JP4562653B2 - Switchgear - Google Patents

Switchgear Download PDF

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JP4562653B2
JP4562653B2 JP2005377476A JP2005377476A JP4562653B2 JP 4562653 B2 JP4562653 B2 JP 4562653B2 JP 2005377476 A JP2005377476 A JP 2005377476A JP 2005377476 A JP2005377476 A JP 2005377476A JP 4562653 B2 JP4562653 B2 JP 4562653B2
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bushing
switchgear
connection
metal
power line
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JP2007181321A (en
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暁 吉田
正博 有岡
慎太郎 黒明
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

この発明は、電力の送配電および受電設備などに用いられるスイッチギヤの構造に関する。   The present invention relates to a structure of a switch gear used for power transmission / distribution and power receiving facilities.

従来技術では、スイッチギヤを構成するガス絶縁開閉装置本体を架空電力線に接続するため、ガス絶縁開閉装置本体が側方に突出しており、この突出部と架空電力線接続用ブッシングとが直線状の接続導体によって接続されている（例えば、特許文献１参照）。   In the prior art, in order to connect the gas insulated switchgear body constituting the switch gear to the overhead power line, the gas insulated switchgear body projects sideways, and this projecting part and the overhead power line connection bushing are connected in a straight line. They are connected by a conductor (see, for example, Patent Document 1).

特開２０００−２３２７０７号公報JP 2000-232707 A

従来のスイッチギヤは、下記の課題を有する。
１．主回路機器とブッシングとの接続において、ガス絶縁開閉装置本体が側方に突出しており、この突出部内に主回路とブッシングの接続用導体を用いなければならない、また、ブッシングは３路に分岐した複雑な形状である。
２．ブッシングと架空電力線接続用ブッシング間をほぼ直線的に接続しており、接続導体に合せて双方のブッシング位置の調整または、双方のブッシング間の寸法誤差が生じた場合にブッシングと接続導体の嵌合部または架空電力線接続用ブッシングと接続導体の嵌合部の何れか一方または両方において嵌合寸法の過不足が生じ、接続部の性能に影響を与えてしまう。 The conventional switchgear has the following problems.
1. In connection between the main circuit equipment and the bushing, the gas insulated switchgear main body protrudes to the side, and the main circuit and bushing connection conductors must be used in this protrusion, and the bushing branches into three paths. It is a complicated shape.
2. The bushing and the overhead power line connection bushing are connected almost linearly. When the position of both bushings is adjusted according to the connection conductor or when a dimensional error occurs between the bushings, the bushing and the connection conductor are fitted. One or both of the fitting portion of the connection portion or the overhead power line connection bushing and the fitting portion of the connection conductor cause an excess or deficiency of the fitting dimension, which affects the performance of the connection portion.

この発明は、スイッチギヤ本体内部における機器接続用ブッシングから内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシングから外部への接続において寸法誤差等による位置調整の要請にも円滑に対応できるスイッチギヤを得ようとするものである。   This invention simplifies the connection structure from the device connection bushing to the internal device elements inside the switchgear body, and smoothly responds to requests for position adjustment due to dimensional errors etc. in the connection from the device connection bushing to the outside It is intended to obtain a switch gear that can be used.

この発明に係るスイッチギヤでは、遮断機能を具備する遮断機器要素と断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを金属製密閉容器に収納したスイッチギヤ本体を備えたスイッチギヤにおいて、前記スイッチギヤ本体と間隔を置いて並んで設けられた支持台と、前記支持台の上部に垂直方向に延在して配設される架空電力線接続用ブッシングと、前記金属製密閉容器の側部に少なくとも一端を前記金属製密閉容器に挿入して設けられ前記遮断機器要素および開閉機器要素と接続された機器接続用ブッシングとを設け、前記機器接続用ブッシングの他端と前記架空電力線接続用ブッシングの下端とを湾曲部を有し可撓性を持つ接続導体を介して外部と接続するものである。 In the switchgear according to the present invention, in the switchgear provided with the switchgear body in which the breaking device element having a breaking function and the switching device element having at least one of the disconnecting function and the grounding function are housed in a metal hermetic container, a support base which is provided side by side at the switchgear body and spacing, and the overhead power line connection bushing which is arranged extending in the vertical direction on top of the support base, the sides of the metal sealed container at least one end provided with the blocking device element and the connected device connection bushing and the opening and closing device element is provided by inserting into the metal closed vessel, the other end of the device connection bushing overhead power line connecting bushings Is connected to the outside via a flexible connecting conductor having a curved portion .

