JP2793701B2 - Switchgear - Google Patents
SwitchgearInfo
- Publication number
- JP2793701B2 JP2793701B2 JP2193699A JP19369990A JP2793701B2 JP 2793701 B2 JP2793701 B2 JP 2793701B2 JP 2193699 A JP2193699 A JP 2193699A JP 19369990 A JP19369990 A JP 19369990A JP 2793701 B2 JP2793701 B2 JP 2793701B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- switchgear
- bushing
- switch
- flange
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Gas-Insulated Switchgears (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、筐体内に複数の開閉器を収納した開閉装
置に関するものである。Description: TECHNICAL FIELD The present invention relates to a switchgear having a plurality of switches housed in a housing.
この種従来の開閉装置は、例えば特開昭60−261312号
公報に示されるように構成されている。すなわち、第７
図は概略構成を示す図、第８図および第９図は具体的な
構成の正面および側面をそれぞれ示す断面図、第10図は
開閉装置の筐体の構成を示す斜視図である。This type of conventional switchgear is configured, for example, as disclosed in Japanese Patent Application Laid-Open No. 60-261312. That is, the seventh
Figures are diagrams showing a schematic configuration, Figs. 8 and 9 are cross-sectional views showing the front and side surfaces of a specific configuration, respectively, and Fig. 10 is a perspective view showing a configuration of a housing of a switchgear.
各図において、（１）は真空形の開閉器、（2a）、
（2b）、（2c）は回動形可動接触子を備えた開閉器、
（３）はこれら両開閉器（１）、（2a）、（2b）、（2
c）を絶縁性ガス雰囲気中に収納する容器で、第10図に
示すように三方向に開口を有するＴ字形円筒で構成され
ている。（4a）、（4b）、（4c）は容器（３）に支持さ
れ、開閉器（2a）、（2b）、（2c）の一端側と容器
（３）外とを電気的に接続するためのブッシングであ
る。In each figure, (1) is a vacuum type switch, (2a),
(2b) and (2c) are switches equipped with a rotary movable contact,
(3) indicates these switches (1), (2a), (2b), and (2)
This is a container for accommodating c) in an insulating gas atmosphere, and is composed of a T-shaped cylinder having openings in three directions as shown in FIG. (4a), (4b) and (4c) are supported by the container (3) to electrically connect one end of the switches (2a), (2b) and (2c) to the outside of the container (3). Bushing.
上記のように構成された開閉装置においては、開閉器
（2a）と開閉器（2c）とが閉極することによりブッシン
グ（4a）とブッシング（4c）とが導通状態となり、又、
開閉器（１）と開閉器（2b）とが閉極することによりブ
ッシング（4b）への分岐接続が行なわれ、ブッシング
（4b）に接続される例えばトランス等の電気機器（図示
せず）に給電される。In the switchgear configured as described above, the bushing (4a) and the bushing (4c) are brought into conduction by closing the switch (2a) and the switch (2c), and
When the switch (1) and the switch (2b) are closed, a branch connection to the bushing (4b) is made, and an electrical device (not shown) such as a transformer connected to the bushing (4b) is connected to the bushing (4b). Powered.
従来の開閉装置は以上のように構成されているので、
容器内での組立作業が困難であるため容易化るには容器
が大形化する。又、一つの容器内に各開閉器を構成して
いるため開閉器の組込台数を追加することができず、ブ
ッシングの取出し方向も一方向に限定される等の問題点
を有していた。Since the conventional switchgear is configured as described above,
Since the assembling operation in the container is difficult, the container is enlarged to facilitate the assembly operation. Further, since each switch is configured in one container, the number of switches to be incorporated cannot be added, and the take-out direction of the bushing is limited to one direction. .
この発明は上記のような問題点を解消するためになさ
れたもので、容器の小形化ならびに開閉器の組込台数の
追加が可能でブッシングの取出し方向も自在な開閉装置
を得ることを目的とする。The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a switchgear capable of reducing the size of a container and adding the number of switches to be assembled, and allowing a bushing to be freely taken out. I do.
