JPH01255409A - Gas insulated switchgear - Google Patents

Gas insulated switchgear

Info

Publication number
JPH01255409A
JPH01255409A JP63081421A JP8142188A JPH01255409A JP H01255409 A JPH01255409 A JP H01255409A JP 63081421 A JP63081421 A JP 63081421A JP 8142188 A JP8142188 A JP 8142188A JP H01255409 A JPH01255409 A JP H01255409A
Authority
JP
Japan
Prior art keywords
circuit breaker
bus
bus bar
insulated switchgear
maintenance
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.)
Granted
Application number
JP63081421A
Other languages
Japanese (ja)
Other versions
JP2798930B2 (en
Inventor
Isao Hioki
日置 功
Yasunori Sanada
靖憲 真田
Yoshihiro Sugano
菅野 好裕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP63081421A priority Critical patent/JP2798930B2/en
Publication of JPH01255409A publication Critical patent/JPH01255409A/en
Application granted granted Critical
Publication of JP2798930B2 publication Critical patent/JP2798930B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To improve maintenability and safety of circuit breakers and to make them small-sized, by housing earth switches for the maintenance of breakers in the units on bus bar sides. CONSTITUTION:Moving pieces of disconnectors 14a and 14b of the 1st and 2nd bus bar sides are connected to three-phase main bus bars 13a and 13b provided horizontally at right angle to the axis of a circuit breaker container 6. The stators of disconnectors 14a and 14b on bus bar sides are connected to circuit breaker connecting terminal sections 17a and 17b on bus bar sides after they are passed through earth switches 30a and 30b for maintenance, of which stators are provided on the conductor in the extending direction of the stators for disconnectors 14a and 14b on bus bar sides. Moving pieces are arranged which move horizontally to the stators and come into contact with the abovementioned stators. After the breaker 6 is removed, the earth switches 30a and 30b for the maintenance of breakers are left in the units on bus bar sides and the disconnectors 14a and 14b become earthed, so that there will be no danger of electric shock at work.

Description

【発明の詳細な説明】 [発明の目的] (産業上の利用分野) 本発明は、2個の主は線を1個の遮断器に接続して成る
ガス絶縁開閉装置に関するものであって、特にガス絶縁
開閉装置を構成する機器の配列に改良を施したものであ
る。
[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a gas insulated switchgear comprising two main lines connected to one circuit breaker, In particular, the arrangement of the equipment that makes up the gas-insulated switchgear has been improved.

(従来の技術) ガス絶縁開閉装置は、絶縁性及び消弧性に非常に優れた
SFaガス等を充填した容器内に、遮断器及び絶路器の
遮断部、絶路器を収納すると共に母線等の機器を組合せ
構成されている。この種の開閉装置は、気中絶縁方式の
開閉装置に比べて著しく小型に構成することが可能であ
る。近年では、著しい地価高騰などにより、小型化が可
能なガス絶縁開閉装置が変電所に多く採用されている。
(Prior art) A gas-insulated switchgear houses a circuit breaker, a disconnecting part of a disconnecting switch, and a disconnecting switch in a container filled with SFa gas, etc., which has excellent insulation and arc-extinguishing properties, and also houses a busbar. It is composed of a combination of equipment such as. This type of switchgear can be configured to be significantly smaller than an air-insulated switchgear. In recent years, due to the remarkable rise in land prices, gas-insulated switchgears, which can be made smaller, have been increasingly used in substations.

更に、合理的に構成機器を配置することにより、−層の
小型化が図られ、ガス絶縁開閉装置の低廉化及び屋内形
ガス絶縁開閉装置の建屋を含めた変電所建設のより一層
の低順・小型化が可能となる。
Furthermore, by rationally arranging the component equipment, the size of the -layer can be reduced, making it possible to reduce the cost of gas-insulated switchgear and further reduce the cost of constructing substations, including buildings for indoor gas-insulated switchgear.・Miniaturization is possible.

ここで、従来の2重母線方式回路のカス絶縁開閉装置を
第7図を用いて説明する。この図は、2重に構成された
母線を電カケープル線路に接続するフィダー回線を、従
来の機器構成により形成したガス絶縁開閉装置側面図で
、装置側面図上に回路の単線結線図を重ねて示した。
Here, a conventional double-bus type circuit insulated switchgear will be explained using FIG. 7. This figure is a side view of a gas-insulated switchgear in which the feeder line connecting the double-configured bus bar to the power cable line is formed using a conventional equipment configuration. Indicated.

