JP2797513B2 - Gas insulated switchgear - Google Patents

Gas insulated switchgear

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Publication number
JP2797513B2
JP2797513B2 JP1234967A JP23496789A JP2797513B2 JP 2797513 B2 JP2797513 B2 JP 2797513B2 JP 1234967 A JP1234967 A JP 1234967A JP 23496789 A JP23496789 A JP 23496789A JP 2797513 B2 JP2797513 B2 JP 2797513B2
Authority
JP
Japan
Prior art keywords
power transmission
shaft
operating
output shaft
transmission shaft
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
Application number
JP1234967A
Other languages
Japanese (ja)
Other versions
JPH0398407A (en
Inventor
昌男 里見
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.)
Nissin Electric Co Ltd
Original Assignee
Nissin Electric Co Ltd
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 Nissin Electric Co Ltd filed Critical Nissin Electric Co Ltd
Priority to JP1234967A priority Critical patent/JP2797513B2/en
Publication of JPH0398407A publication Critical patent/JPH0398407A/en
Application granted granted Critical
Publication of JP2797513B2 publication Critical patent/JP2797513B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Gas-Insulated Switchgears (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、ガス絶縁開閉装置(以下GISという)に関
する。
The present invention relates to a gas insulated switchgear (hereinafter referred to as GIS).

〔従来の技術〕[Conventional technology]

第5図は、配電用変電所に使用される送電線変圧器回
路を構成したGISの単線接続構成を示し、第6図及び第
7図はその外観を示している。
FIG. 5 shows a single-line connection configuration of a GIS constituting a transmission line transformer circuit used in a distribution substation, and FIGS. 6 and 7 show its appearance.

第5図において、(GCB)はガス遮断器、(DS1)〜
(DS4)は断路器、(ES0)〜(ES4)は接地開閉器、(L
A)は避雷器であり、断路器(DS1),(DS2)及び接地
開閉器(ES1),(ES2)はそれぞれ連動操作構造になつ
ている。
In FIG. 5, (GCB) is a gas circuit breaker, and (DS 1 )
(DS 4 ) is a disconnect switch, (ES 0 ) to (ES 4 ) are earthing switches, (L
A) is a lightning arrester, the disconnector (DS 1), and decreased to (DS 2) and earthing switch (ES 1), (ES 2 ) respectively interlock operating structure.

そして、これらの構成機器は、第6図及び第7図に示
すように、角形容器(1)内に収納され、これにSF6
ス等の絶縁性ガスが封入されている。
These components are housed in a rectangular container (1), as shown in FIGS. 6 and 7, in which an insulating gas such as SF 6 gas is sealed.

第7図において、容器(1)の右側面には、線路引込
み用ケーブルのケーブルヘツド(2)及び母線連絡用ケ
ーブルのケーブルヘツド(3)がそれぞれ接続されるケ
ーブル接続部(4),(5)が設けられ、容器(1)の
左側面には、接続管路(6)を介してブツシング(7)
が設けられ、これが変圧器の1次側に接続されている。
In FIG. 7, on the right side of the container (1), cable connecting parts (4), (5) to which a cable head (2) of a cable for connecting a line and a cable head (3) of a cable for connecting a bus are connected respectively. ) Is provided, and a bushing (7) is provided on the left side surface of the container (1) via a connecting pipe (6).
, Which is connected to the primary side of the transformer.

更に、容器(1)の前面に配設された操作箱(8)に
は、第8図に示すように、ガス遮断器(GCB)を操作す
る操作器(9)、断路器(DS1),(DS3),(DS4)及
び接地開閉器(ES0)をそれぞれ操作する電動ばね操作
器(10),(11),(12),(13)、接開閉器(E
S1),(ES3),(ES4)をそれぞれ操作する手動操作器
(14),(15),(16)が一括収納されている。
Furthermore, as shown in FIG. 8, an operation box (8) arranged on the front of the container (1) has an operation device (9) for operating a gas circuit breaker (GCB) and a disconnecting device (DS 1 ). , (DS 3 ), (DS 4 ), and the electric spring actuators (10), (11), (12), (13) that operate the earthing switch (ES 0 ), respectively, and the contact switch (E
Manual operation devices (14), (15), and (16) for operating S 1 ), (ES 3 ), and (ES 4 ) are housed in a lump.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