この発明に係るスイッチギヤでは、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシングから内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシングから架空電力線接続用ブッシングを介して行われる外部への接続において寸法誤差等による位置調整の要請にも円滑に対応できるガス絶縁スイッチギヤを得ることができる。 In the switchgear according to the present invention, the connection structure from the device connection bushing to the internal device element inside the gas-insulated switchgear main body can be simplified, and the device connection bushing to the outside performed via the overhead power line connection bushing . In this connection, it is possible to obtain a gas insulated switchgear that can smoothly cope with a request for position adjustment due to a dimensional error or the like.

実施の形態１．
この発明による実施の形態１を図１から図３までについて説明する。図１は実施の形態１におけるガス絶縁スイッチギヤの構成を示す側面図である。図２は実施の形態１におけるガス絶縁スイッチギヤの構成を示す端面図である。図３は実施の形態１における機器接続用ブッシングの詳細構成を示す拡大側面図である。 Embodiment 1 FIG.
A first embodiment of the present invention will be described with reference to FIGS. 1 is a side view showing a configuration of a gas-insulated switchgear according to Embodiment 1. FIG. FIG. 2 is an end view showing the configuration of the gas-insulated switchgear in the first embodiment. FIG. 3 is an enlarged side view showing a detailed configuration of the device connection bushing according to the first embodiment.

この発明による実施の形態１におけるガス絶縁スイッチギヤの構成を示す図１において、スイッチギヤ本体１内には遮断器２，断路器３，接地開閉器４などの主回路機器を収納し、ＳＦ６ガス，窒素ガス，乾燥空気などの絶縁性ガスを密閉した金属製密閉容器５を配置し、断路器３の側方の金属製密閉容器５に、金属製密閉容器５の内部に一端を挿入される固体絶縁物製のブッシング６を気密に取付けている。
スイッチギヤ本体１から側方に突出したスイッチギヤ本体１の金属製密閉容器５を固定している基礎部１ａの上に支持台７を取付け、支持台７の上方に架空電力線接続用ブッシング８を架空電力線接続用ブッシングの先端部８ａが、接続する架空電力線の系統電圧によって決定される距離以上となるように離して配置し、架空電力線接続用ブッシング８内の導体の下端と、金属製密閉容器５の側方に気密に取付けた機器接続用ブッシング６の間を湾曲部９ａを有する可撓性を持つ接続導体９によって接続した。 In Figure 1 showing the configuration of the gas insulated switchgear according to the first embodiment according to the invention, the switchgear body 1 breaker 2, disconnector 3, houses a main circuit devices such as earthing switch 4, SF 6 A metal sealed container 5 sealed with an insulating gas such as gas, nitrogen gas, and dry air is disposed, and one end is inserted into the metal sealed container 5 on the side of the disconnector 3 inside the metal sealed container 5. A bushing 6 made of solid insulator is airtightly attached.
A support base 7 is mounted on a base portion 1a fixing a metal airtight container 5 of the switchgear body 1 projecting laterally from the switchgear body 1, and an aerial power line connecting bushing 8 is provided above the support base 7. The tip 8a of the overhead power line connecting bushing is arranged so as to be at least a distance determined by the system voltage of the overhead power line to be connected, the lower end of the conductor in the overhead power line connecting bushing 8, and a metal sealed container The device connection bushings 6 that are airtightly attached to the sides of the 5 are connected by a flexible connection conductor 9 having a curved portion 9a.

