CN204010974U - The high-tension coil of dual-voltage dry type power transformer - Google Patents
The high-tension coil of dual-voltage dry type power transformer Download PDFInfo
- Publication number
- CN204010974U CN204010974U CN201420392111.7U CN201420392111U CN204010974U CN 204010974 U CN204010974 U CN 204010974U CN 201420392111 U CN201420392111 U CN 201420392111U CN 204010974 U CN204010974 U CN 204010974U
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- Prior art keywords
- end connector
- epimere
- hypomere
- tension coil
- coil winding
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- 238000004804 winding Methods 0.000 claims abstract description 40
- 238000009826 distribution Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to the high-tension coil of double-voltage dry type distribution transformer, comprise the upper semisection high-tension coil winding and the lower semisection high-tension coil winding that are sleeved on same iron core, it is characterized in that: upper semisection high-tension coil winding has epimere First end connector, epimere the second head end joint, epimere the first end connector and epimere the second end connector; Lower semisection high-tension coil winding has hypomere First end connector, hypomere the second head end joint, hypomere the first end connector and hypomere the second end connector; Between epimere First end connector and epimere the second head end joint, between epimere the first end connector and epimere the second end connector, between epimere the second head end joint and epimere the first end connector, between hypomere First end connector and hypomere the second head end joint, between hypomere the first end connector and hypomere the second end connector, all can pass through brace conducting between hypomere the second head end joint and hypomere the first end connector.The utility model cost of investment is low, economize on resources.
Description
Technical field
The utility model relates to a kind of dry-type distribution transformer coil, and specifically a kind of high-tension coil of double-voltage dry type distribution transformer, belongs to transformer technology field.
Background technology
In prior art, every phase winding of 10.5kV dry-type distribution transformer high-tension coil is divided into four segment structures and is coiled into, and section separates with section cross-over block, and high pressure winding is copper conductor coiling, uses glass fibre vacuum casting technique.But this high-tension coil primary side voltage can only be 10.5kV, cannot reach 6.3kV and freely switch in client's use procedure.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of high-tension coil of dual-voltage dry type power transformer is provided, it is simple in structure, can realize respectively 6.3kV or the input of 10.5kV electric pressure, the needs that meet electrical network transition transformation, reduction cost of investment, economize on resources.
The technical scheme providing according to the utility model: the high-tension coil of double-voltage dry type distribution transformer, comprise the upper semisection high-tension coil winding and the lower semisection high-tension coil winding that are sleeved on same iron core, between upper semisection high-tension coil winding and lower semisection high-tension coil winding, by cross-over block, separate, upper semisection high-tension coil winding and lower semisection high-tension coil winding are up and down and are arranged symmetrically with, and it is characterized in that: described upper semisection high-tension coil winding has epimere First end connector, epimere the second head end joint, epimere the first end connector and epimere the second end connector; Described lower semisection high-tension coil winding has hypomere First end connector, hypomere the second head end joint, hypomere the first end connector and hypomere the second end connector; Also is furnished with brace, between epimere First end connector and epimere the second head end joint, between epimere the first end connector and epimere the second end connector, between epimere the second head end joint and epimere the first end connector, between hypomere First end connector and hypomere the second head end joint, between hypomere the first end connector and hypomere the second end connector, all can be connected conducting by brace between hypomere the second head end joint and hypomere the first end connector.
As further improvement of the utility model, described brace one end is provided with the first connecting hole, the other end is provided with the second connecting hole, distance between distance between described the first connecting hole and the second connecting hole and epimere First end connector and epimere the second head end joint, distance between epimere the first end connector and epimere the second end connector, distance between epimere the second head end joint and epimere the first end connector, distance between hypomere First end connector and hypomere the second head end joint, distance between hypomere the first end connector and hypomere the second end connector, hypomere the second head end joint all can coordinate with the distance between hypomere the first end connector.
