JP3102277B2 - Switchgear - Google Patents
SwitchgearInfo
- Publication number
- JP3102277B2 JP3102277B2 JP06212815A JP21281594A JP3102277B2 JP 3102277 B2 JP3102277 B2 JP 3102277B2 JP 06212815 A JP06212815 A JP 06212815A JP 21281594 A JP21281594 A JP 21281594A JP 3102277 B2 JP3102277 B2 JP 3102277B2
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- JP
- Japan
- Prior art keywords
- phase
- unit
- branch
- collective
- bus
- 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
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- Gas-Insulated Switchgears (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、避雷器を有する開閉
装置の避雷器の配置構成に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arrangement of a lightning arrester of a switchgear having a lightning arrester.
【０００２】[0002]
【従来の技術】図４は、例えば、特開昭５９ー１３９８
０７号公報に示された、従来のガス絶縁開閉装置を示
し、（ａ）はその接続図、（ｂ）はその平面図及び
（ｃ）はその正面図である。図において、１は主母線、
２は主母線側断路器、３は組立・据付時の誤差吸収用の
ベローズ、４，７は接続母線、５は遮断器、６は線路断
路器、８は避雷器用断路器、９はこの避雷器用断路器８
に接続するとともに大地に接地する異常電圧抑制用の避
雷器、１０は分岐母線の一例である長尺のガス絶縁母線
である。ここで、主母線１に接続する主母線側断路器２
と、これに電気的に直列に接続する遮断器５と線路断路
器６により構成される部分を一般的にユニットと呼ぶ。2. Description of the Related Art FIG.
No. 07 shows a conventional gas insulated switchgear, (a) is a connection diagram, (b) is a plan view, and (c) is a front view. In the figure, 1 is a main bus,
2 is a main bus side disconnector, 3 is a bellows for absorbing errors during assembly and installation, 4, 7 is a connecting bus, 5 is a circuit breaker, 6 is a line disconnector, 8 is a lightning arrester disconnector, and 9 is this lightning arrester. Disconnector 8
And a lightning arrester 10 for suppressing abnormal voltage, which is grounded to the ground, is a long gas-insulated bus which is an example of a branch bus. Here, the main bus side disconnector 2 connected to the main bus 1
And a portion composed of a circuit breaker 5 and a line disconnector 6 electrically connected to the circuit in series are generally called a unit.
【０００３】図４は相分離形のガス絶縁開閉装置の配置
構成を示している。従来のガス絶縁開閉装置では、避雷
器用断路器８からガス絶縁母線１０を引出し、かつその
引出し方向をユニットの長手方向としていた。また、こ
の避雷器用断路器８に接続し、避雷器用断路器８からユ
ニットの長手方向に避雷器９が接地され配置されてい
た。つまり、避雷器用断路器８と避雷器９は、ユニット
部分に接続してユニットの長手方向に配置されていた。
さらに、このように接続して配置したものにより、一相
分を形成し、これを三相分並置することにより相分離形
のガス絶縁開閉装置が構成されていた。FIG. 4 shows an arrangement of a gas insulated switchgear of the phase separation type. In the conventional gas insulated switchgear, the gas insulated bus 10 is drawn out from the lightning arrester disconnecting switch 8, and the drawing direction is set to the longitudinal direction of the unit. Further, the lightning arrester 9 is connected to the lightning arrester disconnector 8, and the lightning arrester 9 is grounded and arranged in the longitudinal direction of the unit from the lightning arrester disconnector 8. That is, the lightning arrester disconnector 8 and the lightning arrester 9 are connected to the unit portion and arranged in the longitudinal direction of the unit.
Furthermore, a phase-separated gas-insulated switchgear has been formed by forming one phase by connecting and arranging in this way, and juxtaposing these for three phases.
