TW492029B - Vacuum insulated switching device - Google Patents

Vacuum insulated switching device Download PDF

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Publication number
TW492029B
TW492029B TW088107571A TW88107571A TW492029B TW 492029 B TW492029 B TW 492029B TW 088107571 A TW088107571 A TW 088107571A TW 88107571 A TW88107571 A TW 88107571A TW 492029 B TW492029 B TW 492029B
Authority
TW
Taiwan
Prior art keywords
vacuum
conductor
container
circuit breaker
bus
Prior art date
Application number
TW088107571A
Other languages
Chinese (zh)
Inventor
Minoru Kobayashi
Toshimasa Maruyama
Seiichi Miyamoto
Takaoki Itotani
Tomotaka Yano
Original Assignee
Mitsubishi Electric Corp
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
Priority to PCT/JP1999/002380 priority Critical patent/WO2000069041A1/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of TW492029B publication Critical patent/TW492029B/en

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H33/143Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • H01H33/6661Combination with other type of switch, e.g. for load break switches
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0352Gas-insulated switchgear for three phase switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0354Gas-insulated switchgear comprising a vacuum switch
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H2009/0292Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • H01H2033/6668Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003Earthing switches
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/022Details particular to three-phase circuit breakers

Abstract

The present invention provides a kind of vacuum insulated switching apparatus, in which the vacuum container accommodates a master circuit switch and a grounding switch. A breaker, which electrically connects/breaks the master circuit switch with the arbitrary one of the mother line conductor and the load side conductor, is accommodated inside the other insulation medium container, which is separated from the vacuum container. The insulation medium container contains liquid or gas for insulation. In addition, a window capable of affirming contact action of the breaker by naked eyes from outside is installed at the insulation medium container.

Description

492029 五、發明說明α) 【技術領域】 本發明係有關一種用以接收分配電力之真空絕緣開關 裝置。 【背景技術】 第9圖為顯示特公平7 — 2 8 4 8 8號公報所示之以 往空氣絕緣開關裝置之構成圖。第1 0圖為顯示第9圖中 空氣絕緣開關裝置之電路圖。圖中,容器1之壁部,分別 貫通有母線侧絕緣套2 a及輸電纜線侧絕緣套2 b、2 c。 其中輸電纜線側絕緣套2 b、2 c各自支持著負載侧導體 2 。容器1内則封入有絕緣氣體,且收容有第1至第3開 閉器3 、4、5及真空消弧室9 。 如第9圖所示,3相之母線側分歧導體6各自藉由絕 緣支持碍子1 1支持並配置於容器1内。而且如第1 0圖 所示,3相之母線側分歧導體6經由母線侧絕緣套2 a, 分別與外部3相之母線〈未圖示〉相互連接。 母線側分歧導體6係經由真空消弧室9内之開閉裝置 及第1開閉器3而連接於中間導體6 0 ,且藉由該中間導 體6 0朝兩個方向分歧。中間導體6 0固定支持於絕緣支 持碍子6 0 a上,且經由第2及第3開閉器4、5分別與 輸電纜線侧絕緣套2 b、2 c之負載侧導體2連接。負載侧 導體2則與外部之輸電纜線相互連接〈未圖示〉。 第1至第3開閉器3 、4、5各自具有金屬連桿8、 絕緣連桿7以及搖動電極。其中的搖動電極,其驅動源 〈未圖示〉之驅動力係經由金屬連桿8及絕緣連桿7傳492029 V. Description of the invention α) [Technical Field] The present invention relates to a vacuum insulated switchgear for receiving and distributing power. [Background Art] Fig. 9 is a block diagram showing a conventional air-insulated switchgear shown in Japanese Patent Publication No. 7-2 8 4 8 8. Fig. 10 is a circuit diagram showing the air-insulated switchgear of Fig. 9. In the figure, the wall portion of the container 1 penetrates through the busbar-side insulation sleeve 2a and the transmission cable line-side insulation sleeves 2b and 2c, respectively. The transmission cable line side insulation sleeves 2 b and 2 c each support the load side conductor 2. The container 1 is sealed with an insulating gas, and the first to third switches 3, 4, 5 and the vacuum arc extinguishing chamber 9 are housed. As shown in Fig. 9, each of the three-phase busbar-side branched conductors 6 is supported and arranged in the container 1 by the insulating support obstacles 1 1. Further, as shown in FIG. 10, the three-phase bus-side branched conductors 6 are respectively connected to the external three-phase bus (not shown) via the bus-side insulating sleeve 2a. The busbar-side branched conductor 6 is connected to the intermediate conductor 60 through an opening and closing device in the vacuum arc extinguishing chamber 9 and the first shutter 3, and branches in two directions through the intermediate conductor 60. The intermediate conductor 60 is fixedly supported on the insulation support obstacle 60a, and is connected to the load-side conductor 2 of the transmission cable side insulation sleeves 2b and 2c via the second and third switches 4, 5 respectively. The load-side conductor 2 is connected to an external transmission cable (not shown). The first to third shutters 3, 4, and 5 each have a metal link 8, an insulating link 7, and a swing electrode. The driving force of the driving source (not shown) of the shaking electrode is transmitted through the metal link 8 and the insulated link 7