As further improvement of the utility model, described the second connecting hole is long kidney-shaped hole.
the utility model compared with prior art, has the following advantages: the utility modelsimple in structure, by adopting different connected modes, can realize respectively 6.3kV or the input of 10.5kV electric pressure, user both can use this product as 6.3kV product, also can use as 10.5kV product, greatly reduce user's cost of investment, save resource, meet the needs of electrical network transition transformation, the waste of the 6.3kV electric pressure distribution transformer changing after having avoided the transitional period to complete.
Accompanying drawing explanation
Fig. 1 is that the utility model embodiment realizes the 10.5kV electric pressure wiring schematic diagram in when input.
Fig. 2 is that the utility model embodiment realizes the 6.3kV electric pressure wiring schematic diagram in when input.
Fig. 3 is the structural representation of brace in the utility model embodiment.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure, the high-tension coil of the double-voltage dry type distribution transformer in embodiment comprises upper semisection high-tension coil winding 1 and the lower semisection high-tension coil winding 2 being sleeved on same iron core, between upper semisection high-tension coil winding 1 and lower semisection high-tension coil winding 2, by cross-over block, separate, upper semisection high-tension coil winding 1 is up and down and is arranged symmetrically with lower semisection high-tension coil winding 2; Described upper semisection high-tension coil winding 1 has epimere First end connector 1a, epimere the second head end joint 1b, epimere the first end connector 1c and epimere the second end connector 1d; Described lower semisection high-tension coil winding 2 has hypomere First end connector 2a, hypomere the second head end joint 2b, hypomere the first end connector 2c and hypomere the second end connector 2d; Also is furnished with in addition brace 3, between epimere First end connector 1a and epimere the second head end joint 1b, between epimere the first end connector 1c and epimere the second end connector 1d, between epimere the second head end joint 1b and epimere the first end connector 1c, between hypomere First end connector 2a and hypomere the second head end joint 2b, between hypomere the first end connector 2c and hypomere the second end connector 2d, all can be connected conducting by brace 3 between hypomere the second head end joint 2b and hypomere the first end connector 2c.
As shown in Figure 3, in the utility model embodiment, described brace 3 one end are provided with the first connecting hole 3a, the other end is provided with the second connecting hole 3b, distance between distance between described the first connecting hole 3a and the second connecting hole 3b and epimere First end connector 1a and epimere the second head end joint 1b, distance between epimere the first end connector 1c and epimere the second end connector 1d, distance between epimere the second head end joint 1b and epimere the first end connector 1c, distance between hypomere First end connector 2a and hypomere the second head end joint 2b, distance between hypomere the first end connector 2c and hypomere the second end connector 2d, hypomere the second head end joint 2b all can coordinate with the distance between hypomere the first end connector 2c.Further, the second connecting hole 3b on described brace 3 is preferably set to long kidney-shaped hole, can promote like this versatility of brace 3.
Concrete applicable cases of the present utility model is as follows:
The utility model can change according to the needed voltage request of client the connected mode of brace 3:
When needs 10.5kV electric pressure is inputted, as shown in Figure 1, in upper semisection high-tension coil winding 1, epimere the second head end joint 1b is connected by brace 3 with epimere the first end connector 1c; In lower semisection high-tension coil winding 2, hypomere the second head end joint 2b is connected by brace 3 with hypomere the first end connector 2c; So just upper semisection high-tension coil winding 1 and lower semisection high-tension coil winding 2 are connected in series, can make the utility model input with 10.5kV electric pressure.
When needs 10.5kV electric pressure is inputted, as shown in Figure 2, in upper semisection high-tension coil winding 1, epimere First end connector 1a is connected by brace 3 with epimere the second head end joint 1b, and epimere the first end connector 1c is connected by brace 3 with epimere the second end connector 1d; In lower semisection high-tension coil winding 2, hypomere First end connector 2a is connected by brace 3 with hypomere the second head end joint 2b, and hypomere the first end connector 2c is connected by brace 3 with hypomere the second end connector 2d; So just upper semisection high-tension coil winding 1 and lower semisection high-tension coil winding 2 are connected in parallel, can make the utility model input with 6.3kV electric pressure.
