JP2931685B2 - Gas insulated switchgear - Google Patents
Gas insulated switchgearInfo
- Publication number
- JP2931685B2 JP2931685B2 JP3071437A JP7143791A JP2931685B2 JP 2931685 B2 JP2931685 B2 JP 2931685B2 JP 3071437 A JP3071437 A JP 3071437A JP 7143791 A JP7143791 A JP 7143791A JP 2931685 B2 JP2931685 B2 JP 2931685B2
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- JP
- Japan
- Prior art keywords
- bus
- main
- circuit breaker
- buses
- gas insulated
- 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.)
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Description
[発明の目的] [Object of the invention]
【0001】[0001]
【産業上の利用分野】本発明は、2重母線4ブスタイ方
式のガス絶縁開閉所の母線区分回線に使用され、かつ2
つの主母線及び遮断器が3相一括形で構成されたガス絶
縁開閉装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for a bus division line of a gas-insulated switchyard of a double-bus 4-bus tie system.
The present invention relates to a gas insulated switchgear in which two main buses and a circuit breaker are configured in a three-phase package.
【0002】[0002]
【従来の技術】近年、据付スペースの縮小とか、環境調
和、保守点検の合理化のため、接地金属容器内にSF6
ガスなどの絶縁ガスと共に高電圧導体やその開閉手段を
収納して成るガス絶縁開閉装置が広く使用されるように
なってきた。例えば、2重母線4ブスタイ方式の開閉所
の母線区分回線においては、それぞれの主母線をガス絶
縁遮断器、ガス絶縁断路器などの機器により接続するガ
ス絶縁開閉装置が使用されている。2. Description of the Related Art In recent years, SF6 has been installed in a grounded metal container in order to reduce installation space, harmonize the environment, and rationalize maintenance and inspection.
Gas-insulated switchgears, which contain a high-voltage conductor and its switching means together with an insulating gas such as a gas, have been widely used. For example, in a bus division line of a double bus 4-bus tie switchyard, a gas insulated switchgear that connects each main bus with a device such as a gas insulated circuit breaker or a gas insulated disconnector is used.
【0003】図4は、2重母線4ブスタイ方式のガス絶
縁開閉所の母線区分回線に使用されるガス絶縁開閉装置
の単線結線図である。すなわち、図4において、2系統
の主母線1,2は、それぞれ遮断器3,4により区分さ
れている。それぞれの遮断器3,4の両端には、断路器
5,6が取り付けられている。主母線1,2には、それ
ぞれ計器用変圧器7,8及び接地装置9,10が設けら
れている。このようにして区分された各主母線1,2か
らは、回線A,Bが引き出されている。FIG. 4 is a single-line diagram of a gas insulated switchgear used in a bus section line of a double bus, four bus tie type gas insulated switchyard. That is, in FIG. 4, the two main buses 1 and 2 are separated by circuit breakers 3 and 4, respectively. Disconnectors 5 and 6 are attached to both ends of each circuit breaker 3 and 4, respectively. The main buses 1 and 2 are provided with instrumentation transformers 7 and 8 and grounding devices 9 and 10, respectively. Lines A and B are drawn from the main buses 1 and 2 thus divided.
【0004】このようにガス絶縁開閉装置には、主母線
以外に、遮断器や断路器、更には計器用変圧器や接地装
置など各種の機器が必要であり、これらの機器の配置構
成を工夫し、据付スペースの縮小や装置構成の単純化を
図ることが重要である。このような観点から、従来から
図5ないし図7に示すように、各種のガス絶縁開閉装置
が提案されている。As described above, the gas insulated switchgear requires various devices such as a circuit breaker, a disconnector, an instrument transformer and a grounding device in addition to the main bus, and the arrangement of these devices is devised. However, it is important to reduce the installation space and simplify the device configuration. From such a viewpoint, various gas insulated switchgears have been conventionally proposed as shown in FIGS.