この発明に係る開閉装置は、両端開口部にフランジを
有する円筒状の筐体と、この筐体内に上記フランジの面
と並行に収納され且つ一方の端子はブッシングを介して
上記導体外に導出されるスイッチとからなる複数のスイ
ッチユニットを、上記フランジの面を介して複数段積重
するとともに、上記各スイッチの他方の端子同士を上記
筐体内で接続したものである。The switchgear according to the present invention is a cylindrical housing having a flange at both ends opening, and is housed in this housing in parallel with the surface of the flange, and one terminal is led out of the conductor through a bushing. And a plurality of switch units each including a plurality of switches, which are stacked in a plurality of stages via the surface of the flange, and the other terminals of the respective switches are connected in the housing.
又、筐体を胴部が切欠かれた筒体状の筒体と、上記切
欠部に挿着され少なくとも２面に平面取付面を有する角
形箱体とで構成したものである。Further, the housing is constituted by a cylindrical body having a body cut out, and a rectangular box inserted into the notch and having a flat mounting surface on at least two surfaces.
さらに、複数のスイッチの他方の端子を円筒状の筒体
のほぼ円中心線上に配置したものである。Further, the other terminals of the plurality of switches are arranged substantially on the center line of the cylindrical body.
この発明における開閉装置は、スイッチユニットを複
数段積重することにより開閉器の組込台数の追加がなさ
れ、組込方向を変えることによりブッシングの取出し方
向が自在となる。In the switchgear according to the present invention, the number of switches installed can be increased by stacking a plurality of switch units, and the direction of taking out the bushing can be freely changed by changing the mounting direction.
以下、この発明の一実施例における開閉装置を図に基
いて説明する。第１図はこの発明の一実施例における開
閉装置の構成を示す図、第２図および第３図は第１図に
おける開閉装置の主要部を構成するスイッチユニットの
構成をそれぞれ示す正面図および側面図、第４図
（ａ）、（ｂ）、（ｃ）（ｄ）は第２図および第３図に
おけるスイッチユニットの筐体の構成をそれぞれ示す正
面図、左側面図、右側面図および底面図である。図にお
いて、（５）は筐体で、第４図に示すように両端開口部
にフランジ（６）を有する円筒状の筒体（７）と、この
筒体（７）の胴部に切欠きを設けてこの切欠き部に挿着
された２面に平面取付面（8a）を有する角形箱体（８）
とで構成されている。（９）は後述のブッシング（10）
を取付けるための取付枠である。（10）はこの取付枠
（９）に取付けられ角形箱体（８）を貫通するブッシン
グで、一端側は筐体（５）の外部側でケーブルとコネク
タ接続できるようになっている。（11）はブッシング
（10）の他端側と固定端子（11a）を介して接続されフ
ランジ（６）の面にほぼ並行に配設される真空しゃ断器
で、それぞれ可動および固定の一対の接点が内蔵され、
可動接点側は筒体（７）のほぼ円中心線上に配される可
動端子（11b）を介して絶縁ロッド（13）に連結されて
いる。（14）は操作機構で操作軸（15）、リンク（1
6）、主軸（17）を介して絶縁ロッド（13）に連結され
ている。そして、これら筐体（５）ないし主軸（17）は
真空しゃ断器ユニット（20）を構成し、この真空しゃ断
器ユニット（20）を第１図に示すように複数段積重する
ことにより開閉装置（30）が構成される。又、それぞれ
の可動端子（11b）を可撓導体（18）で接続すると第５
図の単線図で示すような構成となる。この真空しゃ断器
ユニット（20）は１台の３相真空しゃ断器としての機能
を持つもので、操作機構（14）の動作により操作軸（1
5）が回動し、リンク（16）を介して主軸（17）を回動
させて絶縁ロッド（13）を上昇、下降させることにより
開閉動作が行なわれる。Hereinafter, a switching device according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing the structure of a switchgear according to an embodiment of the present invention, and FIGS. 2 and 3 are front views and side views respectively showing the structure of a switch unit constituting a main part of the switchgear in FIG. FIGS. 4 (a), 4 (b), (c), and (d) are a front view, a left side view, a right side view, and a bottom view showing the configuration of the housing of the switch unit in FIGS. 2 and 3, respectively. FIG. In the drawing, reference numeral (5) denotes a housing, as shown in FIG. 4, a cylindrical tube (7) having flanges (6) at both end openings, and a notch in the body of the tube (7). And a rectangular box (8) having a flat mounting surface (8a) on two surfaces inserted into the cutouts.
