CN201584280U - Arrangement structure of split winding type transformer - Google Patents
Arrangement structure of split winding type transformer Download PDFInfo
- Publication number
- CN201584280U CN201584280U CN2009203136718U CN200920313671U CN201584280U CN 201584280 U CN201584280 U CN 201584280U CN 2009203136718 U CN2009203136718 U CN 2009203136718U CN 200920313671 U CN200920313671 U CN 200920313671U CN 201584280 U CN201584280 U CN 201584280U
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- transformer
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- coil
- winding type
- split winding
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Abstract
The utility model relates to an arrangement structure of a split winding type transformer, which belongs to the technical field of transformer fabrication. The technical scheme is as follows: the arrangement structure of the split winding type transformer adopts a radial split structure, the splitting coefficient, i.e. the ratio of the splitting impedance to the crossing impedance, is not less than 6.5, a core is of a three-phase three-post structure, and the core (1), an inner low-voltage coil (2), an inner high-voltage coil (3), a voltage-regulating coil (4), an outer high-voltage coil (5), an outer low-voltage coil (6) and an oil tank are arranged sequentially from the inside out. The utility model has the advantages that: the arrangement structure of the split winding type transformer is a starting/spare split winding type transformer for power plants, the anti-short-circuiting capability of the transformer is enhanced while the performance parameter requirement is met, and the change of the impedance voltage is little when the transformer is tapped at a maximum or a minimum. The utility model is suitable for like transformers at 110kV and below.
Description
Affiliated technical field:
The utility model relates to a kind of arrangement of transformer with split winding, belongs to technical field of transformer manufacturing.
Background technology:
Power plant is with 110 kilovolts of startup/spare transformers, traditional structural design is that low pressure adopts axial split, the transformer anti-short circuit capability is poor, especially when being in, transformer partly passes through operation (low pressure branch open circuit, one low pressure branch operation) operating mode, and operate in limit tap (being that working voltage is in maximum tap and minimum tap) when transformer, transformer impedance drop changes greatly, the anti-short circuit capability of transformer is poor, and performance parameter can not meet the demands.
Summary of the invention:
The utility model purpose provides a kind of arrangement of transformer with split winding, when satisfying the performance parameter requirement, improve the anti-short circuit capability of transformer, transformer impedance voltage when maximum, minimum tap changes little, solves the problems referred to above that exist in the background technology.
The technical solution of the utility model is:
The arrangement of transformer with split winding adopts radial splitted construction, and bundle factor (division impedance and the ratio that passes through impedance) is not less than 6.5.Iron core is the three-phase three-column structure, from inside to outside the arranged order: low-voltage coil unshakable in one's determination, interior, inner high voltage coil, voltage regulation coil, outer high-tension coil, outer low-voltage coil, fuel tank guarantee the little requirement of product limit tap impedance variation from structure.
The all coils lead adopts the semihard copper cash, interior loop liner cardboard cylinder, and outer low pressure adds outer stay, and outer low-voltage coil first and last brings out a reliable colligation.
The insulation of line between inner high voltage winding and outer high pressure winding need be impacted and calculate or the definite lead wire insulation level herein of shock measurement.
The beneficial effects of the utility model: the utility model is power plant's startup/standby transformer with split winding, when satisfying the performance parameter requirement, improves the anti-short circuit capability of transformer, and transformer impedance voltage when maximum, minimum tap changes little.The utility model suits to adopt on 110kV and following similar transformer.
Description of drawings:
Accompanying drawing is the utility model structural representation.
Among the figure: iron core 1, interior low-voltage coil 2, inner high voltage coil 3, voltage regulation coil 4, outer high-tension coil 5, outer low-voltage coil 6.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
In an embodiment, the arrangement of transformer with split winding adopts radial splitted construction, and bundle factor (division impedance and the ratio that passes through impedance) is not less than 6.5.Iron core is the three-phase three-column structure, from inside to outside the arranged order: iron core 1, interior low-voltage coil 2, inner high voltage coil 3, voltage regulation coil 4, outer high-tension coil 5, outer low-voltage coil 6, fuel tank guarantee the little requirement of product limit tap impedance variation from structure.
Claims (1)
1. the arrangement of a transformer with split winding is characterized in that adopting radial splitted construction, and bundle factor just divides impedance and is not less than 6.5 with the ratio that passes through impedance; Iron core is the three-phase three-column structure, from inside to outside the arranged order: (1), interior low-voltage coil (2) unshakable in one's determination, inner high voltage coil (3), voltage regulation coil (4), outer high-tension coil (5), outer low-voltage coil (6), fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203136718U CN201584280U (en) | 2009-10-30 | 2009-10-30 | Arrangement structure of split winding type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203136718U CN201584280U (en) | 2009-10-30 | 2009-10-30 | Arrangement structure of split winding type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584280U true CN201584280U (en) | 2010-09-15 |
Family
ID=42726292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203136718U Expired - Fee Related CN201584280U (en) | 2009-10-30 | 2009-10-30 | Arrangement structure of split winding type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584280U (en) |
Cited By (1)
| 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 |
-
2009
- 2009-10-30 CN CN2009203136718U patent/CN201584280U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN102543397B (en) * | 2010-12-24 | 2014-04-23 | 特变电工沈阳变压器集团有限公司 | Ultrahigh-voltage large-capacity split-winding type transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131030 |