CN205828089U - 110kV and above amorphous alloy stereo roll iron core transformator - Google Patents
110kV and above amorphous alloy stereo roll iron core transformator Download PDFInfo
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- CN205828089U CN205828089U CN201620305565.5U CN201620305565U CN205828089U CN 205828089 U CN205828089 U CN 205828089U CN 201620305565 U CN201620305565 U CN 201620305565U CN 205828089 U CN205828089 U CN 205828089U
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Abstract
The utility model discloses a kind of 110kV and above amorphous alloy stereo roll iron core transformator, including three dimensional wound core, the around the home coil windings on three dimensional wound core, described three dimensional wound core uses amorphous alloy film to make, the internal layer of described three dimensional wound core and outer layer arrange protection supporting strip, and described protection supporting strip is formed by rigid material coiling.This utility model uses the protection supporting strip of rigid material coiling to protect the amorphous alloy film of composition three dimensional wound core; three dimensional wound core is one the most overall and force-applied; solving existing amorphous alloy core can not the problem of stress; simplify the manufacturing process of amorphous alloy stereo roll iron core transformator, improve electric pressure and the capacity of non-crystaline amorphous metal oil three dimensional wound core transformator.Contrast uses the transformator of silicon steel plate core, and amorphous alloy stereo roll iron core transformer noload losses of the present utility model is remarkably decreased, and can meet voltage levels and jumbo demand, and the suitability is widely.
Description
Technical field
This utility model relates to field of electrical equipment, is specifically related to 110kV and the above amorphous alloy stereo roll iron core transformator of a kind of oil immersed type.
Background technology
110kV and the oil-filled transformer of above at present, core material is generally stalloy, and open circuit loss is relatively big, causes the economy of transformator to decline.
Using the superior performance unshakable in one's determination that amorphous alloy film makes, open circuit loss is less, but current amorphous alloy oil immersion type transformer voltage grade is typically at 10kV and following, and capacity is typically at 2500kVA and following, it is impossible to meet jumbo transformator demand.This is owing to amorphous alloy film is more thin and fragile relative to stalloy, it is especially used in traditional plane wound core, iron core can not stress, the anti-short circuit capability causing transformer manufacturing complex process and transformator is more weak, thus limits electric pressure and the capacity of Amorphous Alloy Core Transformer.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of 110kV and above amorphous alloy stereo roll iron core transformator.Using amorphous alloy stereo roll iron core, the open circuit loss reaching transformator reduces, and simplifies amorphous alloy oil immersion type transformer manufacturing technique, improves electric pressure and the capacity of amorphous alloy oil immersion type transformator.
This utility model be the technical scheme is that
110kV and above amorphous alloy stereo roll iron core transformator, including three dimensional wound core, the around the home coil windings on three dimensional wound core, described three dimensional wound core uses amorphous alloy film to make, the internal layer of described three dimensional wound core and outer layer arrange protection supporting strip, and described protection supporting strip is formed by rigid material coiling.
Preferably, described protection supporting strip is formed by silicon strip coiling.
The beneficial effects of the utility model are:
Amorphous alloy stereo roll iron core transformator of the present utility model; the amorphous alloy film of composition three dimensional wound core is protected by the protection supporting strip using rigid material coiling; three dimensional wound core is one the most overall and force-applied; solving existing amorphous alloy core can not the problem of stress; simplify the manufacturing process of amorphous alloy stereo roll iron core transformator, improve electric pressure and the capacity of non-crystaline amorphous metal oil three dimensional wound core transformator.Contrast uses the transformator of silicon steel plate core, and amorphous alloy stereo roll iron core transformer noload losses of the present utility model is remarkably decreased, and can meet voltage levels and jumbo demand, and the suitability is widely.
