CN114005660B - Outgoing line structure of high-voltage winding of transformer and transformer - Google Patents

Outgoing line structure of high-voltage winding of transformer and transformer Download PDF

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Publication number
CN114005660B
CN114005660B CN202111653294.4A CN202111653294A CN114005660B CN 114005660 B CN114005660 B CN 114005660B CN 202111653294 A CN202111653294 A CN 202111653294A CN 114005660 B CN114005660 B CN 114005660B
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voltage winding
head
tapping
outlet
transformer
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CN114005660A (en
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郭井申
刘建华
胡明方
李永新
刘艳丽
穆效平
周佳
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Shanghai Electric Group Zhangjiagang Transformer Co ltd
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Shanghai Electric Group Zhangjiagang Transformer Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H01F27/2828—Construction of conductive connections, of leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

Abstract

The invention discloses a wire outlet structure of a high-voltage winding of a transformer and the transformer, wherein the wire outlet structure of the high-voltage winding of the transformer comprises at least two groups of high-voltage windings arranged close to an iron core and a low-voltage winding arranged corresponding to the high-voltage winding and sleeved outside the high-voltage winding, and a head end outlet, a tail end outlet and a tapping lead outlet of the high-voltage winding are all led out towards the top or the bottom of the high-voltage winding along the axial direction of the high-voltage winding. Compared with the prior art, the outgoing line of the low-voltage winding does not need to be led out from the middle of two adjacent groups of high-voltage windings, so that the axial distance between the two adjacent high-voltage windings is reduced, the height of the whole transformer is reduced, the using amount of silicon steel sheets of an iron core is saved, and the energy consumption and the cost of the transformer are further reduced.

Description

Outgoing line structure of high-voltage winding of transformer and transformer
Technical Field
The invention relates to the technical field of transformers, in particular to an outlet structure of a high-voltage winding of a transformer and the transformer.
Background
With the continuous deep and development of the application of the alternating-current variable-frequency speed regulation technology, the transmission rectifier transformer matched with the alternating-current variable-frequency speed regulation technology is continuously changed from a simple double-winding rectifier transformer to a double-split rectifier transformer and then to a triple-split rectifier transformer, the structure of the transformer is more and more complex, the wire outlet mode of the winding is more complicated, the difficulty of design and manufacture is increased, and the cost of the transformer is also increased.
The arrangement mode of present transformer winding usually does, the iron core side is low voltage winding, there is high voltage winding in low voltage winding's outside cover, because low voltage winding's lead-out wire will be drawn forth from adjacent two sets of high voltage winding's centre, consequently must increase the axial distance between two adjacent high voltage winding, in order to guarantee that high, low voltage winding's magnetic center is unanimous, it is corresponding, the axial distance between two adjacent low voltage winding also will increase, thereby the height that has led to whole transformer increases, the energy consumption of transformer has been increased, and the cost is increased.
Therefore, how to reduce the overall height of the transformer, the amount and cost of the silicon steel sheets for the iron core are technical problems that those skilled in the art need to solve.
Disclosure of Invention
In view of the above, the present invention is directed to provide an outlet structure of a high-voltage winding of a transformer, which reduces the overall height of the transformer and the usage and cost of silicon steel sheets of an iron core.
Another object of the present invention is to provide a transformer.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a transformer high voltage winding's outlet structure, includes at least two sets of high voltage winding that are close to the iron core setting, and with high voltage winding corresponds the setting and the cover is located the low voltage winding in the high voltage winding outside, high voltage winding's head end goes out the head, the end goes out the head and the tapping lead goes out the head and all follows high voltage winding's axis direction orientation high voltage winding's top or bottom are drawn forth.
Preferably, the high-voltage winding comprises a first high-voltage winding, a second high-voltage winding and a third high-voltage winding;
the lead of first high voltage winding includes that the head end goes out first A1, terminal X1 and many first high voltage winding shunting lead tapping, the lead of second high voltage winding includes that the head end goes out first A2, terminal X2 and many second high voltage winding shunting lead tapping, the lead of third high voltage winding includes that the head end goes out first A3, terminal X3 and many third high voltage winding shunting lead tapping.