【0005】図5に示す第1の従来技術は、実公昭62
−13377号、実公昭54−42418号及び実公昭
59−159115号公報に記載のものである。この従
来技術では、2重母線を構成する3相一括形の主母線
1,2を、それぞれ単相形の6基の遮断器によって接続
するに当たり、主母線1,2と平行に補助母線1a,2
bを配置し、しかも6基の遮断器3,4を主母線1,2
の軸に対して直角に配置している。[0005] A first prior art shown in FIG.
No. 13377, JP-B-54-42418 and JP-B-59-159115. In this prior art, when connecting the three-phase one-piece main buses 1 and 2 constituting a double bus with six single-phase circuit breakers, the auxiliary buses 1a and 2 are parallel to the main buses 1 and 2 respectively.
b, and the six circuit breakers 3 and 4 are connected to the main buses 1 and 2
Are arranged at right angles to the axis.
【0006】図6に示す第2の従来技術は、特開昭55
−83405号公報に記載のもので、遮断器3,4は、
2つの主母線1,2の軸上に配置されているが、2つの
主母線1,2の端部を直角方向に屈曲させ、その間に6
基の遮断器3,4を平行に配置している。A second prior art shown in FIG.
-83405, the circuit breakers 3 and 4 are:
Although arranged on the axis of the two main buses 1 and 2, the ends of the two main buses 1 and 2 are bent in a right angle direction, and 6
The basic circuit breakers 3 and 4 are arranged in parallel.
【0007】図7に示す第3の従来技術は、実開昭55
−176011号に示すもので、主母線1,2の端部に
補助母線1a,2aを平行に配置し、これら主母線1,
2と補助母線1a,2aの間に、遮断器3,4を直角に
配置している。また、主母線1,2の計器用変圧器7,
8と接地開閉器9,10は、主母線1,2端部の遮断器
3,4の接続部や接続母線の間に配置している。A third prior art shown in FIG.
No. 176011, auxiliary buses 1a and 2a are arranged in parallel at the ends of the main buses 1 and 2,
Circuit breakers 3 and 4 are arranged at right angles between 2 and auxiliary buses 1a and 2a. Also, the instrumentation transformers 7,
The ground switch 8 and the earthing switches 9 and 10 are arranged between the connection portions of the breakers 3 and 4 at the ends of the main buses 1 and 2 and between the connection buses.
【0008】[0008]
【発明が解決しようとする課題】ところが、上記のよう
なガス絶縁開閉装置は、いずれも下記のような解決すべ
き課題があった。However, each of the above gas insulated switchgears has the following problems to be solved.
【0009】第1の従来技術は、主母線1,2の外側に
補助母線1a,2aを、その外側に遮断器3,4を配置
しているため、余分な3相の補助母線1a,2aが必要
な上、各機器を結ぶ接続母線が長い。また、遮断器3,
4が外側に直角に配置されているので、据付スペースが
大きい。In the first prior art, the auxiliary buses 1a and 2a are arranged outside the main buses 1 and 2 and the circuit breakers 3 and 4 are arranged outside the auxiliary buses 1a and 2a. And the connection bus connecting each device is long. Circuit breaker 3,
4 is arranged at right angles to the outside, so that the installation space is large.
【0010】第2の従来技術は、遮断器3,4が主母線
1,2の軸方向にあるため接続母線の長さは短いが、主
母線1,2を対向して直角に曲げているため、幅スペー
スが大きいと共に、曲げる分だけ余分な主母線が必要で
ある。更に、3相の主母線1,2を曲げることは、技術
的にも困難である。In the second prior art, the length of the connection bus is short because the circuit breakers 3, 4 are in the axial direction of the main buses 1, 2, but the main buses 1, 2 are bent at right angles to each other. Therefore, the width space is large, and an extra main bus bar is required for the bending. Further, it is technically difficult to bend the three-phase main buses 1 and 2.
