JPH0313808B2 - - Google Patents
Info
- Publication number
- JPH0313808B2 JPH0313808B2 JP1907184A JP1907184A JPH0313808B2 JP H0313808 B2 JPH0313808 B2 JP H0313808B2 JP 1907184 A JP1907184 A JP 1907184A JP 1907184 A JP1907184 A JP 1907184A JP H0313808 B2 JPH0313808 B2 JP H0313808B2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- cone
- impregnated paper
- capacitor cone
- insulating layer
- 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
- 239000003990 capacitor Substances 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims 1
- 239000000123 paper Substances 0.000 description 17
- 239000002655 kraft paper Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Gas Or Oil Filled Cable Accessories (AREA)
Description
【発明の詳細な説明】
この発明は、主として275kV級以上の超高圧
OFケーブルの油止接続部に関するものである。[Detailed Description of the Invention] This invention mainly focuses on ultra-high voltages of 275 kV class or higher.
This relates to the oil stop joint of the OF cable.
発明の背景
「第１図」は３室式の油止接続部を示し、１０
はケーブルコア、１２は導体接続部、１３はしや
へい金具、１４は油止とう管である。BACKGROUND OF THE INVENTION "Figure 1" shows a three-chamber type oil stop connection, with 10
12 is a cable core, 12 is a conductor connection portion, 13 is a shield fitting, and 14 is an oil stopper pipe.
油止とう管１４の内側に内部コンデンサコーン
１６が設けてあり、外側に外部コンデンサコーン
１８設けてあり、外部コンデンサコーン１８の外
側に補強絶縁層２０が設けてある。内部コンデン
サコーン１６、外部コンデンサコーン１８および
補強絶縁層２０は、それぞれ油浸紙を巻いて形成
される。なお２２は外部銅管である。 An internal capacitor cone 16 is provided on the inside of the oil stopper pipe 14, an external capacitor cone 18 is provided on the outside, and a reinforcing insulating layer 20 is provided on the outside of the external capacitor cone 18. The inner capacitor cone 16, the outer capacitor cone 18, and the reinforcing insulating layer 20 are each formed by wrapping oil-impregnated paper. Note that 22 is an external copper tube.
ところで、油止接続部においては、寸法の縮小
が課題の一つになつている。 By the way, one of the challenges for oil stop joints is to reduce their dimensions.
従来の設計では、外部コンデンサコーン１８を
形成している油浸紙と補強絶縁層２０を形成して
いる油浸紙は、同じ材料を用いており、したがつ
てそれらの比誘電率も同じであつた。 In conventional designs, the oil-impregnated paper forming the external capacitor cone 18 and the oil-impregnated paper forming the reinforcing insulating layer 20 are made of the same material and therefore have the same dielectric constant. It was hot.
本発明は、この油浸紙に検討を加えることによ
つて、油止接続部の寸法の縮小を可能にしたもの
である。 The present invention makes it possible to reduce the size of the oil stopper connection by considering this oil-impregnated paper.
発明の構成
内部コンデンサコーン１６と外部コンデンサコ
ーン１８とのうち、少なくとも外部コンデンサコ
ーン１８に巻かれる油浸紙の比誘電率が、補強絶
縁層２０に巻かれる油浸紙の比誘電率よりも大き
いことを特徴とする。Structure of the Invention Of the internal capacitor cone 16 and the external capacitor cone 18, at least the dielectric constant of the oil-impregnated paper wrapped around the external capacitor cone 18 is larger than the dielectric constant of the oil-impregnated paper wrapped around the reinforcing insulating layer 20. It is characterized by
たとえば内部コンデンサコーン１６や外部コン
デンサコーン１８の油浸紙としてクラフト紙（比
誘電率＝3.4）を用いるときは、補強絶縁層２０
の油浸紙としてPPLP（２枚のクラフト紙の間に
ポリプロピレンフイルムをはさんだ半合成紙、比
誘電率＝2.7）を用いる、というような具合にす
る。 For example, when using kraft paper (relative permittivity = 3.4) as the oil-impregnated paper for the internal capacitor cone 16 and the external capacitor cone 18, the reinforcing insulating layer 20
PPLP (semi-synthetic paper with a polypropylene film sandwiched between two sheets of kraft paper, dielectric constant = 2.7) is used as the oil-impregnated paper.
このようにすると、油止接続部を長さ方向に縮
小できることが確認された。 It has been confirmed that by doing so, the oil stopper connection can be reduced in the length direction.
なお油止接続部には「第２図」に示すような２
室式のものも提案されている。 In addition, the oil stop connection part has 2 as shown in "Fig. 2".
A room-style version has also been proposed.
この場合は、油止とう管１４を片方のケーブル
コア１０の外側にだけ設けて、その内側に内部コ
ンデンサコーン１６を、また外側に外部コンデン
サコーン１８をそれぞれ設け、外部コンデンサコ
ーン１８上から反対側のケーブルコア１０上にか
けて補強絶縁層２０を形成している。 In this case, the oil stopper pipe 14 is provided only on the outside of one cable core 10, and the internal capacitor cone 16 is provided on the inside, and the external capacitor cone 18 is provided on the outside. A reinforcing insulating layer 20 is formed over the cable core 10.