In order to strengthen the stress anti-pressure ability of amorphous alloy film three dimensional wound core further, one or more buffer strip is set inside described three dimensional wound core, described buffer strip includes and the rigid material layer of amorphous alloy film laminating, and the elastic cord breaker being arranged between rigid material layer.Absorbing partial pressure by buffer strip, the three dimensional wound core that employing amorphous alloy film can be made to make bears bigger pressure, ensures that amorphous alloy film does not damages simultaneously.
Further, for the transformator that cooling requirements unshakable in one's determination is higher, also can be provided with fluid passage in the middle part of elastic cord breaker, when iknsulating liquid is by fluid passage, iron core be dispelled the heat.
Preferably, described rigid material layer is made up of stalloy.
Preferably, described elastic cord breaker is made up of silicone band.
As the further improvement of technique scheme, it is provided with pressure insulating barrier at the iron yoke of described three dimensional wound core, strengthens the proof voltage performance between coil windings and three dimensional wound core.Pressure insulating barrier can arrange thickness according to the winding voltage that bottom is corresponding.
As the further improvement of technique scheme, around being equipped with multiple coil windings on described three dimensional wound core, separated by insulating cylinder between described coil windings.
As the further improvement of technique scheme, described coil windings upper and lower side is respectively arranged with insulating end ring.
As the further improvement of technique scheme, described transformator also includes the upper clamping piece for clamping coil windings and lower clamping piece.Described upper clamping piece includes that pressing plate and nail pressing, described lower clamping piece include support plate.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model rather than whole embodiment, and those skilled in the art is not on the premise of paying creative work, it is also possible to other designs obtained according to these accompanying drawings and accompanying drawing:
Fig. 1 is the structural representation of amorphous alloy stereo roll iron core transformator of the present utility model.
Fig. 2 is the perspective view of three dimensional wound core.
Fig. 3 is the core limb sectional view of three dimensional wound core.
Fig. 4 is the structural representation of one of them composition single frame of three dimensional wound core.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is clearly and completely described, to be completely understood by the purpose of this utility model, feature and effect.Obviously; described embodiment is a part of embodiment of the present utility model rather than whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art is obtained on the premise of not paying creative work, belong to the scope of this utility model protection.
With reference to Fig. 1, this utility model provides a kind of 110kV and above amorphous alloy stereo roll iron core transformator, including three dimensional wound core 1, described three dimensional wound core 1 is provided with multiple coil windings.In the present embodiment, described coil windings includes high pressure winding 2, low pressure winding 3 and tap-changing windings 4, is respectively adopted insulating cylinder 5 and separates between each coil windings.The upper and lower side of high pressure winding 2, low pressure winding 3 and tap-changing windings 4 is respectively arranged with insulating end ring 6, wherein, low pressure winding 3 and tap-changing windings 4 is additionally provided with square ring 7, improves insulating properties further.Described transformator also includes that the upper clamping piece 8 for clamping coil windings and lower clamping piece 11, described upper clamping piece 8 include that pressing plate 9 and nail pressing 10, described lower clamping piece 11 include support plate 12.
Being the perspective view of three dimensional wound core shown in Fig. 2, with reference to Fig. 2, three dimensional wound core of the present utility model includes three vertical core limbs, and connects the iron yoke of core limb.It it is the core limb sectional view of three dimensional wound core shown in Fig. 3, with reference to Fig. 3, described three dimensional wound core 1 uses amorphous alloy film to make, the internal layer of three dimensional wound core 1 and outer layer arrange protection supporting strip 101, protection supporting strip 101 is formed by rigid material coiling, preferably employ silicon strip coiling to form, it would however also be possible to employ other rigid materials.Described three dimensional wound core 1 is internal also sets up one or more buffer strip 102, and described buffer strip 102 includes and the rigid material layer of amorphous alloy film laminating, and the elastic cord breaker being arranged between rigid material layer.Described rigid material layer preferably employs stalloy composition, it would however also be possible to employ other rigid materials；Described elastic cord breaker preferably employs silicone band composition, it would however also be possible to employ other elastomeric materials.This utility model uses the protection supporting strip 101 of rigid material coiling to protect the amorphous alloy film of composition three dimensional wound core 1; three dimensional wound core 1 is one the most overall and force-applied; additionally absorb partial pressure also by buffer strip 102; strengthening further the stress anti-pressure ability of amorphous alloy film three dimensional wound core 1, solving existing amorphous alloy core can not the problem of stress.Above-mentioned amorphous alloy film three dimensional wound core 1 is used to make transformator, manufacturing process can be simplified, and improve electric pressure and the capacity of non-crystaline amorphous metal oil three dimensional wound core transformator, amorphous alloy stereo roll iron core transformator of the present utility model and tradition use the transformator contrast of silicon steel plate core, amorphous alloy stereo roll iron core transformer noload losses of the present utility model is remarkably decreased, and voltage levels and jumbo demand can be met, the suitability is widely.