第7図において、遮断器1の電極部である遮断部5は、
鉛直方向に配置されている遮断器容器6内に収納され、
且つ遮断器容器6の下に設置されている遮断器構成箱7
内の図示しない操作装置により駆動される。又、遮断器
容器6の側面には、同一方向に突出し、且つ上下に平行
に配置した第1及び第2の母線接続用口出端子部8,9
と、これら母線接続用口出端子部8,9と反対の方向に
突出した線路側機器接続用口出端子部10とが設けられ
ている。このうち、母線接続用口出端子部8.9は、分
岐導体11により前記遮断部5の一方端子に共通に接続
され、線路側機器接続用口出端子部10は、接続導体1
2により遮断部5の他方端子に接続されている。又、前
記分岐導体11には、遮断器容器6内に一括して収納さ
れた遮断器メインテナンス用接地開閉器15が接続され
ている。
In FIG. 7, the interrupting section 5, which is the electrode section of the circuit breaker 1, is
It is housed in a circuit breaker container 6 arranged in a vertical direction,
A circuit breaker configuration box 7 installed below the circuit breaker container 6
It is driven by an operating device (not shown) inside. Further, on the side surface of the circuit breaker container 6, there are first and second bus bar connection outlet terminal portions 8, 9 that protrude in the same direction and are arranged vertically in parallel.
and a line-side equipment connection outlet terminal part 10 protruding in the opposite direction to these busbar connection outlet terminal parts 8 and 9. Among these, the busbar connection outlet terminal section 8.9 is commonly connected to one terminal of the breaking section 5 by a branch conductor 11, and the line side equipment connection outlet terminal section 10 is connected to the connection conductor 1.
2 is connected to the other terminal of the interrupting section 5. Further, the branch conductor 11 is connected to a circuit breaker maintenance grounding switch 15 which is housed in the circuit breaker container 6 all at once.

更に、遮断器容器6の各母線接続用口出端子部8.9に
は、水平に配設された第1の主母線13a、 13bと
、この主母線13a、13bと直角に設けられた母線側
断路器14a、14bとを各母線側ユニット容器16a
、16bに一括して収納した母線側ユニット2,3がそ
れぞれ絶縁スペーサ18a、18bによりガス区分して
接続されている。前記各母線側ユニット2.3は、主母
線13a、13bにこれと直角で、且つ遮断器1の方向
に向けて電極を配設した母線側断路器14a。
Further, each busbar connection outlet terminal portion 8.9 of the circuit breaker container 6 has first main busbars 13a, 13b disposed horizontally, and busbars disposed at right angles to the main busbars 13a, 13b. The side disconnectors 14a and 14b are connected to each bus side unit container 16a.
, 16b are collectively housed in the bus bar side units 2 and 3, which are separated and connected by insulating spacers 18a and 18b, respectively. Each of the bus-side units 2.3 is a bus-side disconnector 14a in which electrodes are arranged perpendicular to the main busbars 13a, 13b and toward the circuit breaker 1.

14bの一方端子が接続され、該断路器の延長方向に遮
断器接続端子部17a、17bが設けられ、この遮断器
接続端子部17a、17bを前述のように遮断器1の母
線側ユニット接続用口出端子部8.9に接続して形成さ
れている。一方、遮断器容器6の線路側機器接続用口出
端子部10には、遮断器側から順次接続されて成る変流
器24、遮断器メインテナンス用接地開閉器27、線路
側断路器25、線路接地用開閉器28及びケーブルヘッ
ド26とを線路側ユニット容器29に一括して収納した
線路側ユニット4が、絶縁スペーサ−23によりガス区
分して接続されている。
One terminal of the circuit breaker 14b is connected, and circuit breaker connection terminal portions 17a and 17b are provided in the extending direction of the disconnector, and these circuit breaker connection terminal portions 17a and 17b are connected to the bus bar side unit of the circuit breaker 1 as described above. It is connected to the outlet terminal portion 8.9. On the other hand, the output terminal section 10 for connection of track side equipment of the circuit breaker container 6 includes a current transformer 24 which is connected in order from the circuit breaker side, a grounding switch 27 for circuit breaker maintenance, a track side disconnector 25, and a track side disconnector 25. A line-side unit 4 in which a grounding switch 28 and a cable head 26 are collectively housed in a line-side unit container 29 is connected to the line-side unit 4 in a gas-separated manner by an insulating spacer 23.

(発明が解決しようとする課題) 以上のように構成された従来のガス絶縁開閉装置では、
母線側に配置される遮断器メインテナンス用接地開閉器
15が遮断器容器6内に収納されているため、遮断器1
を取外してメインテナンスを行う場合には、同時に前記
遮断器メインテナンス用接地開閉器15もまた回路より
切離されてしまう。このため、主母線13a、13bを
活線状態としたままでI線側断路器14a、14bを開
路して前記作業を行う場合、前記断路器14a。
(Problem to be solved by the invention) In the conventional gas insulated switchgear configured as described above,
Since the grounding switch 15 for circuit breaker maintenance disposed on the busbar side is housed in the circuit breaker container 6, the circuit breaker 1
When the circuit breaker is removed for maintenance, the circuit breaker maintenance grounding switch 15 is also disconnected from the circuit at the same time. Therefore, when performing the work by opening the I-line side disconnectors 14a, 14b while keeping the main buses 13a, 13b live, the disconnector 14a.

