JP2508622B2 - Electromagnetic induction device winding - Google Patents
Electromagnetic induction device windingInfo
- Publication number
- JP2508622B2 JP2508622B2 JP59061384A JP6138484A JP2508622B2 JP 2508622 B2 JP2508622 B2 JP 2508622B2 JP 59061384 A JP59061384 A JP 59061384A JP 6138484 A JP6138484 A JP 6138484A JP 2508622 B2 JP2508622 B2 JP 2508622B2
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic induction
- induction device
- winding
- electrostatic plate
- main body
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
Description
【発明の詳細な説明】 〔発明の技術分野〕 この発明は電磁誘導機器巻線の静電板の改良に関す
る。Description: TECHNICAL FIELD OF THE INVENTION The present invention relates to an improvement of an electrostatic plate of an electromagnetic induction device winding.
〔従来技術〕 第１図はガス絶縁変圧器の一般的な巻線構造の一部を
断面で示したものである。同図において、１は変圧器鉄
心、２は高圧巻線、３は電界集中緩和用の静電板、４は
低圧巻線、５は固体絶縁物と絶縁ガラスからなる複合絶
縁体部である。[Prior Art] FIG. 1 is a cross-sectional view showing a part of a general winding structure of a gas-insulated transformer. In the figure, 1 is a transformer core, 2 is a high voltage winding, 3 is an electrostatic plate for alleviating electric field concentration, 4 is a low voltage winding, and 5 is a composite insulator part made of a solid insulator and insulating glass.
従来の静電板３は、第２図に示す如く、角部の無い断
面形状を有する絶縁性基板31の全周に金属箔（導体）32
を巻付けてなる本体33を、プレスボード成形品34で絶縁
被覆して構成されている。この為、静電板３のバリヤ効
果を高めるためにはプレスボード成形品34の厚みを大き
くしなくてはならず、これはコスト上昇を招き、また、
プレスボード成形品34は導体32との密着性が良くなく両
者間に隙間が発生して絶縁耐力が低下する恐れがあり、
高圧巻線２と低圧巻線４、変圧器鉄心１間の絶縁距離を
余り小さくすることができないという問題があつた。As shown in FIG. 2, the conventional electrostatic plate 3 has a metal foil (conductor) 32 on the entire circumference of an insulating substrate 31 having a cross-sectional shape without corners.
The main body 33 formed by winding is covered with a press board molded article 34 for insulation. Therefore, in order to enhance the barrier effect of the electrostatic plate 3, it is necessary to increase the thickness of the pressboard molded product 34, which causes an increase in cost and also
The press board molded product 34 does not have good adhesion with the conductor 32, and a gap may be generated between the two, which may reduce the dielectric strength.
There has been a problem that the insulation distance between the high voltage winding 2, the low voltage winding 4 and the transformer core 1 cannot be made too small.
この発明は、上記した従来の問題点に鑑みてなされた
もので、本体をバリヤ効果の高い合成樹脂フイルム例え
ばポリエチレンテレフタレートフイルムで絶縁被覆した
上、湿紙で覆つて複合絶縁してなる静電板を使用する構
成とすることにより、コスト上昇を招くことなく従来に
比し静電板の絶縁耐力を高めて機器の小型化を図ること
ができる電磁誘導機器巻線を提案するものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is an electrostatic plate in which a main body is insulation-coated with a synthetic resin film having a high barrier effect, for example, polyethylene terephthalate film, and is covered with wet paper to perform composite insulation. The present invention proposes an electromagnetic induction device winding capable of increasing the dielectric strength of the electrostatic plate and reducing the size of the device as compared with the related art without inviting cost increase.
以下、この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
本実施例では、第１図において、静電板３にかえて、
第３図に示す静電板６を使用する。この静電板３は角部
の無い断面形状を有する絶縁性基板31の全周に金属箔
（導体）32を巻付けてなる本体33にバリヤ効果の高い合
成樹脂フイルム（この例では、ポリエチレンテレフタト
ールフイルム）35を所定層だけ巻回した上、湿紙36で被
覆し該湿紙36を乾燥して構成される。In this embodiment, instead of the electrostatic plate 3 in FIG.
The electrostatic plate 6 shown in FIG. 3 is used. This electrostatic plate 3 is a synthetic resin film (polyethylene terephthalate film in this example) having a high barrier effect on a main body 33 formed by winding a metal foil (conductor) 32 around the entire circumference of an insulating substrate 31 having a cross-sectional shape without corners. It is constructed by winding a predetermined layer of a phthalol film 35, covering it with a wet paper 36, and drying the wet paper 36.