Further, for the transformator that cooling requirements unshakable in one's determination is higher, fluid passage also can be set in the middle part of elastic cord breaker 12: as elastic cord breaker 12 being divided into some pieces, gap is left in centre, obtains fluid passage；Or some through holes it are provided with when elastic cord breaker 12 molding, form fluid passage.When three dimensional wound core 1 is immersed in transformer oil, transformer oil can be circulated by fluid passage, thus takes away the heat within iron core, dispels the heat iron core.
Further, with reference to Fig. 4, being provided with pressure insulating barrier 103 at the iron yoke of described three dimensional wound core 1, pressure insulating barrier 103 can arrange thickness according to the winding voltage that bottom is corresponding, strengthens the proof voltage performance between coil windings and three dimensional wound core 1.Owing to the increase of pressure insulating barrier 103 can cause iron yoke top not to be plane.
Above concrete structure and sized data are to be illustrated preferred embodiment of the present utility model, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art it may also be made that all equivalent variations or replacement on the premise of this utility model spirit, and deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (10)
1.110kV and above amorphous alloy stereo roll iron core transformator, including three dimensional wound core, the around the home coil windings on three dimensional wound core, described three dimensional wound core uses amorphous alloy film to make, it is characterized in that: the internal layer of described three dimensional wound core and outer layer arrange protection supporting strip, described protection supporting strip is formed by rigid material coiling.
110kV the most according to claim 1 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: described protection supporting strip is formed by silicon strip coiling.
110kV the most according to claim 1 and above amorphous alloy stereo roll iron core transformator, it is characterized in that: one or more buffer strip is set inside described three dimensional wound core, described buffer strip includes and the rigid material layer of amorphous alloy film laminating, and the elastic cord breaker being arranged between rigid material layer.
110kV the most according to claim 3 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: it is provided with fluid passage in the middle part of described elastic cord breaker.
110kV the most according to claim 3 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: described rigid material layer is made up of stalloy.
6. according to the 110kV described in claim 3 or 4 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: described elastic cord breaker is made up of silicone band.
110kV the most according to claim 1 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: it is provided with pressure insulating barrier at the iron yoke of described three dimensional wound core.
110kV the most according to claim 1 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: around being equipped with multiple coil windings on described three dimensional wound core, separated by insulating cylinder between described coil windings.
110kV the most according to claim 1 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: described coil windings upper and lower side is respectively arranged with insulating end ring.
110kV the most according to claim 1 and above amorphous alloy stereo roll iron core transformator, it is characterised in that: also include the upper clamping piece for clamping coil windings and lower clamping piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620305565.5U CN205828089U (en) | 2016-04-12 | 2016-04-12 | 110kV and above amorphous alloy stereo roll iron core transformator |
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| CN201620305565.5U CN205828089U (en) | 2016-04-12 | 2016-04-12 | 110kV and above amorphous alloy stereo roll iron core transformator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035512A (en) * | 2021-02-26 | 2021-06-25 | 广东敞开电气有限公司 | Coil insulation structure, coil structure and transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035512A (en) * | 2021-02-26 | 2021-06-25 | 广东敞开电气有限公司 | Coil insulation structure, coil structure and transformer |
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