Preferably, the head end is out of head A1The first high-voltage winding tapping lead outlet and the second high-voltage winding tapping lead outlet are led out towards the top of the first high-voltage winding along the axial direction of the first high-voltage winding;
the tail end is out of the head X1The head end is out of the head A2The tail end is out of the head X2The head end is out of the head A3The tail end is out of the head X3And the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding along the axial direction of the third high-voltage winding.
Preferably, the head end is out of head A1The head end is out of the head A2And the head end goes out of the head A3Are all arranged at a first gear, and the head end is extended1Is led out towards the top of the first high-voltage winding, and the head end of the first high-voltage winding is led out of the first high-voltage winding2And the head end goes out of the head A3Are led out towards the bottom of the third high-voltage winding;
the tapping of the first high-voltage winding tapping lead and the tapping of the tail end X1The tail end is out of the head X2And said end-out X3Are all arranged in a second gear, the tapping heads of the tapping leads of the first high-voltage winding are led out towards the top of the first high-voltage winding, and the tail end tapping head X is1The tail end is out of the head X2And said end-out X3Are led out towards the bottom of the third high-voltage winding;
and the tapping lead outlet of the second high-voltage winding and the tapping lead outlet of the third high-voltage winding are both arranged at a third gear, the tapping lead outlet of the second high-voltage winding is led out towards the top of the first high-voltage winding, and the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding.
Preferably, the head end is out of head A1The head end is out of the head A2The first high-voltage winding tapping lead outlet and the second high-voltage winding tapping lead outlet are led out towards the top of the first high-voltage winding along the axial direction of the first high-voltage winding;
the tail end is out of the head X1The tail end is out of the head X2The head end is out of the head A3The tail end is out of the head X3And the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding along the axial direction of the third high-voltage winding。
Preferably, the head end is out of head A1The head end is out of the head A2And the head end goes out of the head A3Are all arranged at a first gear, and the head end is extended1And the head end goes out of the head A2Are led out towards the top of the first high-voltage winding, and the head end is led out3The third high-voltage winding is led out towards the bottom of the third high-voltage winding;
the tapping of the first high-voltage winding tapping lead and the tapping of the tail end X1The tail end is out of the head X2And said end-out X3Are all arranged in a second gear, the tapping heads of the tapping leads of the first high-voltage winding are led out towards the top of the first high-voltage winding, and the tail end tapping head X is1The tail end is out of the head X2And said end-out X3Are led out towards the bottom of the third high-voltage winding;
and the tapping lead of the second high-voltage winding and the tapping lead of the third high-voltage winding are both arranged at a third gear, the tapping lead of the second high-voltage winding is led out towards the top of the first high-voltage winding, and the tapping lead of the third high-voltage winding is led out towards the bottom of the third high-voltage winding.
Preferably, the tapping heads of the first high-voltage winding tapping lead, the second high-voltage winding tapping lead and the third high-voltage winding tapping lead are 4-8.
A transformer comprises the outlet structure of the high-voltage winding of the transformer.
Preferably, the high voltage winding and the low voltage winding are arranged in a winding space.
Preferably, the insulation assembly comprises:
the first corrugated paper board, the first insulating paper board, the second corrugated paper board, the second insulating paper board and the insulating paper groove are sequentially arranged from the outer surface of the high-voltage winding to the direction of the tapping lead wire outlet;
the third corrugated paper is arranged between the tapping lead outlet and the low-voltage winding;
the insulation paper groove is of a U-shaped structure, and the tapping lead wire outlet head is arranged in the U-shaped space of the insulation paper groove.
