JPH04262329A - Gas insulated electric appliance - Google Patents
Gas insulated electric applianceInfo
- Publication number
- JPH04262329A JPH04262329A JP2312691A JP2312691A JPH04262329A JP H04262329 A JPH04262329 A JP H04262329A JP 2312691 A JP2312691 A JP 2312691A JP 2312691 A JP2312691 A JP 2312691A JP H04262329 A JPH04262329 A JP H04262329A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- insulated electrical
- present
- tank
- around
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000000696 magnetic material Substances 0.000 claims description 5
- 239000006247 magnetic powder Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、ガス絶縁電気機器、特
に遮断器の開閉時に生じるサ−ジ電圧を抑制するように
構成されたガス絶縁電気機器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to gas insulated electrical equipment, and more particularly to gas insulated electrical equipment configured to suppress surge voltages generated when circuit breakers open and close.
【０００２】0002
【従来の技術】回路上に発生する遮断器や断路器の開閉
サ−ジがガス絶縁電気機器に対して絶縁上問題となるた
めその抑制が望まれている。2. Description of the Related Art The opening/closing surges of circuit breakers and disconnectors that occur on circuits pose insulation problems for gas-insulated electrical equipment, and it is desired to suppress them.
【０００３】従来の方法としては、例えば、実開昭５５
−４０９１８ 号公報に開示されているように抵抗体を
介して開閉する方法が提案されている。[0003] As a conventional method, for example,
A method of opening and closing via a resistor has been proposed, as disclosed in Japanese Patent No. 40918.
【０００４】0004
【発明が解決しようとする課題】しかし、従来技術の抵
抗付き開閉器では抵抗体を遮断部の周囲に配置するため
、可動電極の動作距離を大きくしなければならないなど
の構造上の問題が生じる。[Problems to be Solved by the Invention] However, in conventional resistor-equipped switches, the resistor is placed around the interrupting part, which causes structural problems such as the need to increase the operating distance of the movable electrode. .
【０００５】本発明の目的は、構造上の問題を生じるこ
となく開閉サ−ジを抑制することができるガス絶縁電気
機器を提供することにある。[0005] An object of the present invention is to provide a gas-insulated electric device that can suppress switching surges without causing any structural problems.
【０００６】[0006]
【課題を解決するための手段】本発明は接地タンク内に
絶縁ガスを封入し、そのタンク内に遮断部をもつガス絶
縁電気機器において、遮断部の少なくとも片側の導体の
周囲に高周波サ−ジ抑制部を設置したことを特徴とする
。[Means for Solving the Problems] The present invention is a gas-insulated electrical device in which an insulating gas is sealed in a grounded tank and has a cutoff section in the tank, in which high-frequency surges are generated around a conductor on at least one side of the cutoff section. It is characterized by the installation of a suppressor.
【０００７】[0007]
【作用】本発明によれば、開閉器の特に遮断器の構造上
の問題を生じることなくサ−ジを抑えることができる。According to the present invention, surges can be suppressed without causing structural problems of switches, especially circuit breakers.
【０００８】[0008]
【実施例】以下に本発明の実施例を図を用いて説明する
。[Embodiments] Examples of the present invention will be described below with reference to the drawings.
【０００９】図１は、本発明の一実施例を示すもので、
単体の遮断器に本発明を適用した例である。基本的な構
成は接地タンク内に遮断部５を設け、導体８ａ，８ｂ、
集電子６ａ，６ｂを介してブッシング１ａ，１ｂに接続
されている。導体８ａ，８ｂの周囲に磁性体７ａ，７ｂ
を配置している。FIG. 1 shows an embodiment of the present invention.
This is an example in which the present invention is applied to a single circuit breaker. The basic configuration is to provide a cutoff section 5 in a grounded tank, and conductors 8a, 8b,
It is connected to bushings 1a, 1b via current collectors 6a, 6b. Magnetic bodies 7a, 7b are placed around the conductors 8a, 8b.
are placed.
【００１０】このように配置すれば遮断部５による開閉
サ−ジを吸収することができる。With this arrangement, the opening/closing surge caused by the blocking portion 5 can be absorbed.
【００１１】図２は本発明の他の実施例を示すものでガ
ス絶縁複合開閉器に本発明を適用した例である。構成は
、２０ａ，２０ｂのブッシングを持ち、接地タンク１０
内に遮断部１１、導体１８，１９、断路器１７、接地装
置１４ａ，１４ｂ，変流器９ａ，９ｂ、避雷器１６及び
絶縁支持物１５をもつ絶縁スペ−サ１３ａ，１３ｂによ
ってガス区画を分けている。ここで、遮断部のあるガス
区画の導体１８，１９の周囲に磁性体を付けた構造とな
っている。FIG. 2 shows another embodiment of the present invention, which is an example in which the present invention is applied to a gas-insulated composite switch. The configuration has bushings 20a and 20b, and a grounded tank 10.
The gas compartments are separated by insulating spacers 13a and 13b which have a cutoff part 11, conductors 18 and 19, a disconnector 17, grounding devices 14a and 14b, current transformers 9a and 9b, a lightning arrester 16 and an insulating support 15. There is. Here, the structure is such that a magnetic material is attached around the conductors 18 and 19 of the gas compartment where the cutoff part is located.