【０００４】以上は、一相分についてユニット，避雷器
用断路器８，避雷器９および分岐母線１０の接続及び配
置を説明した後、三相分について説明してきた。しか
し、三相のユニットにより構成される部分をユニット群
と呼び、避雷器用断路器８と避雷器９により構成される
部分を相分離形の避雷器体と呼び、分岐母線の一例であ
る長尺のガス絶縁母線１０により構成される部分を相分
離形の分岐母線体と呼ぶことによって、三相分の構成を
一度に説明することも可能である。In the above, the connection and arrangement of the unit, the lightning arrester disconnector 8, the lightning arrester 9, and the branch bus 10 for one phase have been described, and then the three phases have been described. However, a part composed of three-phase units is called a unit group, and a part composed of the lightning arrester disconnecting switch 8 and the lightning arrester 9 is called a phase-separated lightning arrester body. By referring to the portion constituted by the insulating bus bar 10 as a phase-separated branch bus bar, it is possible to explain the configuration for three phases at once.
【０００５】なお、上記ユニットは、長尺のガス絶縁母
線１０に送電線（図示せず）が接続しており、そのため
上記ユニットを送電線ユニットと呼ぶ。また、主母線１
に接続する主母線側断路器２と、これに電気的に直列に
接続する遮断器５により構成されるユニットもあり、こ
の場合は上記ユニットは、長尺のガス絶縁母線１０に変
圧器（図示せず）が接続しており、そのため上記ユニッ
トを変圧器ユニットと呼ぶ。[0005] In the unit, a power transmission line (not shown) is connected to the long gas-insulated busbar 10, and therefore the unit is referred to as a transmission line unit. In addition, main bus 1
Is connected to the main bus-side disconnector 2 and a circuit breaker 5 that is electrically connected in series to the main bus-side disconnector 2. In this case, the unit is connected to a long gas-insulated bus 10 by a transformer (see FIG. (Not shown), so that the unit is called a transformer unit.
【０００６】[0006]
【発明が解決しようとする課題】従来のガス絶縁開閉装
置は、ユニットの長手方向の延長上のユニット端部で、
避雷器用断路器８と避雷器９を接続して配置しており、
ユニットを送電線側からのサージ等から保護するため
に、避雷器用断路器８と避雷器９はユニットよりも引き
込み側（送電線側）に配置されていた。つまり、電気的
にユニット内の線路断路器６よりも引き込み側でユニッ
トに接続して避雷器体（避雷器用断路器８と避雷器９）
が設置されていたので、避雷器体の配置の自由度に制約
があった。また、線路断路器６から機器設置スペースと
してＬ０＋Ｌ１寸法を必要とし、かつ保守スペースＬ２
寸法を考慮すると、ユニットの長手方向の寸法が長くな
る問題点があった。A conventional gas insulated switchgear is provided at a unit end on a longitudinal extension of the unit.
The lightning arrester disconnector 8 and the lightning arrester 9 are connected and arranged.
In order to protect the unit from surges and the like from the power transmission line side, the lightning arrester disconnecting switch 8 and the lightning arrester 9 are arranged on the drawing side (transmission line side) of the unit. In other words, the lightning arrestor body (lightning arrester disconnecting switch 8 and lightning arrester 9) is electrically connected to the unit on the drawing side of the line disconnecting switch 6 in the unit.
, The degree of freedom of arrangement of the lightning arrestor was limited. Also, L0 + L1 dimensions are required as equipment installation space from the line disconnector 6, and the maintenance space L2
Considering the size, there is a problem that the size in the longitudinal direction of the unit becomes long.
【０００７】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、避雷器の配置の自由度の向上
と、開閉装置におけるユニットの長手方向に対する寸法
の短縮を目的としている。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to improve the degree of freedom in arranging lightning arresters and reduce the size of a unit in a switchgear in the longitudinal direction.
【０００８】[0008]
【課題を解決するための手段】この発明に係る開閉装置
は、各相のユニットの長手方向と交差する方向にそれぞ
れ各相分岐母線を配置して、三相一括形分岐母線体の下
方に三相一括形避雷器体を配置するものである。According to the switchgear of the present invention, each phase branch bus is arranged in a direction intersecting with the longitudinal direction of the unit of each phase, and a three-phase unitary branch bus is provided below the three-phase collective branch bus. A phased lightning arrestor body is arranged.