14bの遮断器側端子には静電誘導により電圧が誘起さ
れ、作業中に感電する危険があった。更に、遮断器を取
外した後、これら断路器14a、14bの遮断器側端子
を別の方法で再度接地しなければならなかった。
A voltage was induced in the circuit breaker side terminal of 14b due to electrostatic induction, and there was a risk of electric shock during work. Furthermore, after removing the circuit breaker, the circuit breaker side terminals of these disconnectors 14a, 14b had to be grounded again by another method.

又、従来のガス絶縁開閉装置には、分岐導体11及び母
線側遮断器メインテナンス用接地開閉器15を別の容器
に収納し、遮断器容器6の側面に形成した1個の母線接
続用口出端子部8.9と、母線側ユニット1.2との間
に挿入接続して構成したものであるが、この場合には前
記の問題は生じないが、装置が複雑になるとともに、ガ
ス絶縁開閉装置の側面の長手寸法が長くなる欠点があっ
た。
Furthermore, in the conventional gas-insulated switchgear, the branch conductor 11 and the grounding switch 15 for bus-side circuit breaker maintenance are housed in separate containers, and one bus-bar connection outlet formed on the side surface of the circuit breaker container 6 is used. This is configured by inserting and connecting between the terminal section 8.9 and the bus bar side unit 1.2. In this case, the above-mentioned problem does not occur, but the device becomes complicated and gas-insulated switching is required. There was a drawback that the longitudinal dimension of the side of the device became long.

本発明の目的は、上記のような従来のガス絶縁開閉装置
の課題を解消し、遮断器のメインテナンス作業性及び作
業時の安全性の向−Eが図れ、しかも小型で且つ構成の
簡単なガス絶縁開閉装置を提供することにある。
It is an object of the present invention to solve the problems of the conventional gas insulated switchgear as described above, to improve the maintenance workability of the circuit breaker and the safety during work, and to provide a gas insulated switchgear which is small in size and has a simple configuration. The purpose of the present invention is to provide an insulated switchgear.

[発明の構成1 (課題を解決するための手段) 本発明のガス絶縁開閉装置は、第1.第2の母線側断路
器の遮断器側端子と、第1.第2の遮断器口出端子部と
の間に、それぞれ第1.第2の接地開閉器を配設するこ
とにより、接地開閉器を第1、第2の母線側ユニット内
に収納し、更に、第1.第2の接地開閉器の回転駆動軸
を一組の連結リンクを介して一個の操作器に接続したも
のである。
[Configuration 1 of the Invention (Means for Solving the Problems) The gas insulated switchgear of the present invention has the following features: the circuit breaker side terminal of the second busbar side disconnector; and the second circuit breaker outlet terminal section, respectively. By arranging the second earthing switch, the earthing switch is housed within the first and second busbar side units, and furthermore, the first. The rotary drive shaft of the second earthing switch is connected to one operating device via a set of connecting links.

(作用) 上記のような構成を有する本発明においては、第1.第
2の母線側ユニット内に接地開閉器を設けたので、遮断
器を取外した場合にも母線側断路器の遮断器側端子を接
地する接地開閉器が残置されるため1作業中の感電の危
険が除去され、且つ遮断器を取外した後遮断器の遮断器
側端子を別の方法で再度接地する等の余分な作業が不必
要となる。又、必要最小限の容器にて装置が構成され、
装置側面の長手寸法が縮小可能である。
(Function) In the present invention having the above-described configuration, first. Since a grounding switch is installed in the second bus-side unit, even if the breaker is removed, the grounding switch that grounds the breaker-side terminal of the bus-side disconnector remains, thereby preventing electric shock during one operation. The danger is eliminated, and extra work such as re-grounding the circuit breaker side terminal of the circuit breaker by another method after removing the circuit breaker is unnecessary. In addition, the device is configured with the minimum number of containers necessary,
The longitudinal dimension of the side surface of the device can be reduced.

(実施例) 進んで本発明のガス絶縁開閉装置の一実施例を第1図を
用いて説明する。
(Example) Next, an example of the gas insulated switchgear of the present invention will be described with reference to FIG.

なお、従来の技術と同一部分については同一符号を付し
て説明を省略する。
Note that the same parts as those in the prior art are given the same reference numerals and the description thereof will be omitted.

本実施例の構成* 第1図は第7図に示した従来型と同じ2重母線方式のケ
ーブル引込み回線を本発明により構成した三相−タンク
型ガス絶縁開閉装置の一部切欠側断面図、第2図は本回
路の単線結線図である。第1図において、第1.第2の
母線ユニット2に配設されている第1.第2の三相主母
線等の設置手段は周知の構成であり、遮断器容器6の軸
線と直角の水平方向に設けられている三相主母線13a
Configuration of this embodiment* Fig. 1 is a partially cutaway side sectional view of a three-phase tank-type gas insulated switchgear in which the cable lead-in line of the same double-bus type as the conventional type shown in Fig. 7 is constructed according to the present invention. , FIG. 2 is a single line diagram of this circuit. In FIG. 1, 1. The first. The installation means for the second three-phase main bus bar etc. has a well-known configuration, and the three-phase main bus bar 13a is provided in the horizontal direction perpendicular to the axis of the circuit breaker container 6.
.

