JPH04299007A - Gas insulation switchgear - Google Patents

Abstract

PURPOSE:To provide a gas insulation switchgear which is reduced in installation space and simplified in structure. CONSTITUTION:The single-phase circuit breakers 3a and 4a of main buses 1 and 2 are arranged along the axes of the buses 1 and 2 and the other two- phase circuit breakers 3b and 3c and 4b and 4c are arranged in parallel with the circuit breakers 3a and 4a on the outside of the breakers 3a and 4a. Line- side disconnecting switches 7a and 8a having lead sections which are parallel to the axial directions of the buses 1 and 2 are provided to the buses 1 and 2. The switches 7a and 8a are connected to the circuit breakers 3a and 4a through linear connecting buses 11a and 12a. Line-side disconnecting switches 7b, 7c, 8b, and 8c having lead sections which face to the outside perpendicularly to the axial directions of the buses 1 and 2 are provided to the buses 1 and 2. Then the line-side disconnecting switches 7b, 7c, 8b, and 8c are respectively connected to the circuit breakers 3b, 3c, 4b, and 4c through connecting buses 11b, 11c, 12b, and 12c bent into L-shapes.

Description

【発明の詳細な説明】[Detailed description of the invention]

［発明の目的］ [Purpose 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
つの主母線がそれぞれ３相一括形で構成され、遮断器が
単相形で構成されたガス絶縁開閉装置に関する。[Industrial Field of Application] The present invention is used for a busbar division line of a gas-insulated switchyard with a double busbar 4 bus tie system, and
The present invention relates to a gas insulated switchgear in which each of the two main buses is of the three-phase type and the circuit breaker is of the single-phase type.

【０００２】0002

【従来の技術】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おいては、それぞれの主母線を遮断
器を介して接続している。2. Description of the Related Art In a busbar division circuit of a gas-insulated switchyard with double busbars and four bus ties, each main busbar is connected via a circuit breaker.

【０００３】すなわち、図３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の単線結線図である
。２つの主母線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、
変流器５，６が取り付けられている。主母線１，２には
、それぞれ線路側断路器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。That is, FIG. 3 is a single line connection diagram of a bus section line in a double bus four bus tie type gas insulated switchyard. The two main buses 1 and 2 are separated by circuit breakers 3 and 4, respectively. At both ends of each circuit breaker 3, 4,
Current transformers 5 and 6 are attached. The main buses 1 and 2 are provided with line-side disconnectors 7 and 8 and grounding devices 9 and 10, respectively. Each main bus 1 divided in this way
, 2, lines A and B are drawn out.

【０００４】この場合、主母線としては、一般に３相一
括形のものが使用されるのに対して、遮断器には単相形
のものが使用される。そのため、２つの主母線と６基の
遮断器が配置されることになり、この部分の配置構成を
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４
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。In this case, the main bus is generally of the three-phase type, whereas the circuit breaker is of the single-phase type. Therefore, two main buses and six circuit breakers will be arranged, and it is important to devise the arrangement of these parts to reduce the installation space and simplify the device structure. From this point of view, conventional
As shown in FIGS. 7 to 7, various gas-insulated switchgear have been proposed.

【０００５】図４及び図５に示す第１の従来技術は、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ＧＣＢ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，１Ｂ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。The first prior art shown in FIGS. 4 and 5 is disclosed in Japanese Utility Model Publication No. 54-42418 and Japanese Utility Model Publication No. 59-159115.
This is what is described in the publication. In this prior art, when connecting the three-phase all-in-one main buses 1 and 2 constituting the double bus with six single-phase circuit breakers GCB,
Auxiliary busbars 1A, 1B are arranged parallel to the main busbars 1, 2, and six circuit breakers 3, 4 are arranged at right angles to the axes of the main busbars 1, 2.