C:\Program Files\Patent\310607.ptd 第 5 頁 492029 五、發明說明(2) 達,使之繞著樞軸搖動。 第1開閉器3因應其搖動電極之搖動位置,,、 構造,該構造具有·使真空消弧室9内開閉裝置^種 極及突設於尹間導體6 0對應位置之固定雷技士 =爾出電 心电独相連接之蘭 路位置,·連接搖動電極及接地用導體1 之連接位置,· 及,於此兩位置中間’與固定電極及接地用導體i 〇 a分 離之斷路位置。 另外’第2及第3開閉器4、5藉著各自搖動電極之 搖動,在負载側導體2與分別突設於中間導體6 〇對應位 置之固定電極及接地用導體1 〇b、1 〇c之間,形成一種 與第1開閉器3具有相同3個位置之構成。 如上述之以往空氣絕緣開關裝置中,用以連接/斷開 母線侧分歧導體6及負載侧導體2之主電路開閉器及可使 負載側導體2接地之接地開閉器係與接地用導體一起配置 於容器1内,其中母線侧分歧導體6經由母線侧絕緣套2 a而與容器1外之母線連接;負載側導體2則經由輸電纜 線侧絕緣套2 b、2 c而與容器1外之輸電纜線連接,由此 便可提供一種小型化之空氣絕緣開關裝置。 但是’如上述以往之空氣絕緣開關裝置中,由於第1 至第3開閉器3、4、5的各個3相之相間、接地間及斷 路位置中,各極間,必須配合封入在容器i内絕緣氣體 〈在此為氟化硫氣體〉而確保其絕緣距離,因此第1至第 3開閉器3、4、5會變得大型化。而且,各開閉器3、 4、5間亦必須保持足夠的距離,所以容器丄内空間之利 I麵 C:\Program Files\Patent\3106〇7md^—j ‘Vi 之 y 五、發明說明(3) 用致率隨之降 另外,雖 容器内,只是 係於機器放: 用可耐此時熱 建到零件的簡 再者,真 路中之各個單 容器1之小型 另外,由 外部無法看見 接掌握住其接 【發明之開示 本發明係 種使斷路器分 以提高其安全 有關本發 之母線侧導體 持真空之真空 與負載侧導體 置於真空容器 連接/斷開之 絕緣媒體之絕 内,使母線侧 低,容 亦可將 在這種 容器内 應力〈 化及小 空消弧 相,因 化受到 於斷路 ,所以 點位置 ] 為解決 離於真 性及可 明之真 :連接 容器; 之間以 内,使 接地開 緣媒體 導體及 蒸、1之 Μ閉器 情况下 的狀態 8 0 0 型化。 t 9係 此為了 限制以 器'之接 利用經 小型化也會受到限制。 3、4、5專機器收容在真空 ’將真空容器内抽成真空時, 下加熱真空谷器’所以必須使 C以上〉之零件,也因此無法 設置於第10圖所示之3相電 確保這些配設位置,又產生了 及產品製造成本提高的問題。 點位置位在容器1内,因此從 由連桿之開閉顯示器等,以間 i述問題而 空容器外部 靠性之真空 空絕緣開關 於負載侧機 設置於此真 電性連接/ 負載侧導體 閉器;設置 容器;以及 負載侧導體 創新者 ,並利 絕緣開 裝置具 器之負 空容器 斷開之 與接地 於真空 設置於 之任一 ’其目的在 用其他絕緣 關裝置。 備有:連接 載侧導體; 内’使母線 主電路開閉 用導體之間 容器外部, &絕緣媒體 個與主電路 提供一 媒體, 於母線 内部保 側導體 器;設 以電性 且裝有 容器 開閉器C: \ Program Files \ Patent \ 310607.ptd Page 5 492029 V. Description of the invention (2), make it swing around the pivot. The first shutter 3 is structured according to the rocking position of the rocking electrode, and the structure has the opening and closing device for making the vacuum arc extinguishing chamber 9 a kind of pole and a fixed lightning technician protruding at the corresponding position of the Yin conductor 60. The position of the blue road for the single-phase connection of the output ECG, the connection position of the shaking electrode and the grounding conductor 1, and the position of the circuit breaker that is separated from the fixed electrode and the grounding conductor i 0a in the middle of these two positions. In addition, the second and third shutters 4, 5 are shaken by the respective swinging electrodes, and the fixed-side electrodes and grounding conductors 1 0b and 1 0c are provided on the load-side conductor 2 and projected from the intermediate conductor 6 0 respectively. Between them, a structure having the same three positions as the first shutter 3 is formed. As described above, in the conventional air-insulated switchgear, the main circuit switch for connecting / disconnecting the bus-side branched conductor 6 and the load-side conductor 2 and the ground switch for grounding the load-side conductor 2 are arranged together with the grounding conductor. Inside the container 1, the bus-side branched conductor 6 is connected to the bus outside the container 1 through the bus-side insulating sleeve 2a; the load-side conductor 2 is connected to the outside of the container 1 via the transmission cable-side insulation sleeves 2b, 2c. Transmission cable connection, which can provide a miniaturized air-insulated switchgear. However, as in the above-mentioned conventional air-insulated switchgear, since each of the three phases of the first to third switches 3, 4, and 5, the grounding interval, and the open position, the poles must be enclosed and sealed in the container i. The insulating gas (here, sulfur fluoride gas) ensures the insulation distance, and therefore the first to third switches 3, 4, and 5 become larger. In addition, each of the shutters 3, 4, and 5 must also maintain a sufficient distance, so the benefits of the space inside the container 面 I: C: \ Program Files \ Patent \ 3106〇7md ^ —j'Vi y 5. Description of the invention ( 3) The utilization rate will decrease. In addition, although the inside of the container is only tied to the machine: Use a simple one that can withstand heat build-up to parts at this time. Each single container 1 in the real road is small and cannot be seen from the outside. The invention of the invention is to separate the circuit breaker to improve its safety. The bus-side conductor of the invention holds a vacuum and the load-side conductor is placed in the insulation medium of the vacuum container connected / disconnected. To make the side of the bus bar low, the capacity in this container can also be reduced, and the small arc-extinguishing phase is caused by the open circuit, so the location of the point] is to resolve the truth and clarification: connect the containers; between Within the ground, the state of the grounded open-media media conductor and the steamed, 1 M-closing case is 800-shaped. t 9 series In order to restrict the access of the device, the miniaturization will also be restricted. Special machines 3, 4, and 5 are housed in a vacuum 'When the vacuum container is evacuated, the vacuum valleyr is heated down', so the parts above C> must be used, so it cannot be installed in the three-phase electrical guarantee shown in Figure 10. These arrangement positions have also caused problems of increasing product manufacturing costs. The point position is located in the container 1. Therefore, from the opening and closing display of the connecting rod, etc., the vacuum air insulation switch of the empty container with external reliability due to the problems described above is installed on the load side machine. This is true electrical connection / the load side conductor is closed Device; set the container; and the innovator of the load-side conductor, and to facilitate the insulation of the open device, the negative empty container is disconnected and grounded to a vacuum set to any of its' the purpose is to use other insulation devices. Provided: connect the load-side conductor; internal 'make the bus main circuit opening and closing conductor outside the container, & insulation media and the main circuit to provide a medium, inside the bus to maintain the side conductor; set electrical and container Shutter