13bに、第1.第2母線側断路器14a、14bの可
動子が接続され、一方、この第1.第2ffl線側断路
器14a、14bの固定子は、従来の構成であれば前記
遮断器容器6の第1.第2の母線接続用口出端子に接続
されている遮断器接続端子部17a、17bに接続され
、絶縁スペーサ18a、1Bbを介して各々分岐導体1
1へと連結されていたが、本発明のガス絶縁開閉装置で
は、前記母線側絶路器14a、14bの遮断器側端子と
前記遮断器接続端子部17a、17bとの間に、第1.
第2の遮断器メインテナンス用接地開閉器30a、30
bが配設されている。この第1.第2の遮断器メインテ
ナンス用接地開閉器30a。
13b, the first. The movers of the second busbar side disconnectors 14a, 14b are connected, while the first... If the stator of the second ffl line side disconnectors 14a, 14b has a conventional configuration, the stator of the second ffl line side disconnector 14a, 14b would be the first stator of the circuit breaker container 6. The branch conductor 1 is connected to the circuit breaker connection terminal portions 17a and 17b connected to the second busbar connection outlet terminal, and is connected to the branch conductor 1 through insulating spacers 18a and 1Bb.
However, in the gas insulated switchgear of the present invention, the first.
Second circuit breaker maintenance grounding switch 30a, 30
b is provided. This first. Second circuit breaker maintenance grounding switch 30a.

30 ’bは、前記第1.第2母線側断路器14a。30'b is the first. Second busbar side disconnector 14a.

14bの固定子延長方向の導体上に固定子が設けられ、
これに対向して水平に運動し前記固定子に接触する可動
子が配設されている。更に、これら遮断器メインテナン
ス用接地開閉器30a、30bの可動子を駆動する第1
.第2の遮断器メインテナンス用接地開閉器回軸駆動軸
318.31bが鉛直方向の同一軸線上に配置されてい
る。この両部動軸31a、31bは、第1.第2の母線
ユニット2,3間方向に対向して設(プられ、更に、こ
の両部動軸31a、31bが一組の連結リンク32を介
して、接地開閉器操作器33に連結されている。この接
地開閉器操作器33は、第1.第2の主母線13a、1
3bの前面で且つ前記母線側断路器操作器22a、22
bの間に配設され、この接地開閉器操作器33の指令に
より、第1゜第2の遮断器メインテナンス用接地開閉器
30a。
A stator is provided on the conductor in the stator extension direction of 14b,
A movable element that moves horizontally and contacts the stator is disposed opposite to the movable element. Furthermore, a first
.. The second circuit breaker maintenance earthing switch rotary drive shaft 318.31b is arranged on the same axis in the vertical direction. The two moving shafts 31a, 31b are connected to the first. The second busbar units 2 and 3 are arranged to face each other in the direction between them, and furthermore, the moving shafts 31a and 31b of both parts are connected to an earthing switch operating device 33 via a set of connection links 32. This earthing switch operating device 33 is connected to the first and second main busbars 13a, 1
3b and the busbar side disconnector operating device 22a, 22
According to a command from this earthing switch operating device 33, the earthing switch 30a for breaker maintenance is disposed between the first and second circuit breaker maintenance earthing switches 30a.

30bが一括して操作される。又、第2の母線側ユニッ
ト3の下部には、当該回線の制御盤34か配、iUされ
ている。
30b are operated all at once. Further, a control panel 34 for the line is arranged at the bottom of the second bus-side unit 3.

本実施例の作用* 本実施例のガス絶縁開閉装置によれば、第1及び第2の
主母線13a、13bのいずれか一方又は両方を、活線
状態にしたままで遮断器1を取外して点検しようとする
場合、まず第1及び第2の母線側断路器14a、14b
を開路し、第1及び第2の遮断器メインテナンス用接地
開閉器30a。
Effects of this embodiment* According to the gas insulated switchgear of this embodiment, the circuit breaker 1 can be removed while keeping either or both of the first and second main busbars 13a, 13b in the live state. When inspecting, first check the first and second bus-side disconnectors 14a and 14b.
The first and second circuit breaker maintenance grounding switches 30a are opened.

30bにより、前記母線側絶路器14a、14bの遮断
器1側端子を接地する。その後、遮断器1の第1及び第
2の母線接続用口出端子部8.9と絶縁スペーサ18a
、18bとの間をそれぞれ切離すことにより、当該遮断
器1を取外す。なお、線路側機器については、事前に遮
断器1及び線路側断路器25を開路し、接地開閉器27
及び28を接地した状態で、線路側ユニット4を線路側
機器口出端子10により切離しておく。
30b, the circuit breaker 1 side terminals of the busbar side disconnectors 14a, 14b are grounded. After that, the first and second busbar connection outlet terminal portions 8.9 of the circuit breaker 1 and the insulating spacer 18a
, 18b, the circuit breaker 1 is removed. For track side equipment, open the circuit breaker 1 and track side disconnector 25 in advance, and close the grounding switch 27.
and 28 are grounded, and the track side unit 4 is disconnected by the track side equipment outlet terminal 10.

