CN103337348B - A kind of transformer with split winding - Google Patents
A kind of transformer with split winding Download PDFInfo
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- CN103337348B CN103337348B CN201310262935.2A CN201310262935A CN103337348B CN 103337348 B CN103337348 B CN 103337348B CN 201310262935 A CN201310262935 A CN 201310262935A CN 103337348 B CN103337348 B CN 103337348B
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Abstract
The present invention relates to field transformer, particularly a kind of transformer with split winding.It is by being jointly wound on a shaping cardboard cylinder respectively by two groups of low pressure windings, two groups of high pressure windings and two groups of tap-changing windings, the outlet passage of core insulation as high pressure winding is increased between two groups of tap-changing windings, therefore structure is more simple, arrangement is more tight, suit is convenient, the volume of transformer with split winding can be effectively reduced, and improve electric and mechanical strength; By low pressure winding is adopted continuous structure, winding hop count is odd number, and outlet, low pressure two ends is all positioned at the side near the first shaping cardboard cylinder, easy to operate and be exaggerated the insulation distance of outlet wire of low voltage winding to high pressure winding, more safe and reliable, and the size of 110kV level transformer with split winding device body can be effectively reduced, reduction volume of transformer, save material consumption, reduces cost.
Description
(1) technical field
The present invention relates to field transformer, particularly a kind of transformer with split winding.
(2) background technology
At present, in the 110kV level transformer with split winding used, low pressure winding, high pressure winding, tap-changing windings are all independent coilings, are set with separately, and suit is inconvenient, electric and bad mechanical strength; Division step-down pressure winding hop count all adopts even number section, and the outlet of low pressure two ends is at the outside diameter of winding, and the size of 110kV level transformer with split winding device body is larger, and cost compare is high.
(3) summary of the invention
The present invention, in order to make up the defect of prior art, provides that a kind of intensity is high, volume is little, the transformer with split winding that cost is low.
The present invention is achieved through the following technical solutions:
A kind of transformer with split winding, comprise transformer core, first group of winding of the first low pressure winding be arranged above and below and the second low pressure winding composition, second group of winding of the first high pressure winding be arranged above and below and the second high pressure winding composition, 3rd group of winding of the first tap-changing windings be arranged above and below and the second tap-changing windings composition, above-mentioned three groups of windings are arranged in order around iron core from inside to outside, top board and bottom plate is respectively equipped with at the two ends up and down of all windings, shaping square ring is provided with between top board and the first high pressure winding, it is characterized in that: described first low pressure winding and the second low pressure winding are wound on the first shaping cardboard cylinder jointly, first high pressure winding and the second high pressure winding are wound on the second shaping cardboard cylinder jointly, first tap-changing windings and the second tap-changing windings are wound on the 3rd shaping cardboard cylinder jointly.
Described first low pressure winding and the second low pressure winding adopt continuous structure, and winding hop count is odd number, and outlet, low pressure two ends is all positioned at the side near the first shaping cardboard cylinder.
The core insulation as the first high pressure winding and the common outlet passage of the second high pressure winding is provided with between described first tap-changing windings and the second tap-changing windings, described core insulation be two-layer paper web surround ring-type, between two-layer paper web for stay and the insulation system rivetted by insulated rivet, the passway of described outlet passage is positioned on the sidewall of described core insulation.
The invention has the beneficial effects as follows:
1, two groups of low pressure windings, two groups of high pressure windings and two groups of tap-changing windings are wound on a shaping cardboard cylinder respectively jointly, therefore structure is more simple, arrangement is more tight, suit is convenient, the volume of transformer with split winding can be effectively reduced, and improve electric and mechanical strength.
2, low pressure winding adopts continuous structure, winding hop count is odd number, and the outlet of low pressure two ends is all near the side outlet of the first shaping cardboard cylinder, easy to operate and be exaggerated the insulation distance of outlet wire of low voltage winding to high pressure winding, more safe and reliable, and the size of 110kV level transformer with split winding device body can be effectively reduced, reduction volume of transformer, save material consumption, reduces cost.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is the cross section structure schematic diagram of core insulation;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is the assembly drawing of low pressure winding;
Fig. 5 be low pressure winding go out line chart.