492029 五、發明說明(4) 之間以電性 【圖面之簡 第1圖 置内部構造 第2圖 第3圖 圖。 第4圖 置内部構造 第5圖 第6圖 圖。 第7圖 閉器之動作 第8圖 置内部構造 第9圖 第1 0 【本發明之 以下參 實施型態1 第1圖 置内部構造 置之侧視圖 連接/ 單說明 為可透 之正面 為第1 為第1 為可透 面 為第4 為第4 為第4 狀態變 為可透 之正面 為過去 圖為第 最佳實 照圖面 為可透 之正面 ,第3 斷開之斷路器。 視本發明實施型態 圖。 圖之真空絕緣開 圖之真空絕緣開 1之真空絕緣開關裝 關裝置之侧視圖。 關裝置其中一相之電路 視本發明實施型態 圖。 圖之真空絕緣開 圖之真空絕緣開 2之真空絕緣開關裝 關裝置之侧視圖。 關裝置其中一相之電路 圖之驅動機構、主電路開閉器及接地開 化之說明圖。 視本發明實施型態3之真空絕緣開關裝 圖。 一種空氣絕緣開關裝置之構成圖。 9圖之空氣絕緣開關裝置之電路圖。 施型態】 對本發明之最佳實施型態作詳細說明。 視本發明實施型 圖,第2圖為第 圖為第1圖之真 態1之真空絕緣開關裝 1圖之真空絕緣開關裝 空絕緣開關裝置其中一492029 V. Description of the invention (4) Electricity between the drawings [Simplified drawing Figure 1 Set the internal structure Figure 2 Figure 3 Figure. Figure 4 Internal structure Figure 5 Figure 6 Figure. Figure 7 Closure action Figure 8 shows the internal structure Figure 9 Figure 1 [The following reference embodiment 1 of the present invention 1 Figure 1 shows the side structure connection of the internal structure / Single description is transparent and the front is the first 1 is the first permeable surface, the fourth is the fourth, and the fourth is the fourth state. The front that becomes transparent is the best picture in the past. The surface is transparent, and the third is the open circuit breaker. View the embodiment of the present invention. The vacuum insulation switch of the figure is a side view of the vacuum insulation switch device of the vacuum insulation switch 1. The circuit of one phase of the device is shown in the embodiment of the present invention. The vacuum insulation switch of the figure is a side view of the vacuum insulation switch device of the vacuum insulation switch 2. An explanatory diagram of the drive mechanism, main circuit breaker and grounding circuit of one phase of the closing device. According to the drawing of the vacuum insulation switch of the third embodiment of the present invention. Structure diagram of an air-insulated switchgear. The circuit diagram of the air-insulated switchgear in Figure 9. Application Mode] The best implementation mode of the present invention will be described in detail. According to the embodiment of the present invention, the second diagram is the first diagram of the vacuum insulation switchgear of the 1st figure of the vacuum insulation switchgear of the 1st figure