金属製密閉容器５の内部に収納された断路器３や接地開閉器４等の主回路機器の外部との電気的接続を行うため金属製密閉容器５の側方に気密に取付けられた機器接続用ブッシング６は、金属製密閉容器５内に収納している断路器３の固定側端子３ａの側方に配置し、また、上記断路器３の水平に移動する可動子３ｂの可動軸線と機器接続用ブッシング６の中心が一致するように配置している。
機器接続用ブッシング６は、図３に示すように、金属製密閉容器５の内部に向かって略円錐形の凸型部６ａを外面に形成しこの凸型部６ａの内面に略円錐形の凹型部６ｂを有する絶縁部材により中心部に設けた接続端子６ｃを絶縁支持しており、金属製密閉容器５の開口部５ａに取り付けられている。
この機器接続用ブッシング６の内部に設けられた接続端子３ｃは、断路器３の可動軸の軸線上に延在しており、かつ、断路器３の可動軸の軸線上に機器接続用ブッシング６の接続端子３ｃを絶縁支持する絶縁部材における凹型部６ｂの中心軸が配置されている。 Equipment connection that is airtightly attached to the side of the metal enclosure 5 for electrical connection with the outside of the main circuit equipment such as the disconnect switch 3 and the earthing switch 4 housed inside the metal enclosure 5 The bushing 6 is disposed on the side of the fixed terminal 3a of the disconnector 3 housed in the metal hermetic container 5, and the movable axis of the mover 3b that moves horizontally on the disconnector 3 and the device It arrange | positions so that the center of the bushing 6 for connection may correspond.
As shown in FIG. 3, the device connecting bushing 6 has a substantially conical convex portion 6a formed on the outer surface toward the inside of the metal sealed container 5, and a substantially conical concave shape on the inner surface of the convex portion 6a. A connection terminal 6c provided in the center is insulated and supported by an insulating member having a portion 6b, and is attached to the opening 5a of the metal hermetic container 5.
The connection terminal 3 c provided inside the device connection bushing 6 extends on the axis of the movable shaft of the disconnector 3, and the device connection bushing 6 on the axis of the movable shaft of the disconnector 3. The central axis of the concave portion 6b in the insulating member that insulates and supports the connection terminal 3c is disposed.

ここで、主回路機器としての遮断器２は、遮断機能を具備する遮断器（ＣＢ）として構成され、主回路機器として断路器３は断路機能を具備する断路器（ＤＳ）として構成される。主回路機器としての接地開閉器４は接地機能を具備する接地開閉器（ＥＳ）または断路機能および接地機能を具備する接地開閉器（ＥＳ）および断路器（ＤＳ）接地開閉器（ＥＳ）機能を付加した３位置断路器（ＤＳ）として構成されている。   Here, the circuit breaker 2 as the main circuit device is configured as a circuit breaker (CB) having a disconnecting function, and the disconnecting device 3 as the main circuit device is configured as a disconnecting device (DS) having a disconnecting function. The earthing switch 4 as the main circuit device has the earthing switch (ES) having a grounding function or the earthing switch (ES) and the disconnecting switch (DS) having the disconnecting function and the earthing function. It is configured as an added 3-position disconnector (DS).

この発明による実施の形態１では、スイッチギヤ本体１の基礎部１ａ上に設置した支持台７により架空電力線接続用ブッシング８を支持することによって、スイッチギヤ本体１の側方に設けた機器接続用ブッシング６の接続導体接続部と架空電力線接続用ブッシング８の内部に設けた内部導体の下端との距離の精度が向上し、接続導体を現物あわせにて加工せずに接続することができる。また、スイッチギヤ本体１の側方に設けた機器接続用ブッシング６の接続導体接続部と架空電力線接続用ブッシング８の内部に設けた内部導体の下端が概ね垂直になるように配置し、接続導体９に例えばケーブルなどの可撓性を有する導体を使用することによって、スイッチギヤ本体１の側方に設けた機器接続用ブッシング６の接続導体接続部と架空電力線接続用ブッシングの内部に設けた内部導体の下端との距離の誤差が生じた場合にも、接続導体９の屈折部の曲げ曲率を変えるなどの容易な対応によって、誤差による接続部への影響を回避できる。   In Embodiment 1 according to the present invention, an aerial power line connecting bushing 8 is supported by a support base 7 installed on a base portion 1a of a switchgear main body 1, thereby connecting a device provided on the side of the switchgear main body 1. The accuracy of the distance between the connecting conductor connecting portion of the bushing 6 and the lower end of the inner conductor provided inside the overhead power line connecting bushing 8 is improved, and the connecting conductor can be connected without being processed in actuality. The connecting conductor connecting portion of the device connecting bushing 6 provided on the side of the switchgear main body 1 and the lower end of the inner conductor provided inside the overhead power line connecting bushing 8 are arranged so as to be substantially perpendicular to each other. 9, for example, by using a flexible conductor such as a cable, the inside of the connecting conductor connecting portion of the device connecting bushing 6 provided on the side of the switchgear main body 1 and the inside of the overhead power line connecting bushing. Even when an error in the distance from the lower end of the conductor occurs, the influence on the connection portion due to the error can be avoided by an easy countermeasure such as changing the bending curvature of the refracting portion of the connection conductor 9.