Compared with the prior art, the technical scheme has the advantages that the outgoing line of the low-voltage winding does not need to be led out from the middle of the two adjacent groups of high-voltage windings, so that the axial distance between the two adjacent high-voltage windings is shortened, the height of the whole transformer is reduced, the consumption of iron core silicon steel sheets is saved, and the energy consumption and the cost of the transformer are further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an electrical schematic diagram of an outlet structure of a high-voltage winding of a transformer according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a leading-out structure of a high-voltage winding of a transformer according to a first embodiment of the present invention;
fig. 3 is a schematic top view illustrating an outlet structure of a high-voltage winding of a transformer according to a first embodiment of the disclosure;
fig. 4 is an electrical schematic diagram of an outlet structure of a high-voltage winding of a transformer according to a second embodiment of the disclosure;
fig. 5 is a schematic structural diagram of a lead-out structure of a high-voltage winding of a transformer according to a second embodiment of the present invention;
fig. 6 is a schematic top view illustrating an outlet structure of a high-voltage winding of a transformer according to a second embodiment of the disclosure;
fig. 7 is a partially enlarged schematic view of an insulation assembly of an outlet structure of a high-voltage winding of a transformer according to an embodiment of the disclosure.
Wherein, each part name is as follows:
100 is a high-voltage winding, 101 is a first high-voltage winding, 1011 is a head end head A1And 1012 isEnd outlet X 11013 is the first high-voltage winding tapping lead, 102 is the second high-voltage winding, 1021 is the head end tapping A2And 1022 is the end-out X 21023 is the tapping of the tapping lead of the second high-voltage winding, 103 is the third high-voltage winding, 1031 is the head end tapping A3And 1032 is a tail end outlet X 31033 is a tapping lead head of the third high-voltage winding, 200 is a low-voltage winding, 201 is a first low-voltage winding, 202 is a second low-voltage winding, 203 is a third low-voltage winding, 300 is a hard paper tube, 400 is a stay, 500 is a cushion block, 600 is an insulating component, 601 is a first corrugated board, 602 is a first insulating paper board, 603 is a second corrugated board, 604 is a second insulating paper board, 605 is an insulating paper slot, 606 is a tapping lead head, and 607 is a third corrugated board.
Detailed Description
In view of the above, the core of the present invention is to provide an outlet structure of a high-voltage winding of a transformer, which can reduce the overall height of the transformer, and can also save the amount of silicon steel sheets of an iron core, thereby effectively reducing the cost.
Another core of the present invention is to provide a transformer.
In order to make the technical field of the invention better understand, the invention is further described in detail with reference to the accompanying drawings and the detailed description, and please refer to fig. 1 to 7.
The outlet structure of the high-voltage winding of the transformer disclosed by the embodiment of the invention comprises at least two groups of high-voltage windings 100 which are arranged close to an iron core, and a low-voltage winding 200 which is arranged corresponding to the high-voltage windings 100 and sleeved outside the high-voltage windings 100, wherein the head end outlet, the tail end outlet and the tapping lead outlet of the high-voltage windings 100 are all led out towards the top or the bottom of the high-voltage windings 100 along the axial direction of the high-voltage windings 100. Compared with the prior art, the outgoing line of the low-voltage winding 200 does not need to be led out from the middle of two adjacent groups of high-voltage windings 100, so that the structure reduces the axial distance between the two adjacent high-voltage windings 100, reduces the height of the whole transformer, saves the consumption of iron core silicon steel sheets, and further reduces the energy consumption and the cost of the transformer.
In addition, because the head end tapping, the tail end tapping and the tapping lead tapping of the high-voltage winding 100 are completed during winding, the winding sleeving time is greatly shortened, and the working efficiency is improved.
It should be explained that the outer side of the high-voltage winding 100 disclosed in the embodiments of the present invention refers to a position away from the core.
The high-voltage windings of the transformer disclosed by the embodiment of the invention can be arranged into two groups, three groups or more groups, and the structures meeting the use requirements of the transformer are within the protection scope of the invention.
As a preferred embodiment of the present invention, three groups of high-voltage windings disclosed in the embodiments of the present invention are preferably adopted, and specifically include a first high-voltage winding 101, a second high-voltage winding 102, and a third high-voltage winding, and accordingly, a first low-voltage winding 201 is sleeved outside the first high-voltage winding 101, a second low-voltage winding 202 is sleeved outside the second high-voltage winding 102, and a third low-voltage winding 203 is sleeved outside the third high-voltage winding 103.