本実施例の効果* 以上のように本実施例における遮断器メインテナンス作
業では、遮断器取外し後においても、第1及び第2の遮
断器メインテナンス用接地開閉器30a、30bは母線
側ユニット2,3に残置され、第1及び第2の母線側絡
路器14a、14bの遮断器1側端子は接地された状態
となるため、作業時の感電の危険はない。更に、第1及
び第2の遮断器メインテナンス用接地開閉器30a、3
obは、−個の接地開閉器操作器33により共通に操作
可能であり、接地作業は接地開閉器−個の場合と全く同
等にできる。
Effects of this embodiment* As described above, in the circuit breaker maintenance work of this embodiment, even after the circuit breaker is removed, the first and second circuit breaker maintenance earthing switches 30a and 30b are connected to the busbar side units 2 and 3. Since the circuit breaker 1 side terminals of the first and second busbar side circuit switches 14a and 14b are grounded, there is no risk of electric shock during work. Furthermore, first and second circuit breaker maintenance grounding switches 30a, 3
ob can be operated in common by - earthing switch operating devices 33, and the grounding work can be performed in exactly the same way as in the case of - earthing switches.

又、第1及び第2の遮断器メインデナンス用接地開閉器
30a、30bは、それぞれ第1及び第2の母線側ユニ
ット容器16a、16b内に他の母線側機器と一括して
収納されており、装置全体の構成が単純化れる。その1
、遮断器容器6内には、当該遮断器の遮断部5と分岐導
体11及び接続導体12が収納されるのみであり、遮断
器メインデナンス用接地開閉器30a、30bをも同時
に収納する場合に比べ、遮断器容器6が小型化される。
Further, the first and second circuit breaker main denance earthing switches 30a, 30b are housed together with other bus-side equipment in the first and second bus-side unit containers 16a, 16b, respectively. The configuration of the entire device can be simplified. Part 1
, only the interrupting part 5, branch conductor 11, and connecting conductor 12 of the circuit breaker are housed in the circuit breaker container 6, compared to the case where the circuit breaker main maintenance grounding switches 30a and 30b are also housed at the same time. , the circuit breaker container 6 is downsized.

更に、第1及び第2の遮断器メインテナンス用接地開閉
器30a、30bの一個の接地開閉器操作器33は、第
1及び第2の母線側絶路器操作器22a、22bの間に
配設し、又、当該回路の制御盤34を母線側ユニットの
下部に配設したため、全体としてガス絶縁開閉装置側面
の長手寸法を縮小することができる。
Further, one earthing switch operating device 33 of the first and second circuit breaker maintenance grounding switches 30a, 30b is disposed between the first and second bus-side disconnecting switch operating devices 22a, 22b. Furthermore, since the control panel 34 of the circuit is disposed at the lower part of the bus bar side unit, the longitudinal dimension of the side surface of the gas insulated switchgear can be reduced as a whole.

*他の実施例* なお、本発明は上記の実施例に限定されるものではなく
、第3図〜第6図に示すような構成であってもよい。第
3図、第4図において、遮断器1の遮断器容器6側面に
は、同一方向に突出し且つ上下に平行して配置した第1
及び第2の母線接続用口出端子部35.36を設Cプる
。この第1及び第2ffl線接続用口出端子部35.3
6には、当該遮断器の遮断部5の両端をそれぞれ接続導
体37及び38により導出する。更に、該母線接続用口
出端子部35.36には、第1図および第2図に示した
ものと同じ第1及び第2の母線側ユニット2.3を、そ
れぞれ変流器39a又は39bを介し、且つ前記変流器
39a、39bと遮断器容器6との間に第1及び第2の
絶縁スペーサ18a又は18bS−配設して接続しても
よい。
*Other Embodiments* The present invention is not limited to the above-mentioned embodiments, but may be structured as shown in FIGS. 3 to 6. 3 and 4, on the side surface of the circuit breaker container 6 of the circuit breaker 1, there are first holes protruding in the same direction and arranged vertically in parallel.
and second bus bar connection outlet terminal portions 35 and 36 are provided. This first and second ffl line connection outlet terminal part 35.3
6, both ends of the interrupting part 5 of the circuit breaker are led out by connecting conductors 37 and 38, respectively. Further, the first and second bus-side units 2.3, which are the same as those shown in FIGS. The first and second insulating spacers 18a and 18bS may be disposed and connected between the current transformers 39a and 39b and the circuit breaker container 6.