前述した構成のGISにあつては、複数の断路器及び接
地開閉器に対し、これに1対1に対応する操作器(10)
〜(15)を備えて操作箱(8)内に一括収納するため、
操作器の数量が多くなり、高価になるばかりでなく、操
作箱(8)内に大きな収納スペースを必要とする欠点が
ある。
In the case of the GIS having the above-described configuration, a plurality of disconnecting switches and grounding switches have one-to-one corresponding operating devices (10).
To (15) and collectively store them in the operation box (8)
There are disadvantages in that not only the number of operating devices becomes large and expensive, but also a large storage space is required in the operating box (8).

本発明は、前記従来欠点に留意してなされたものであ
り、その目的とするところは、複数の断路器,接地開閉
器等の機器を最小台数の操作器で操作できるGISを提供
しようとするものである。
The present invention has been made in consideration of the above-mentioned conventional drawbacks, and an object of the present invention is to provide a GIS that can operate devices such as a plurality of disconnectors and grounding switches with a minimum number of controllers. Things.

〔課題を解決するための手段〕[Means for solving the problem]

前記目的を達成するために、本発明のGISにおいて
は、複数の断路器,接地開閉器の機器のそれぞれの動力
伝達軸を操作箱内に配列すると共に、操作器を前記操作
箱内の前記各動力伝達軸の配列位置に移動自在に設け、
前記操作器の出力軸に任意の前記動力伝達軸に着脱自在
に連結する連結する連結手段を設けたことを特徴とする
ものである。
In order to achieve the above object, in the GIS of the present invention, the power transmission shafts of a plurality of disconnectors and earthing switch devices are arranged in an operation box, and the operation devices are arranged in the operation box. Provided movably at the arrangement position of the power transmission shaft,
The output shaft of the operating device is provided with connecting means for connecting to an arbitrary power transmission shaft in a detachable manner.

〔作用〕[Action]

複数の断路器,接地開閉器等の機器のうち、任意の機
器を操作する場合、操作器を移動してその出力軸を前記
任意の機器の動力伝達軸の位置に配置し、連結手段によ
り出力軸をこの動力伝達軸に連結する。
When operating an arbitrary device out of a plurality of disconnectors, grounding switches, and the like, the operating device is moved to dispose the output shaft at the position of the power transmission shaft of the arbitrary device and output by the connecting means. The shaft is connected to this power transmission shaft.

従つて、操作器の出力軸の回転力が連結手段を介して
前記動力伝達軸に伝達され、任意の機器を開閉動作させ
ることができる。
Therefore, the rotational force of the output shaft of the operating device is transmitted to the power transmission shaft via the connecting means, and any device can be opened and closed.

〔実施例〕〔Example〕

実施例につき、第1図ないし第4図を用いて説明す
る。尚、前記と同一記号は同一もしくは相当するものを
示すものとする。
An embodiment will be described with reference to FIGS. 1 to 4. Note that the same symbols as above indicate the same or corresponding ones.

まず、1実施例を第1図ないし第3図を用いて説明す
る。
First, one embodiment will be described with reference to FIGS.

第1図は、ガス遮断器(GCB),断路器(DS1)〜(DS
4),接地開閉器(ES0)〜(ES4)及び避雷器(LA)を
収納した角形容器(1)の側面の操作箱(8)を示した
ものであり、(17),(18),(19)及び(20)はそれ
ぞれ角形容器(1)の断路器(DS3),(DS4),(D
S1)及び接地開閉器(ES0)にレバー,ロツド等により
機械的に連結された動力伝達軸であり、角軸状先端部が
それぞれ操作箱(8)内にその後壁より導入され、操作
箱(8)内の上部に左右方向に等間隔に配列されてい
る。
Figure 1 is a gas circuit breaker (GCB), the disconnecting switch (DS 1) ~ (DS
4 ), the operation box (8) on the side of the rectangular container (1) containing the earthing switches (ES 0 ) to (ES 4 ) and the lightning arrester (LA), (17), (18) , (19) and (20) are the disconnectors (DS 3 ), (DS 4 ), (D
S 1 ) and a power transmission shaft mechanically connected to the earthing switch (ES 0 ) by levers, rods, etc., and each of the square shaft-shaped tips is introduced from the rear wall into the operation box (8), and the operation is performed. It is arranged at equal intervals in the left-right direction on the upper part in the box (8).