Wherein the lead wire of the first high-voltage winding 101 comprises a head end protrusion A 11011. End outlet X 11012 and a plurality of first high-voltage winding tap lead wire leads 1013, the lead wire of the second high-voltage winding 102 comprises a head end lead wire A 21021. End outlet X 21022 and multiple tapping leads 1023 of the second high-voltage winding, and the leads of the third high-voltage winding include a head end tap A 31031. End outlet X 31032 and a plurality of third high voltage winding tap lead taps 1033.
The embodiment of the invention is used for leading the head end to be out A11011. End outlet X 11012. Multiple first high-voltage winding tapping lead wire leading-out 1013 and head end leading-out A 21021. End outlet X 21022. Multiple second high-voltage winding tapping lead wire heads 1023 and head end heads A31031. End outlet X31032 and the specific lead-out structures of the plurality of third high-voltage winding tap lead taps 1033 are not particularly limited, and any structures that meet the requirements of the present invention are within the scope of the present invention.
Please refer to fig. 1 as the first embodiment of the present inventionIn the preferred embodiment of the present invention, in the outgoing line structure of the high-voltage winding of the transformer, the head end of the outgoing line is preferably led out to the head a11011. First high-voltage winding tap lead 1013 and second high-voltage winding tap lead 1023 are both led out in the axial direction of first high-voltage winding 101 towards the top of first high-voltage winding 101, preferably with end tap X 11012. Head end outlet A 21021. End outlet X 21022. Head end outlet A 31031. End outlet X31032 and a third high-voltage winding tap lead out 1033 are both led out toward the bottom of the third high-voltage winding 103 along the axial direction of the third high-voltage winding 103.
Through the arrangement of the structure, the axial distance between two adjacent high-voltage windings 100 can be effectively reduced, the height of the whole transformer is reduced, the consumption of iron core silicon steel sheets is saved, the energy consumption and the cost of the transformer are further reduced, and considerable economic benefits and social benefits are created.
In order to ensure the reliability and safety of transformer insulation, in the first embodiment of the disclosure of the present invention, it is preferable to place the lead wires at the same potential or at a similar potential in the same step for leading out.
It should be construed that "gear" means: the winding is equally divided into N equal parts along the circumference, and 1 gear is arranged between two adjacent equal parts.
Referring to fig. 2, in the first embodiment of the present invention, the head end is preferably protruded a11011. Head end outlet A 21021 and head end head A31031 are all arranged in the first gear, and the head end is out of the head A 11011 is led out towards the top of the first high-voltage winding, and the head end of the first high-voltage winding is led out of the first high-voltage winding21021 and head end head A31031 are all led out towards the bottom of the third high-voltage winding;
leading out 1013 and X of the tapping lead of the first high-voltage winding11012. End outlet X21022 and end-out X 31032 are all arranged at the second gear, the tapping head 1013 of the tapping lead of the first high-voltage winding is led out towards the top of the first high-voltage winding 101, and the tail end of the tapping head X is led out11012. End outlet X21022 and end-out X 31032 are all led out towards the bottom of the third high-voltage winding;
and the tapping lead head 1023 of the second high-voltage winding and the tapping lead head 1033 of the third high-voltage winding are arranged in a third gear, the tapping lead head 1023 of the second high-voltage winding is led out towards the top of the first high-voltage winding 101, and the tapping lead head 1033 of the third high-voltage winding is led out towards the bottom of the third high-voltage winding 103.
Through the arrangement structure of the lead heads, the lead heads of all the leads can be ensured not to interfere with each other, and the leads with similar potential or potential can be led out in the same gear.
Referring to fig. 4, as a second preferred embodiment of the present invention, in the outgoing line structure of the high-voltage winding of the transformer disclosed in the embodiment of the present invention, the head end is preferably led out a head a1Head end goes out head A2The tapping lead outlet of the first high-voltage winding and the tapping lead outlet of the second high-voltage winding are led out towards the top of the first high-voltage winding along the axial direction of the first high-voltage winding;
end outlet X1End out of head X2Head end goes out head A3End out of head X3And the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding along the axial direction of the third high-voltage winding.