C:\Program Files\Patent\310607.ptd 第 8 頁 492029 五、發明說明(5) 相之電路圖。 圖中,3相之真空容器2 0内部各自維持著高度真空 狀態。在這些真空容器2 0内之各相中,各自收容有3相 之主電路開閉器2 1 、3相之接地開閉器2 3、以及複數 之母線侧導體2 4。其中母線側導體2 4以電氣與母線 〈未圖不〉相互連接。 真空容器2 0外部配置有主電路開閉器2 1之驅動機 構2 2 ;及接地開閉器2 3之驅動機構2 5。裝有絕緣媒 體〈液體或氣體〉之絕緣媒體容器3 0内則收容有斷路器 3 1及負載侧導體3 7。而且,絕緣媒體容器3 0中還安 裝有可與作為負載侧機器之外部輸電纜線3 4連接之纜線 絕緣套3 8及纜線耐壓用端子3 3。 負載側導體3 7復於絕緣媒體容器3 0内部與纜線絕 緣套3 8連接。且經由斷路器3 1分歧成為與真空容器2 0内之主電路開閉器2 1連接之一側,及與真空容器2 0 内之接地開閉器2 3連接之另一側。 另外絕緣媒體容器3 0設置有可由外部以肉眼確認斷 路器3 1接觸動作之窗口 3 2。而且絕緣媒體容器3 0内 不僅配置有斷路器3 1 ,更配置有變流器3 5及變壓器3 6等感測器及纜線耐壓用端子3 3。其中纜線耐壓用端子 3 3係為檢查輸電纜線3 4時,用以施加電壓於輸電纜線 3 4之端子。 如上所述之真空絕緣開關裝置,由於各主電路開閉器 2 1之一對接點係藉著驅動機構2 2接觸/脫離,故母線C: \ Program Files \ Patent \ 310607.ptd Page 8 492029 V. Description of the invention (5) Phase circuit diagram. In the figure, each of the three-phase vacuum containers 20 is maintained at a high vacuum state. Each of the phases in these vacuum containers 20 contains a main circuit switch 2 1 of 3 phases, a ground switch 23 of 3 phases, and a plurality of bus-side conductors 24. The bus-side conductors 24 are electrically connected to the bus (not shown). The vacuum vessel 20 is externally provided with a drive mechanism 2 2 of the main circuit switch 21; and a drive mechanism 25 of the grounded switch 23. The insulating medium container 30 containing the insulating medium (liquid or gas) contains a circuit breaker 31 and a load-side conductor 37. In addition, the insulating medium container 30 is provided with a cable insulating sleeve 38 and a cable withstand voltage terminal 33, which can be connected to the external power transmission cable 34, which is a load-side device. The load-side conductor 37 is connected to the inside of the insulated medium container 30 and connected to the cable insulation sleeve 38. And through the circuit breaker 31, it is divided into one side connected to the main circuit switch 21 in the vacuum container 20, and the other side connected to the ground switch 23 in the vacuum container 20. In addition, the insulated media container 30 is provided with a window 32 for externally confirming the contact of the circuit breaker 31 with the naked eye. In addition, not only the circuit breaker 3 1, but also sensors such as a converter 35 and a transformer 36 and a cable withstand voltage terminal 33 are arranged in the insulated medium container 30. Among them, the cable withstand voltage terminal 3 3 is a terminal for applying a voltage to the power transmission cable 34 when inspecting the power transmission cable 34. The vacuum insulated switchgear as described above, since one of the contact points of each of the main circuit breakers 21 is contacted / disengaged by the driving mechanism 22, the bus bar