(21)及び(22)は動力伝達軸(17)〜(20)の上方
及び下方に配置されそれぞれ操作箱(8)の後壁に固着
された軸受(23),(23)及び(24),(24)により回
転自在に支持された左右方向のねじ棒であり、それぞれ
の一端が駆動箱(25),(26)内に収納された電動機に
連結され、両ねじ棒(21),(22)が同時に同一方向に
回転駆動される。
Bearings (21) and (22) are arranged above and below the power transmission shafts (17) to (20), and are respectively fixed to the rear wall of the operation box (8). , (24) are rotatably supported by the left and right directions. One end of each is connected to the electric motor housed in the drive boxes (25), (26), and the two screw bars (21), ( 22) are simultaneously driven to rotate in the same direction.

(27)は断路器(DS3),(DS4),(DS1)及び接地
開閉器(ES0)をそれぞれ操作する1台の電動ばね操作
器であり、第2図に示すように、操作器(27)の後面の
上下にめねじを有する摺動体(28),(29)がそれぞれ
脚部(30),(31)を介して支持されており、この摺動
体(28),(29)にそれぞれねじ棒(21),(22)が螺
通され、両ねじ棒(21),(22)が正逆回転することに
より摺動体(28),(29)がねじ棒(21),(22)を左
右に摺動し、操作器(27)が前記各動力伝達軸(17)〜
(20)の前方において左右移動する。
(27) disconnecting switch (DS 3), a (DS 4), (DS 1) and grounding switches one electric spring operating device for operating (ES 0), respectively, as shown in Figure 2, Sliding bodies (28) and (29) having internal threads at the top and bottom of the rear surface of the operating device (27) are supported via legs (30) and (31), respectively. Screw rods (21) and (22) are threaded through 29), respectively, and both screw rods (21) and (22) rotate forward and backward, so that the sliding bodies (28) and (29) become screw rods (21). , (22) are slid left and right, and the operating device (27) is connected to each of the power transmission shafts (17) to
It moves left and right in front of (20).

(32)は操作器(27)の出力軸であり、動力伝達軸
(17)〜(20)と同一高さの位置に配置され、角軸状先
端部が操作器(27)より後方へ導出されている。(33)
は角孔を出力軸(32)の先端部に嵌装させて出力軸(3
2)に軸方向に摺動自在でかつ回転方向に一体に取り付
けられた連結手段としての軸連結金具であり、出力軸
(32)を任意の動力伝達軸に対向させた際、軸連結金具
(33)を後方へ摺動して出力軸(32)と前記動力伝達軸
とに跨がつて嵌装させることにより、前記動力伝達軸が
出力軸(32)に連結される。
(32) is an output shaft of the operating device (27), which is arranged at the same height as the power transmission shafts (17) to (20), and a square shaft-shaped tip portion is led out from the operating device (27). Have been. (33)
Fits the square hole to the tip of the output shaft (32) and
2) A shaft connecting bracket which is slidable in the axial direction and integrally mounted in the rotating direction as a connecting means. When the output shaft (32) is opposed to an arbitrary power transmission shaft, the shaft connecting bracket ( The power transmission shaft is connected to the output shaft (32) by sliding 33) backward to fit over the output shaft (32) and the power transmission shaft.

(34)は操作器(27)の後面の支軸(35)に回動支持
さればね(36)により回動付勢された復帰レバーであ
り、先端が軸連結金具(33)の跨(33)′に後方から当
接し、軸連結金具(33)を前方へ付勢する。
A return lever (34) is rotatably supported by a support shaft (35) on the rear surface of the operating device (27) and is urged to rotate by a spring (36). ) 'From behind, and urges the shaft connecting bracket (33) forward.