It is composed of (9) is the bushing described later (10)
This is a mounting frame for mounting. A bushing (10) is mounted on the mounting frame (9) and penetrates the rectangular box (8). One end of the bushing can be connected to a cable and a connector outside the housing (5). (11) is a vacuum circuit breaker connected to the other end of the bushing (10) via the fixed terminal (11a) and arranged substantially parallel to the surface of the flange (6). Is built-in,
The movable contact is connected to the insulating rod (13) via a movable terminal (11b) arranged substantially on the center line of the cylinder (7). (14) is an operation mechanism with an operation axis (15) and a link (1
6), connected to the insulating rod (13) via the main shaft (17). The housing (5) or the main shaft (17) constitutes a vacuum circuit breaker unit (20), and the vacuum circuit breaker unit (20) is stacked in a plurality of stages as shown in FIG. (30) is configured. When the movable terminals (11b) are connected by the flexible conductor (18),
The configuration is as shown in the single line diagram of FIG. The vacuum circuit breaker unit (20) has a function as one three-phase vacuum circuit breaker, and operates the operation shaft (1) by operating the operation mechanism (14).
5) is rotated, and the main shaft (17) is rotated via the link (16) to raise and lower the insulating rod (13), whereby the opening and closing operation is performed.
この真空しゃ断器ユニット（20）を第１図のように組
合せた開閉装置（30）は、第５図に示すように両端の真
空しゃ断器ユニット（20）の間に残りの真空しゃ断器ユ
ニット（20）を接続することができる。As shown in FIG. 5, the opening / closing device (30) in which the vacuum circuit breaker units (20) are combined as shown in FIG. 5 provides the remaining vacuum circuit breaker units (20) between the vacuum circuit breaker units (20) at both ends. 20) can be connected.
又、ブッシング（10）はケーブルとコネクタ接続であ
るため断路器の機能も有する。Further, the bushing (10) has a disconnecting function because it is connected to a cable and a connector.
上記のように構成されたこの発明の一実施例における
開閉装置においては、真空しゃ断器（11）はそれぞれ分
離した筐体（５）内に収納され且つ両端開口部に設けら
れたフランジ（６）の面と並行に配設されているので、
作業スペースが確保され筐体（５）内における組立作業
が容易となり真空しゃ断器ユニット（20）が簡単に組立
てられ、筐体（５）も大形化することはない。このよう
に組立てられた真空しゃ断器ユニット（20）を第１図に
示すように必要な数だけ積重ねて開閉装置（30）を構成
すれば組込台数の追加、削減も容易となり、組立の際に
ブッシング（６）の取出し方向も自由に選択することが
できる。In the switchgear according to the embodiment of the present invention configured as described above, the vacuum circuit breakers (11) are housed in separate housings (5), and the flanges (6) provided at the openings at both ends. Since it is arranged in parallel with the surface of
A work space is secured, the assembling work in the housing (5) is facilitated, the vacuum circuit breaker unit (20) is easily assembled, and the housing (5) is not enlarged. If the required number of vacuum circuit breaker units (20) assembled in this way are stacked as required to form the switchgear (30) as shown in FIG. 1, it is easy to add and reduce the number of assembled units. The direction of taking out the bushing (6) can also be freely selected.
又、筐体（５）は胴部が切欠かれた円筒状の筒体
（７）と、少なくとも２面に平面取付面（8a）を有する
角形箱体（８）とを切欠き部で組合せて構成したので、
個々の筐体（５）の製作が容易となり密封信頼性の向上
も期待できる。Further, the housing (5) is formed by combining a cylindrical tubular body (7) with a cut-out body with a rectangular box (8) having a flat mounting surface (8a) on at least two sides at a cut-out portion. Because we configured
The manufacture of the individual housings (5) is facilitated, and improvement in sealing reliability can be expected.
尚、上記実施例においてはスイッチとして真空しゃ断
器（11）を例に説明したが、例えばガスしゃ断器等他の
しゃ断器、負荷開閉器、断路器、あるいは第６図に示さ
れるように真空しゃ断器（11）と断路器（19）等のよう
にこれらの組合せでも同様の効果を奏する。In the above embodiment, the vacuum circuit breaker (11) has been described as an example of a switch. However, for example, another circuit breaker such as a gas circuit breaker, a load switch, a disconnector, or a vacuum circuit breaker as shown in FIG. Similar effects can be obtained with these combinations, such as the switch (11) and the disconnector (19).