なお、図１から図３まででは機器接続用ブッシング６を断路器３の側方に配置した例を示しているが、接地開閉器４の固定側端子４ａの側方または避雷器１０の主回路側端子１０ａの側方に機器接続用ブッシング６を設けてもよい。この場合には、機器接続用ブッシング６の内部に設けられた接続端子３ｃは、接地開閉器４の可動軸または避雷器１０の軸線上に延在し、かつ、接地開閉器４の可動軸または避雷器１０の軸線上に機器接続用ブッシング６の接続端子３ｃを絶縁支持する絶縁部材における凹型部６ｂの中心軸が配置される。
そして、この実施の形態１では、架空電力線接続用ブッシング８を支持する支持台７をスイッチギヤ本体１を設置する基礎部１ａと共通の基礎部に前記スイッチギヤ本体１と並んで設けたものについて述べたが、架空電力線接続用ブッシング８を支持する支持台７をスイッチギヤ本体１を設置する基礎部１ａと分離した別個の基礎部に設けるようにしてもよい。
さらに、この実施の形態１では、機器接続用ブッシング６と架空電力線接続用ブッシング８とを湾曲部９ａを有し可撓性を持つ接続導体９を介して接続するものについて述べたが、接続導体９は寸法調整が可能な構成ならば湾曲部９ａを有していなくてもよい。 1 to 3 show an example in which the device connection bushing 6 is arranged on the side of the disconnector 3, but the side of the fixed side terminal 4 a of the ground switch 4 or the main circuit side of the lightning arrester 10 is shown. A device connection bushing 6 may be provided on the side of the terminal 10a. In this case, the connection terminal 3c provided in the device connection bushing 6 extends on the movable shaft of the grounding switch 4 or the axis of the lightning arrester 10, and the movable shaft or the lightning arrester of the grounding switch 4. The central axis of the recessed portion 6b in the insulating member that insulates and supports the connection terminal 3c of the device connection bushing 6 is disposed on the 10 axis line.
And in this Embodiment 1, about the thing which provided the support stand 7 which supports the bushing 8 for an aerial power line connection in the base part 1a which installs the switchgear main body 1 along with the said switchgear main body 1 in common. As described above, the support base 7 that supports the overhead power line connecting bushing 8 may be provided on a separate base part separated from the base part 1 a on which the switchgear main body 1 is installed.
Furthermore, in this Embodiment 1, although what connected the bushing 6 for apparatus connection and the bushing 8 for an aerial power line connection via the flexible connection conductor 9 which has the curved part 9a was described, the connection conductor If 9 is a structure which can adjust a dimension, it does not need to have the curved part 9a.