以上のように構成したガス絶縁開閉装置においても、主
母線13a、13bを活線状態としたままで遮断器1を
取外して点検を行う場合、遮断器1を第1.第2の絶縁
スペーサ18a及び18bと当該遮断器の母線接続用口
出端子部35及び36との間で切離して取外せばよく、
メインデナンス作業の安全性及び作業性に関して第1図
及び第2図に示したガス絶縁開閉装置と全く同様の効果
がjqられる。又、装置全体の寸法に関しても前記実施
例と同様に、側面長手寸法を縮小することができる。
Even in the gas insulated switchgear configured as described above, when the circuit breaker 1 is removed and inspected while the main busbars 13a and 13b are in the live state, the circuit breaker 1 is removed from the first. It is only necessary to separate and remove the second insulating spacers 18a and 18b and the busbar connection outlet terminal parts 35 and 36 of the circuit breaker,
With regard to the safety and workability of maintenance work, the same effects as the gas insulated switchgear shown in FIGS. 1 and 2 can be achieved. Further, regarding the dimensions of the entire device, the side longitudinal dimension can be reduced as in the previous embodiment.

又、第5図及び第6図に記載のものは、2重母線のうち
区分される母線の一方側を第1の主母線13a、使方側
を第2の主母線13bとして、この間に接続される断路
器14a、14b、i13断器メインテナンス用接地開
閉器30a、30b、変流器39a、39b、遮断器]
を第3図及び第4図に示した母線連結回線のカス絶縁開
閉装置と同じ形に構成lる。ぞして、遮断器1を架台4
0の上に配置して、前記第2の主母線13bの位置が線
路引込み回線、母線連絡回線等における上側の主母線位
置と一致するように、このユニット全体を持上げて配設
する。ただし、遮断器メインテナンス用接地開閉器30
a、30bの操作器33は、操作を容易にするため、第
2の主母線13bの下部前面に配置する。更に、前記第
2の主母線13bと制御盤34の間に、2重母線の他の
一方の母線を第1.第2の主母線13a、13bと平行
に配置してもよい。本構成においても、第1.第2図及
び第3.第4図に示したガス絶縁開閉装置と同じ作用・
効果が得られる。
In addition, in the case shown in FIG. 5 and FIG. 6, one side of the divided bus of the double busbar is the first main busbar 13a, and the used side is the second main busbar 13b, and there is a connection between them. disconnectors 14a, 14b, i13 disconnector maintenance grounding switches 30a, 30b, current transformers 39a, 39b, circuit breakers]
is constructed in the same form as the insulated switchgear for the busbar connection line shown in FIGS. 3 and 4. Then, place the circuit breaker 1 on the stand 4.
0, and the entire unit is lifted and placed so that the position of the second main bus bar 13b matches the position of the upper main bus bar in the track lead-in line, bus bar connection line, etc. However, the earthing switch 30 for circuit breaker maintenance
The operating devices 33 a and 30b are arranged at the lower front surface of the second main bus bar 13b to facilitate operation. Further, between the second main bus bar 13b and the control panel 34, the other bus bar of the double bus bar is connected to the first bus bar. It may be arranged parallel to the second main generatrix 13a, 13b. Also in this configuration, the first. Figures 2 and 3. The same function and function as the gas insulated switchgear shown in Figure 4.
Effects can be obtained.

なお、以上第3乃至第6図に示したガス絶縁開閉装置で
は、いずれも遮断器1の両端に変流器39a、39bが
配設されているが、変流器39a。
In the gas-insulated switchgear shown in FIGS. 3 to 6 above, current transformers 39a and 39b are provided at both ends of the circuit breaker 1, but the current transformer 39a is the same as the current transformer 39a.

39bが一方のみで形成されている場合もある。39b may be formed only on one side.

この時には、変流器が無い側を接続母線により構成する
ことにより、前記と同様に構成することができる。又、
第5図及び第6図に示した母線区分回線は2重母線方式
の場合であるが、単母線方式の場合には、区分する母線
の一方側を第1の主母線13a、他方側を第2の主母線
13bとして第3図及び第4図に示した2重母線方式の
母線連絡回線と同様に構成することができる。更に、2
重母線方式のブッシング引込み回線についても、第1図
及び第2図に示したケーブル引込み回線の線路側ユニッ
ト4を変更することにより、母線側は全く同一に構成で
きる。そして、以上全ての構成において、遮断器メイン
テナンス時における安全性、作業性及び装置全体の寸法
に関し、第1図乃至第6図に示したガス絶縁開閉装置と
同様の作用・効果が得られる。
At this time, the same configuration as above can be achieved by configuring the side without the current transformer with a connecting bus bar. or,
The bus line division circuits shown in FIGS. 5 and 6 are of a double bus system, but in the case of a single bus system, one side of the bus to be divided is the first main bus 13a, and the other side is the first main bus 13a. The second main bus line 13b can be constructed in the same manner as the bus line communication line of the double bus system shown in FIGS. 3 and 4. Furthermore, 2
Regarding the bushing lead-in line of the heavy bus type, the bus line side can be configured in exactly the same way by changing the line side unit 4 of the cable lead-in line shown in FIGS. 1 and 2. In all of the above configurations, the same functions and effects as the gas insulated switchgear shown in FIGS. 1 to 6 can be obtained in terms of safety, workability, and overall device dimensions during circuit breaker maintenance.