Through the structure, the axial distance between two adjacent high-voltage windings 100 can be effectively reduced, the height of the whole transformer is reduced, the using amount of iron core silicon steel sheets is saved, and the energy consumption and the cost of the transformer are further reduced.
In order to ensure the reliability and safety of transformer insulation, in the second embodiment of the present disclosure, it is preferable to place the lead wires at the same potential or at a similar potential in the same step for leading out.
Referring to fig. 5, in the second embodiment of the present invention, the head end is preferably protruded a11011. Head end outlet A 21021 and head end head A31031 are all arranged in the first gear, and the head end is out of the head A 11011 and head end head A 21021 is led out towards the top of the first high-voltage winding 101, and the head end of the first high-voltage winding is led out of the first high-voltage winding31031 are drawn out toward the bottom of the third high-voltage winding 103;
tapping 1013 and ending of the first high-voltage windingHead X 11012. End outlet X21022 and end-out X 31032 are all arranged at the second gear, the tapping head 1013 of the tapping lead of the first high-voltage winding is led out towards the top of the first high-voltage winding 101, and the tail end of the tapping head X is led out11012. End outlet X21022 and end-out X 31032 are all led out towards the bottom of the third high-voltage winding;
and the tapping lead of the second high-voltage winding 1023 and the tapping lead of the third high-voltage winding 1033 are both arranged in a third gear, the tapping lead of the second high-voltage winding 1023 is led out towards the top of the first high-voltage winding 101, and the tapping lead of the third high-voltage winding 1033 is led out towards the bottom of the third high-voltage winding 103.
The first embodiment and the second embodiment respectively disclose two optimal arrangement modes of the transformer outgoing line structures, and the arrangement can enable the arrangement of the outgoing line structures of the transformer to be simpler and more convenient, and save materials and cost.
However, the embodiment of the present invention is not limited to the two lead-out structures, and other arrangement structures may also be adopted, as long as the lead heads of the leads are not interfered with each other during the arrangement, and a person skilled in the art may select the lead heads according to actual situations.
The specific numbers of the first high-voltage winding tapping lead wire outlet 1013, the second high-voltage winding tapping lead wire outlet 1023 and the third high-voltage winding tapping lead wire outlet 1033 disclosed in the embodiment of the present invention are not limited, and those skilled in the art can select the numbers according to actual situations, and the structures meeting the use requirements of the present invention are within the protection scope of the present invention.
As a preferred embodiment, the first high-voltage winding tap lead outlet 1013, the second high-voltage winding tap lead outlet 1023 and the third high-voltage winding tap lead outlet 1033 disclosed in the embodiments of the present invention are preferably arranged in 4-8 pieces, and more preferably, the first high-voltage winding tap lead outlet 1013, the second high-voltage winding tap lead outlet 1023 and the third high-voltage winding tap lead outlet 1033 are arranged in 4 pieces, 6 pieces or 8 pieces.
The embodiment of the invention also discloses a transformer, which comprises the outlet structure of the high-voltage winding of the transformer disclosed by any one of the embodiments.
Since the transformer adopts the outlet structure of the transformer high-voltage winding disclosed in the above embodiment, the transformer has the technical advantages of the outlet structure of the transformer high-voltage winding, and details of the transformer are not repeated herein.
Referring to fig. 3 and 6, the high-voltage winding outgoing line structure of the transformer disclosed in the first and second embodiments of the present invention further includes a hard paper tube 300, a stay 400 is disposed on the hard paper tube 300, and the high-voltage winding 100 is wound on the stay 400.
In order to ensure the insulating and heat dissipating properties of the high-voltage winding 100, the embodiment of the invention provides a spacer 500 on the stay 400.
In the high-voltage winding outgoing line structure of the transformer disclosed by the embodiment of the invention, the lead path of the high-voltage winding 100 passes through the outer surface of the whole high-voltage winding 100, namely the lead passes through the whole high-field-intensity area, so that the embodiment of the invention further optimizes the insulation structure of the lead.
