of transformer is immersed in the transformer oil with the iron core 3 of transformer, contain low pressure winding 1, low pressure winding 1 is a lattice coil that is entwined by electromagnetic wire 10, conductor in the electromagnetic wire 10 is a copper, the adjacent interlayer reinforced layer 12 that between layer, is lined with of low pressure winding 1, interlayer reinforced layer 12 is insulation film glass crosses or does not have the latitude glass wool cloth, reinforced layer 4 in the end of low pressure winding 1 has under layer, interior reinforced layer 4 is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, reinforced layer 5 outside the top of low pressure winding 1 has on layer, outer reinforced layer 5 is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, it also contains epoxy resin 2, on the outer surface of interior reinforced layer 4, in the space of the end between layer of interior reinforced layer 4 and low pressure winding 1, on the outer surface of low pressure winding 1, in the space of turn-to-turn and in the space between the interlayer reinforced layer 12 of low pressure winding 1 of low pressure winding 1, be filled with epoxy resin 2 on the outer surface of outer reinforced layer 5 and in the space of top between layer of outer reinforced layer 5 and low pressure winding 1, interior reinforced layer 4, low pressure winding 1, interlayer reinforced layer 12, outer reinforced layer 5 and epoxy resin 2 are integrated by the curing of epoxy resin 2.
But the conductor aluminium in the electromagnetic wire 10 of present embodiment.
The cross-sectional view of embodiment four present embodiments as shown in Figure 3.
A kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, it is a part of oil-filled transformer, being installed in back on the iron core 3 of transformer is immersed in the transformer oil with the iron core 3 of transformer, contain low pressure winding 1, low pressure winding 1 is by surface coverage the Copper Foil of interlayer reinforced layer 12 or the lattice coil that aluminium foil 11 is entwined to be arranged, interlayer reinforced layer 12 is insulation film glass crosses or does not have the latitude glass wool cloth, reinforced layer 4 in the end of low pressure winding 1 has under layer, interior reinforced layer 4 is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, reinforced layer 5 outside the top of low pressure winding 1 has on layer, outer reinforced layer 5 is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, it also contains epoxy resin 2, on the outer surface of interior reinforced layer 4, in the space of the end between layer of interior reinforced layer 4 and low pressure winding 1, on the outer surface of low pressure winding 1, in the space of turn-to-turn and in the space between the interlayer reinforced layer 12 of low pressure winding 1 of low pressure winding 1, be filled with epoxy resin 2 on the outer surface of outer reinforced layer 5 and in the space of top between layer of outer reinforced layer 5 and low pressure winding 1, interior reinforced layer 4, low pressure winding 1, interlayer reinforced layer 12, outer reinforced layer 5 and epoxy resin 2 are integrated by the curing of epoxy resin 2.
The operation principle of embodiment three and embodiment four is basic identical, and an existing And is described as follows:
1, reinforced layer 4, interlayer reinforced layer 12 and outer reinforced layer 5 in the curing low pressure winding of described embodiment also contains, the three is integrated at curing and the epoxy resin 2 by epoxy resin 2, and its mechanical strength is also bigger than the curing low pressure winding of embodiment one and embodiment two.Therefore, the curing low pressure winding of described embodiment the electro permanent magnetic mass-energy of the iron core 3 of guaranteeing transformer remain constant aspect, have more superior performance.
2, interior reinforced layer 4 interlayer reinforced layers 12 and outer reinforced layer 5 are insulation films, during with its assembling transformer, the material of increase is also few, low cost of manufacture, interior reinforced layer 4 interlayer reinforced layers 12 and outer reinforced layer 5 slightly account for the area of window unshakable in one's determination, the utilance height of window unshakable in one's determination.
Claims (12)
1, a kind of curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer, it is a part of oil-filled transformer, the last back iron core (3) with transformer of iron core (3) that is installed in transformer is immersed in the transformer oil, contain low pressure winding (1), low pressure winding (1) is a lattice coil that is entwined by insulated electric conductor, conductor in the insulated electric conductor is copper or aluminium, it is characterized in that, the adjacent interlayer reinforced layer (1 2) that between layer, is lined with of low pressure winding (1), interlayer reinforced layer (12) is the insulation film glass cross or does not have the latitude glass wool cloth, it also contains epoxy resin (2), on the outer surface of low pressure winding (1), low pressure winding (1) in the space of turn-to-turn, in the space between layer and interlayer reinforced layer (12) of low pressure winding (1) and low pressure winding (1) in the space of interlayer, be filled with epoxy resin (2), low pressure winding (1), interlayer reinforced layer (12) and epoxy resin (2) are integrated by the curing of epoxy resin (2).
2, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1 is characterized in that, described insulated electric conductor is electromagnetic wire (10).
3, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1 is characterized in that, described insulated electric conductor is Copper Foil or the aluminium foil (11) that surface coverage has interlayer reinforced layer (12).
4, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, there is interior reinforced layer (4) at the end at low pressure winding (1) under layer, interior reinforced layer (4) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of interior reinforced layer (4) and in the space of the end between layer of interior reinforced layer (4) and low pressure winding (1), interior reinforced layer (4) is integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
5, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, reinforced layer (5) outside the top of low pressure winding (1) has on layer, outer reinforced layer (5) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of outer reinforced layer (5) and in the space of top between layer of outer reinforced layer (5) and low pressure winding (1), outer reinforced layer (5) is integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
6, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, there is interior reinforced layer (4) at the end at low pressure winding (1) under layer, interior reinforced layer (4) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of interior reinforced layer (4) and in the space of the end between layer of interior reinforced layer (4) and low pressure winding (1), reinforced layer (5) outside the top of low pressure winding (1) has on layer, outer reinforced layer (5) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of outer reinforced layer (5) and in the space of top between layer of outer reinforced layer (5) and low pressure winding (1), interior reinforced layer (4) and outer reinforced layer (5) are integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
7, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, described insulated electric conductor is electromagnetic wire (10), there is interior reinforced layer (4) at the end at low pressure winding (1) under layer, interior reinforced layer (4) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of interior reinforced layer (4) and in the space of the end between layer of interior reinforced layer (4) and low pressure winding (1), interior reinforced layer is integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
8, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, described insulated electric conductor is Copper Foil or the aluminium foil (11) that surface coverage has the interlayer reinforced layer, there is interior reinforced layer (4) at the end at low pressure winding (1) under layer, interior reinforced layer (4) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of interior reinforced layer (4) and in the space of the end between layer of interior reinforced layer (4) and low pressure winding (1), interior reinforced layer (4) is integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
9, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, described insulated electric conductor is electromagnetic wire (10), reinforced layer (5) outside the top of low pressure winding has on layer, outer reinforced layer (5) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of outer reinforced layer (5) and in the space of top between layer of outer reinforced layer (5) and low pressure winding (1), outer reinforced layer is integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
10, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, described insulated electric conductor is Copper Foil or the aluminium foil (11) that surface coverage has the interlayer reinforced layer, reinforced layer (5) outside the top of low pressure winding has on layer, outer reinforced layer (5) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of outer reinforced layer (5) and in the space of top between layer of outer reinforced layer (5) and low pressure winding (1), outer reinforced layer (5) is integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
11, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, described insulated electric conductor is electromagnetic wire (10), there is interior reinforced layer (4) at the end at low pressure winding (1) under layer, interior reinforced layer (4) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of interior reinforced layer (4) and in the space of the end between layer of interior reinforced layer (4) and low pressure winding (1), reinforced layer (5) outside the top of low pressure winding has on layer, outer reinforced layer (5) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of outer reinforced layer (5) and in the space of top between layer of outer reinforced layer (5) and low pressure winding (1), interior reinforced layer (4) and outer reinforced layer (5) are integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
12, the curing low pressure winding that contains around the oil-filled transformer of interlayer reinforced layer according to claim 1, it is characterized in that, described insulated electric conductor is Copper Foil or the aluminium foil (11) that surface coverage has the interlayer reinforced layer, there is interior reinforced layer (4) at the end at low pressure winding (1) under layer, interior reinforced layer (4) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of interior reinforced layer (4) and in the space of the end between layer of interior reinforced layer (4) and low pressure winding (1), reinforced layer (5) outside the top of low pressure winding (1) has on layer, outer reinforced layer (5) is by the insulation film glass cross or do not have the latitude glass wool cloth and coincide and form, be filled with epoxy resin (2) on the outer surface of outer reinforced layer (5) and in the space of top between layer of outer reinforced layer (5) and low pressure winding (1), interior reinforced layer (4) and outer reinforced layer (5) are integrated by the curing of epoxy resin (2) and low pressure winding (1) and epoxy resin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200762180U CN201160029Y (en) | 2007-11-15 | 2007-11-15 | Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200762180U CN201160029Y (en) | 2007-11-15 | 2007-11-15 | Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201160029Y true CN201160029Y (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200762180U Expired - Lifetime CN201160029Y (en) | 2007-11-15 | 2007-11-15 | Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers |
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| CN (1) | CN201160029Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629514A (en) * | 2012-04-24 | 2012-08-08 | 山东达驰电气有限公司 | Oil duct structure in press fitting of high voltage converter transformer and handling method of oil duct |
| CN101599352B (en) * | 2009-04-14 | 2014-04-02 | 宁夏银利电器制造有限公司 | Waterproof treatment method for dry type transformer winding or reactor winding |
| CN105551773A (en) * | 2016-01-21 | 2016-05-04 | 王永法 | Anti-short-circuit transformer coil and preparation method therefor |
-
2007
- 2007-11-15 CN CNU2007200762180U patent/CN201160029Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599352B (en) * | 2009-04-14 | 2014-04-02 | 宁夏银利电器制造有限公司 | Waterproof treatment method for dry type transformer winding or reactor winding |
| CN102629514A (en) * | 2012-04-24 | 2012-08-08 | 山东达驰电气有限公司 | Oil duct structure in press fitting of high voltage converter transformer and handling method of oil duct |
| CN102629514B (en) * | 2012-04-24 | 2014-04-30 | 山东达驰电气有限公司 | Oil duct structure in press fitting of high voltage converter transformer and handling method of oil duct |
| CN105551773A (en) * | 2016-01-21 | 2016-05-04 | 王永法 | Anti-short-circuit transformer coil and preparation method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Electric Power Transformer Regulator Factory Co., Ltd. Assignor: Shanghai Electric Power Corporation|Shanghai Jiulong Electric Power Co., Ltd. Contract fulfillment period: 2009.5.31 to 2014.5.31 Contract record no.: 2009310000123 Denomination of utility model: Solidifying winding set of oil-immersed type transformer containing reinforced layer among coiling layers Granted publication date: 20081203 License type: Exclusive license Record date: 20090713 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.31 TO 2014.5.31; CHANGE OF CONTRACT Name of requester: SHANGHAI POWER TRANSFORMER REPAIR FACTORY CO., LTD Effective date: 20090713 |
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| CX01 | Expiry of patent term |
Granted publication date: 20081203 |