【０００９】また、各相のユニットの長手方向と交差す
る方向にそれぞれ各相分岐母線を配置して、三相一括形
母線体から大地に垂直に三相一括形避雷器体を配置する
ものである。Further, each phase branch bus is arranged in a direction intersecting with the longitudinal direction of each phase unit, and the three-phase collective surge arrester is arranged perpendicularly to the ground from the three-phase collective bus. .
【００１０】さらにまた、各相のユニットの長手方向と
交差する方向にそれぞれ各相分岐母線を配置して、各相
の分岐母線を延長する方向で三相一括形分岐母線体の端
部に、三相一括形避雷器体を配置するものであるFurthermore, each phase branch bus is arranged in a direction intersecting with the longitudinal direction of the unit of each phase, and at the end of the three-phase collective branch bus in the direction in which the branch bus of each phase is extended. A three-phase collective lightning arrestor body is to be arranged.
【００１１】[0011]
【作用】この発明に係る開閉装置は、各相のユニットの
長手方向と交差する方向にそれぞれ各相分岐母線を配置
して、三相一括形分岐母線体の下方、又は各相の分岐母
線を延長する方向で三相一括形分岐母線体の端部に、三
相一括形避雷器体を配置することで、開閉装置全体の直
線的長さが短縮できるとともに、三相一括形避雷器体を
上記範囲で任意の位置に配置をすることができる。In the switchgear according to the present invention, each phase branch bus is arranged in a direction intersecting with the longitudinal direction of the unit of each phase, and a lower portion of the three-phase batch branch bus or a branch bus of each phase is connected. By arranging the three-phase collective surge arrester at the end of the three-phase collective branch busbar in the extending direction, the linear length of the entire switchgear can be shortened, and the three-phase collective surge arrester can be moved within the above range. Can be arranged at any position.
【００１２】また、三相一括形避雷器体を三相一括形分
岐母線体から大地に垂直に配置することで、三相一括形
分岐母線体から大地への距離が最短となる三相一括形避
雷器体の配置とすることができる。Further, by arranging the three-phase collective lightning arrester vertically from the three-phase collective branch bus to the ground, the distance from the three-phase collective branch bus to the ground is minimized. It can be a body arrangement.
【００１３】[0013]
実施例１．以下、この発明の実施例について説明する。
図１はこの発明の一実施例であるガス絶縁開閉装置であ
る。図において、１は三相一括形の主母線（２系統）、
２は主母線側断路器、４は接続母線、５は遮断器、６は
線路断路器、８１は三相一括形避雷器用断路器、９１は
この三相一括形避雷器用断路器８１に接続するとともに
大地に接地する異常電圧抑制用の三相一括形避雷器、１
０１は三相一括形の分岐母線体の一種である長尺のガス
絶縁母線であり、１１は三相一括形避雷器用断路器８１
と三相一括形避雷器９１で構成された三相一括形避雷器
体である。Embodiment 1 FIG. Hereinafter, embodiments of the present invention will be described.
FIG. 1 shows a gas-insulated switchgear according to an embodiment of the present invention. In the figure, 1 is a three-phase batch type main bus (two systems),
2 is a main bus-side disconnector, 4 is a connecting bus, 5 is a circuit breaker, 6 is a line disconnector, 81 is a disconnector for a three-phase collective lightning arrester, and 91 is connected to the disconnector 81 for the three-phase collective lightning arrester. With a three-phase surge arrester for suppressing abnormal voltage,
Reference numeral 01 denotes a long gas-insulated bus which is a kind of a three-phase collective branch bus, and 11 denotes a disconnector 81 for a three-phase collective lightning arrester.
And a three-phase collective surge arrester composed of a three-phase collective surge arrester 91.