Referring to fig. 7, as a preferred embodiment, the transformer high-voltage winding outgoing line structure disclosed in the embodiment of the present invention further includes an insulation assembly 600, wherein the insulation assembly 600 is disposed between the high-voltage winding 100 and the low-voltage winding 200.
The embodiment of the present invention does not limit the specific structure of the insulating assembly 600, and the structure satisfying the use requirement of the present invention is within the protection scope of the present invention.
As a preferred embodiment, the insulation assembly 600 disclosed in the embodiment of the present invention includes a first corrugated cardboard 601, a first insulating cardboard 602, a second corrugated cardboard 603, a second insulating cardboard 604, and an insulating paper slot 605, which are sequentially disposed from the outer surface of the high voltage winding 100 toward the tapping lead tap, wherein the insulating paper slot 605 has a U-shaped structure, the tapping lead tap is disposed in the U-shaped space of the insulating paper slot 605, and a third corrugated cardboard 607 is further disposed between the tapping lead tap and the low voltage winding 200. Through the arrangement of the insulation assembly 600, when the lead of the high-voltage winding 100 passes through the outer surface of the whole high-voltage winding 100, the insulation performance of the high-voltage winding of the whole transformer can be ensured.
The specific lengths and widths of the first corrugated cardboard 601, the second corrugated cardboard 603, the third corrugated cardboard 607, the second insulating cardboard 604 and the insulating paper slot 605 are not limited in the embodiment of the present invention, and the structures satisfying the use requirements of the present invention are within the protection scope of the present invention.
The height of the first, second and third corrugated cardboards 601, 603 and 607 is preferably 2.5mm, the thickness of the first and second insulating cardboards 602 and 604 is preferably 1mm, and the thickness of the insulating paper slot 605 is preferably 1 mm.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The outgoing line structure of the high-voltage winding of the transformer is characterized by comprising at least two groups of high-voltage windings arranged close to an iron core and a low-voltage winding which is arranged corresponding to the high-voltage windings and sleeved outside the high-voltage windings, wherein the head end outgoing head, the tail end outgoing head and the tapping lead outgoing head of the high-voltage winding are led out towards the top or the bottom of the high-voltage winding along the axial direction of the high-voltage winding;
the high-voltage winding comprises a first high-voltage winding, a second high-voltage winding and a third high-voltage winding;
the lead of the first high-voltage winding comprises a head end outlet A1End out of head X1And the leads of the second high-voltage winding comprise a head end lead A2End out of head X2And the leads of the third high-voltage winding comprise a head end lead A3End out of head X3And a plurality of third high-voltage winding tapping lead heads.
2. The outlet structure of the transformer high-voltage winding according to claim 1, wherein the head end outlet A1The first high-voltage winding tapping lead outlet and the second high-voltage winding tapping lead outlet are led out towards the top of the first high-voltage winding along the axial direction of the first high-voltage winding;
the tail end is out of the head X1The head end is out of the head A2The tail end is out of the head X2The head end is out of the head A3The tail end is out of the head X3And the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding along the axial direction of the third high-voltage winding.
3. The outlet structure of the transformer high-voltage winding according to claim 1, wherein the head end outlet A1The head end is out of the head A2And the head end goes out of the head A3Are all arranged at a first gear, and the head end is extended1Is led out towards the top of the first high-voltage winding, and the head end of the first high-voltage winding is led out of the first high-voltage winding2And the head end goes out of the head A3Are led out towards the bottom of the third high-voltage winding;
the tapping of the first high-voltage winding tapping lead and the tapping of the tail end X1The tail end is out of the head X2And said end-out X3Are all arranged in a second gear, the tapping heads of the tapping leads of the first high-voltage winding are led out towards the top of the first high-voltage winding, and the tail end tapping head X is1The tail end is out of the head X2And said end-out X3Are led out towards the bottom of the third high-voltage winding;
and the tapping lead outlet of the second high-voltage winding and the tapping lead outlet of the third high-voltage winding are both arranged at a third gear, the tapping lead outlet of the second high-voltage winding is led out towards the top of the first high-voltage winding, and the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding.
