JPH0312410U - - Google Patents
Info
- Publication number
- JPH0312410U JPH0312410U JP7332889U JP7332889U JPH0312410U JP H0312410 U JPH0312410 U JP H0312410U JP 7332889 U JP7332889 U JP 7332889U JP 7332889 U JP7332889 U JP 7332889U JP H0312410 U JPH0312410 U JP H0312410U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- dielectric constant
- duct
- transformer
- insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Landscapes
- Transformer Cooling (AREA)
Description
第１図は本考案および従来の油入変圧器の巻線
構造を示す基本構成図、第２図は同巻線構造の要
部を示す拡大図、第３図は雷インパルスに対する
変圧器巻線内部の電位分布特性図、第４図は本考
案を説明するための比誘電率と絶縁破壊電圧の関
係を示す特性図である。
１……高圧巻線、１ａ……巻線被覆、２……ダ
クトピース、３……縦楔、４……静電シールドリ
ング、５……油ダクト。
Fig. 1 is a basic configuration diagram showing the winding structure of the oil-immersed transformer of the present invention and the conventional oil-immersed transformer, Fig. 2 is an enlarged view showing the main parts of the same winding structure, and Fig. 3 is a transformer winding in response to lightning impulses. The internal potential distribution characteristic diagram, FIG. 4, is a characteristic diagram showing the relationship between relative dielectric constant and dielectric breakdown voltage for explaining the present invention. DESCRIPTION OF SYMBOLS 1... High voltage winding, 1a... Winding coating, 2... Duct piece, 3... Vertical wedge, 4... Electrostatic shield ring, 5... Oil duct.
Claims (1)
トを有する変圧器において、上記油ダクトを構成
する分担電圧の高い領域に配設されるダクトピー
スおよび縦楔の絶縁材料に比誘電率４．０以下の
低誘電率素材を用いたことを特徴とする油入変圧
器。 In a transformer having an oil duct that circulates insulating oil around the windings to cool them, the insulating material of the duct piece and vertical wedge arranged in the high shared voltage region constituting the oil duct has a dielectric constant of 4. An oil-immersed transformer characterized by using a material with a low dielectric constant of 0 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7332889U JPH0312410U (en) | 1989-06-22 | 1989-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7332889U JPH0312410U (en) | 1989-06-22 | 1989-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312410U true JPH0312410U (en) | 1991-02-07 |
Family
ID=31612054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7332889U Pending JPH0312410U (en) | 1989-06-22 | 1989-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003347145A (en) * | 2002-05-30 | 2003-12-05 | Daishowa Seiki Co Ltd | Wire-wound coil and its manufacturing device |
-
1989
- 1989-06-22 JP JP7332889U patent/JPH0312410U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003347145A (en) * | 2002-05-30 | 2003-12-05 | Daishowa Seiki Co Ltd | Wire-wound coil and its manufacturing device |
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