又、真空しゃ断器（11）の配置をフランジ（６）の面
と並行に一直線上に配置しているが、フランジ（６）の
面側から見て可動端子（11b）が重ならなければ前後に
ずれた配置となっても同様の効果を奏する。The vacuum circuit breaker (11) is arranged in a straight line in parallel with the surface of the flange (6). However, if the movable terminals (11b) do not overlap when viewed from the surface of the flange (6), the front and rear are arranged. The same effect can be obtained even if the arrangement is shifted.
さらに、筐体（５）を構成する筒体（７）の長さ方向
の寸法を直径寸法の1/2以下の寸法に抑えて構成すれ
ば、角形箱体（８）の平面部に耐圧力のための補強を施
す必要もなくなり軽量化が達成される。Further, if the length of the cylindrical body (7) constituting the housing (5) is suppressed to a dimension not more than 1/2 of the diameter, the pressure resistance of the rectangular box (8) can be reduced. There is no need to provide reinforcement for this purpose, and weight reduction is achieved.
以上のように、請求項１における発明によれば、両端
開口部にフランジを有する円筒状の筐体と、この筐体内
に上記フランジの面と並行に収納され且つ一方の端子は
ブッシングを介して上記導体外に導出されるスイッチと
からなる複数のスイッチユニットを、上記フランジの面
を介して複数段積重するとともに、上記各スイッチの他
方の端子同士を上記筐体内で接続したので、組立作業が
容易になって筐体の小形化が図れると共に、組込台数の
追加、削減が可能になる。As described above, according to the first aspect of the present invention, a cylindrical housing having flanges at both end openings, and the housing is accommodated in the housing in parallel with the surface of the flange, and one terminal is connected via a bushing. A plurality of switch units each including a switch led out of the conductor are stacked in a plurality of stages via the surface of the flange, and the other terminals of the switches are connected to each other in the housing. This facilitates the miniaturization of the housing, and allows the number of built-in units to be added or reduced.
又、請求項２における発明によれば、筐体は胴部が切
欠かれた円筒状の筒体と、上記切欠部に挿着され少なく
とも２面に平面取付面を有する角形箱体とで構成されて
いるので、個々の筐体の製作が容易となり密封信頼性も
向上する。According to the second aspect of the present invention, the housing is composed of a cylindrical tubular body having a body cut out, and a rectangular box inserted into the notch and having at least two flat mounting surfaces. Therefore, it is easy to manufacture individual housings, and the sealing reliability is also improved.
さらに、請求項３における発明によれば複数のスイッ
チの他方の端子を円筒状の筒体のほぼ円中心線上に配置
したので、組立の際にブッシングの取出し方向が自由に
選択でき据付場所に応じた配置が容易になる等の効果が
ある。Further, according to the third aspect of the present invention, the other terminals of the plurality of switches are arranged substantially on the center line of the cylindrical body, so that the direction of taking out the bushing can be freely selected at the time of assembling, so that it can be selected according to the installation location. There are effects such as easy arrangement.