In figure, 1 transformer core, 2 first low pressure windings, 3 second low pressure windings, 4 first high pressure windings, 5 second high pressure windings, 6 first tap-changing windings, 7 second tap-changing windings, 8 top boards, 9 bottom plates, 10 shaping square rings, 11 first shaping cardboard cylinders, 12 second shaping cardboard cylinders, 13 the 3rd shaping cardboard cylinders, 14 outlet, low pressure two ends, 15 core insulations, 16 paper webs, 17 stays, 18 passwaies, 19 insulated rivet.
(5) embodiment
Accompanying drawing is specific embodiments of the invention.As shown in Figures 1 to 5, a kind of transformer with split winding, comprise the transformer core 1 of three pillar type, first group of winding of the first low pressure winding 2 be arranged above and below and the second low pressure winding 3 composition, second group of winding of the first high pressure winding 4 be arranged above and below and the second high pressure winding 5 composition, 3rd group of winding of the first tap-changing windings 6 be arranged above and below and the second tap-changing windings 7 composition, above-mentioned three groups of windings are arranged in order around iron core from inside to outside, top board 8 and bottom plate 9 is respectively equipped with at the two ends up and down of all windings, shaping square ring 10 is provided with between top board 7 and the first high pressure winding 4, it is characterized in that: described first low pressure winding 2 and the second low pressure winding 3 are wound on the first shaping cardboard cylinder 11 jointly, first high pressure winding 4 and the second high pressure winding 5 are wound on the second shaping cardboard cylinder 12 jointly, first tap-changing windings 6 and the second tap-changing windings 7 are wound on the 3rd shaping cardboard cylinder 13 jointly.Wherein the first low pressure winding 2 and the first high pressure winding 4 are a pair winding, can separately with the use of; Second low pressure winding 3 and the second high pressure winding 5 are other a pair winding, also can separately with the use of, and these two pairs of windings can also use jointly, the first tap-changing windings 6 is tap-changing windings of the first high pressure winding 4, and the second tap-changing windings 7 is tap-changing windings of the second high pressure winding 5
As shown in Figure 4, Figure 5, the first low pressure winding 2 and the second low pressure winding 3 adopt continuous structure, and winding hop count is odd number, and outlet, low pressure two ends 14 is all positioned at the side near the first shaping cardboard cylinder 11.
The core insulation 15 as the first high pressure winding 4 and the common outlet passage of the second high pressure winding 5 is provided with between the first tap-changing windings 6 and the second tap-changing windings 7, as shown in Figure 2, described core insulation 15 be two-layer paper web 16 surround ring-type, between two-layer paper web 16 for stay 17 and the insulation system rivetted by insulated rivet 19, as shown in Figure 3, the passway 18 of outlet passage is positioned on the sidewall of described core insulation 15; First low pressure winding 2, second low pressure winding 3 and the first high pressure winding 4, second high pressure winding 5 pass through oil clearance and shaping square ring 10 coordinated insulation of paper web 16.
Except technical characteristic described in specification, all the other technical characteristics are those skilled in the art's known technology.
Claims (3)
1. a transformer with split winding, comprise transformer core (1), first group of winding that the first low pressure winding (2) be arranged above and below and the second low pressure winding (3) form, second group of winding that the first high pressure winding (4) be arranged above and below and the second high pressure winding (5) form, the 3rd group of winding that the first tap-changing windings (6) be arranged above and below and the second tap-changing windings (7) form, above-mentioned three groups of windings are arranged in order around iron core from inside to outside, top board (8) and bottom plate (9) is respectively equipped with at the two ends up and down of all windings, shaping square ring (10) is provided with between top board (8) and the first high pressure winding (4), it is characterized in that: described first low pressure winding (2) and the second low pressure winding (3) are wound on the first shaping cardboard cylinder (10) jointly, first high pressure winding (4) and the second high pressure winding (5) are wound on the second shaping cardboard cylinder (11) jointly, first tap-changing windings (6) and the second tap-changing windings (7) are wound on the 3rd shaping cardboard cylinder (12) jointly.