【００１４】次に、配置構成について説明する。実施例
１のガス絶縁開閉装置では、三相のユニットを並置する
ユニット群に、その長手方向と直交して三相一括形分岐
母線体１０１を配置する。また、三相一括形避雷器体１
１を、上記三相一括形分岐母線体１０１の下方に（好ま
しくは真下に）配置する。Next, the arrangement will be described. In the gas insulated switchgear according to the first embodiment, a three-phase collective branch bus 101 is arranged in a unit group in which three-phase units are juxtaposed, at right angles to the longitudinal direction. In addition, a three-phase collective surge arrester 1
1 is arranged below (preferably immediately below) the three-phase collective branch bus 101.
【００１５】このとき、電気的な接続は、従来例と同様
で、主母線側断路器２，遮断器５及び線路断路器６によ
り一相のユニットを構成する。このユニットは、三相一
括形主母線１のうちの一相の主母線に接続している。ま
た、このユニットの他端では三相一括形分岐母線体１０
１のうち一相の分岐母線と接続している。さらに、この
ユニットに接続された三相一括形分岐母線体１０１と大
地の間に、三相一括形避雷器体１１のうちの一相が接続
している。At this time, the electrical connection is the same as in the prior art, and a one-phase unit is constituted by the main bus-side disconnector 2, the circuit breaker 5, and the line disconnector 6. This unit is connected to one-phase main bus of the three-phase collective main bus 1. At the other end of this unit, a three-phase collective branch bus 10
1 is connected to a branch bus of one phase. Further, one phase of the three-phase collective surge arrester body 11 is connected between the three-phase collective branch bus 101 connected to this unit and the ground.
【００１６】このように構成されているので、三相一括
形避雷器体１１の配置位置が三相一括形分岐母線体１０
１の下方であれば他に拘束がなく、三相一括形避雷器体
１１の配置の自由度が高い。また、線路断路器６からの
機器設置スペースとしてはＬ０でよいので、開閉装置に
おけるユニットの長手方向の長さ、つまりヤード長さの
短い開閉装置が得られる。さらに、実施例１では、三相
一括形避雷器体１１を三相一括形分岐母線体の下方に配
置する構成のガス絶縁開閉装置について説明してきた
が、例えば、変電所が地下にあり空間的に狭い時には、
三相一括形避雷器体１１を三相一括形分岐母線体１０１
の上方に配置し、天井部分に接地してもよい。With such a structure, the arrangement position of the three-phase collective lightning arrester 11 is changed to the three-phase collective branch bus 10
If it is below 1, there is no other restriction, and the degree of freedom of arrangement of the three-phase collective lightning arrester 11 is high. In addition, since the equipment installation space from the line disconnector 6 may be L0, the length of the unit in the switchgear in the longitudinal direction, that is, the switchgear having a short yard length can be obtained. Further, in the first embodiment, the gas insulated switchgear having a configuration in which the three-phase collective lightning arrester body 11 is disposed below the three-phase collective lightning arrestor bus body has been described. When narrow,
The three-phase collective surge arrester 11 is replaced with a three-phase collective branch bus 101
, And may be grounded to the ceiling.
【００１７】実施例２．また、実施例１では、ユニット
が送電線ユニットである例を示したが、三相一括形の長
尺母線に変圧器が接続され変圧器ユニットの場合にも同
様の配置が考えられる。図２に、その構成例を示し、符
号は図１と同一部分には同一符号を付して示す。図１に
比較して、線路断路器６がなく、遮断器５が直接に、三
相一括形分岐母線体１０１と三相一括形避雷器用断路器
８１に接続され、この三相一括形分岐母線体１０１に変
圧器（図示せず）が接続されている。この実施例におい
ても、実施例１と同様の作用効果が期待できる。Embodiment 2 FIG. In the first embodiment, the example in which the unit is a transmission line unit is described. However, a similar arrangement can be considered in the case of a transformer unit in which a transformer is connected to a three-phase collective long bus. FIG. 2 shows an example of the configuration, in which the same reference numerals are given to the same parts as those in FIG. Compared to FIG. 1, there is no line disconnector 6, and the circuit breaker 5 is directly connected to the three-phase collective branch bus 101 and the three-phase collective lightning arrester disconnector 81. A transformer (not shown) is connected to the body 101. In this embodiment, the same operation and effect as in the first embodiment can be expected.