（１Ａ）この発明による実施の形態１によれば、遮断器２からなる遮断機能を具備する遮断機器要素と、断路器３または接地開閉器４からなる断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを絶縁性ガスを封入した接地された金属製密閉容器５に収納したスイッチギヤを並べて構成したガス絶縁スイッチギヤ本体を備え、前記遮断機器要素および開閉機器要素を架空電力線と接続するガス絶縁スイッチギヤにおいて、スイッチギヤ本体１を設置する基礎部１ａと共通の基礎部に前記スイッチギヤ本体１と並んで設けられ架空電力線接続用ブッシング８を支持する支持台７と、前記金属製密閉容器５の側部に少なくとも一端を前記金属製密閉容器５に挿入して設けられ前記遮断機器要素および開閉機器要素と接続された機器接続用ブッシングとを設け、前記機器接続用ブッシング６と前記架空電力線接続用ブッシング８とを湾曲部９ａを有し可撓性を持つ接続導体９を介して接続するようにしたので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応できるガス絶縁スイッチギヤを得ることができる。 (1A) According to the first embodiment of the present invention, a breaker device element having a breaker function comprising a breaker 2 and at least one of a breaker function and a grounding function comprising a breaker 3 or a ground switch 4 are provided. A gas-insulated switchgear main body comprising switchgears arranged in a grounded metal sealed container 5 filled with an insulating gas and arranged in an insulating gas is provided, and the shutoff device element and the switchgear element are connected to an overhead power line. In the gas-insulated switchgear, a support base 7 that is provided alongside the switchgear main body 1 on the same base part as the base part 1a on which the switchgear main body 1 is installed and supports the overhead power line connecting bushing 8, and the metal sealing A machine that is provided on the side of the container 5 with at least one end inserted into the metal hermetic container 5 and connected to the shut-off device element and the switching device element Since a connection bushing is provided, the device connection bushing 6 and the overhead power line connection bushing 8 are connected via a flexible connection conductor 9 having a curved portion 9a. A gas that can simplify the connection structure from the device connection bushing 6 to the internal device elements inside the gear body 1 and can smoothly respond to a request for position adjustment due to a dimensional error or the like in connection from the device connection bushing 6 to the outside. Insulated switchgear can be obtained.

（１Ｂ）この発明による実施の形態１によれば、前記（１Ａ）項における構成において、前記機器接続用ブッシング６は前記金属製密閉容器５の内部に向かって略円錐形の凸型部６ａを表面に形成しこの凸型部６ａの内面に略円錐形の凹型部６ｂ（図３参照）を有する絶縁部材により中心部に設けた接続導体６ｃ（図３参照）を絶縁支持するようにしたので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも、機器接続用ブッシング６における中心端子の絶縁支持を簡潔な構成で確実に行えるガス絶縁スイッチギヤを得ることができる。 (1B) According to the first embodiment of the present invention, in the configuration of the item (1A), the device connecting bushing 6 has a substantially conical convex portion 6a toward the inside of the metal sealed container 5. The connecting conductor 6c (see FIG. 3) provided at the center is insulated and supported by an insulating member formed on the surface and having a substantially conical concave portion 6b (see FIG. 3) on the inner surface of the convex portion 6a. In addition, it is possible to simplify the connection structure from the device connection bushing 6 to the internal device elements inside the gas-insulated switchgear main body 1 and to smoothly request position adjustment due to dimensional errors in the connection from the device connection bushing 6 to the outside. In addition, it is possible to obtain a gas-insulated switchgear that can reliably insulate and support the center terminal of the device connection bushing 6 with a simple configuration.

（１Ｃ）この発明による実施の形態１によれば、前記（１Ａ）項における構成において、前記金属製密閉容器５の側部に設けられる前記機器接続用ブッシング６を取り付けるための開口部５ａが側方のみに開口するようにしたので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも、機器接続用ブッシング６の構成を単純な構造とすることができるガス絶縁スイッチギヤを得ることができる。 (1C) According to the first embodiment of the present invention, in the configuration according to the item (1A), the opening 5a for attaching the device connection bushing 6 provided on the side of the metal hermetic container 5 is on the side. Since the gas insulation switchgear main body 1 has an opening only on one side, the connection structure from the device connection bushing 6 to the internal device element can be simplified, and a dimensional error in the connection from the device connection bushing 6 to the outside. Thus, it is possible to obtain a gas-insulated switchgear that can respond smoothly to a request for position adjustment due to the above, and can make the configuration of the device connection bushing 6 simple.