2. transformer with split winding according to claim 1, it is characterized in that, described first low pressure winding (2) and the second low pressure winding (3) adopt continuous structure, and hop count chooses odd number section, and outlet, low pressure two ends (14) is all positioned at the side near the first shaping cardboard cylinder (11).
3. transformer with split winding according to claim 1 and 2, it is characterized in that, the core insulation (15) as the first high pressure winding (4) and the common outlet passage of the second high pressure winding (5) is provided with between described first tap-changing windings (6) and the second tap-changing windings (7), be stay (17) and the insulation system rivetted by insulated rivet (19) between the ring-type that described core insulation (15) surrounds for two-layer paper web (16), two-layer paper web (16), the passway (18) of described outlet passage is positioned on the sidewall of described core insulation (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262935.2A CN103337348B (en) | 2013-06-28 | 2013-06-28 | A kind of transformer with split winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262935.2A CN103337348B (en) | 2013-06-28 | 2013-06-28 | A kind of transformer with split winding |
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| Publication Number | Publication Date |
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| CN103337348A CN103337348A (en) | 2013-10-02 |
| CN103337348B true CN103337348B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310262935.2A Active CN103337348B (en) | 2013-06-28 | 2013-06-28 | A kind of transformer with split winding |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377001A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | High-voltage transformer winding with automatic pressing cushion block devices |
| CN104377000A (en) * | 2014-11-28 | 2015-02-25 | 苏州市吴中区大陆电子设备厂 | Short circuit prevention high-voltage transformer winding |
| CN104752035B (en) * | 2015-04-14 | 2016-08-24 | 保定天威集团特变电气有限公司 | A kind of machine body structure of the double division power transformer of 220kV level Large Copacity |
| CN106816294B (en) * | 2015-11-30 | 2019-03-01 | 特变电工沈阳变压器集团有限公司 | A kind of double high pressures share the Multifunction transformer of a voltage regulation coil |
| CN109767899A (en) * | 2017-11-09 | 2019-05-17 | 特变电工山东沈变电气设备有限公司 | A kind of double transformer with split winding outlet structures |
| CN109378195A (en) * | 2018-11-30 | 2019-02-22 | 中电电气(江苏)股份有限公司 | A wide range of pressure regulation intermediate transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615495A (en) * | 2009-05-22 | 2009-12-30 | 山东达驰电气有限公司 | A kind of structure of transformer body |
| CN102364629A (en) * | 2011-09-30 | 2012-02-29 | 山东电力设备有限公司 | Double-U-shaped coil |
| CN202178139U (en) * | 2011-08-16 | 2012-03-28 | 山东晨宇电气股份有限公司 | Two-split rectifier transformer |
| CN102881430A (en) * | 2012-09-25 | 2013-01-16 | 济南济变志亨电力设备有限公司 | On-load voltage regulation and capacity regulation transformer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57134909A (en) * | 1981-02-16 | 1982-08-20 | Hitachi Ltd | Split winding transformer |
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2013
- 2013-06-28 CN CN201310262935.2A patent/CN103337348B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615495A (en) * | 2009-05-22 | 2009-12-30 | 山东达驰电气有限公司 | A kind of structure of transformer body |
| CN202178139U (en) * | 2011-08-16 | 2012-03-28 | 山东晨宇电气股份有限公司 | Two-split rectifier transformer |
| CN102364629A (en) * | 2011-09-30 | 2012-02-29 | 山东电力设备有限公司 | Double-U-shaped coil |
| CN102881430A (en) * | 2012-09-25 | 2013-01-16 | 济南济变志亨电力设备有限公司 | On-load voltage regulation and capacity regulation transformer |
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| CN103337348A (en) | 2013-10-02 |
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