【0011】第3の従来技術は、主母線1,2と補助母
線1a,2aの間に遮断器3,4を配置しているので接
続母線は短いものの、第1の従来技術と同様に、3相の
補助母線1a,2aが必要である。また、遮断器3,4
が主母線と直角に配置されているので、据付スペースも
大きい。In the third prior art, although the circuit breakers 3 and 4 are arranged between the main buses 1 and 2 and the auxiliary buses 1a and 2a, the connection bus is short, but as in the first prior art, Three-phase auxiliary buses 1a and 2a are required. Circuit breakers 3, 4
Are arranged at right angles to the main bus, so the installation space is large.
【0012】更に、上記の各従来技術は、いずれも主母
線1,2の計器用変圧器7,8や接地開閉器9,10の
設置スペースの確保が難しく、やむをえず母線長が大き
くなったり、計器用変圧器などの設置スペースを遮断器
部分とは別に設けていた。Further, in each of the prior arts described above, it is difficult to secure the installation space for the instrument transformers 7 and 8 and the earthing switches 9 and 10 of the main buses 1 and 2, and the bus length is inevitably increased. The installation space for the instrument transformer and the like was provided separately from the circuit breaker.
【0013】本発明は、上述の如き従来技術の問題点を
解消するために提案されたもので、その目的は、3相の
補助母線を使用することなく、しかも接続母線を短縮化
し、更に計器用変圧器や設置開閉器までも含めた各構成
機器の据付スペースの減少を可能としたガス絶縁開閉装
置を提供することにある。 [発明の構成]The present invention has been proposed in order to solve the above-mentioned problems of the prior art, and has as its object the use of a three-phase auxiliary bus without the use of a connecting bus, and a further reduction in the number of instruments. It is an object of the present invention to provide a gas-insulated switchgear that can reduce the installation space of each component including a transformer for use and an installation switchgear. [Configuration of the Invention]
【0014】[0014]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明は、In order to achieve the above-mentioned object, the present invention provides:
【0015】二重母線を構成する2系統の3相一括形主
母線を直線状にしかも平行に配置し、かつ各系統の主母
線には、各主母線を区分する遮断器接続部を設けた2重
母線4ブスタイ方式のガス絶縁開閉装置において、各系
統の主母線端部に設けられた遮断器接続部を、機器配置
スペースを保って対向配置し、これら各系統の主母線に
設けられた機器配置スペースの外側には、主母線の軸と
平行な口出部を有する遮断器を配置し、各遮断器接続部
の上部には断路器を配置し、この断路器と前記遮断器の
口出部とをL字形の接続母線で接続し、各主母線の遮断
器接続部と前記遮断器によって囲まれた機器配置スペー
スには、各主母線の接地開閉器及び計器用変圧器を配置
したことを特徴とする。[0015] Two systems of three-phase collective main buses constituting a double bus are arranged linearly and in parallel, and each main bus is provided with a circuit breaker connecting portion for dividing each main bus. In the gas insulated switchgear of the double bus 4-bus tie system, the breaker connection portions provided at the ends of the main buses of the respective systems are arranged facing each other while keeping the space for equipment arrangement, and provided on the main buses of the respective systems. A circuit breaker having an outlet parallel to the axis of the main bus is arranged outside the device arrangement space, and a disconnector is disposed above each circuit breaker connection. The outlets are connected by L-shaped connection buses, and the earthing switch of each main bus and the transformer for the instrument are arranged in the breaker connection section of each main bus and the equipment arrangement space surrounded by the circuit breaker. It is characterized by the following.