【００１８】実施例３．実施例１では、三相一括形避雷
器体１１を三相一括形分岐母線体１０１の下方に配置し
たが、三相一括形避雷器体１１を三相一括形分岐母線体
１０１から大地に垂直に配置することができるそして、
電気的な接続は実施例１と同様である。Embodiment 3 FIG. In the first embodiment, the three-phase collective lightning arrester 11 is arranged below the three-phase collective branch bus 101, but the three-phase collective lightning arrestor 11 is arranged perpendicularly to the ground from the three-phase collective branch bus 101. And you can
The electrical connection is the same as in the first embodiment.
【００１９】このように構成されているので、三相一括
形避雷器体１１の配置は大地に垂直であれば他に拘束が
なく、三相一括形避雷器体１１の配置の自由度が高い。
そして、開閉装置のユニットの長手方向の長さ、つまり
ヤード長さのさらに短い開閉装置が得られる。With this configuration, the arrangement of the three-phase collective lightning arrester 11 is free from any other restrictions if it is perpendicular to the ground, and the arrangement of the three-phase collective lightning arrester 11 is high.
Then, an opening / closing device having a shorter length in the longitudinal direction of the unit of the opening / closing device, that is, a shorter yard length is obtained.
【００２０】さらに、大地が三相一括形分岐母線体１０
１と平行でないときには、三相一括形避雷器体１１を大
地に垂直となるように配置することにより、三相一括形
避雷器体１１を小型化できる。Furthermore, the ground is a three-phase collective branch bus 10
When not parallel to 1, the three-phase collective lightning arrester 11 can be miniaturized by arranging the three-phase collective lightning arrester 11 perpendicular to the ground.
【００２１】実施例４．図３は、この発明の別の実施例
であるガス絶縁開閉装置である。図において、その配置
構成について説明する。実施例４のガス絶縁開閉装置で
は、三相のユニットを並置するユニット群に、その長手
方向と直交して三相一括形分岐母線体１０１を配置す
る。また、三相一括形避雷器体１１を、三相一括形分岐
母線体１０１を延長する方向で三相一括形分岐母線体１
０１の端部に配置する。なお、符号は図１と同一部分に
は同一符号を付して示す。そして、電気的な接続は実施
例１と同様である。Embodiment 4 FIG. FIG. 3 shows a gas insulated switchgear according to another embodiment of the present invention. In the figure, the arrangement will be described. In the gas insulated switchgear according to the fourth embodiment, the three-phase collective branch bus 101 is arranged in a unit group in which three-phase units are juxtaposed, at right angles to the longitudinal direction. Further, the three-phase collective lightning arrester 11 is connected to the three-phase collective branch bus 1 in the direction in which the three-phase collective branch bus 101 is extended.
01 at the end. The same reference numerals are given to the same parts as those in FIG. The electrical connection is the same as in the first embodiment.
【００２２】このように構成されているので、三相一括
形避雷器体１１を三相一括形分岐母線体１０１を延長す
る方向の端部に配置することができるので、三相一括形
避雷器体１１の配置の自由度が高い。また、開閉装置の
ユニットの長手方向の長さ、つまりヤード長さの短い開
閉装置が得られる。With this configuration, the three-phase collective lightning arrester 11 can be arranged at the end of the three-phase collective branch bus 101 in the direction in which the three-phase collective branch bus 101 extends. The degree of freedom of arrangement is high. Further, an opening / closing device having a short length in the longitudinal direction of the unit of the opening / closing device, that is, a short yard length can be obtained.
【００２３】また、上記実施例では、ガス絶縁開閉装置
の場合について説明してきたが、絶縁方法はガス絶縁だ
けでなく、空気絶縁や真空絶縁であってもよい。Further, in the above embodiment, the case of the gas insulated switchgear has been described, but the insulating method may be not only gas insulation but also air insulation or vacuum insulation.