この構造の場合においても、上記同様に、少な
くとも外部コンデンサコーン１８に巻かれる油浸
紙の比誘電率を補強絶縁層２０に巻かれる油浸紙
の比誘電率よりも大きくすることにより、長さ方
向の寸法を縮小することができる。 In the case of this structure, similarly to the above, by making the dielectric constant of the oil-impregnated paper wrapped around at least the external capacitor cone 18 larger than that of the oil-impregnated paper wrapped around the reinforcing insulating layer 20, the length can be increased. Directional dimensions can be reduced.
実施例
「第１図」の構造のものにおいて、外部コンデ
ンサコーン１８の絶縁体と補強絶縁層２０の油浸
紙に、両方とも比誘電率の値が3.4の油浸紙を用
いた場合に比べて、補強絶縁層２０の油浸紙に比
誘電率の値が2.7のPPLPを用いることにより（外
部コンデンサコーン１８の油浸紙は比誘電率の値
が3.4のクラフト紙、外部コンデンサコーン１８
の最も高圧側の電極１９０の長さを約70％に縮小
することができた。Example Compared to the case where oil-impregnated paper with a relative dielectric constant of 3.4 is used as the insulator of the external capacitor cone 18 and the oil-impregnated paper of the reinforcing insulating layer 20 in the structure shown in "Fig. 1". By using PPLP with a dielectric constant of 2.7 as the oil-impregnated paper of the reinforcing insulating layer 20 (the oil-impregnated paper of the external capacitor cone 18 is kraft paper with a dielectric constant of 3.4,
The length of the electrode 190 on the highest voltage side could be reduced to about 70%.
また最初の電極１９０の長さが決まると、その
長さを基にしてその他の電極１９１，１９
２，‐‐‐‐の長さも順次決まるので、結局外部
コンデンサコーン１８全体の長さを大幅に縮小す
ることが可能となる。 Furthermore, once the length of the first electrode 190 is determined, other electrodes 191, 19 are determined based on that length.
2. Since the lengths of the external capacitor cone 18 are determined sequentially, it becomes possible to significantly reduce the overall length of the external capacitor cone 18.
発明の効果
内部コンデンサコーン１６、外部コンデンサコ
ーン１８のうち、少なくとも外部コンデンサコー
ン１８の油浸紙の比誘電率が、補強絶縁層２０の
油浸紙の比誘電率よりも大きくしてあるので、上
記のように従来の設計に比べて、外部コンデンサ
コーン１８を長さ方向に縮小することができる。
そのため、油止とう管１４の長さを縮小させるこ
とができ、結果として油止接続部全体の縮小が可
能になる。Effects of the Invention Of the internal capacitor cone 16 and the external capacitor cone 18, at least the dielectric constant of the oil-impregnated paper of the external capacitor cone 18 is made larger than the dielectric constant of the oil-impregnated paper of the reinforcing insulating layer 20. As discussed above, the external capacitor cone 18 can be reduced in length compared to conventional designs.
Therefore, the length of the oil stopper pipe 14 can be reduced, and as a result, the entire oil stopper connection can be reduced in size.
第１図と第２図は本発明ならびに従来技術に関
して共通な油止接続部の異なる例の説明図。
１４：油止とう管、１６：内部コンデンサコー
ン、１８：外部コンデンサコーン、２０：補強絶
縁層。
1 and 2 are explanatory diagrams of different examples of oil stop connections common to the present invention and the prior art. 14: Oil stopper pipe, 16: Internal capacitor cone, 18: External capacitor cone, 20: Reinforcement insulation layer.
Claims (1)
れ油浸紙を巻いて形成した内部コンデンサコーン
１６および外部コンデンサコーン１８を設け、前
記外部コンデンサコーン１８の外側に油浸紙を巻
いて形成した補強絶縁層２０を設けた油止接続部
において、 前記内部コンデンサコーン１６、外部コンデン
サコーン１８のうち、少なくとも外部コンデンサ
コーン１８の油浸紙の比誘電率が、前記補強絶縁
層２０の油浸紙の比誘電率よりも大きくしてある
ことを特徴とする、油止接続部。[Claims] 1. An internal condenser cone 16 and an external condenser cone 18 formed by wrapping oil-impregnated paper are provided on the inside and outside of the oil stopper tube 14, respectively, and the outside of the external condenser cone 18 is covered with oil-impregnated paper. In the oil-stop connection part provided with the reinforcing insulating layer 20 formed by winding the inner capacitor cone 16 and the outer capacitor cone 18, the dielectric constant of the oil-impregnated paper of at least the outer capacitor cone 18 is higher than that of the reinforcing insulating layer. An oil-stop connection part characterized in that the dielectric constant is larger than that of oil-impregnated paper of No. 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59019071A JPS60162412A (en) | 1984-02-04 | 1984-02-04 | Oil stopping connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59019071A JPS60162412A (en) | 1984-02-04 | 1984-02-04 | Oil stopping connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60162412A JPS60162412A (en) | 1985-08-24 |
| JPH0313808B2 true JPH0313808B2 (en) | 1991-02-25 |
Family
ID=11989194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59019071A Granted JPS60162412A (en) | 1984-02-04 | 1984-02-04 | Oil stopping connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60162412A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872313A (en) * | 1981-10-27 | 1983-04-30 | 昭和電線電纜株式会社 | Of cable oil stopping connector |
-
1984
- 1984-02-04 JP JP59019071A patent/JPS60162412A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872313A (en) * | 1981-10-27 | 1983-04-30 | 昭和電線電纜株式会社 | Of cable oil stopping connector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60162412A (en) | 1985-08-24 |
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