C:\ProgramFiles\Patent\310607.ptd 第 9 頁 492029 五、發明說明(6) 侧導體2 4及負載侧導體3 7之間的電流會因此導通或斷 開另外由於各接地開閉器2 3之一對接點係藉著驅動機 構2 5而接觸/脫離,負載侧導體3 7會因此接地或解除 接地。 ' 主電路開閉器2 1及接地開閉器2 3分別藉著驅動機 構2 2及驅動機構2 5,並以第2圖中之A相、b相、c相 為一單位朝上下方向開閉。由此,各相間電弧之影響會減 少’此外只要確保真空狀態所需之絕緣距離,即可提^配 置效率並達到容器及構造小型化之目的。 门_ 絕緣媒體容器3 〇内之斷路器3 1係在無負荷狀態時 之連接變更或電氣機器檢查時,用來使電氣機器與電ς切 離者。主電路開閉器2 1為開啟狀態時,斷路器3 i之接 觸係藉著未圖示之驅動機構動作。斷路器3 1更由於在 流通電中不會有開閉情形,因此只需使用耐高電壓^絕 ,,即可。所以藉由例如油、純水、絕緣凝膠狀液體、. 氮氣、乾燥空氣及這些絕緣混合氣體等之絕二 保足夠的絕緣距離。 干艰即可確 由此可知,絕緣媒體容器3 〇不會遭受製造直办 s;t=應力〈 8 0 0 tj&quot;上〉。而且使用氟化 抽成二π緣氣體作為絕緣媒體時,由於必須將容器内 :成2,因此必須使用可耐此時壓力之容器内 .,^ ^ ^ 了使用上迷純水或乾燥空氣,囡 此不一疋要使用具有強固剛性之 乳因 構造得以簡單化。 1軋體谷器,使容器 C:\ProgramFiles\Patent\310607.ptd 第 1〇 頁 492029C: \ ProgramFiles \ Patent \ 310607.ptd Page 9 492029 V. Description of the invention (6) The current between the side conductor 2 4 and the load side conductor 3 7 will therefore be turned on or off. The pair of contacts are contacted / disengaged by the drive mechanism 25, and the load-side conductor 37 is grounded or ungrounded accordingly. 'The main circuit breaker 21 and the grounding shutter 23 are opened and closed in the vertical direction by using the driving mechanism 2 2 and the driving mechanism 25 respectively in the units of phase A, phase b, and phase c in FIG. 2. Therefore, the influence of the arc between the phases will be reduced. In addition, as long as the insulation distance required for the vacuum state is ensured, the configuration efficiency can be improved, and the purpose of miniaturizing the container and structure can be achieved. Door_ Circuit breaker 3 1 in insulated media container 3 is used to disconnect electrical equipment from electrical appliances when the connection is changed or the electrical equipment is inspected when no load is present. When the main circuit breaker 21 is open, the contact of the circuit breaker 3 i is actuated by a driving mechanism (not shown). Since the circuit breaker 31 does not open or close during current energization, it only needs to use a high-voltage withstand voltage. Therefore, by using, for example, oil, pure water, insulating gel-like liquid, nitrogen, dry air, and these insulating mixed gases, a sufficient insulation distance is maintained. It can be confirmed through hard work that it can be known that the insulated media container 30 will not be subjected to direct manufacturing operations; t = stress <80 0 tj &quot; upper>. And when using fluorinated two-pi edge gas as the insulating medium, the container must be turned into two, so it must be used in a container that can withstand the pressure at this time. ^ ^ ^ Use of pure water or dry air, In this case, it is necessary to simplify the structure of milk due to the strong rigidity. 1 rolling mill trough, make container C: \ ProgramFiles \ Patent \ 310607.ptd page 10 492029

