CN203644527U - Built-in lead resin insulation dry-type transformer with power supplied by single-triple voltages - Google Patents

Built-in lead resin insulation dry-type transformer with power supplied by single-triple voltages Download PDF

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Publication number
CN203644527U
CN203644527U CN201320895111.4U CN201320895111U CN203644527U CN 203644527 U CN203644527 U CN 203644527U CN 201320895111 U CN201320895111 U CN 201320895111U CN 203644527 U CN203644527 U CN 203644527U
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China
Prior art keywords
binding post
built
type transformer
winding
electrically connected
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Expired - Lifetime
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CN201320895111.4U
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Chinese (zh)
Inventor
周华
郑淑芳
丁春红
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Wolong Electric Drive Group Co Ltd
Wolong Electric Group Beijing Huatai Transformer Co Ltd
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Wolong Electric Group Co Ltd
Wolong Electric Group Beijing Huatai Transformer Co Ltd
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Priority to CN201320895111.4U priority Critical patent/CN203644527U/en
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Abstract

The utility mode provides a built-in lead resin insulation dry-type transformer with power supplied by single-triple voltages, and relates to dry-type transformers. At present, a 10 kV dry-type transformer and a 35 kV dry-type transformer are used for independently providing power respectively, once investment is large, and using is inconvenient. The built-in lead resin insulation dry-type transformer with the power supplied by the single-triple voltages is characterized in that one-time side coils which are arranged on a first core limb, a second core limb and a third core limb in a sleeved mode respectively comprise a first winding section, a second winding section and a third winding section which are sequentially arrayed up and down, the head ends and the tail ends of the first winding sections, the head ends and the tail ends of the second winding sections and the head ends and the tail ends of the third winding sections are all led out to wiring terminals through connecting wires which are arranged in an insulation pouring layer in a built-in mode, and the wiring terminals are electrically connected through detachable first connecting plates. When the three winding sections are in parallel connection, the built-in lead resin insulation dry-type transformer is used for single voltage power supply, and when the three winding sections are in series connection, the built-in lead resin insulation dry-type transformer is used for triple voltage power supply. Outside connecting wires are little, the wiring terminals are connected through the first connecting plates, switching is convenient, and the reliability is high.