【００２４】さらにまた、ユニットは相分離形のものに
ついて説明してきたが、三相分が並置されていればよ
く、三相分離形か三相一括形かを問わない。つまり、ユ
ニットの一部分だけが三相一括形となったユニットでも
よい。Further, the unit has been described as a phase-separated type, but it is sufficient if three units are juxtaposed, and it does not matter whether the unit is a three-phase separated type or a three-phase collective type. That is, a unit in which only a part of the unit is a three-phase package may be used.
【００２５】[0025]
【発明の効果】以上のようにこの発明によれば、各相の
ユニットの長手方向と交差する方向にそれぞれ各相分岐
母線を配置して、三相一括形分岐母線体の下方、又は各
相の分岐母線を延長する方向で三相一括形分岐母線体の
端部に、三相一括形避雷器体を配置するので、開閉装置
全体におけるユニットの長手方向に対する寸法が短縮で
きるとともに、三相一括形避雷器体の配置位置の自由度
を高くすることができる。As described above, according to the present invention, each phase branch bus is arranged in a direction intersecting with the longitudinal direction of the unit of each phase so as to be below the three-phase batch branch bus or each phase. The three-phase one-piece lightning arrestor body is arranged at the end of the three-phase one-piece branch bus body in the direction in which the branch bus is extended, so that the dimension of the entire switchgear with respect to the longitudinal direction of the unit can be reduced, and the three-phase one-piece lightning arrestor body can be shortened. The degree of freedom of the arrangement position of the lightning arrestor body can be increased.
【００２６】また、三相一括形母線体から大地に垂直に
三相一括形避雷器体を配置するので、三相一括形分岐母
線体と大地間の三相一括形避雷器体を含む部分を小型化
できる。Also, since the three-phase collective lightning arrester is arranged perpendicular to the ground from the three-phase collective bus, the portion including the three-phase collective lightning arrestor between the three-phase collective branch bus and the ground can be reduced in size. it can.
【図１】 この発明による開閉装置の一実施例で、
（ａ）はその平面図及び（ｂ）はその正面図である。FIG. 1 is an embodiment of a switchgear according to the present invention;
(A) is the top view and (b) is the front view.
【図２】 この発明による開閉装置の別の実施例の
（ａ）はその結線図、（ｂ）はその平面図及び（ｃ）は
その正面図である。2A is a connection diagram, FIG. 2B is a plan view, and FIG. 2C is a front view of another embodiment of the switchgear according to the present invention.
【図３】 この発明による開閉装置の別の実施例で、
（ａ）はその平面図及び（ｂ）はその正面図である。FIG. 3 shows another embodiment of the switchgear according to the present invention;
(A) is the top view and (b) is the front view.
【図４】 従来の開閉装置で、（ａ）はその結線図、
（ｂ）はその平面図及び（ｃ）はその正面図である。4 (a) is a connection diagram of a conventional switchgear,
(B) is a plan view thereof, and (c) is a front view thereof.
１ 主母線 ２ 主母線側
断路器 ３ ベローズ ４，７ 接続母線 ５ 遮断器 ６ 線路断路
器 ８ 避雷器用断路器 ８１ 三相一括
形避雷器用断路器 ９ 避雷器 ９１ 三相一括
形避雷器 １０ 分岐母線 １０１ 三相一
括形分岐母線体 １１ 三相一括形避雷器体DESCRIPTION OF SYMBOLS 1 Main bus 2 Main bus side disconnector 3 Bellows 4, 7 Connection bus 5 Circuit breaker 6 Line disconnector 8 Disconnector for lightning arrester 81 Disconnector for three-phase collective lightning arrester 9 Lightning arrester 91 Three-phase collective lightning arrester 10 Branch bus 101 101 Phase collective branch bus body 11 Three-phase collective surge arrester
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−72906（ＪＰ，Ａ) 特開 昭62−254608（ＪＰ，Ａ) 特開 平４−88814（ＪＰ，Ａ) 特開 昭59−139807（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02B 13/035 - 13/075 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-59-72906 (JP, A) JP-A-62-254608 (JP, A) JP-A-4-88814 (JP, A) JP-A-59-72608 139807 (JP, A) (58) Field surveyed (Int. Cl. 7 , DB name) H02B 13/035-13/075
Claims (3)
一相分のユニットを三相分並置したユニット群、各相の
上記ユニットにそれぞれ接続し、各相の上記ユニットの
長手方向と交差する方向にそれぞれ配置した各相分岐母
線を三相一括配置した三相一括形分岐母線体、及び各相
の上記分岐母線と大地間にそれぞれ接続し、各相の上記
分岐母線の下方にそれぞれ配置した各相避雷器を三相一
括配置した三相一括形避雷器体を備えた開閉装置。1. A unit group in which a disconnector and a circuit breaker are connected in series to a main bus, and a unit group in which three phases are juxtaposed is connected to each unit of each phase, and a longitudinal direction of the unit of each phase is connected. The three-phase collective branch bus body in which the three-phase branch buses respectively arranged in the direction intersecting with the three-phase collective branch bus body, and the three-phase collective branch bus body connected to each of the above-mentioned branch buses and the ground of each phase, respectively, are provided below the above-mentioned branch buses of each phase. A switchgear equipped with a three-phase collective lightning arrestor body in which the three-phase lightning arresters arranged respectively are arranged in three phases.