其主電 收納在 有優異 並防止 五、發明說明(7) 如上所述,實施型態1之真空絕緣開關裝置, 路開閉器2 1 、接地開閉器2 3與母線侧導體2 4 各相中形成一體之真空容器2 0内部,且配置於具 絕緣特性之真空中’因此可減少彼此的絕緣距離, 相間電弧之相互影響。 1外,藉由絕緣媒體容器3 〇可使構造簡單化, 斷路器3 1、變流器3 5及變壓器3 6等感測器及雙綠此 壓用端子3 3之設置便較為容易,而且亦可設置可用,耐 確認斷路器3 1接點動作之窗口3 2。因此可製造一=眼 全性及可靠性倶高之真空絕緣開關裝置。 棲安 實施型態2 接著’第4圖為可透視本發明實施塑態2之真空絶 開關裝置内部構造之正面圖,第5圖為第4圖之真空絶緣The main electric power is stored in each phase which has excellent and preventive effects. (7) As mentioned above, the vacuum insulated switchgear of the implementation mode 1, the circuit breaker 2 1, the grounding switch 2 3 and the bus-side conductor 2 4 each phase. The inside of the integrated vacuum container 20 is arranged in a vacuum with insulation characteristics, so the insulation distance between each other can be reduced, and the mutual influence of interphase arcs can be reduced. In addition, the structure can be simplified by the insulated media container 30. The circuit breaker 3 1, the converter 3 5 and the transformer 36, and other sensors and the double green terminals 33 can be easily installed, and It is also possible to set a window 3 2 that is available for confirming the contact action of the circuit breaker 31. Therefore, a vacuum insulated switchgear with high eye integrity and high reliability can be manufactured. Xi'an Implementation type 2 Next 'Figure 4 is a front view which can see through the internal structure of the vacuum insulation switchgear of embodiment 2 of the present invention, and Figure 5 is the vacuum insulation of Figure 4

開關裝置之側視圖,第6圖為第4圖之真空絕緣開關巢f 其中一相之電路圖。 、I 此實施例中,斷路器3 1並非配置於負載侧導體3 與主電路開閉器2 1之間,而是配置於主電路開閉器2 與母線侧導體2 4之間。而且斷路器31及母線倒導體$ 4 一起收納在裝有絕緣媒體〈液體或氣體〉之絕緣媒體&amp; 器4 0内。其中絕緣媒體容器4 〇設置有窗口 3 2 。' 各 另外,真空容器2 〇外部配置有分3階段動作之驅動 機構2 6。其他構成則與實施型態1相同。 此種真空絕緣開關装置與實施型態1同樣地,於具有 優異絕緣特性之真空中收納有主電路開閉器2 1及接地開A side view of the switchgear, FIG. 6 is a circuit diagram of one phase of the vacuum insulated switch nest f of FIG. 4. In this embodiment, the circuit breaker 31 is not disposed between the load-side conductor 3 and the main circuit breaker 21, but is disposed between the main circuit breaker 2 and the bus-side conductor 24. Further, the circuit breaker 31 and the bus bar reverse conductor $ 4 are housed together in an insulating medium &amp; device 40 equipped with an insulating medium (liquid or gas). The insulated media container 40 is provided with a window 32. 'Each of the vacuum containers 20 is provided with a driving mechanism 26 which operates in three stages. The other structures are the same as those of the first embodiment. This vacuum-insulated switchgear contains the main circuit breaker 2 1 and the grounding switch in a vacuum having excellent insulation characteristics in the same manner as in the first embodiment.

C:\ProgramFiles\Patent\310607.ptd 第 11 頁 492°29 &gt;、發明說明(8) 閉器2 3 ,因此可減少彼此的絕緣距離’並防止相間電弧 之相互影響。而且,由於絕緣媒體容器4 0之構造簡化, 因此斷路器3 1可自由地配置,收納母線侧導體2 4之構 造也可相對地簡化。 而且,由於驅動機構2 6係分3階段動作,如第7圖 所示,主電路開閉器2 1及接地開閉器2 3會產生主電路 開閉器2 1之接點關閉之狀態、主電路開閉器2 1及接地 開閉器2 3之接點皆為開啟之狀態、或接地開閉器2 3之 接點為關閉之狀態等3種變化。C: \ ProgramFiles \ Patent \ 310607.ptd Page 11 492 ° 29 &gt; Description of the invention (8) The shutter 2 3 can reduce the insulation distance of each other ’and prevent the mutual influence of the interphase arc. In addition, since the structure of the insulating medium container 40 is simplified, the circuit breaker 31 can be freely arranged, and the structure of the bus-side conductor 24 can be relatively simplified. In addition, since the drive mechanism 26 is operated in three stages, as shown in FIG. 7, the main circuit switch 21 and the grounding switch 23 are in a state where the contacts of the main circuit switch 21 are closed, and the main circuit is opened and closed. The contacts of the switch 21 and the grounding switch 2 3 are all open, or the contact of the grounding switch 23 is closed.