[発明の効果] 以上の通り本発明によれば、遮断器メインテナ゛7フ田
培1(b開PJI翼を丹鯵佃1ユニット内に収納したこ
とにより、遮断器を取外して点検を行う場合に、母線側
機器の接地作業は一個の操作器を一回操作するのみでよ
く、又操作中宮に母線側断路器の遮断器側端子は接地状
態となり、又、必要最小限の容器にて装置が構成され、
且つ側面の長手寸法が縮小されるため、遮断器のメイン
テナンス作業性及び作業時の安全性を向上させた小型で
且つ構成の簡単なガス絶縁開閉装置を提供することがで
きる。
[Effects of the Invention] As described above, according to the present invention, by storing the circuit breaker maintainer 7 and the open PJI blade in the unit 1, it is possible to remove the circuit breaker for inspection. In addition, the grounding of the bus-side equipment requires only one operation of one operating device, and the breaker-side terminal of the bus-side disconnector is grounded during operation, and the equipment is installed in the minimum necessary container. is configured,
In addition, since the longitudinal dimension of the side surface is reduced, it is possible to provide a gas insulated switchgear that is small in size and has a simple configuration, which improves the workability of maintaining the circuit breaker and the safety during operation.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例を示す2重母線方式ケーブル
引込み回線のガス絶縁開閉装置の一部切欠側断面図、第
2図は第1図に示すガス絶縁開閉装置の単線結線図、第
3図は本発明の他の実施例を示す2重母線方式母線連絡
回線のガス絶縁開閉装置の一部切欠側断面図、第4図は
第3図の同単線結線図、第5図は本発明の更に他の実施
例を示す2重母線方式母線区分回線のガス絶縁開閉装置
の側面図、第6図は第5図の同単線結線図、第7図は従
来の2重母線方式ケーブル引込み回線のガス絶縁開閉装
置の側面図である。 1・・・遮断器、2,3・・・第1.第2の母線側ユニ
ット、4・・・線路側ユニット、5・・・遮断部、6・
・・遮断器容器、7・・・遮断器機構箱、8,9・・・
″a断器の第1.第2の母線接続用口出端子部、10・
・・線路側機器接続用口出端子部、11・・・分岐導体
、12・・・接続導体、13a、13b・・・第1.第
2の主母線、14a、14b・・・第1.第2の母線側
断路器、15・・・遮断器メインテナンス用接地開閉器
、16a、16b・・・第1.第2の母線側ユニット、
17a、17b・!!I断器接続端子部、18a、18
b・・・第1.第2の絶縁スペーサ、22a、22b・
・・第1.第2の母線側断路器操作器、23・・・絶縁
スペーサ、24・・・変流器、25・・・線路側断路器
、26・・・ケーブルヘッド、27・・・遮断器メイン
テナンス用接地開閉器、28・・・線路接地用接地開閉
器、29・・・線路側ユニット容器、30a、30b・
・・第1、第2の遮断器メインテナンス用接地開閉器、
31a、31b・・・第1.第2の遮断器メインテナン
ス用接地開閉器駆!J!軸、32・・・連結リンク、3
3・・・接地開閉器操作器、34・・・制御盤、35,
36・・・第1.第2の母線接続用口出端子部、37゜
38・・・接続導体、39a、39b・・・変流器、4
0・・・架台。 第2図 4b 第 3 悶 ユ 名 43 13b+4Q  1台0 4b30b 第 5 図 第 6−
FIG. 1 is a partially cutaway side sectional view of a gas insulated switchgear for a double bus type cable lead-in line showing an embodiment of the present invention, FIG. 2 is a single line diagram of the gas insulated switchgear shown in FIG. 1, Fig. 3 is a partially cutaway side sectional view of a gas insulated switchgear for a double bus type busbar connection line showing another embodiment of the present invention, Fig. 4 is a single line diagram of the same as Fig. 3, and Fig. 5 is A side view of a gas insulated switchgear for a double bus line bus division line showing still another embodiment of the present invention, FIG. 6 is the same single line connection diagram as in FIG. 5, and FIG. 7 is a conventional double bus line cable It is a side view of the gas-insulated switchgear of a lead-in line. 1... Circuit breaker, 2, 3... 1st. 2nd busbar side unit, 4... Track side unit, 5... Breaking part, 6...
... Breaker container, 7... Breaker mechanism box, 8, 9...
``a Disconnector 1st and 2nd bus connection outlet terminal part, 10.
...Output terminal section for connecting equipment on the track side, 11... Branch conductor, 12... Connection conductor, 13a, 13b... 1st. 2nd main bus line, 14a, 14b... 1st. 2nd busbar side disconnector, 15... Earthing switch for circuit breaker maintenance, 16a, 16b... 1st. a second busbar side unit;
17a, 17b・! ! I disconnection connection terminal section, 18a, 18
b... 1st. Second insulating spacer, 22a, 22b.
...First. 2nd bus-side disconnector operator, 23... Insulating spacer, 24... Current transformer, 25... Line-side disconnector, 26... Cable head, 27... Ground for circuit breaker maintenance. Switch, 28... Earthing switch for track grounding, 29... Track side unit container, 30a, 30b.
...Earthing switch for first and second circuit breaker maintenance,
31a, 31b... 1st. The second grounding switch drive for circuit breaker maintenance! J! Axis, 32...Connection link, 3
3... Earthing switch operator, 34... Control panel, 35,
36...1st. Second bus bar connection outlet terminal part, 37° 38... Connection conductor, 39a, 39b... Current transformer, 4
0... mount. Figure 2 4b 3rd Agony name 43 13b+4Q 1 unit 0 4b30b Figure 5 6-