一相分のユニットを三相分並置したユニット群、各相の
上記ユニットにそれぞれ接続し、各相の上記ユニットの
長手方向と交差する方向にそれぞれ配置した各相分岐母
線を三相一括配置した三相一括形分岐母線体、及び各相
の上記分岐母線と大地間にそれぞれ接続し、各相の上記
分岐母線から大地に垂直にそれぞれ配置した各相避雷器
を三相一括配置した三相一括形避雷器体を備えた開閉装
置。2. A unit group in which a disconnector and a circuit breaker connected in series to a main bus are connected to a unit group in which three phases are juxtaposed, and each unit is connected to the unit of each phase. The three-phase batch-type branch bus body in which the three-phase branch buses respectively arranged in the direction intersecting with the three-phase collective branch bus body, and the respective branch buses of each phase and the ground are connected to each other, and from the branch bus of each phase to the ground. A switchgear equipped with a three-phase collective lightning arrester in which each phase arrester arranged vertically is arranged in three phases.
一相分のユニットを三相分並置したユニット群、各相の
上記ユニットにそれぞれ接続し、各相の上記ユニットの
長手方向と交差する方向にそれぞれ配置した各相分岐母
線を三相一括配置した三相一括形分岐母線体、及び各相
の上記分岐母線と大地間にそれぞれ接続し、各相の上記
分岐母線を延長する方向で上記分岐母線の端部にそれぞ
れ配置した各相避雷器を三相一括配置した三相一括形避
雷器体を備えた開閉装置。3. A unit group in which a disconnector and a circuit breaker connected in series to a main bus are connected in parallel to a unit group for three phases, each unit is connected to the unit for each phase, and the longitudinal direction of the unit for each phase is connected. The three-phase batch-type branch bus body in which the three-phase branch buses respectively arranged in the direction intersecting with the three-phase collective branch bus body are connected together, and each of the branch buses of each phase and the ground are connected to extend the branch bus of each phase. A switchgear provided with a three-phase collective lightning arrestor body in which three-phase lightning arresters respectively arranged at the ends of the branch buses in three directions are collectively arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06212815A JP3102277B2 (en) | 1994-09-06 | 1994-09-06 | Switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06212815A JP3102277B2 (en) | 1994-09-06 | 1994-09-06 | Switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0879925A JPH0879925A (en) | 1996-03-22 |
| JP3102277B2 true JP3102277B2 (en) | 2000-10-23 |
Family
ID=16628823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06212815A Expired - Fee Related JP3102277B2 (en) | 1994-09-06 | 1994-09-06 | Switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3102277B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102643753B1 (en) * | 2019-04-08 | 2024-03-05 | 엘에스일렉트릭(주) | Gas Insulated Switchgear |
-
1994
- 1994-09-06 JP JP06212815A patent/JP3102277B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0879925A (en) | 1996-03-22 |
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