Description

A kind of resin insulating dry type transformer of the built-in list-tri-times power voltage supply that goes between
Technical field
The utility model relates to a kind of dry-type transformer.
Background technology
At present, in the electric power system of dry-type transformer, transform to 35kV power supply by 10kV power supply, generally adopt two specifications to be respectively the dry-type transformer of 10kV and the dry-type transformer of 35kV is powered separately, one-time investment is large, uses inconvenient.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that prior art scheme is improved and improved, and provides a kind of resin insulating dry type transformer of the built-in list-tri-times power voltage supply that goes between, low with cost, easy to use object.For this reason, the utility model is taked following technical scheme.
A kind of resin insulating dry type transformer of the built-in list-tri-times power voltage supply that goes between, comprise support, be located at iron core on support, be sleeved on first siding ring, second siding ring on iron core, described first siding ring and second siding ring are insulation resin cast-type coil; Described iron core comprises first, second, third core limb, it is characterized in that: the first siding ring that is coated at first, second, third core limb includes the first winding segments, the second winding segments, the tertiary winding section that are arranged in order up and down, the first and last end of described the first winding segments, the second winding segments, tertiary winding section all leads to binding post by the connecting line that is built in insulation pouring layer, between binding post by the first connecting plate electrical connection that can dismantle.In the time that three windings connect as parallel connection for single times of power voltage supply, when three windings connect into when series connection, for three times of power voltage supplies.Aerial lug is few, between binding post, connects by the first connecting plate, and easy switching, reliability is high.
As the further of technique scheme improved and supplemented, the utility model also comprises following additional technical feature.
The head end of the first winding segments is electrically connected with the first binding post, the end of the first winding segments is electrically connected with the second binding post, the head end of the second winding segments and the 3rd binding post, the 5th binding post electrical connection, the end of the second winding segments and the 4th binding post, the 6th binding post electrical connection, the head end of tertiary winding section is electrically connected with the 7th binding post, the end of tertiary winding section and the 8th binding post, the 9th binding post electrical connection, the first described binding post, the second binding post is positioned at first row, the 3rd binding post, the 4th binding post is positioned at second row, the 5th binding post, the 6th binding post is positioned at the 3rd row, the 7th binding post, the 8th binding post is positioned at the 4th row, first row binding post is adjacent with second row binding post, the 3rd row's binding post is adjacent with the 4th row's binding post, the distance of the distance of the first binding post to the three binding posts and the second binding post to the four binding posts, the distance of the second binding post to the three binding posts, the distance of the 5th binding post to the seven binding posts, the distance of the 6th binding post to the eight binding posts, the distance of the 6th binding post to the seven binding posts equates.Easy-to-connect, a kind of the first connecting plate of specification just can be realized each other and connecting, and series-parallel conversion is convenient, uses flexibly.
Second siding ring also comprises additional winding.Additional winding is for meeting the switching of non-integral multiple.
Described additional winding is positioned at the top of the first winding segments, additional winding leads to binding post by the connecting line that is built in insulation pouring layer, additional winding head end is electrically connected with the tenth binding post, the end of additional winding is electrically connected with the 11 binding post, and the 12 binding post is electrically connected with the tenth binding post or the 11 binding post by the second connecting plate.
The 11 described binding post and the distance of the 12 binding post equal the distance of the tenth binding post and the 12 binding post.The second connecting plate of specification can be realized access or not access an object for additional winding, easy to use.
The second described connecting plate is copper bar, and its two ends are evagination arc-shaped edges, and two arc-shaped edges are connected by parallel straight flange, and the second connecting plate is provided with the circular hole that two energy are connected with binding post.