Claims (1)

【特許請求の範囲】  第1の主母線と第1の母線側絶路器とを含んでなる第
1の母線側ユニットと、第2の主母線と第2の母線側絶
路器とを含んでなる第2の母線側ユニットとを、遮断器
の軸線と直角の同一方向に並置した該遮断器の第1、第
2の口出端子部に、それぞれガス区分して平行に接続し
てなるガス絶縁開閉装置において、 前記第1、第2の母線側断路器の遮断器側端子と前記第
1、第2の遮断器口出端子部との間に、それぞれ第1、
第2の接地開閉器を配設し、該第1、第2の接地開閉器
には、各々を駆動する回転駆動軸を、前記第1、第2の
母線側ユニット間に、遮断器の軸線と平行な同一軸線上
に対向して配置し、両回転駆動軸を一組の連結リンクを
介して一個の操作器に接続したことを特徴とするガス絶
縁開閉装置。
[Scope of Claims] A first bus-side unit including a first main bus and a first bus-side disconnector; and a second bus-side unit including a second main bus and a second bus-side disconnector. A second bus bar side unit consisting of a second bus bar side unit is connected in parallel to the first and second outlet terminal portions of the circuit breaker which are arranged in parallel in the same direction perpendicular to the axis of the circuit breaker, respectively, with gas separated. In the gas-insulated switchgear, a first,
A second earthing switch is disposed, and a rotary drive shaft for driving each of the first and second earthing switches is connected between the first and second busbar side units so that the axis of the circuit breaker A gas insulated switchgear characterized in that the rotary drive shafts are arranged facing each other on the same axis parallel to the above and connected to a single operating device via a set of connecting links.
JP63081421A 1988-04-04 1988-04-04 Gas insulated switchgear Expired - Lifetime JP2798930B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63081421A JP2798930B2 (en) 1988-04-04 1988-04-04 Gas insulated switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63081421A JP2798930B2 (en) 1988-04-04 1988-04-04 Gas insulated switchgear

Publications (2)

Publication Number Publication Date
JPH01255409A true JPH01255409A (en) 1989-10-12
JP2798930B2 JP2798930B2 (en) 1998-09-17

Family

ID=13745894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63081421A Expired - Lifetime JP2798930B2 (en) 1988-04-04 1988-04-04 Gas insulated switchgear

Country Status (1)

Country Link
JP (1) JP2798930B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03159506A (en) * 1989-11-17 1991-07-09 Toshiba Corp Gas insulated switchgear
WO2008139592A1 (en) * 2007-05-11 2008-11-20 Mitsubishi Electric Corporation Gas insulation switching device
JP2012019686A (en) * 2011-09-16 2012-01-26 Mitsubishi Electric Corp Gas insulation switchgear
CN111628413A (en) * 2020-05-20 2020-09-04 上海华声电气研究所 Movable safety isolation structure of power supply and distribution system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109707A (en) * 1983-11-16 1985-06-15 株式会社日立製作所 Gas insulated switchiung device
JPS6260410A (en) * 1985-09-11 1987-03-17 株式会社東芝 Gas insulated switching device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109707A (en) * 1983-11-16 1985-06-15 株式会社日立製作所 Gas insulated switchiung device
JPS6260410A (en) * 1985-09-11 1987-03-17 株式会社東芝 Gas insulated switching device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03159506A (en) * 1989-11-17 1991-07-09 Toshiba Corp Gas insulated switchgear
WO2008139592A1 (en) * 2007-05-11 2008-11-20 Mitsubishi Electric Corporation Gas insulation switching device
JPWO2008139592A1 (en) * 2007-05-11 2010-07-29 三菱電機株式会社 Gas insulated switchgear
US7911770B2 (en) 2007-05-11 2011-03-22 Mitsubishi Electric Corporation Gas insulated switchgear
JP2012019686A (en) * 2011-09-16 2012-01-26 Mitsubishi Electric Corp Gas insulation switchgear
CN111628413A (en) * 2020-05-20 2020-09-04 上海华声电气研究所 Movable safety isolation structure of power supply and distribution system

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JP2798930B2 (en) 1998-09-17

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