(37)は操作器(27)内の支軸(38)に回動支持され
た連結用レバーであり、先端に1対の押圧片(37a),
(37a)を有し、これが出力軸(32)の両側より軸連結
金具(33)の前面に当接している。(39)は電磁ソレノ
イドであり、吸引ロツド(40)が連結用レバー(37)の
基部に連結されており、電磁ソレノイド(39)の吸引動
作によりレバー(37)が回動操作され、その押圧片(37
a),(37a)により軸連結金具(33)が後方へ押圧操作
される。
A connecting lever (37) is rotatably supported on a support shaft (38) in the operating device (27), and has a pair of pressing pieces (37a),
(37a), which are in contact with the front surface of the shaft connecting bracket (33) from both sides of the output shaft (32). Reference numeral (39) denotes an electromagnetic solenoid, and a suction rod (40) is connected to the base of the connection lever (37). The lever (37) is rotated by the suction operation of the electromagnetic solenoid (39), and the pressing force is applied. Piece (37
The shaft connection fitting (33) is pressed backward by (a) and (37a).

(41),(42),(43)は角形容器(1)内の接地開
閉器(ES3),(ES4),(ES1)にそれぞれレバー,ロ
ツド等により機械的に連結された動力伝達軸であり、そ
れぞれ操作箱(8)内にその後壁より導入され、遮断器
用操作器(9)の右側において上下方向に等間隔に配列
されている。
(41), (42), (43) is prismatic container (1) of the earthing switch (ES 3), (ES 4), respectively (ES 1) lever mechanically linked power by rods or the like The transmission shafts are respectively introduced from the rear wall into the operation box (8), and are arranged at equal intervals in the vertical direction on the right side of the breaker operation device (9).

(44),(45)は動力伝達軸(41)〜(43)の左,右
に配設されそれぞれ軸受(46),(46),(47),(4
7)により回転自在に支持された上下方向のねじ棒であ
り、それぞれ駆動箱(48),(49)内に収納されたで同
期により同時に同一方向に回転駆動される。
(44) and (45) are disposed to the left and right of the power transmission shafts (41) to (43), respectively, and bearings (46), (46), (47), and (4)
Vertical screw rods rotatably supported by (7) and housed in drive boxes (48) and (49), respectively, and are simultaneously rotated and driven in the same direction by synchronization.

(50)は接地開閉器(ES1),(ES3),(ES4)をそ
れぞれ操作する1台の手動操作器であり、電動ばね操作
器(27)の場合と同様に、両ねじ棒(44),(45)に支
持され、両ねじ棒(44),(45)の回転により動力伝達
軸(41)〜(43)の前方において上下移動する。
(50) is a single manual operation device for operating each of the earthing switches (ES 1 ), (ES 3 ), and (ES 4 ). As with the electric spring operation device (27), both screw rods are used. It is supported by (44) and (45) and moves up and down in front of the power transmission shafts (41) to (43) by the rotation of the two screw rods (44) and (45).

この手動操作器(50)の後面より導出された出力軸は
手動操作器(50)の上下動により各動力伝達軸(41)〜
(43)に対向するようになつており、この出力軸に軸連
結金具が取り付けられ、手動操作器(50)内の電磁ソレ
ノイドの作動により出力軸が動力伝達軸(41)〜(43)
のいずれかに軸連結金具を介して連結される。
The output shaft derived from the rear surface of the manual operation device (50) is moved up and down by the manual operation device (50) to each of the power transmission shafts (41) to
The output shaft is provided with a shaft connecting bracket, and the output shaft is driven by an electromagnetic solenoid in the manual operation device (50) to turn the power transmission shaft (41) to (43).
Via a shaft connection fitting.

(51)は手動操作器(50)の位置を選択する押釦スイ
ツチである。
(51) is a push button switch for selecting the position of the manual operation device (50).

このように構成されたGISにおいて、その構成機器で
ある、断路器(DS1),(DS3),(DS4),接地開閉器
(ES0)のうち、任意の機器,例えば断路器(DS1)を操
作する場合、図外の制御装置にその情報を入力すると、
当該機器の情報が動作指令として駆動箱(25),(26)
内の電動機に与えられ、両ねじ棒(21),(22)が回転
し、電動ばね操作器(27)が該当機器,すなわち断路器
(DS1)の動力伝達軸(19)のポジシヨンへ移動する。
In the GIS configured in this manner, any of the constituent devices, such as the disconnector (DS 1 ), (DS 3 ), (DS 4 ), and the earthing switch (ES 0 ), such as a disconnector ( DS 1 ), when you enter that information into a control unit not shown,
Drive box (25), (26) as information of the device as operation command
It is given to the motor of the inner movement, both threaded rods (21), rotates (22), the electric spring manipulation device (27) is applicable equipment, i.e. to Pojishiyon power transmission shaft of the disconnector (DS 1) (19) I do.