The length of the second connecting plate is less than the length of the first connecting plate.
The 11 binding post on the first core limb is electrically connected with the 9th binding post on the 3rd core limb; The 11 binding post on the second core limb is electrically connected with the 9th binding post on the first core limb; The 11 binding post on the 3rd core limb is electrically connected with the 9th binding post on the second core limb.
Described the first winding segments, the second winding segments, tertiary winding section are identical winding segments.Can realize the switching of integral multiple, and convenient operation, during as assembling, because winding is identical, just without explanation, and avoid makeing mistakes.
The first described connecting plate is copper bar, and its two ends are evagination arc-shaped edges, and two arc-shaped edges are connected by parallel straight flange, and the first connecting plate is provided with the circular hole that two energy are connected with binding post.The arc-shaped edges at two ends, because of without right angle, scratches while avoiding operating, also avoids interfering.
Beneficial effect: in the time that three windings connect as parallel connection for single times of power voltage supply, in the time that three windings connect as series connection, for three times of power voltage supplies, a transformer can be received on the electrical network of three times of left and right of voltage phase difference, realize two functions that transformation is strong, compare two transformers, the utlity model has production, maintenance cost is low, volume is little, transportation, advantage easy for installation, the connection in series-parallel connecting line simultaneously adopting due to the utility model is built-in cast-type, avoid the switching wire of coil outside many, the handover operation that greatly improved convenience, guarantee insulation distance, improve the operational reliability of transformer.
Accompanying drawing explanation
Fig. 1 is the structural representation that the windings in series of the coil of the utility model in the time that line voltage is three times connects.
Fig. 2 is the structural representation that the winding parallel of the coil of the utility model in the time that line voltage is single times connects.
Fig. 3 is elementary diagram of the present utility model.
In figure: 1-support; 2-iron core; 201-the first core limb; 202-the second core limb; 203-the 3rd core limb; 3-the first winding segments; 4-the second winding segments; 5-tertiary winding section; 6-the first binding post; 7-the second binding post; 8-the 3rd binding post; 9-the 4th binding post; 10-the 5th binding post; 11-the 6th binding post; 12-the 7th binding post; 13-the 8th binding post; 14-the 9th binding post; 15-the tenth binding post; 16-the 11 binding post; 17-the 12 binding post; 18-the first connecting plate; 19-the second connecting plate; 20-adds winding; 21-the first wire; 22-the second wire; 23-privates; 24-privates; 25-the 5th wire; 26-the 6th wire; 27-the 7th wire; 28-the 8th wire.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
The utility model comprises support 1, be located at iron core 2 on support 1, be sleeved on first siding ring, second siding ring on iron core, and described first siding ring and second siding ring are insulation resin cast-type coil; Described iron core 2 comprises first, second, third core limb 201,202,203, it is characterized in that: the first siding ring that is coated at first, second, third core limb 201,202,203 includes the additional winding 20, the first winding segments 3, the second winding segments 4, the tertiary winding section 5 that are arranged in order up and down, the first and last end of described the first winding segments 3, the second winding segments 4, tertiary winding section 5 all leads to binding post by the connecting line that is built in insulation pouring layer, between binding post, is electrically connected by the first connecting plate 18 that can dismantle.
The head end of the first winding segments 3 is electrically connected with the first binding post 6, the end of the first winding segments 3 is electrically connected with the second binding post 7, the head end of the second winding segments 4 is electrically connected with the 3rd binding post 8, the 5th binding post 10, the end of the second winding segments 4 is electrically connected with the 4th binding post 9, the 6th binding post 11, the head end of tertiary winding section 5 is electrically connected with the 7th binding post 12, and the end of tertiary winding section 5 is electrically connected with the 8th binding post 13, the 9th binding post 14.Additional winding 20 head ends are electrically connected with the tenth binding post 15, and the end of additional winding 20 is electrically connected with the 11 binding post 16, and the 12 binding post 17 is electrically connected with the tenth binding post the 15 or the 11 binding post 16 by the second connecting plate 19.