所以,可利用一個驅動源進行主電路開閉器2 1接點 之接觸/分離動作及接地開閉器2 3接點之接觸/分離動 作。換句話說,由於絕緣媒體容器4 0可簡單地構成,於 是便可配合斷路器3 1之配置或導體之設置位置、或裝置 構成而設計其構造,自由度極高。 實施型態3 接著,第8圖為本發明實施型態3之真空絕緣開關裝 置之正面圖。本實施例中,於裝有絕緣媒體〈液體或氣 體〉之絕緣媒體容器5 0内收容有斷路器3 1。而且斷路 器3 1之接點可與其他接點同樣地藉由驅動機構5丄,上 下動作進行開閉。此時,母線侧導體5 2係於絕緣媒體容 器5 0内可挽曲地相互連接。其他構成則與實施型態2相 與其構Therefore, a single drive source can be used to perform the contact / separation operation of the main circuit breaker 21 contact and the grounded switch 23 contact / disconnection operation. In other words, since the insulating medium container 40 can be simply constructed, the structure can be designed in accordance with the configuration of the circuit breaker 31, the position of the conductor, or the device configuration, and the degree of freedom is extremely high. Embodiment 3 Next, FIG. 8 is a front view of the vacuum insulated switchgear of Embodiment 3 of the present invention. In this embodiment, a circuit breaker 31 is housed in an insulating medium container 50 which is provided with an insulating medium (liquid or gas). In addition, the contacts of the circuit breaker 31 can be opened and closed by the driving mechanism 5 丄 in the same manner as other contacts. At this time, the bus-side conductors 52 are connected to each other in the insulated medium container 50 in a meandering manner. The other configuration is the same as that of Implementation Mode 2.

492029 五、發明說明(9) 用及藉 由 裝 置 轴 方 向 統 一 而 於空間 或 機 構 裝 置 的 限 制 3 防止導 體 之 不 合 理 配 設 或 無 【元件 符 號 之 說 明 ] 1 容 器 2a 母 線 侧 絕 緣 套 3 第 1 開 閉 器 5 第 3 開 閉 器 7 絕 緣 連 桿 9 真 空 消 弧 室 20 真 空 容 器 22 主 電 路 開 閉 器 之 驅 動 機 2.3 接 地 開 閉 器 25 接 地 開 閉 器 之 驅 動 機 構 26 驅 動 機 構 31 斷 路 器 33 纜 線 耐 壓 用 端 子 35 變 流 器 37 負 載 侧 導 體 40 絕 緣 媒 體 容 器 51 驅 動 機 構 60 中 間 導 體 帶來裝置穩定性。而且,相對 機器配置非常地簡單,同時可 效連桿裝置之增加。 2 負載側導體 2b、2c 輸電纜線侧絕緣套 4 第2開閉器 6 母線侧分歧導體 8 金屬連桿 11 絕緣支持碍子 21 主電路開閉器 構 24 母線侧導體 30 絕緣媒體容器 32 窗口 34 輸電纜線 36 變壓器 38 纜線絕緣套 50 絕緣媒體容器 52 母線侧導體 60a絕緣支持碍子492029 V. Description of the invention (9) Limitations on the use of space or mechanism by unifying the axis direction of the device 3 Prevent the unreasonable arrangement of conductors or no [Explanation of component symbols] 1 Container 2a Bus-side insulation sleeve 3 Section 1 Switch 5 Third switch 7 Insulated connecting rod 9 Vacuum arc extinguishing chamber 20 Vacuum container 22 Drive for main circuit breaker 2.3 Grounded shutter 25 Drive mechanism for grounded shutter 26 Drive mechanism 31 Circuit breaker 33 Cable withstand voltage Terminal 35 Inverter 37 Load-side conductor 40 Insulating media container 51 Drive mechanism 60 Intermediate conductor brings device stability. Moreover, the relative machine configuration is very simple, and at the same time, the effective linkage device can be increased. 2 Load-side conductors 2b, 2c Transmission cable line insulation sleeves 4 Second switch 6 Bus-side branch conductors 8 Metal links 11 Insulation support barriers 21 Main circuit shutter mechanism 24 Bus-side conductors 30 Insulating media containers 32 Windows 34 Transmission cables Line 36 Transformer 38 Cable insulation sleeve 50 Insulated media container 52 Bus-side conductor 60a Insulation support

C:\ProgramFilesVPatent\310607.ptd 第 13 頁C: \ ProgramFilesVPatent \ 310607.ptd page 13