In the utility model embodiment, upper semisection high-tension coil winding 1 is separate with lower semisection high-tension coil winding 2, is all by copper conductor coiling, uses the manufacture of glass fibre vacuum casting technique to form.For convenience of coiling and assembling, it is structurally designed to two sections of upper and lower symmetric forms of coil, and on a mould, completes coiling and casting.In high-tension coil design process, rationally adjust the distribution of coil segment and layer, thereby improve the distribution of electric field, avoided local field strength too high, in theory partial discharge is down to minimum value.
Claims (3)
1. the high-tension coil of double-voltage dry type distribution transformer, comprise the upper semisection high-tension coil winding (1) and the lower semisection high-tension coil winding (2) that are sleeved on same iron core, between upper semisection high-tension coil winding (1) and lower semisection high-tension coil winding (2), by cross-over block, separate, upper semisection high-tension coil winding (1) is up and down and is arranged symmetrically with lower semisection high-tension coil winding (2), it is characterized in that: described upper semisection high-tension coil winding (1) has epimere First end connector (1a), epimere the second head end joint (1b), epimere the first end connector (1c) and epimere the second end connector (1d), described lower semisection high-tension coil winding (2) has hypomere First end connector (2a), hypomere the second head end joint (2b), hypomere the first end connector (2c) and hypomere the second end connector (2d), also is furnished with brace (3), between epimere First end connector (1a) and epimere the second head end joint (1b), between epimere the first end connector (1c) and epimere the second end connector (1d), between epimere the second head end joint (1b) and epimere the first end connector (1c), between hypomere First end connector (2a) and hypomere the second head end joint (2b), between hypomere the first end connector (2c) and hypomere the second end connector (2d), between hypomere the second head end joint (2b) and hypomere the first end connector (2c), all can be connected conducting by brace (3).
2. the high-tension coil of double-voltage dry type distribution transformer as claimed in claim 1, it is characterized in that: described brace (3) one end is provided with the first connecting hole (3a), the other end is provided with the second connecting hole (3b), distance between distance between described the first connecting hole (3a) and the second connecting hole (3b) and epimere First end connector (1a) and epimere the second head end joint (1b), distance between epimere the first end connector (1c) and epimere the second end connector (1d), distance between epimere the second head end joint (1b) and epimere the first end connector (1c), distance between hypomere First end connector (2a) and hypomere the second head end joint (2b), distance between hypomere the first end connector (2c) and hypomere the second end connector (2d), hypomere the second head end joint (2b) all can coordinate with the distance between hypomere the first end connector (2c).
3. the high-tension coil of double-voltage dry type distribution transformer as claimed in claim 2, is characterized in that: described the second connecting hole (3b) is long kidney-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392111.7U CN204010974U (en) | 2014-07-15 | 2014-07-15 | The high-tension coil of dual-voltage dry type power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392111.7U CN204010974U (en) | 2014-07-15 | 2014-07-15 | The high-tension coil of dual-voltage dry type power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010974U true CN204010974U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420392111.7U Expired - Lifetime CN204010974U (en) | 2014-07-15 | 2014-07-15 | The high-tension coil of dual-voltage dry type power transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078207A (en) * | 2014-07-15 | 2014-10-01 | 无锡亿能电力设备有限公司 | High-voltage coil of dual-voltage dry-type power transformer |
-
2014
- 2014-07-15 CN CN201420392111.7U patent/CN204010974U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078207A (en) * | 2014-07-15 | 2014-10-01 | 无锡亿能电力设备有限公司 | High-voltage coil of dual-voltage dry-type power transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Mei Cunxi road 214191 Jiangsu District Wuxi City, No. 219 Patentee after: Wuxi Yineng electric power equipment Limited by Share Ltd Address before: Mei Cunxi road 214191 Jiangsu District Wuxi City, No. 219 Patentee before: Wuxi ENOW Electric Power Equipment Co., Ltd. |