【0016】[0016]
【作用】このような構成を有する本発明のガス絶縁開閉
装置においては、遮断器が2系統の主母線と平行に配置
されるので、幅方向への遮断器の突出がなく、据付スペ
ースが小さくなる。また、各系統の主母線端部の間に形
成された機器設置スペースに計器用変圧器や設置開閉器
を配置でき、主母線長を大きくしたり別に計器用変圧器
などの設置スペースを設ける必要もなくなり、ガス絶縁
開閉装置の構成機器を一か所にコンパクトに設置でき
る。更に、各構成機器以外には、遮断器と断路器とを結
ぶL字形接続母線のみで良く、3相の補助母線も不要
で、構造が単純化される。In the gas insulated switchgear of the present invention having such a configuration, the circuit breakers are arranged in parallel with the two main buses, so that the circuit breakers do not protrude in the width direction and the installation space is small. Become. In addition, instrument transformers and installation switches can be arranged in the equipment installation space formed between the ends of the main buses of each system, and it is necessary to increase the length of the main bus and provide separate installation space for instrument transformers And the components of the gas insulated switchgear can be compactly installed in one place. Further, other than the components, only an L-shaped connection bus connecting the circuit breaker and the disconnecting switch is sufficient, and a three-phase auxiliary bus is not required, and the structure is simplified.
【0017】[0017]
【実施例】以下、本発明の一実施例を図1ないし図3に
従って具体的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to FIGS.
【0018】本実施例において、2つの主母線1,2は
それぞれ3相一括形のガス絶縁母線によって形成され、
互いに平行に配置されている。各系統の主母線1,2の
母線区分回線部分には遮断器接続部が設けられている。
この遮断器接続部は、機器配置スペースとなる一定の間
隔を保って対向配置されている。In this embodiment, the two main buses 1 and 2 are each formed by a three-phase gas-insulated bus.
They are arranged parallel to each other. Circuit breaker connection portions are provided in the bus section lines of the main buses 1 and 2 of each system.
The circuit breaker connection portions are opposed to each other with a certain interval, which is a device arrangement space.
【0019】一方、本実施例で各系統の遮断器3,4
は、3相一括形の縦置き形ガス絶縁遮断器によって構成
されている。この遮断器3,4は、各系統の主母線1,
2の軸線よりも外側になるように配置され、しかもその
口出部が、遮断器タンクの上部と下部で反対方向に設け
られている。すなわち、2系統の遮断器3,4が、各主
母線端部に形成された機器設置スペースを、外側から取
り囲むように配置されている。On the other hand, in this embodiment, the circuit breakers 3, 4
Is constituted by a three-phase batch type vertical gas insulated circuit breaker. The circuit breakers 3 and 4 are connected to the main buses 1 of each system.
It is arranged so that it may be outside the 2nd axis, and the outlet is provided in the upper and lower parts of the circuit breaker tank in opposite directions. That is, the two circuit breakers 3 and 4 are arranged so as to surround the device installation space formed at the end of each main bus bar from the outside.
【0020】各系統の主母線1,2の端部に設けられた
遮断器接続部の上部には、それぞれ断路器5,6が設け
られている。この断路器5,6の高さは、図2に示すよ
うに遮断器3,4の上下の口出部の位置に合わせて設定
されている。また、各断路器5,6と遮断器3,4の各
口出部との間は、L字形の接続母線11,12によって
接続されている。Disconnectors 5 and 6 are provided above breaker connection portions provided at the ends of the main buses 1 and 2 of each system. The heights of the disconnectors 5, 6 are set in accordance with the positions of the upper and lower outlets of the circuit breakers 3, 4, as shown in FIG. The disconnectors 5 and 6 are connected to the outlets of the circuit breakers 3 and 4 by L-shaped connection buses 11 and 12.
【0021】各系統の主母線1,2の端部に設けられた
遮断器接続部の母線の軸上には、接地開閉器9,10及
び計器用変圧器7,8が設けられている。すなわち、主
母線の遮断器接続部の間には、各系統の遮断器3,4に
取り囲まれるように機器配置スペースが設けられている
が、この機器配置スペース内に、接地開閉器9,10及
び計器用変圧器7,8が設けられているGrounding switches 9 and 10 and instrument transformers 7 and 8 are provided on the axes of the buses of the circuit breaker connecting portions provided at the ends of the main buses 1 and 2 of each system. That is, between the circuit breaker connection portions of the main bus, equipment arrangement spaces are provided so as to be surrounded by the circuit breakers 3 and 4 of each system. And instrument transformers 7 and 8 are provided.