Claims (1)

492029 六、申請專利範圍 1 · 一種真空絕緣開關裝置,具備· 連接於母線之母線侧導體;· 連接於負載侧機器之負载側 内部保持真空之真空容J側導體; 設置於此真空容器内,;、 載侧導體之間以電性連接/斷=逑母線側導體與前述負 设置於前述真空容器内,=主電路開閉器; 用導體之間以電性連接/斷開之負載侧導體與接地 設置於前述真空容器外m’閉器; 媒體容器;以及 且裝有絕緣媒體之絕緣 置於此絕緣媒體容器内^^ 述負載侧導體之住一徊金‘^定月j述甘綠侧導體及則 遠接/ _ η 任個與刖述主電路開閉器之間以電性 連接/斷開之斷路器。 2· t:專利範圍第1項之真空絕緣開關裝置,其中,前 巧路開閉器及前述接地開閉器分別由3相構成,且 i 別收谷於前述各真空容器内,前述斷路器係由3 目成’且各相分別收容於各絕緣媒體容器内。 3·如申請專利範圍第i項之真空絕緣開關裝置,其中,前 述斷路器係配置於前述負載侧導體及前述主電路開閉器 之間’前述母線侧導體則收容於前述真空容哭内。 4·如申請專利範圍第i項之真空絕緣開關裝置了其中,前 路二係配置於前述主電路開閉器及前述母線侧導體 &gt;別這母線侧導體則收容於前述絕緣媒體容器内。 5·如申请專利範圍帛1項之真空絕緣開關裝置,其中,復 C:\Program Files\Patent\3l〇607.ptd 第 14 頁 492029 六、申請專利範圍 具備有分別收容於前述絕緣媒體容器内之變流蒸、變壓 器以及繞線耐壓用端子。 6.如申請專利範圍第1項之真空絕緣開關裝置,其中,前 述絕緣媒體容器内設置有可由外部以肉眼確認前述斷路 器之接點動作之窗口。492029 6. Scope of patent application1. A vacuum insulated switchgear, which has a bus-side conductor connected to the bus; a vacuum-capacity J-side conductor connected to the load side of the load-side machine to maintain a vacuum; installed in this vacuum container, ; 、 Electrical connection / disconnection between the load-side conductors = 逑 bus-side conductors and the aforementioned negative set in the aforementioned vacuum container, = main circuit breaker; load-side conductors with electrical connection / disconnection between the conductors and The ground is provided on the m 'shutter outside the vacuum container; the media container; and an insulation with an insulation medium is placed in the insulation medium container. Conductor and remote connection / _ η Any circuit breaker that is electrically connected / disconnected to the main circuit breaker described above. 2. t: The vacuum insulated switchgear of the first scope of the patent, in which the front circuit breaker and the grounding switch are composed of 3 phases, respectively, and i do not confine in the aforementioned vacuum containers, and the circuit breaker is composed of 3 meshes' and each phase is contained in each insulated media container. 3. The vacuum insulated switchgear according to item i of the application, wherein the circuit breaker is disposed between the load-side conductor and the main circuit breaker, and the bus-side conductor is housed in the vacuum chamber. 4. If the vacuum insulated switchgear of item i of the patent application is applied, the front-line second series is arranged in the main circuit breaker and the bus-side conductor &gt; the other bus-side conductor is housed in the insulated medium container. 5 · For the vacuum insulated switchgear of the scope of patent application No.1, among which: C: \ Program Files \ Patent \ 3101607.ptd Page 14 492029 VI. The scope of patent application is equipped with separate storage in the aforementioned insulated media container Terminals for converter steam, transformer and winding withstand voltage. 6. The vacuum insulated switchgear according to item 1 of the scope of the patent application, wherein the aforementioned insulated media container is provided with a window through which the contact action of the circuit breaker can be confirmed by the naked eye from the outside. C:\Program Files\Patent\310607.ptd 第 15 頁C: \ Program Files \ Patent \ 310607.ptd page 15
TW088107571A 1999-05-07 1999-05-11 Vacuum insulated switching device TW492029B (en)

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PCT/JP1999/002380 WO2000069041A1 (en) 1999-05-07 1999-05-07 Vacuum switch gear

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JP4423598B2 (en) 2004-08-17 2010-03-03 株式会社日立製作所 Single phase module of vacuum switchgear and vacuum switchgear
JP4162664B2 (en) * 2005-02-22 2008-10-08 株式会社日立製作所 Vacuum switchgear
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JP4512648B2 (en) * 2008-03-18 2010-07-28 株式会社日立製作所 Switchgear
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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