次いで、電磁ソレノイド(39)が作動し、軸連結金具
(33)により出力軸(32)が動力伝達軸(19)に連結さ
れ、この状態で操作器(27)が動作し、断路器(DS1
が開閉動作する。
Next, the electromagnetic solenoid (39) is operated, and the output shaft (32) is connected to the power transmission shaft (19) by the shaft connecting bracket (33). In this state, the operating device (27) operates, and the disconnector (DS) 1 )
Opens and closes.

又、接地開閉器(ES1),(ES3),(ES4)のうち任
意の機器,例えば接地開閉器(ES1)を操作する場合、
押釦スイツチ(51)でこの機器を選択すると、両ねじ棒
(44),(45)の回転により手動操作器(50)が該当機
器である接地開閉器(ES1)の動力伝達軸(43)のポジ
シヨンに移動し、続いてその出力軸と動力伝達軸(43)
とが連結される。
When operating any of the earthing switches (ES 1 ), (ES 3 ), and (ES 4 ), for example, the earthing switch (ES 1 ),
When this device is selected with the push button switch (51), the rotation of the two screw rods (44) and (45) turns the manual operation device (50) into the power transmission shaft (43) of the grounding switch (ES 1 ) that is the corresponding device. And then its output shaft and power transmission shaft (43)
Are linked.

そして、操作器(50)を手動で操作することにより、
接地開閉器(ES1)を開閉動作させることができる。
Then, by manually operating the operation device (50),
It can be opened and closed using the earthing switch (ES 1).

従つて、前記実施例の構成によれば、複数の断路器
(DS1)〜(DS4)及び接地開閉器(ES0)〜(ES4)を動
力源の異なる電動ばね操作器(27)と手動操作器(50)
との2台だけで開閉操作できることになり、つまりこれ
ら機器の操作器として動力源毎に各1台ずつあればよい
ことになる。
Accordance connexion, according to the configuration of the embodiment, a plurality of disconnectors (DS 1) ~ (DS 4), and earthing switch (ES 0) ~ (ES 4) electric spring operating device with different power sources (27) And manual operation device (50)
The opening and closing operation can be performed only by the two devices, that is, only one device for each power source is required as an operating device for these devices.

尚、前記実施例において、電動ばね操作器(27)用の
ねじ棒(21),(22)を個々に回転駆動するのではな
く、両者間を連結して1台の電動機により同時に回転駆
動するようにしてもよく、手動操作器(50)用のねじ棒
(44),(45)においても同様である。
In the above-described embodiment, the screw rods (21) and (22) for the electric spring operating device (27) are not individually driven to rotate, but are connected together and driven to rotate simultaneously by one motor. The same applies to the screw rods (44) and (45) for the manual operation device (50).

次に、他の実施例を示した第4図について説明する。 Next, FIG. 4 showing another embodiment will be described.

この実施例は、電動ばね操作器(27)の出力軸(32)
と任意の動力伝達軸(17)〜(20)とを連結する連結手
段として電磁クラツチ(52)を用いた場合を示してお
り、出力軸(32)に軸着された第1板(53)と動力伝達
軸(17)〜(20)にそれぞれ軸着された第2板(54)と
をコイル(55)への通電によつて得られる電磁力により
着脱自在に連結するようにしたものである。
This embodiment uses an output shaft (32) of an electric spring operating device (27).
The figure shows a case in which an electromagnetic clutch (52) is used as a connecting means for connecting a power transmission shaft (17) to an arbitrary power transmission shaft (20), and a first plate (53) mounted on an output shaft (32). And a second plate (54) axially mounted on each of the power transmission shafts (17) to (20) is detachably connected by an electromagnetic force obtained by energizing the coil (55). is there.

〔発明の効果〕〔The invention's effect〕

本発明は、以上説明したように構成されているため、
次に記載する効果を奏する。
Since the present invention is configured as described above,
The following effects are obtained.