For easy-to-connect, a kind of the first connecting plate 18 of specification just can be realized each other and connecting, series-parallel conversion is convenient, use flexibly, the first described binding post 6, the second binding post 7 is positioned at first row, the 3rd binding post 8, the 4th binding post 9 is positioned at second row, the 5th binding post 10, the 6th binding post 11 is positioned at the 3rd row, the 7th binding post 12, the 8th binding post 13 is positioned at the 4th row, first row binding post is adjacent with second row binding post, the 3rd row's binding post is adjacent with the 4th row's binding post, the distance of the first binding post 6 to the distance of the 3rd binding post 8 and the second binding post 7 to the 4th binding post 9, the second binding post 7 is to the distance of the 3rd binding post 8, the 5th binding post 10 is to the distance of the 7th binding post 12, the 6th binding post 11 is to the distance of the 8th binding post 13, the 6th binding post 11 to the distance of the 7th binding post 12 equates.
Can realize access or not access the object of adding winding 20 for a kind of the second connecting plate 19 of specification, improve the convenience using.The 11 described binding post 16 and the distance of the 12 binding post 17 equal the distance of the tenth binding post 15 and the 12 binding post 17.
The 11 binding post 16 on the first core limb 201 is electrically connected with the 9th binding post 14 on the 3rd core limb 203; The 11 binding post on the second core limb 202 is electrically connected with the 9th binding post 14 on the first core limb 201; The 11 binding post 16 on the 3rd core limb 203 is electrically connected with the 9th binding post 14 on the second core limb 202.
Described the first connecting plate 18, the second connecting plate 19 are copper bar, and its two ends are evagination arc-shaped edges, and two arc-shaped edges are connected by parallel straight flange, and the first connecting plate 18, the second connecting plate 19 are provided with the circular hole that two energy are connected with binding post.For the ease of assembling, the length of the second connecting plate 19 is less than the length of the first connecting plate 18.
For realizing the switching of integral multiple, and convenient operation, avoid makeing mistakes.Described the first winding segments 3, the second winding segments 4, tertiary winding section 5 are identical winding segments.
By reference to the accompanying drawings the utility model is described as follows with the example that mutually switches to of the line voltage of 10kV and 35kV below:
As Fig. 1, shown in 3, in the time of line voltage be 10kV the 35kV of approximately three times, three windings that structure is identical of coil, need to be together in series, its exit is respectively by the first wire 21 and the second wire 22, privates 23 and privates 24 and the 5th wire 25 and the inner cast of the 6th wire 26 are drawn, leading-out terminal is first, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the 8th, the 9th binding post 6, 7, 8, 9, 10, 11, 12, 13, 14, adopt copper bar as the first connecting plate 18, be connected in series according to the connected mode shown in Fig. 1, additional winding 20 exits are drawn by the 7th wire 27 and the inner cast of the 8th wire 28 respectively, leading-out terminal is the tenth, the 11 binding post 15,16, realize series connection by copper bar 3 as the second connecting plate 19, after three-phase coil is connected into triangle, forms tri-networking terminations of ABC and enter 35kV electrical network.
Accompanying drawing 2 is structural representations that the winding parallel of the coil of the utility model in the time that line voltage is single times connects, in the time that line voltage is 10kV, three windings that structure is identical of coil, need to be together in parallel, and are connected in parallel according to the connected mode shown in Fig. 2; Additional winding 20 does not need to be cascaded, and between the 11 binding post 16 and the tenth binding post 15, is connected by copper bar 3, after three-phase coil is connected into triangle, forms tri-networking terminations of ABC and enters 35kV electrical network.
10kV and the 35kV electrical network of China are main electrical network at present, and above-mentioned enforcement has the technical characterstic that the utility model has, and can in the transformer production of dry-type transformer industry, be widely used.
A kind of resin insulating dry type transformer that goes between built-in list-tri-times power voltage supply shown in above Fig. 1-3 is specific embodiment of the utility model; the utility model substantive distinguishing features and progress are embodied; can be according to actual use needs; under enlightenment of the present utility model; it is carried out to the equivalent modifications of the aspects such as shape, structure, all at the row of the protection range of this programme.