第１図はこの発明の一実施例における開閉装置の構成を
示す図、第２図および第３図は第１図における開閉装置
の主要部を構成するスイッチユニットの正面図および側
面図、第４図はスイッチユニットの筐体の構造を示すも
ので、（ａ）は正面図、（ｂ）は左側面図、（ｃ）は右
側面図および（ｄ）は底面図である。第５図は第１図に
おける開閉装置を電気系統的に示した単線図、第６図こ
の発明の他の実施例における開閉装置の概略構成を示す
図、第７図は従来の開閉装置の概略構成を示す図、第８
図および第９図は第７図における開閉装置の詳細な構造
を示す正面図および側面図、第10図は従来の開閉装置の
筐体を示す斜視図である。 図において、（５）は筐体、（６）はフランジ、（７）
は筒体、（８）は角形箱体、（8a）は平面取付面、（1
0）はブッシング、（11）はスイッチとしての真空しゃ
断器、（11b）は他方の端子としての可動端子、（20）
はスイッチユニットとしての真空しゃ断器ユニットであ
る。 尚、各図中同一符号は同一または相当部分を示す。FIG. 1 is a view showing the structure of a switchgear according to an embodiment of the present invention. FIGS. 2 and 3 are front and side views of a switch unit constituting a main part of the switchgear in FIG. The figures show the structure of the housing of the switch unit, where (a) is a front view, (b) is a left side view, (c) is a right side view, and (d) is a bottom view. Fig. 5 is a single-line diagram showing the switchgear in Fig. 1 in an electric system, Fig. 6 is a diagram showing a schematic configuration of a switchgear in another embodiment of the present invention, and Fig. 7 is a schematic diagram of a conventional switchgear. Diagram showing the configuration, eighth
9 and FIG. 9 are a front view and a side view showing a detailed structure of the switchgear in FIG. 7, and FIG. 10 is a perspective view showing a housing of the conventional switchgear. In the figure, (5) is a housing, (6) is a flange, (7)
Is a cylinder, (8) is a rectangular box, (8a) is a flat mounting surface, (1
0) is a bushing, (11) is a vacuum circuit breaker as a switch, (11b) is a movable terminal as the other terminal, (20)
Is a vacuum circuit breaker unit as a switch unit. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (3)
体と、この筐体内に上記フランジの面と並行に収納され
且つ一方の端子はブッシングを介して上記筐体外に導出
されるスイッチとからなる複数のスイッチユニットを、
上記フランジの面を介して複数段積重するとともに上記
各スイッチの他方の端子同士を上記筐体内で接続したこ
とを特徴とする開閉装置。1. A cylindrical housing having a flange at both end openings, and a switch housed in the housing in parallel with the surface of the flange and having one terminal led out of the housing via a bushing. Multiple switch units consisting of
A switchgear, wherein a plurality of stacks are stacked through the surface of the flange and the other terminals of the switches are connected in the housing.
上記切欠部に挿着され少なくとも２面に平面取付面を有
する角形箱体とで構成されていることを特徴とする特許
請求の範囲第１項記載の開閉装置。2. A housing comprising: a cylindrical body having a body cut out;
2. The opening / closing device according to claim 1, wherein said opening / closing device is constituted by a rectangular box inserted into said notch and having at least two flat mounting surfaces.
体のほぼ円中心線上に配置されていることを特徴とする
特許請求の範囲第１項または第２項のいずれかに記載の
開閉装置。3. The switch according to claim 1, wherein the other terminals of the plurality of switches are arranged on a substantially circular center line of the cylindrical body. Switchgear.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2193699A JP2793701B2 (en) | 1990-07-19 | 1990-07-19 | Switchgear |
| KR1019910006550A KR920003354A (en) | 1990-07-19 | 1991-04-24 | Switchgear |
| GB9115554A GB2246239B (en) | 1990-07-19 | 1991-07-18 | Switching device |
| FR9109104A FR2665030B1 (en) | 1990-07-19 | 1991-07-18 | SWITCHING DEVICE RECEIVING A NUMBER OF SWITCHES IN A HOUSING. |
| DE4129295A DE4129295C1 (en) | 1990-07-19 | 1991-09-03 | |
| KR2019940033204U KR950001291Y1 (en) | 1990-07-19 | 1994-12-08 | Circuit braeker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2193699A JP2793701B2 (en) | 1990-07-19 | 1990-07-19 | Switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0479708A JPH0479708A (en) | 1992-03-13 |
| JP2793701B2 true JP2793701B2 (en) | 1998-09-03 |
Family
ID=16312317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2193699A Expired - Fee Related JP2793701B2 (en) | 1990-07-19 | 1990-07-19 | Switchgear |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2793701B2 (en) |
| KR (1) | KR920003354A (en) |
| DE (1) | DE4129295C1 (en) |