【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。[0006] The second prior art shown in FIG.
The circuit breakers 3 and 4 are as described in the -83405 publication.
Although it is arranged on the axis of the two main generatrix lines 1 and 2, the ends of the two main generatrix lines 1 and 2 are bent in a right angle direction, and the 6
The main 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，１Ｂを平行に配置し、これら主母線１，
２と補助母線１Ａ，１Ｂの間に、遮断器３，４を直角に
配置している。The third conventional technique shown in FIG.
-176011, in which auxiliary bus bars 1A and 1B are arranged parallel to the ends of main bus bars 1 and 2, and these main bus bars 1,
Circuit breakers 3 and 4 are arranged at right angles between the main bus 2 and the auxiliary bus bars 1A and 1B.

【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。[Problems to be Solved by the Invention] However, all of the above gas insulated switchgears have 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，１Ｂ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，１Ｂ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, 1B are arranged outside the main buses 1, 2, and the circuit breakers 3, 4 are arranged outside the main buses 1, 2, so that the extra three-phase auxiliary buses 1A, 1B are arranged outside the main buses 1, 2. In addition, the connection busbars connecting each device are long. In addition, the circuit breaker 3,
4 is placed at right angles to the outside, so 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 connecting bus is short because the circuit breakers 3 and 4 are located in the axial direction of the main buses 1 and 2, but the main buses 1 and 2 are bent at right angles to face each other. Therefore, the width space is large and an extra main busbar is required for the bending. Furthermore, it is technically difficult to bend the three-phase main busbars 1 and 2.

【００１１】第３の従来技術は、主母線１，２と補助母
線１Ａ，１Ｂ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，１Ｂ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。[0011] In the third prior art, the circuit breakers 3 and 4 are arranged between the main buses 1 and 2 and the auxiliary buses 1A and 1B, so the connecting busbars are short, but like the first prior art, Three-phase auxiliary buses 1A and 1B are required. In addition, circuit breakers 3 and 4
Since it is placed perpendicular to the main bus bar, the installation space is large.

【００１２】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、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 was proposed to solve the problems of the prior art as described above, and its purpose is to shorten the connecting bus without using an auxiliary bus, and further reduce the installation space. The objective is to provide a gas insulated switchgear that makes it possible to [Structure of the invention]

【００１３】[0013]

【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、本発明のガス絶縁開閉装置は、二重母線を構成す
る各主母線を平行に配置し、各主母線の１相の遮断器を
その主母線の軸上に配置し、他の２相の遮断器を前記１
相の遮断器の外側に平行に配置し、各主母線には、主母
線の軸方向と平行な口出部を有する１相の線路側断路器
を設け、この線路側断路器と前記主母線の軸上に配置さ
れた遮断器を、直線状の接続母線を介して接続し、各主
母線には、主母線の軸方向と直角に外側に向いた口出部
を有する２相の線路側断路器を設け、これらの線路側断
路器と前記他の２相の遮断器を、Ｌ字形に屈曲した接続
母線を介して接続したことを特徴とする。[Means for Solving the Problems] In order to achieve the above object, the gas insulated switchgear of the present invention arranges each main bus bar constituting a double bus bar in parallel, and interrupts one phase of each main bus bar. The circuit breaker is placed on the axis of its main bus bar, and the other two-phase circuit breakers are placed on the axis of the main bus bar.
A one-phase line-side disconnect switch is arranged parallel to the outside of the phase circuit breaker, and each main bus bar is provided with a one-phase line-side disconnect switch having an outlet parallel to the axial direction of the main bus bar, and this line-side disconnect switch and the main bus bar are connected to each other. The circuit breakers arranged on the axis of the two-phase line are connected via straight connection busbars, and each main busbar has a two-phase line side having an outlet facing outward perpendicular to the axial direction of the main busbar. The present invention is characterized in that disconnectors are provided, and these line-side disconnectors and the other two-phase circuit breaker are connected via an L-shaped connecting bus bar.

【００１４】[0014]

【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、６基の遮断器がすべて２つの主母線と
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、１相については、
遮断器と主母線に設けた線路側断路器とが同じ軸上に配
置されているので、直線状接続母線の使用が可能となり
、断路器と遮断器を結ぶ接続母線が短くなる。更に、３
相の補助母線も不要である。[Operation] In the gas insulated switchgear of the present invention having such a configuration, all six circuit breakers are arranged parallel to the two main busbars, so there is no protrusion of the circuit breakers in the width direction, making installation easy. Space becomes smaller. Also, for 1 phase,
Since the circuit breaker and the line-side disconnect switch provided on the main bus are arranged on the same axis, it is possible to use a straight connection bus, and the connection bus that connects the circuit breaker to the circuit breaker is shortened. Furthermore, 3
Auxiliary busbars for the phases are also not required.

【００１５】[0015]

【実施例】以下、本発明の一実施例を図１及び図２に従
って具体的に説明する。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。[Embodiment] Hereinafter, one embodiment of the present invention will be explained in detail with reference to FIGS. 1 and 2. In this embodiment, the two main busbars 1 and 2 are each formed by a three-phase gas-insulated busbar and are arranged parallel to each other.

【００１６】各主母線１，２を接続する遮断器３ａ〜３
ｃ，４ａ〜４ｃは、単相形のガス遮断器によって構成さ
れている。これらの遮断器のうち、各主母線１，２の１
相の遮断器３ａ，４ａは、各主母線１，２の軸上に配置
され、他の２相の遮断器３ｂ，３ｃ及び４ｂ，４ｃは、
前記１相の遮断器３ａ，４ａの外側に平行に配置されて
いる。[0016] Breakers 3a to 3 connecting each main bus bar 1, 2
c, 4a to 4c are constituted by single-phase gas circuit breakers. Of these circuit breakers, one of each main bus 1 and 2
The phase circuit breakers 3a, 4a are arranged on the axis of each main bus 1, 2, and the other two phase circuit breakers 3b, 3c and 4b, 4c are
It is arranged parallel to the outside of the one-phase circuit breakers 3a and 4a.

【００１７】各主母線１，２には、主母線１，２の軸方
向と平行な口出部を有する１相の線路側断路器７ａ，８
ａが設けられ、この線路側断路器７ａ，８ａと前記主母
線の軸上に配置された１相の遮断器３ａ，４ａが、直線
状の接続母線１１ａ，１２ａを介して接続されている。Each of the main busbars 1 and 2 is provided with one-phase track side disconnectors 7a and 8 having openings parallel to the axial direction of the main busbars 1 and 2.
The line-side disconnectors 7a, 8a are connected to the one-phase circuit breakers 3a, 4a arranged on the axis of the main bus bar via straight connection busbars 11a, 12a.

【００１８】各主母線１，２には、主母線１，２の軸方
向と直角に外側に向いた口出部を有する２相の線路側断
路器７ｂ，７ｃ及び８ｂ，８ｃが設けられ、これらの線
路側断路器７ｂ，７ｃ及び８ｂ，８ｃと前記他の２相の
遮断器３ｂ，３ｃ及び４ｂ，４ｃが、Ｌ字形に屈曲した
接続母線１１ｂ，１１ｃ及び１２ｂ，１２ｃを介して接
続されている。Each of the main busbars 1, 2 is provided with two-phase line-side disconnectors 7b, 7c and 8b, 8c, each having an outlet facing outward perpendicular to the axial direction of the main busbars 1, 2. These line-side disconnectors 7b, 7c and 8b, 8c and the other two-phase circuit breakers 3b, 3c and 4b, 4c are connected via L-shaped connecting busbars 11b, 11c and 12b, 12c. ing.

【００１９】このような構成を有する本実施例において
は、６基の遮断器３ａ〜３ｃ，４ａ〜４ｃ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, the six circuit breakers 3a to 3c and 4a to 4c are all arranged parallel to the main busbars 1 and 2, so the circuit breakers are placed at right angles to the main busbars. Compared to the conventional technology in which the gas insulated switchgear is arranged in the same direction, the installation space in the width direction of the gas insulated switchgear is reduced.

【００２０】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、単相の接続母
線のみで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。In addition, there is no need for a three-phase auxiliary busbar, there is no need to bend the main busbar itself, and the main busbar and circuit breaker are connected only by a single-phase connection busbar, so the configuration of the gas insulated switchgear is improved. Simplification becomes possible.