操作器を移動してその出力軸を複数の機器のうちの任
意の動力伝達軸に連結し該機器を操作できるため、複数
の機器に対し操作器を共用でき、操作器を最小台数に減
少できるものであり、大幅なコストダウンを図ることが
できる上、操作箱内における必要スペースを縮小化で
き、しかも、操作器に対する保守も簡単になる等の効果
が得られるものである。
Since the operating device can be moved and its output shaft can be connected to an arbitrary power transmission shaft of a plurality of devices to operate the device, the operating device can be shared by a plurality of devices and the number of operating devices can be reduced to the minimum number. In addition to this, it is possible to greatly reduce costs, to reduce the required space in the operation box, and to simplify the maintenance of the operation device.

【図面の簡単な説明】[Brief description of the drawings]

第1図ないし第4図は本発明によるガス絶縁開閉装置の
実施例を示し、第1図ないし第3図は1実施例を示し、
第1図は操作箱の正面図、第2図及び第3図は出力軸と
動力伝達軸との連結部分を示す切断側面図及び切断平面
図、第4図は他の実施例の第2図に対応する切断側面
図、第5図ないし第7図は一般のガス絶縁開閉装置を示
し、第5図は単線接続図、第6図及び第7図はそれぞれ
全体の側面図及び正面図、第8図は従来例を示す操作箱
の正面図である。 (DS1)〜(DS4)……断路器、(ES0)〜(ES4)……接
地開閉器、(17)〜(20),(41)〜(43)……動力伝
達軸、(27)……電動ばね操作器、(33)……軸連結金
具、(50)……手動操作器、(52)……電磁クラツチ。
1 to 4 show an embodiment of a gas insulated switchgear according to the present invention, and FIGS. 1 to 3 show one embodiment,
1 is a front view of an operation box, FIGS. 2 and 3 are cut-away side views and a cut-away plan view showing a connecting portion between an output shaft and a power transmission shaft, and FIG. 4 is a second view of another embodiment. 5 to 7 show a general gas insulated switchgear, FIG. 5 is a single-line connection diagram, FIGS. 6 and 7 are overall side and front views, respectively. FIG. 8 is a front view of an operation box showing a conventional example. (DS 1 ) to (DS 4 )… disconnector, (ES 0 ) to (ES 4 )… ground switch, (17) to (20), (41) to (43)… power transmission shaft, (27) Electric spring operating device, (33) Shaft connection bracket, (50) Manual operating device, (52) Electromagnetic clutch.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】複数の断路器,接地開閉器等の機器のそれ
ぞれの動力伝達軸を操作箱内に配列すると共に、操作器
を前記操作箱内の前記各動力伝達軸の配列位置に移動自
在に設け、前記操作器の出力軸に任意の前記動力伝達軸
に着脱自在に連結する連結手段を設けたことを特徴とす
るガス絶縁開閉装置。
A power transmission shaft of a plurality of disconnectors, grounding switches and the like are arranged in an operation box, and an operation device is movable to an arrangement position of the power transmission shafts in the operation box. And a connecting means for detachably connecting the output shaft of the operating device to an arbitrary power transmission shaft.
JP1234967A 1989-09-11 1989-09-11 Gas insulated switchgear Expired - Lifetime JP2797513B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1234967A JP2797513B2 (en) 1989-09-11 1989-09-11 Gas insulated switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1234967A JP2797513B2 (en) 1989-09-11 1989-09-11 Gas insulated switchgear

Publications (2)

Publication Number Publication Date
JPH0398407A JPH0398407A (en) 1991-04-24
JP2797513B2 true JP2797513B2 (en) 1998-09-17

Family

ID=16979058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1234967A Expired - Lifetime JP2797513B2 (en) 1989-09-11 1989-09-11 Gas insulated switchgear

Country Status (1)

Country Link
JP (1) JP2797513B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4829021B2 (en) * 2006-07-12 2011-11-30 株式会社東芝 Gas insulated switchgear
JP4966163B2 (en) * 2007-11-02 2012-07-04 株式会社日本Aeパワーシステムズ Gas insulated switchgear
CN219739650U (en) * 2023-04-20 2023-09-22 苏州瑞领克信息科技有限公司 Electrical cabinet for modular installation of electrical components

Also Published As

Publication number Publication date
JPH0398407A (en) 1991-04-24

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