【0022】なお、本実施例では、図3に示すように、
主母線の軸端に設けられた接地開閉器9,10の上部に
計器用変圧器7,8が設けられているが、計器用変圧器
7,8は主母線1,2の軸線上や接地開閉器9,10の
側面や下部に設けることもできる。In this embodiment, as shown in FIG.
Instrument transformers 7 and 8 are provided above the earthing switches 9 and 10 provided at the shaft ends of the main buses. The instrument transformers 7 and 8 are provided on the axes of the main buses 1 and 2 and the ground. It can also be provided on the side or lower part of the switches 9 and 10.
【0023】このような構成を有する本実施例において
は、2系統の遮断器3,4がいずれも主母線1,2と平
行に配置されるので、遮断器を主母線に直角に配置した
従来技術に比較して、ガス絶縁開閉装置の幅方向の据付
スペースが少なくて済む。In this embodiment having such a configuration, since the two circuit breakers 3 and 4 are both arranged in parallel with the main buses 1 and 2, the conventional circuit breaker is arranged at right angles to the main bus. Compared with the technology, the installation space in the width direction of the gas insulated switchgear can be reduced.
【0024】また、3相の補助母線をまったく必要とせ
ず、主母線自体を屈曲させる必要もなく、接続母線のみ
を使用して主母線と遮断器を接続するので、ガス絶縁開
閉装置の構成の単純化が可能となる。Further, since the three-phase auxiliary bus is not required at all, the main bus itself is not required to be bent, and the main bus and the circuit breaker are connected using only the connection bus, the configuration of the gas insulated switchgear is not required. Simplification is possible.
【0025】特に、主母線端部と遮断器によって囲まれ
た機器配置スペースに接地開閉器と計器用変圧器とを配
置したので、ガス絶縁開閉装置を構成する各機器を近接
してしかも母線回線区分用のスペース内にコンパクトに
配置でき、ガス絶縁開閉装置全体の小型縮小化が可能と
なる。更に、本実施例では、遮断器を3相一括形とたの
で、装置全体のより小形化が達成できる。In particular, since the earthing switch and the instrument transformer are arranged in the equipment arrangement space surrounded by the end of the main bus and the circuit breaker, each device constituting the gas insulated switchgear is located close to the bus line. It can be compactly arranged in the space for sorting, and the whole gas insulated switchgear can be reduced in size. Furthermore, in the present embodiment, the circuit breaker is of a three-phase type, so that the overall size of the device can be further reduced.
【0026】なお、本発明は、上記の実施例に限定され
るものではなく、遮断器及び断路器を単相形とすること
も可能である。また、遮断器は、縦置き形に限らず、横
置き形のものも使用できる。The present invention is not limited to the above embodiment, and the circuit breaker and the disconnector may be of a single phase type. The circuit breaker is not limited to the vertical type, and a horizontal type can be used.
【0027】[0027]
【発明の効果】以上の通り、本発明によれば、各系統の
母線端部に設けられた遮断器接続部の間に機器配置スペ
ースを設け、この機器配置スペース内に接地開閉器及び
計器用変圧器を配置すると言う簡単な構成により、据付
スペースが縮小され、構造が簡略化されたコンパクトな
ガス絶縁開閉装置を提供できる効果がある。As described above, according to the present invention, a space for arranging equipment is provided between breaker connection parts provided at the ends of the buses of the respective systems, and a grounding switch and an instrument for measuring instruments are provided in the space for arranging equipment. With the simple configuration of disposing the transformer, there is an effect that the installation space is reduced and a compact gas insulated switchgear having a simplified structure can be provided.
【図1】本発明のガス絶縁開閉装置の一実施例を示す平
面図FIG. 1 is a plan view showing one embodiment of a gas insulated switchgear of the present invention.
【図2】図1のガス絶縁開閉装置のX−X線から見た側
面図FIG. 2 is a side view of the gas insulated switchgear of FIG. 1 as seen from line XX.
【図3】図1のガス絶縁開閉装置のY−Y線から見た側
面図FIG. 3 is a side view of the gas insulated switchgear of FIG. 1 as viewed from the line YY.
【図4】2重母線4ブスタイ方式のガス絶縁開閉所の母
線区分回線の単線結線図FIG. 4 is a single-line diagram of a bus section line of a double bus 4-bus tie gas-insulated switchyard;
【図5】図4のガス絶縁開閉装置の第1の従来技術を示
す平面図FIG. 5 is a plan view showing a first prior art of the gas insulated switchgear of FIG. 4;
【図6】図4のガス絶縁開閉装置の第2の従来技術を示
す平面図FIG. 6 is a plan view showing a second prior art of the gas insulated switchgear of FIG. 4;
【図7】図4のガス絶縁開閉装置の第3の従来技術を示
す平面図FIG. 7 is a plan view showing a third prior art of the gas insulated switchgear of FIG. 4;
1,2…主母線 3,4…遮断器 5,6…断路器 7,8…計器用変圧器 9,10…接地開閉器 11,12…接続母線 1, 2, main bus 3, 4, circuit breaker 5, 6, disconnector 7, 8, instrument transformer 9, 10, ground switch 11, 12, connection bus
Claims (1)
母線を直線状にしかも平行に配置し、かつ各系統の主母
線には、各主母線を区分する遮断器接続部を設けて成る
2重母線4ブスタイ方式のガス絶縁開閉装置において、
各系統の主母線端部に設けられた遮断器接続部を、機器
配置スペースを保って対向配置し、これら各系統の主母
線端部間に設けられた機器配置スペースの外側には、主
母線の軸と平行な口出部を有する各系統の遮断器を配置
し、各系統の主母線の遮断器接続部の上部には断路器を
配置し、これらの断路器と前記遮断器の口出部とをL字
形の接続母線で接続し、各主母線の遮断器接続部と前記
遮断器によって囲まれた機器配置スペースには、各主母
線の接地開閉器及び計器用変圧器を配置したことを特徴
とするガス絶縁開閉装置。A two-phase three-phase collective main bus constituting a double bus is arranged linearly and in parallel, and a breaker connecting portion for dividing each main bus is provided in each main bus. In the double bus 4 bus tie type gas insulated switchgear provided,
The circuit breaker connection parts provided at the ends of the main buses of the respective systems are arranged opposite to each other while maintaining the equipment arrangement space, and the main buses are provided outside the equipment arrangement spaces provided between the main bus ends of these systems. A breaker of each system having an outlet parallel to the axis of each system is arranged, and a disconnector is arranged above the breaker connection portion of the main bus of each system, and these disconnectors and the outlet of the circuit breaker are arranged. And the parts are connected by an L-shaped connection bus, and the earthing switch and the instrument transformer of each main bus are arranged in the circuit breaker connection part of each main bus and the equipment arrangement space surrounded by the circuit breaker. A gas insulated switchgear characterized by the following.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3071437A JP2931685B2 (en) | 1991-04-04 | 1991-04-04 | Gas insulated switchgear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3071437A JP2931685B2 (en) | 1991-04-04 | 1991-04-04 | Gas insulated switchgear |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04308406A JPH04308406A (en) | 1992-10-30 |
JP2931685B2 true JP2931685B2 (en) | 1999-08-09 |
Family
ID=13460517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3071437A Expired - Fee Related JP2931685B2 (en) | 1991-04-04 | 1991-04-04 | Gas insulated switchgear |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2931685B2 (en) |
-
1991
- 1991-04-04 JP JP3071437A patent/JP2931685B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04308406A (en) | 1992-10-30 |
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