【００２１】特に、主母線と遮断器とを結ぶ接続母線の
うち、その１相の接続母線１１ａ，１２ａは主母線１，
２と同軸の直線状のものであるので、接続母線の長さも
少なくて済む。In particular, among the connection buses connecting the main bus and the circuit breaker, the one-phase connection buses 11a and 12a are connected to the main bus 1,
Since it is linear and coaxial with 2, the length of the connection bus bar can be shortened.

【００２２】[0022]

【発明の効果】以上の通り、本発明によれば、６基の遮
断器を２つの主母線と平行に配置すると共に、線路側断
路器の１相の口出部を主母線と同じ軸上に配置すると言
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, six circuit breakers are arranged parallel to the two main busbars, and the outlet of one phase of the line-side disconnector is placed on the same axis as the main busbar. The simple structure of arranging the gas insulated switchgear has the effect of reducing the installation space and providing a compact gas insulated switchgear with a simplified structure.

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

【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] A plan view showing an embodiment of the gas-insulated switchgear of the present invention.

【図２】図１のガス絶縁開閉装置の側面図[Figure 2] Side view of the gas-insulated switchgear in Figure 1

【図３】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[Figure 3] Single-line connection diagram of the busbar division circuit of a gas-insulated switchyard with double busbar 4 bus tie system

【図４】図３のガス絶縁開閉装置の第１の従来技術を示
す平面図[Fig. 4] A plan view showing the first conventional technique of the gas-insulated switchgear shown in Fig. 3.

【図５】図４のガス絶縁開閉装置の側面図[Figure 5] Side view of the gas insulated switchgear in Figure 4

【図６】図３
のガス絶縁開閉装置の第２の従来技術を示す平面図[Figure 6] Figure 3
A plan view showing the second conventional technology of the gas insulated switchgear of

【図７】図３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] A plan view showing the third conventional technique of the gas-insulated switchgear shown in Fig. 3.

【符号の説明】[Explanation of symbols]

１，２…主母線 ３，４…遮断器 ５，６…変流器 ７，８…線路側断路器 ９，１０…接地装置 １１，１２…接続母線 1, 2...Main bus line 3, 4...breaker 5, 6...Current transformer 7, 8...Line side disconnector 9,10...Grounding device 11, 12...Connection busbar

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】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つの主母線がそれぞ
れ３相一括形で構成され、遮断器が単相形で構成された
ガス絶縁開閉装置において、２重母線を構成する各主母
線を平行に配置し、各主母線の１相の遮断器をその主母
線の軸上に配置し、他の２相の遮断器を前記１相の遮断
器の外側に平行に配置し、各主母線には、主母線の軸方
向と平行な口出部を有する１相の線路側断路器を設け、
この線路側断路器と前記主母線の軸上に配置された遮断
器を、直線状の接続母線を介して接続し、各主母線には
、主母線の軸方向と直角に外側に向いた口出部を有する
２相の線路側断路器を設け、これらの線路側断路器と前
記他の２相の遮断器を、Ｌ字形に屈曲した接続母線を介
して接続したことを特徴とするガス絶縁開閉装置。Claim 1: A gas insulated gas insulated circuit breaker used in a busbar division circuit of a gas insulated switchyard with double busbars and 4 bus ties, in which the two main buses are each configured as a 3-phase package type, and the circuit breaker is configured as a single-phase type. In a switchgear, each main bus bar constituting a double bus bar is arranged in parallel, a circuit breaker for one phase of each main bus bar is arranged on the axis of the main bus bar, and a circuit breaker for the other two phases is arranged on the axis of the main bus bar. A one-phase line-side disconnector is arranged parallel to the outside of the circuit breaker, and each main busbar is provided with a one-phase line-side disconnector having an outlet parallel to the axial direction of the main busbar.
This line-side disconnector and the circuit breaker placed on the axis of the main bus are connected via a straight connection bus, and each main bus has an opening facing outward perpendicular to the axial direction of the main bus. A gas insulation device characterized in that a two-phase line-side disconnector having an outlet is provided, and these line-side disconnectors and the other two-phase circuit breaker are connected via a connecting busbar bent in an L-shape. Switchgear.