| FR (1) | FR2665030B1 (en) |
| GB (1) | GB2246239B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3936759A1 (en) * | 1989-11-02 | 1991-05-08 | Siemens Ag | THREE-POLE, METAL-ENCLOSED, PRESSURE-GAS-INSULATED, HIGH-VOLTAGE SWITCHGEAR |
| JP2773510B2 (en) * | 1992-02-12 | 1998-07-09 | 三菱電機株式会社 | Gas insulated switchgear |
| DE19744464C1 (en) * | 1997-10-08 | 1998-11-19 | Irina Dipl Ing Bluemel | MV switchgear for ring network voltage station |
| DE10341302B3 (en) * | 2003-09-02 | 2005-02-17 | Siemens Ag | Cable termination module for pressurized gas insulated switchgear has opposing multi-pole cable termination devices with poles arranged in circular path |
| WO2011020507A1 (en) * | 2009-08-20 | 2011-02-24 | Siemens Aktiengesellschaft | Breaker module for medium-voltage switchgear and medium-voltage switchgear |
| DE102012215246A1 (en) * | 2012-08-28 | 2014-03-06 | Siemens Aktiengesellschaft | Pressure fluid insulated switch panel |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB548307A (en) * | 1941-04-02 | 1942-10-06 | Reyrolle A & Co Ltd | Improvements in or relating to enclosed electric switchgear |
| FR1412479A (en) * | 1964-08-01 | 1965-10-01 | Merlin Gerin | Shielded switching installation for medium or high voltage |
| US3670123A (en) * | 1971-04-29 | 1972-06-13 | Joslyn Mfg & Supply Co | Multi-point to common point dead tank switch having vacuum insulated contacts and vacuum insulated terminals |
| NL160973C (en) * | 1976-07-23 | 1979-12-17 | Coq Bv | MULTI-PHASE DISCONNECTING SWITCH. |
| DE2806480C2 (en) * | 1978-02-16 | 1984-12-13 | Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co, 5144 Wegberg | Flange connections for encapsulated medium-voltage switchgear |
| DE2823056A1 (en) * | 1978-05-26 | 1979-11-29 | Driescher Spezialfab Fritz | Small cellular, insulating gas filled switching plant - has isolators mounted in cubicles and connected to cables through bushings in casings |
| DE7915884U1 (en) * | 1979-06-01 | 1979-08-30 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart | Metal-enclosed, SF 6 gas insulated switchgear |
| DE2924630C2 (en) * | 1979-06-19 | 1985-08-22 | Brown, Boveri & Cie Ag, 6800 Mannheim | Encapsulated, three-phase rotary disconnector |
| US4379957A (en) * | 1981-01-14 | 1983-04-12 | Westinghouse Electric Corp. | Modular "Y"-type enclosure elements for gas insulated substations |
| JPS602005A (en) * | 1983-06-15 | 1985-01-08 | 株式会社日立製作所 | Gas insulated switching device |
| DE3520221A1 (en) * | 1984-06-07 | 1985-12-12 | Mitsubishi Denki K.K., Tokio/Tokyo | COMBINED INSULATING GAS SWITCHING DEVICE |
| DE3664027D1 (en) * | 1985-05-20 | 1989-07-20 | Bbc Brown Boveri & Cie | Cast casing for medium voltage switchgear |
| JPS62233007A (en) * | 1986-04-01 | 1987-10-13 | 株式会社日立製作所 | Compact type gas insulated switchgear |
| JPH0736648B2 (en) * | 1986-07-15 | 1995-04-19 | 株式会社日立製作所 | Gas insulated switchgear |
| JPH02164210A (en) * | 1988-12-14 | 1990-06-25 | Mitsubishi Electric Corp | Gas insulated switchgear |
| DE4011397C2 (en) * | 1990-04-09 | 1995-08-03 | Felten & Guilleaume Energie | Gas-insulated switchgear for use in power distribution stations |
-
1990
- 1990-07-19 JP JP2193699A patent/JP2793701B2/en not_active Expired - Fee Related
-
1991
- 1991-04-24 KR KR1019910006550A patent/KR920003354A/en not_active Application Discontinuation
- 1991-07-18 GB GB9115554A patent/GB2246239B/en not_active Expired - Fee Related
- 1991-07-18 FR FR9109104A patent/FR2665030B1/en not_active Expired - Fee Related
- 1991-09-03 DE DE4129295A patent/DE4129295C1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB9115554D0 (en) | 1991-09-04 |
| GB2246239B (en) | 1994-11-30 |
| FR2665030A1 (en) | 1992-01-24 |
| FR2665030B1 (en) | 1994-04-08 |
| GB2246239A (en) | 1992-01-22 |
| KR920003354A (en) | 1992-02-29 |
| JPH0479708A (en) | 1992-03-13 |
| DE4129295C1 (en) | 1993-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |