經濟部中央標準局員工消费合作社印製 广、⑽36 - 五、發明説明（1 ) (發明之背景） 本發明關於氣體絕緣開關裝置，特別是有關於雙重地 配置了主母線導體之氣體絕緣開關裝置。 氣體絕緣開關裝匱係，在密閉容器內收容開關部及通 電導體，塡充了絕緣性氣體而成之裝置。由於小型化絕緣 性能以及安全性之點上優異，所以廣汎地使用於變電所等 之電氣場所。此種氣體絕緣開關裝置有，介著斷路等之機 器而將複數之分岐回線連接於第1主母線及第2主母線之 雙重主母線構造者。 習用之氣體絕緣開關裝置之第^L主母線組及第2主母 線組係具有例如曰本專利公報特開平1 - 8 9 0 6號，特 開昭6 2 — 2 7 2 8 0 9號所揭示之構成=對於主母線組 連接有收容母線側斷路器之密閉容器，而該用於開關母線 側斷路器之操作器係設於主母線組之水平方向之外側。在 此構成之下，母線側斷路器與操作器乃介著，操作母線側 斷路器之第1之操作軸|操作器所操作之第2操作軸，連 結第1操作軸與第2操作軸之連結連桿而被連接，由支撑 於密閉容器之架台所支撑。又與操作器之相反方向設置有 收容斷路器等之分岐回線組。 在上述之先前技術中，操作母線側斷路器之開關之操 作器係設置於主母線組之外部|由於設置爲了吸收密閉容 器與操作器間之製作公差及組裝公差所致之偏差用之連結 連桿，或採用該主母線電壓之自比較的低電壓至高電壓地 汎用的可利用之操作器等之理由，操作器一般乃大型且重 ---------种衣------=t----------^ (請先閲讀背面之注意事m*寫本頁) 本紙張尺度適用中國國家標準（CNS > A4規格（2丨0X297公釐> ·4_ Λ7 43 713 6 五、發明説明¢2 ) (#先閱讀背面之％vi意事填蜞艿本頁) 量重•所以需要設置用於支撑操作器用之架台，操作器之 設置位置乃配置於主母線組之長軸方向之中心位置，又以 母線爲軸配置於分岐回線組之相反方向。 如上所述，在習用之氣體絕緣開關裝置中，由於操作 器係突出於外側地被設置，所以成爲氣體絕緣開關裝置之 小型化之妨礙，於是爲了使氣體絕緣開關裝置小型化起見 ，著且於第1主母線組與第2主母線組間之空間，於是不 改變第1主母線組及第2主母線組之位置，而可考慮將操 作收容於主母線組內之母線側斷路器之操作器|配置於上 述主母線組間，惟在習用之構造之下，如果欲將操作器配 置於第1主母線組與第2主母線組之間時，有需要擴大主 母線組間之間隔才行之問題。 (發明之槪說） 本發明之第1目的係提供一種將操作器配置於第1及 第2主母線組間之氣體絕緣開關裝置可能予以小型化之氣 體絕緣開關裝置。 經濟部中央樣準局員工消费合作社印聚 本發明之第2目的係提供一種使第1主母線組與第2 主母線組爲同一形狀而可共用化由而達減低成本之氣體絕 緣開關裝置。 爲了達成上述目的本發明之氣體絕緣開關裝匱，乃主 要係，在容器內收容第1主母線導體及連接於該第1主母 線導體之第1母線側斷路器之第1主母線組，及與該第1 主母線組倂設，在容器內收容第2主母線導體及連接於該 本紙張尺度適用中國國家標隼（CNS > A4说格（ZIOXW·?公釐） -5 - 五、發明説明0 ) 第2主母線導體之第2母線側斷路器之第2主母線組，以 及介著包含斷路器等機器而對於第1，第2主每線組連接 了複數之分岐回線而成之雙重母線之氣體絕緣開關裝置中 ，其特徵爲， 將實施上述連接於上述第1，第2母線之斷路器之開 關操作之第1，第2操作器分別設於上述第1，第2主母 線組間，且將該第1，第2之操作器由中心線使之偏心並 置於點對稱之位置者。 又，使收容一方之主母線組及連接於該主母線組之操 作器之密閉容器旋轉1 8 0度，同時在於平行移動而重疊 之位置上，配置了該收容另一方之主母線組及連接於該主 母線組之操作器之密閉容器者。 經濟部中央標隼局貝工消费合作社印製 (請先閱讀背面冬注意$%寫本頁) 爲了達成上述目的，本發明之氣體絕緣開關裝置，主 要係，並置了，在容器內收容第1主母線導體及連接於該 第1主母線導體之第1母線側斷路器之第1主母線組，及 在容器內收容第2主母線導體及連接於該第2主母線導體 之第2母線側斷路器之第2主母線組，以及介著包含斷路 器等機器將複數之分岐回線組連接於該第1，第2主母線 組而成之雙重母線之氣體絕緣開關裝置中，其特徼爲： 將收容操作上述第1母線側斷路器及第2母線側斷路 器之開關之操作器之密閉容器鄰接於上述第1，第2主母 線組間之軸線方向地予以配置，同時，介著機械的連桿機 構將設於反分岐回路組側之操作器之操作軸，連接於上述 母線側斷路器者。 本紙張尺度通用中國國家標準（CNS ) Α4ί見格（210x297公釐） -6- 43713 6 經濟部中央標準局貝工消费合作社印製 五、發明説明θ ) 依上面所說明之本發明時，由於將實施上述連接於上 述第1，第2母線之斷路器之開關操作之第1，第2操作 器分別設於上述第1，第2主母線組間，且將該第1，第 2之操作器由中心線使之偏心並置於點對稱之位置，由而 可以使氣體絕緣開關小型化。 又，使一方之主母線線旋轉1 8 0度，平行移動即可 以用做另一方之主母線組，因此可以將主母線組共用化， 以資提供低成本，且緊湊小型化之氣體絕緣開關裝置。 (合宜之實施例之詳細說明） 下面依第1圖乃至第4圖詳細的說明本發明之一實施 例- 第1圖乃本發明之一實施例之氣體絕緣開關裝置之正 面圖。第2圖乃本實施例之氣體絕緣開關裝置之側面圖。 第3圖乃第2圖之由箭視Α_Α所視之正面圓。第4圖乃 表示本實施例之開關處之回路構成之單結線圖。 本實施例之氣體絕緣開關裝置乃如第4圖所示，第1 主母線2 1，第2主母線2 2乃分別介著絕緣間隔件5 4 連接第1主母線組11，第2主母線組12而構成。此氣 體絕緣開關裝置中，將斷路器6 1，線路側斷路器4 3， 避雷器81等之機器收容於塡充了氣體之容器內而成之分 岐回線組1 4，係隔著規定之間隔地並排地設置而成。這 些分岐回線組14上分別介著絕緣間隔件51，52連接 有構成第1主母線21之第1主母線組11，及構成第2 (請先閱谇背面之注意事項：本頁) -裝· 訂 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -7- M濟部中央橾準局貝Η消費合作社印製 4 3 7 13 6 五、發明説明（5 ) 主母線2 2之第2主母線組1 2。 在第1主母線組11及第2主母線組12中，分別收 容有連接於第1主母線2 1及第2主母線2 2之分岐回線 之母線側斷路器4 1，42 »而各第1主母線組1 1被串 聯的連接構成第1主母線2 1，各第2主母線組1 2被串 聯的連接構成第2主母線2 2。 如第1圖乃至第3圖所示，第1主母線2 1係配置於 分岐回線組1 4之側面之上方，第2主母線2 2係配置於 第1主母線2 1之下方側。三相份之第1主母線2 1及第 2主母線2 2即對於塡充有氣體之第1主母線組1 1之容 器及第2主母線組1 2之各容器內，以鉛直方向一直線狀 地被配置總括地被收容於其中。主母線組11，12乃分 別在其主母線方向備有開口部，而與它直交之方向之一方 側設有開口部，在這些開口部上分別安裝有絕緣間隔件5 1，52，53，54。主母線組1 1，12之容器與分 岐回線組14之容器乃介著絕緣間隔件5 1，52而以保 持氣密狀的予以連接，第1主母線2 1及第2主母線2 2 乃分別介著母線側斷路器4 1，4 2而連接於貫穿絕緣間 隔件51，52內而設之導體部23。本例中，導體部2 3係如第3圖所示，以絕緣間隔件之中心爲軸而呈顯點對 稱地，於水平方向一直線狀地予以配置而成。設於，與導 體部2 3所連接之分岐回線組1 4內之第1主母線2 1側 之導體部及第2主母線2 2側之導體部乃介著設於縱方向 之導體2 4而連接於斷路器6 1。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公嫠）-8 - --.-------私衣------~ΐτ------0 (請先閲讀背面之注意事項.，¼寫本頁) Λ7 43 71 3 6 五、發明説明（6 ) 如第4圖所示，在斷路器6 1之兩側設置有接地開關 7 1，7 2，斷路器6 1乃介著線路側斷路器4 3連接於 (請先閲讀背命之注意事t%寫本頁) 電纜頭8 2再連接於分岐回線9 1，又在線路側斷路器 4 3與電纜頭8 2間分別連接有儀錶用變壓器8 3，避雷 器8 1。 另一方面第1主母線組1 1及第2主母線組1 2係分 別介著絕緣間隔件5 3，5 4而保持氣密地連接於鄰接回 線之第1主母線組11及第2主母線組12連接，在鄰接 回線組之第1主母線組1 1及第2主母線組1 2中，同樣 地各分岐回線地連接於第1主母線2 1及第2主母線2 2 之母線側斷路器4 1，42即分別收容有三相份。 母線側斷路器4 1，4 2係由操作軸3 3所總括地被 操作’操作連接於第1主母線2 1之母線側斷路器4 1之 操作軸3 3乃介著設於第1主母線組1 1之下方之滑動氣 密部而連結於設置於外部之連結器，又操作連接於第2主 母線2 2之母線側斷路器4 2之母線側斷路器4 2之操作 經濟部中央標準局員工消費合作社印装 軸3 3即介著設於第2主母線組1 2之上方之滑動氣密部 而連結於設置於外部之操作器3 2。 操作器3 1及3 2乃收容於密閉容器，在第1主母線 組1 1及第2主母線組1 2之間，以一直線狀之導體部 23爲中心軸100，而對於中心軸100使之偏心，且 對於點101而以點對稱之位置地鄰接地予以配置。 操作軸3 3乃如圖2所示，設於較第1主母線組1 1 及第2主母線組12內之第1主母線21及第2主母線 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐）_ Q - 經濟部中央樣準局員工消费合作社印製 4371 36 五、發明説明（7 ) 2 2而靠於反分岐回線組1 4側，介著機械的連桿機構而 連接於三相之母線側斷路器4 1，4 2。藉由操作軸3 3 之例如旋轉運動而介著連桿機構實施母線側斷路器41· 42之開關操作也。 依本實施例時，得將第1主母線組及第2主母線組形 成爲同一形狀，由而可以共用第1主母線組及第2主母線 組。 又由於如上述地可以緊湊地予以配置，因此對於氣體 絕緣開關裝置之製成成本之減低或縮小化有利》又將一方 之主母線組旋轉1 8 0度予以平行移動，就可用做另一方 之主母線組，因此可以做主母線組之共用化。 再者，本發明中，第1主母線組及第2主母線組內之 第1主母線2 1及第2主母線2 2之配置乃不限定於上述 實施例所示之一直線配置，適宜地可能選擇如第5圖所示 之二等邊三角形配置，或第6圖所示之正三角形配置，此 時之操作器3 1，32亦與第1圖乃至第4圖所示之實施 例同樣，操作器3 1及3 2乃在第1主母線組1 1及第2 主母線組1 2之間，以一直線狀之#體部2 3爲中心軸 1 0 0，而對於此中心軸1 0 0而使之偏心，且對於點 1 0 1而以點對稱之位置地鄰接地予以配置也。 圖式之簡單說明 第1圖乃本發明之一實施例之氣體絕緣開關裝置之正 面圖。 —·-------抑衣— (请先閲讀背面之注意事^-..,¥寫本！) 訂 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐> -10- 4371 36 Λ7 Β7 五、發明説明备) 第2圖乃本實施例之氣體絕緣開關裝置之側面圖。 第3圖乃第2圖之由箭視A — A所視之正面圖。 第4圖乃表示本實施例之開關處之回路構成之單結線 圖。 第5圖乃本發明之其他實施例，將主母線導體使之爲 二等邊三角形配置之氣體絕緣開關裝置之側面圖。 第6圖乃本發明之其他實施例，將主母線導體使之爲 正三角形配置之氣體絕緣開關裝置之側面圖》 主要元件對照 (請先閱讀背面之注意事項 f寫本頁 -裝- 經濟部中央樣準局貝工消费合作社印裝 11 第1主母線組 12 第2主母線組 14 分岐回線組 21 第1主母線 22 第2主母線 23 導體部 23,24 導體 31 操作器 32 操作器 33 操作軸 41 母線側斷路器 42 母線側斷路器 43 線路側斷路器 51 絕緣間隔件 *1Τ 線Printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs, ⑽36-V. Description of the Invention (1) (Background of the Invention) The present invention relates to a gas-insulated switchgear, and in particular to a gas-insulated switchgear equipped with a double bus conductor. . A gas-insulated switchgear is a device that contains a switch unit and a conducting conductor in a sealed container and is filled with an insulating gas. Since it is excellent in miniaturized insulation performance and safety, it is widely used in electrical places such as substations. This type of gas-insulated switchgear includes a double main bus structure in which a plurality of branch circuits are connected to a first main bus and a second main bus through a device such as a circuit breaker. The ^ L main bus group and the second main bus group of the conventional gas-insulated switchgear have, for example, Japanese Patent Publications Nos. Hei 1-89 9 0 and 6- 2 7 2-8 0 9 Revealed structure = For the main bus group, a closed container for accommodating the bus-side circuit breaker is connected, and the operator for switching the bus-side circuit breaker is provided outside the horizontal direction of the main bus group. Under this configuration, the bus-side circuit breaker and the operator are interposed, and the first operation shaft for operating the bus-side circuit breaker | the second operation shaft operated by the operator is connected to the connection between the first operation shaft and the second operation shaft The connecting rods are connected and supported by a stand supported by the closed container. A diverging circuit set for accommodating a circuit breaker or the like is provided in a direction opposite to the manipulator. In the above-mentioned prior art, the operator that operates the switch of the bus-side circuit breaker is provided outside the main bus group | The connection is used for the deviation caused by the production tolerance and assembly tolerance between the sealed container and the operator Rod, or the use of the main bus voltage from the comparison of low-voltage to high-voltage general-purpose available manipulators, etc., the manipulators are generally large and heavy --------- seed coat ---- -= t ---------- ^ (Please read the note on the back m * write this page first) This paper size applies to Chinese national standards (CNS > A4 specifications (2 丨 0X297 mm >) · 4_ Λ7 43 713 6 V. Description of the invention ¢ 2) (#Read the% vi on the back to fill in this page) Heavy weight • So you need to set up a stand for supporting the manipulator. The setting position of the manipulator is configured It is located at the center position of the long axis direction of the main bus bar group, and is arranged in the opposite direction of the branch line group with the bus bar as the axis. As described above, in the conventional gas-insulated switchgear, since the operator is provided protruding outside, Therefore, it is an obstacle to the miniaturization of gas-insulated switchgear. In order to reduce the size of the gas-insulated switchgear, the space between the first main bus group and the second main bus group is maintained. Therefore, the positions of the first main bus group and the second main bus group are not changed, but can be considered. Operators that operate the bus-side circuit breakers housed in the main busbar group | Arranged between the above main busbar groups, but under the conventional structure, if you want to arrange the operators between the first main busbar group and the second main busbar In the case of groups, there is a problem that it is necessary to increase the interval between the main bus groups. (The invention is said) The first object of the present invention is to provide a gas for disposing the operator between the first and second main bus groups. Insulated switchgear may be miniaturized gas-insulated switchgear. Employees' cooperatives of the Central Procurement Bureau of the Ministry of Economic Affairs of the People's Republic of China The second object of the present invention is to provide a first main bus group and a second main bus group with the same shape. The gas-insulated switchgear can be reduced in cost by sharing. In order to achieve the above-mentioned object, the gas-insulated switchgear of the present invention is mainly composed of a first main bus conductor housed in a container and connected to the first main bus. The first main bus group of the circuit breaker on the first bus side of the body, and is installed with the first main bus group, and accommodates the second main bus conductor in the container and is connected to the paper. The Chinese national standard (CNS >); A4 grid (ZIOXW ·? Mm) -5-V. Description of the Invention 0) The second main bus group of the second main bus conductor, the second bus-side circuit breaker, and the second main bus group through the circuit breaker and other equipment. 1. In a gas insulated switchgear with a double busbar formed by connecting a plurality of branch and return lines to each of the second main line groups, it is characterized in that the first operation of the above-mentioned switch operation of the circuit breaker connected to the first and second busbars is performed. 1. The second manipulator is located between the first and second main bus groups, and the first and second manipulators are eccentric from the center line and placed in a point symmetrical position. In addition, the main bus group of the receiving party and the closed container of the operator connected to the main bus group were rotated 180 degrees, and at the same time, the main bus group and the connection of the receiving party were arranged in parallel and overlapping positions. Closed container of the operator of the main bus group. Printed by the Central Bureau of Standards, Ministry of Economic Affairs, Shellfish Consumer Cooperatives (please read the note on the back of this page and write this page) In order to achieve the above purpose, the gas-insulated switchgear of the present invention is mainly juxtaposed and accommodates the first in a container. A main bus conductor and a first main bus group of a first bus-side circuit breaker connected to the first main bus conductor, and a second main bus conductor accommodated in the container and a second bus side connected to the second main bus conductor The second main bus group of the circuit breaker and the gas-insulated switchgear of the double bus formed by connecting a plurality of branched return line groups to the first and second main bus groups through a device including a circuit breaker, etc. ： Place the hermetically sealed container that houses the operator of the switch of the first bus-side circuit breaker and the switch of the second bus-side circuit breaker adjacent to the axis direction between the above-mentioned first and second main bus groups, and interpose the machinery The connecting rod mechanism will connect the operating shaft of the operator on the side of the anti-divergence circuit group to the above-mentioned bus-side circuit breaker. The dimensions of this paper are in accordance with the Chinese National Standard (CNS) Α4ί (210x297 mm)-6-43713 6 Printed by the Shellfish Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 5. Description of the invention θ) According to the invention described above, because The first and second operators that perform the switching operations of the circuit breakers connected to the first and second buses described above are respectively disposed between the first and second main bus groups, and the first and second operations are performed. The device is eccentric by the center line and placed in a point-symmetrical position, so that the gas-insulated switch can be miniaturized. In addition, by rotating the main bus bar of one side by 180 degrees, the parallel movement can be used as the other main bus bar group. Therefore, the main bus bar group can be shared to provide a low-cost and compact gas-insulated switch. Device. (Detailed description of a suitable embodiment) Next, an embodiment of the present invention will be described in detail with reference to Figs. 1 to 4-Fig. 1 is a front view of a gas-insulated switchgear according to an embodiment of the present invention. Fig. 2 is a side view of the gas-insulated switchgear of this embodiment. Figure 3 is the frontal circle viewed by Arrow View Α_Α in Figure 2. Fig. 4 is a single-knot diagram showing the circuit configuration of the switch at this embodiment. The gas-insulated switchgear of this embodiment is as shown in FIG. 4. The first main bus 2 1 and the second main bus 2 2 are connected to the first main bus group 11 and the second main bus respectively through an insulating spacer 5 4. Group 12. In this gas-insulated switchgear, a branch circuit group 1 4 formed by accommodating a circuit breaker 61, a line-side circuit breaker 4 3, and a lightning arrester 81 in a gas-filled container is arranged at predetermined intervals. Set up side by side. These branch circuit groups 14 are respectively connected to the first main bus group 11 constituting the first main bus 21 and the second constitution via insulation spacers 51 and 52 (please read the precautions on the back of this page: this page)- · The paper size of the edition applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) -7- M Printed by the Central Economic and Technical Bureau of the Ministry of Economic Affairs of Bejing Consumer Cooperatives 4 3 7 13 6 V. Description of the invention (5) Main bus 2 2 of the 2nd main bus group 1 2. The first main bus group 11 and the second main bus group 12 respectively contain a bus-side circuit breaker 4 1, 42 connected to a branch circuit of the first main bus 21 and the second main bus 22 2. The 1 main bus group 11 is connected in series to form a first main bus 21, and each second main bus group 12 is connected in series to form a second main bus 22. As shown in Figs. 1 to 3, the first main bus 21 is arranged above the side of the branch circuit group 14 and the second main bus 22 is arranged below the first main bus 21. The three main parts of the first main bus bar 2 1 and the second main bus bar 2 2 are the containers of the first main bus group 11 and the second main bus group 12 which are filled with gas, and are straight in the vertical direction. Arranged in such a manner as to be contained therein. The main busbar groups 11 and 12 are respectively provided with openings in the direction of the main busbar, and an opening is provided on one side of a direction orthogonal to the main busbars. Insulation spacers 5 1, 52, 53 are respectively installed on these openings. 54. The containers of the main bus group 1 1 and 12 and the containers of the branch and return line group 14 are connected to each other via insulating spacers 5 1 and 52 to maintain airtightness. The first main bus 2 1 and the second main bus 2 2 are respectively A conductor portion 23 provided through the insulation spacers 51 and 52 is connected through the bus-side circuit breakers 4 and 4 2. In this example, as shown in FIG. 3, the conductor portions 23 are symmetrically arranged at a significant point with the center of the insulating spacer as an axis, and are arranged linearly in a horizontal direction. The conductor part on the 1st side of the first main bus bar 2 and the conductor part on the 2nd side of the second main bus bar 2 in the branch and return line group 1 4 connected to the conductor part 23 are provided through the conductor 2 4 provided in the longitudinal direction. Connected to circuit breaker 6 1. This paper size is applicable to China National Standard (CNS) A4 specification (210X297 male) -8---.------- Private clothing ------ ~ ΐτ ------ 0 (please first (Read the notes on the back., Write this page) Λ7 43 71 3 6 V. Description of the invention (6) As shown in Figure 4, ground switches 7 1, 7 2 are installed on both sides of the circuit breaker 6 1 to open the circuit. The device 6 1 is connected to the line-side circuit breaker 4 3 (please read the precautionary note t% to write this page). The cable head 8 2 is then connected to the branch circuit 9 1 and the line-side circuit breaker 4 3 is connected to the cable. Instrument transformers 8 3 and lightning arresters 81 are connected to the first 8 2 rooms. On the other hand, the first main bus group 11 and the second main bus group 1 2 are respectively connected to the first main bus group 11 and the second main bus which are hermetically connected to the adjacent return line through insulating spacers 5 3 and 5 4 respectively. The bus group 12 is connected, and in the first main bus group 11 and the second main bus group 12 adjacent to the loop group, the buses of the first main bus 2 1 and the second main bus 2 2 are connected to each other in the same manner. The side circuit breakers 41, 42 respectively contain three phases. The bus-side circuit breakers 4 1, 4 2 are operated collectively by the operating shaft 33. The operating shaft 3 3 of the bus-side circuit breaker 41 connected to the first main bus 21 is interposed on the first main bus. The sliding airtight part below the group 1 1 is connected to the connector provided outside, and the bus-side circuit breaker 4 2 connected to the second main bus 2 2 is operated. The central standard of the Ministry of Economic Affairs The printed shaft 33 of the consumer cooperative of the bureau is connected to the external operation device 3 2 through a sliding air-tight portion provided above the second main bus group 12. The manipulators 3 1 and 3 2 are housed in a hermetic container. Between the first main bus group 11 and the second main bus group 12, a linear conductor portion 23 is used as the central axis 100. It is eccentric and is arranged adjacent to the point 101 in a point-symmetrical position. The operating shaft 3 3 is shown in FIG. 2, and the first main bus bar 21 and the second main bus bar provided in the first main bus group 1 1 and the second main bus group 12 are provided in accordance with Chinese National Standards (CNS). A4 specifications (210X297 mm) _ Q-Printed by the Consumer Cooperatives of the Central Bureau of Standards, Ministry of Economic Affairs, printed 4371 36 V. Description of the invention (7) 2 2 Relying on the anti-divergence circuit group 1 4 side, the mechanical link mechanism is interposed And connected to the three-phase bus-side circuit breakers 4 1, 4 2. The switching operation of the bus-side circuit breakers 41 and 42 is also performed by, for example, a rotational movement of the operation shaft 3 3 via a link mechanism. According to this embodiment, the first main bus group and the second main bus group may be formed into the same shape, so that the first main bus group and the second main bus group can be shared. And because it can be compactly configured as described above, it is beneficial to reduce or reduce the manufacturing cost of gas-insulated switchgear. "One main bus group is rotated 180 degrees to move in parallel, which can be used as the other The main bus group can therefore be shared. Furthermore, in the present invention, the arrangement of the first main bus 21 and the second main bus 22 in the first main bus group and the second main bus group is not limited to a straight line configuration shown in the above embodiment, and is suitably May choose the equilateral triangle configuration shown in Figure 5 or the regular triangle configuration shown in Figure 6, and the manipulators 3, 32 at this time are also the same as the embodiments shown in Figures 1 to 4 The operators 3 1 and 3 2 are between the first main bus group 1 1 and the second main bus group 12, and a straight #body part 2 3 is used as the central axis 1 0 0, and for this central axis 1 0 0 is eccentric, and points 1 101 are arranged adjacent to each other at a point-symmetrical position. Brief Description of the Drawings Fig. 1 is a front view of a gas insulated switchgear according to an embodiment of the present invention. — · ------- yiyi— (Please read the notes on the back ^-.., ¥ script!) The size of the paper is applicable to the Chinese National Standard (CNS) A4 (210X297 mm > -10) -4371 36 Λ7 Β7 V. Description of the invention Figure 2 is a side view of the gas insulated switchgear of this embodiment. Figure 3 is the front view seen from arrow A-A of Figure 2. Fig. 4 is a single-knot diagram showing the circuit configuration at the switch of this embodiment. Fig. 5 is a side view of a gas-insulated switchgear in which the main bus conductors are arranged in an equilateral triangle in another embodiment of the present invention. Figure 6 is a side view of a gas-insulated switchgear with a main bus conductor in an equilateral triangle configuration according to other embodiments of the present invention. "Comparison of main components Printed by the Central Bureau of Specimen Shellfish Consumer Cooperatives 11 First Main Bus Group 12 Second Main Bus Group 14 Divided Loop Group 21 First Main Bus 22 Second Main Bus 23 Conductor 23, 24 Conductor 31 Operator 32 Operator 33 Operating shaft 41 Bus-side circuit breaker 42 Bus-side circuit breaker 43 Line-side circuit breaker 51 Insulation spacer * 1T line
• ί H 本紙張尺度適用中國國家標準（CNS ) A4规格（210X297公釐）-11 - 43 71 3 6 經濟部t央樣準局負工消费合作社印製 五、發明説明（9 ) 52 絕緣間隔件 53 絕緣間隔件 54 絕緣間隔件 61 斷路器 71 接地開關 72 接地開關 73 接地開關 81 •避雷器 82 電纜頭 83 儀錶用變壓器 91 分岐回線 100 中心軸 101 點 . 批衣 訂 ^ 線 (請先閱讀背面之注意事is·也窍本頁) 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -12 -• ί H This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -11-43 71 3 6 Printed by the Ministry of Economic Affairs and the Central Bureau of Prototype and Consumer Cooperatives. V. Description of the invention (9) 52 Insulation interval Item 53 Insulation spacer 54 Insulation spacer 61 Circuit breaker 71 Grounding switch 72 Grounding switch 73 Grounding switch 81 • Lightning arrester 82 Cable head 83 Instrument transformer 91 Divided return line 100 Center axis 101 points. Ordering of clothes ^ (Please read the back first Note (also know this page) This paper size is applicable to China National Standard (CNS) A4 (210X297 mm) -12-