【００１２】磁性体を導体の周囲に配置すると他の磁性
体を配置していないところと比較して絶縁的に問題とな
る。その点、遮断部のあるガス区画は一般に他の区画と
比較して絶縁ガスの封入圧力が１．２ 倍程度高く絶縁
的にみて有利である。[0012] When a magnetic material is placed around a conductor, it poses a problem in terms of insulation compared to a case where no other magnetic material is placed. In this respect, the gas compartment with the cut-off part is generally advantageous from an insulating point of view, as the pressure charged with the insulating gas is about 1.2 times higher than in other compartments.
【００１３】図３は、図２の単線結線図を示す。FIG. 3 shows a single line diagram of FIG. 2.
【００１４】図４に、更に他の実施例を示したものでガ
ス絶縁開閉装置に本発明を適用した例である。構成は、
接地タンク２９内に遮断部２１、変流器２０ａ，２０ｂ
、線路断路器２３、母線断路器２４ａ，２４ｂ、避雷器
２５、接地装置２８ａ，２８ｂ，２８ｃをもち、絶縁ス
ペ−サ２６ａ．．．２６ｈでガス区画を分けている。図
２の例と同様に遮断部２１のガス区画内の導体の周囲に
磁性体２２ａ，２２ｂを配置してある。FIG. 4 shows still another embodiment, in which the present invention is applied to a gas insulated switchgear. The configuration is
A cutoff section 21 and current transformers 20a and 20b are installed in the grounded tank 29.
, line disconnector 23, busbar disconnectors 24a, 24b, lightning arrester 25, grounding devices 28a, 28b, 28c, and insulating spacers 26a. ．． ．． Gas compartments are separated by 26 hours. Similar to the example of FIG. 2, magnetic bodies 22a and 22b are arranged around the conductor in the gas compartment of the cutoff part 21.
【００１５】図５は、図４の単線結線図を示したもので
ある。FIG. 5 shows a single line diagram of FIG. 4.
【００１６】[0016]
【発明の効果】本発明によれば、開閉器特に遮断器の構
造上の問題を生じることなくサ−ジを抑えることができ
る。According to the present invention, surges can be suppressed without causing structural problems of switches, particularly circuit breakers.
【図１】本発明の一実施例を単体の遮断器に本発明を適
用した説明図。FIG. 1 is an explanatory diagram in which an embodiment of the present invention is applied to a single circuit breaker.
【図２】本発明の他の実施例を示したものでガス絶縁複
合開閉器に適用した説明図。FIG. 2 is an explanatory diagram showing another embodiment of the present invention, which is applied to a gas-insulated composite switch.
【図３】図２に示す実施例の単線結線図。FIG. 3 is a single line diagram of the embodiment shown in FIG. 2;
【図４】ガス絶縁開閉装置に本発明を適用した説明図。FIG. 4 is an explanatory diagram in which the present invention is applied to a gas-insulated switchgear.
【図５】図２に示す実施例の単線結線図。FIG. 5 is a single line diagram of the embodiment shown in FIG. 2;
１ａ，１ｂ…ブッシング、２ａ，２ｂ…変流器、３…接
地タンク、４ａ，４ｂ…絶縁支持物、５…遮断部、６ａ
，６ｂ…集電子、７ａ，７ｂ…磁性体、８ａ，８ｂ…導
体。1a, 1b... Bushing, 2a, 2b... Current transformer, 3... Grounding tank, 4a, 4b... Insulating support, 5... Breaking part, 6a
, 6b... current collector, 7a, 7b... magnetic material, 8a, 8b... conductor.
Claims (4)
地タンク内に遮断部をもつガス絶縁電気機器において、
前記遮断部の少なくとも片側の導体の周囲に高周波サ−
ジ抑制部を設置したことを特徴とするガス絶縁電気機器
。Claim 1: A gas-insulated electrical device in which an insulating gas is sealed in a grounded tank, and a cutoff part is provided in the grounded tank,
A high frequency circuit is installed around the conductor on at least one side of the cutoff section.
A gas-insulated electrical device characterized by having a gas-suppressing section installed.
部を周囲に設置した導体をガス遮断器と同一のガス区画
内に設置したガス絶縁電気機器。2. The gas insulated electrical equipment according to claim 1, wherein the conductor around which the high frequency surge suppressor is installed is installed in the same gas compartment as the gas circuit breaker.
−ジ抑制部を磁性体で構成したガス絶縁電気機器。3. A gas-insulated electric device according to claim 1, wherein said high-frequency surge suppressor is made of a magnetic material.
−ジ抑制部を磁性体粉末を充填したモ−ルド製品で構成
したガス絶縁電気機器。4. A gas-insulated electrical device according to claim 1, wherein said high-frequency surge suppressor is constructed of a molded product filled with magnetic powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2312691A JPH04262329A (en) | 1991-02-18 | 1991-02-18 | Gas insulated electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2312691A JPH04262329A (en) | 1991-02-18 | 1991-02-18 | Gas insulated electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04262329A true JPH04262329A (en) | 1992-09-17 |
Family
ID=12101827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2312691A Pending JPH04262329A (en) | 1991-02-18 | 1991-02-18 | Gas insulated electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04262329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002075145A (en) * | 2000-09-04 | 2002-03-15 | Hitachi Ltd | Gas-blast circuit breaker with suppressing apparatus for exciting inrush current |
-
1991
- 1991-02-18 JP JP2312691A patent/JPH04262329A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002075145A (en) * | 2000-09-04 | 2002-03-15 | Hitachi Ltd | Gas-blast circuit breaker with suppressing apparatus for exciting inrush current |
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