4. The outlet structure of the transformer high-voltage winding according to claim 1, wherein the head end outlet A1The head end is out of the head A2The first high-voltage winding tapping lead outlet and the second high-voltage winding tapping lead outlet are led out towards the top of the first high-voltage winding along the axial direction of the first high-voltage winding;
the tail end is out of the head X1The tail end is out of the head X2The head end is out of the head A3The tail end is out of the head X3And the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding along the axial direction of the third high-voltage winding.
5. The outlet junction of the high-voltage winding of the transformer of claim 1The structure is characterized in that the head end is extended from the head end A1The head end is out of the head A2And the head end goes out of the head A3Are all arranged at a first gear, and the head end is extended1And the head end goes out of the head A2Are led out towards the top of the first high-voltage winding, and the head end is led out3The third high-voltage winding is led out towards the bottom of the third high-voltage winding;
the tapping of the first high-voltage winding tapping lead and the tapping of the tail end X1The tail end is out of the head X2And said end-out X3Are all arranged in a second gear, the tapping heads of the tapping leads of the first high-voltage winding are led out towards the top of the first high-voltage winding, and the tail end tapping head X is1The tail end is out of the head X2And said end-out X3Are led out towards the bottom of the third high-voltage winding;
and the tapping lead outlet of the second high-voltage winding and the tapping lead outlet of the third high-voltage winding are both arranged at a third gear, the tapping lead outlet of the second high-voltage winding is led out towards the top of the first high-voltage winding, and the tapping lead outlet of the third high-voltage winding is led out towards the bottom of the third high-voltage winding.
6. The outlet structure of the transformer high-voltage winding according to claim 1, wherein the tapping leads of the first high-voltage winding, the tapping leads of the second high-voltage winding and the tapping leads of the third high-voltage winding are 4-8.
7. A transformer, characterized by comprising an outlet structure of a high-voltage winding of the transformer according to any one of claims 1 to 6.
8. The transformer of claim 7, further comprising an insulation assembly disposed between the high voltage winding and the low voltage winding.
9. The transformer of claim 8, wherein the insulation assembly comprises:
the first corrugated paper board, the first insulating paper board, the second corrugated paper board, the second insulating paper board and the insulating paper groove are sequentially arranged from the outer surface of the high-voltage winding to the direction of the tapping lead wire outlet;
the third corrugated paper is arranged between the tapping lead outlet and the low-voltage winding;
the insulation paper groove is of a U-shaped structure, and the tapping lead wire outlet head is arranged in the U-shaped space of the insulation paper groove.
CN202111653294.4A 2021-12-31 2021-12-31 Outgoing line structure of high-voltage winding of transformer and transformer Active CN114005660B (en)

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Publication number Priority date Publication date Assignee Title
CN102543397A (en) * 2010-12-24 2012-07-04 特变电工沈阳变压器集团有限公司 Ultrahigh-voltage large-capacity split-winding type transformer
CN205564486U (en) * 2016-03-28 2016-09-07 佛山市中研非晶科技股份有限公司 Metallic glass covers formula distribution transformer coil with oil
CN212365715U (en) * 2020-07-28 2021-01-15 辽宁华冶集团发展有限公司 Transformer coil axial outgoing line structure suitable for special environment

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Publication number Priority date Publication date Assignee Title
US11670448B2 (en) * 2018-05-07 2023-06-06 Astronics Advanced Electronic Systems Corp. System of termination of high power transformers for reduced AC termination loss at high frequency

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543397A (en) * 2010-12-24 2012-07-04 特变电工沈阳变压器集团有限公司 Ultrahigh-voltage large-capacity split-winding type transformer
CN205564486U (en) * 2016-03-28 2016-09-07 佛山市中研非晶科技股份有限公司 Metallic glass covers formula distribution transformer coil with oil
CN212365715U (en) * 2020-07-28 2021-01-15 辽宁华冶集团发展有限公司 Transformer coil axial outgoing line structure suitable for special environment

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