湿紙36は湿つた状態の紙で自由自在な形状にモールド
されるため密着性が高く、ボイドも発生し難いものであ
る上、乾燥すると収縮して密着性がより向上する。この
為、ポリエチレンテレフタレート35は本体33に対して強
固に締め付けられて良く密着し絶縁効果が向上する。ま
た、ポリエチレンテレフタレート35にボイドが発生した
場合には、湿紙36が通気性を有するため、上記ボイドの
部分には複合絶縁体部５に含まれる絶縁ガスが侵入する
ので絶縁耐力は低下しない。Since the wet paper 36 is a wet paper and is molded in any shape, it has high adhesiveness and is less likely to cause voids. Further, when wet, it shrinks to further improve the adhesiveness. For this reason, the polyethylene terephthalate 35 is firmly clamped to the main body 33 and adheres well to improve the insulating effect. Further, when a void is generated in the polyethylene terephthalate 35, the wet paper web 36 has air permeability, and the insulating gas contained in the composite insulator portion 5 enters the void portion, so that the dielectric strength does not decrease.
なお、上記実施例では、変圧器巻線について説明した
が、この発明はリアクトル等の他の電磁誘導機器の巻線
に実施して同様の効果を得ることができる。Although the transformer winding has been described in the above embodiment, the present invention can be applied to the winding of another electromagnetic induction device such as a reactor to obtain the same effect.
この発明は以上説明した通り、合成樹脂フイルムと湿
紙で複合絶縁した静電板を使用したので、コスト上昇を
招くことなく従来に比し静電板の絶縁耐力を高めて機器
の小型化を図ることができる。As described above, according to the present invention, since the electrostatic plate in which the synthetic resin film and the wet paper are combined and insulated is used, the dielectric strength of the electrostatic plate is increased and the size of the device is reduced as compared with the conventional one without causing the cost increase. Can be planned.
第１図はガス絶縁変圧器の変圧器巻線構造の一部を示す
断面図、第２図は従来の静電板の断面図、第３図はこの
発明による電磁誘導機器巻線に用いる静電板の断面図で
ある。 図において、２……高圧巻線、４……低圧巻線、６……
静電板、31……絶縁性基板、32……金属箔、33……本
体、35……合成樹脂フイルム、36……湿紙。 なお、図中、同一符号は同一または相当部分を示す。FIG. 1 is a sectional view showing a part of a transformer winding structure of a gas insulation transformer, FIG. 2 is a sectional view of a conventional electrostatic plate, and FIG. 3 is a static induction coil used in an electromagnetic induction device winding according to the present invention. It is sectional drawing of an electric plate. In the figure, 2 ... high-voltage winding, 4 ... low-voltage winding, 6 ...
Electrostatic plate, 31 ... Insulating substrate, 32 ... Metal foil, 33 ... Main body, 35 ... Synthetic resin film, 36 ... Wet paper. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (2)
誘導機器巻線において、上記静電板が、所定形状を持つ
絶縁性基板の外周全面に金属箔を巻付けてなる本体を有
し、該本体が合成樹脂フイルムで被覆されたうえ湿紙絶
縁が施され複合絶縁被覆されてなることを特徴とする電
磁誘導機器巻線。1. An electromagnetic induction device winding provided with an electrostatic plate for alleviating electric field concentration, wherein the electrostatic plate has a main body formed by winding a metal foil around the entire outer periphery of an insulating substrate having a predetermined shape. An electromagnetic induction device winding is characterized in that the main body is covered with a synthetic resin film, and then wet paper insulation is applied to the main body for composite insulation.
レートフイルムであることを特徴とする特許請求の範囲
第１項記載の電磁誘導機器巻線。2. An electromagnetic induction device winding according to claim 1, wherein the synthetic resin film is a polyethylene terephthalate film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59061384A JP2508622B2 (en) | 1984-03-27 | 1984-03-27 | Electromagnetic induction device winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59061384A JP2508622B2 (en) | 1984-03-27 | 1984-03-27 | Electromagnetic induction device winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60202920A JPS60202920A (en) | 1985-10-14 |
| JP2508622B2 true JP2508622B2 (en) | 1996-06-19 |
Family
ID=13169621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59061384A Expired - Lifetime JP2508622B2 (en) | 1984-03-27 | 1984-03-27 | Electromagnetic induction device winding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508622B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167284A (en) * | 2013-05-17 | 2014-11-26 | 重庆英索特绝缘材料制造有限公司 | Manufacturing method for power transformer electrostatic ring insulation layer |
-
1984
- 1984-03-27 JP JP59061384A patent/JP2508622B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167284A (en) * | 2013-05-17 | 2014-11-26 | 重庆英索特绝缘材料制造有限公司 | Manufacturing method for power transformer electrostatic ring insulation layer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60202920A (en) | 1985-10-14 |
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