Claims (10)

1. the resin insulating dry type transformer of built-in list-tri-times power voltage supply that goes between, comprise support (1), be located at iron core (2) on support (1), be sleeved on first siding ring, second siding ring on iron core, described first siding ring and second siding ring are insulation resin cast-type coil, described iron core (2) comprises first, second, the 3rd core limb (201, 202, 203), it is characterized in that: be coated at first, second, the 3rd core limb (201, 202, 203) first siding ring includes the first winding segments (3) being arranged in order up and down, the second winding segments (4), tertiary winding section (5), described the first winding segments (3), the second winding segments (4), the first and last end of tertiary winding section (5) all leads to binding post by the connecting line that is built in insulation pouring layer, between binding post, be electrically connected by the first connecting plate (18) that can dismantle.
2. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 1, it is characterized in that: the head end of the first winding segments (3) is electrically connected with the first binding post (6), the end of the first winding segments (3) is electrically connected with the second binding post (7), the head end of the second winding segments (4) and the 3rd binding post (8), the 5th binding post (10) electrical connection, the end of the second winding segments (4) and the 4th binding post (9), the 6th binding post (11) electrical connection, the head end of tertiary winding section (5) is electrically connected with the 7th binding post (12), the end of tertiary winding section (5) and the 8th binding post (13), the 9th binding post (14) electrical connection, described the first binding post (6), the second binding post (7) is positioned at first row, the 3rd binding post (8), the 4th binding post (9) is positioned at second row, the 5th binding post (10), the 6th binding post (11) is positioned at the 3rd row, the 7th binding post (12), the 8th binding post (13) is positioned at the 4th row, first row binding post is adjacent with second row binding post, the 3rd row's binding post is adjacent with the 4th row's binding post, the distance of the first binding post (6) to the distance of the 3rd binding post (8) and the second binding post (7) to the 4th binding post (9), the second binding post (7) is to the distance of the 3rd binding post (8), the 5th binding post (10) is to the distance of the 7th binding post (12), the 6th binding post (11) is to the distance of the 8th binding post (13), the 6th binding post (11) to the distance of the 7th binding post (12) equates.
3. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 2, is characterized in that: second siding ring also comprises additional winding (20).
4. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 3, it is characterized in that: described additional winding (20) is positioned at the top of the first winding segments (3), additional winding (20) leads to binding post by the connecting line that is built in insulation pouring layer, additional winding (20) head end is electrically connected with the tenth binding post (15), the end of additional winding (20) is electrically connected with the 11 binding post (16), the 12 binding post (17) is electrically connected with the tenth binding post (15) or the 11 binding post (16) by the second connecting plate (19).
5. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 4, is characterized in that: the 11 described binding post (16) and the distance of the 12 binding post (17) equal the distance of the tenth binding post (15) and the 12 binding post (17).
6. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 5, it is characterized in that: described the second connecting plate (19) is copper bar, its two ends are evagination arc-shaped edges, two arc-shaped edges are connected by parallel straight flange, and the second connecting plate (19) is provided with the circular hole that two energy are connected with binding post.
7. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 6, is characterized in that: the length of the second connecting plate (19) is less than the length of the first connecting plate (18).
8. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 5, is characterized in that: the 11 binding post (16) on the first core limb (201) is electrically connected with the 9th binding post (14) on the 3rd core limb (203); The 11 binding post on the second core limb (202) is electrically connected with the 9th binding post (14) on the first core limb (201); The 11 binding post (16) on the 3rd core limb (203) is electrically connected with the 9th binding post (14) on the second core limb (202).
9. according to the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between described in the arbitrary claim of claim 1-8, it is characterized in that: described the first winding segments (3), the second winding segments (4), tertiary winding section (5) are identical winding segments.
10. the resin insulating dry type transformer of a kind of built-in list-tri-times power voltage supply that goes between according to claim 9, it is characterized in that: described the first connecting plate (18) is copper bar, its two ends are evagination arc-shaped edges, two arc-shaped edges are connected by parallel straight flange, and the first connecting plate (18) is provided with the circular hole that two energy are connected with binding post.
CN201320895111.4U 2013-12-31 2013-12-31 Built-in lead resin insulation dry-type transformer with power supplied by single-triple voltages Expired - Lifetime CN203644527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320895111.4U CN203644527U (en) 2013-12-31 2013-12-31 Built-in lead resin insulation dry-type transformer with power supplied by single-triple voltages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320895111.4U CN203644527U (en) 2013-12-31 2013-12-31 Built-in lead resin insulation dry-type transformer with power supplied by single-triple voltages

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CN203644527U true CN203644527U (en) 2014-06-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719803A (en) * 2016-04-12 2016-06-29 泉州市元华电子科技有限公司 Wiring structure improvement of transformer and submerged pump adopting structure improvement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719803A (en) * 2016-04-12 2016-06-29 泉州市元华电子科技有限公司 Wiring structure improvement of transformer and submerged pump adopting structure improvement
CN105719803B (en) * 2016-04-12 2018-09-18 福建元华泵业有限公司 A kind of wiring construction of transformer
CN108922753A (en) * 2016-04-12 2018-11-30 福建元华泵业有限公司 A kind of Novel submersible pump
CN109087792A (en) * 2016-04-12 2018-12-25 福建元华泵业有限公司 A kind of transformer conducive to wiring and the immersible pump using the transformer

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Granted publication date: 20140611

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