（１Ｄ）この発明による実施の形態１によれば、前記（１Ａ）項または前記（１Ｃ）項における構成において、前記金属製密閉容器５の側部に設けられる前記機器接続用ブッシング６を、前記金属製密閉容器５に収納され互いに並設された断路器３からなる断路機能を具備する開閉機器要素の固定側端子３ａと接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の固定側端子４ａと避雷器１０の主回路側端子１０ａの何れか一つの側方に配置したので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも、機器接続用ブッシング６の配置をガス絶縁スイッチギヤ本体１の内部機器要素に対して適合できるガス絶縁スイッチギヤを得ることができる。 (1D) According to Embodiment 1 of the present invention, in the configuration in the item (1A) or the item (1C), the device connection bushing 6 provided on the side of the metal hermetic container 5 is A switch-side device element having a disconnecting function and a grounding function consisting of a stationary terminal 3a and a ground switch 4 having a disconnecting function consisting of a disconnecting device 3 housed in a metal sealed container 5 and arranged in parallel with each other. Since it is arranged on either side of the fixed side terminal 4a and the main circuit side terminal 10a of the lightning arrester 10, the connection structure from the device connection bushing 6 to the internal device elements in the gas insulated switchgear main body 1 can be simplified. In addition, it is possible to smoothly respond to a request for position adjustment due to a dimensional error or the like in the connection from the device connection bushing 6 to the outside, and the device connection bushing 6 is arranged. It is possible to obtain a gas-insulated switchgear that can be adapted to the interior equipment components of the gas insulated switchgear body 1.

（１Ｅ）この発明による実施の形態１によれば、前記（１Ａ）項または前記（１Ｃ）項における構成において、前記金属製密閉容器５の側部に設けられる前記機器接続用ブッシングを、前記金属製密閉容器５に収納され互いに並設された断路器３からなる断路機能を具備する開閉機器要素の可動軸３ａ、接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の可動軸４ｂ、避雷器１０の主回路側端子１０ａの何れか一つの軸線上に、前記機器接続用ブッシング６内に設けられた接続端子６ｃを延在して配置したので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも、機器接続用ブッシング６の配置をガス絶縁スイッチギヤ本体１に収納した内部機器要素の軸線に対して適合できるガス絶縁スイッチギヤを得ることができる。 (1E) According to Embodiment 1 of the present invention, in the configuration in the item (1A) or the item (1C), the device connection bushing provided on the side portion of the metal hermetic container 5 is A movable shaft 3a of a switchgear element having a disconnect function composed of disconnectors 3 housed in a sealed container 5 and arranged in parallel with each other, a movable shaft of a switchgear element having a disconnect function and a ground function composed of a ground switch 4 4b, since the connection terminal 6c provided in the device connection bushing 6 extends and is arranged on any one axis of the main circuit side terminal 10a of the lightning arrester 10, in the gas insulated switchgear main body 1 It is possible to simplify the connection structure from the device connection bushing 6 to the internal device elements, and it is necessary to adjust the position due to dimensional errors in the connection from the device connection bushing 6 to the outside. Also smoothly it can handle, moreover, it is possible to obtain a gas-insulated switchgear that can adapt the arrangement of the device connecting bushing 6 with respect to the axis of internal equipment elements housed in the gas insulated switchgear body 1.

（１Ｆ）この発明による実施の形態１によれば、前記（１Ｃ）項における構成において、前記金属製密閉容器５の側部に設けられる前記機器接続用ブッシング６を、前記金属製密閉容器５に収納され互いに並設された断路器３からなる断路機能を具備する開閉機器要素の可動軸３ａ、接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の可動軸４ａ、避雷器１０の主回路側端子１０ａの何れか一つの軸線上に、前記機器接続用ブッシング６内に設けられた絶縁部材における略円錐形の凹型部６ｂの中心軸を配置したので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも、機器接続用ブッシング６の中心軸の配置をガス絶縁スイッチギヤ本体の内部機器要素の軸線に対して適合できるガス絶縁スイッチギヤを得ることができる。 (1F) According to Embodiment 1 of the present invention, in the configuration in the item (1C), the device connecting bushing 6 provided on the side of the metal sealed container 5 is connected to the metal sealed container 5. The movable shaft 3a of the switching device element having the disconnecting function composed of the disconnecting devices 3 housed in parallel with each other, the movable shaft 4a of the switching device element having the disconnecting function and the grounding function composed of the ground switch 4, and the lightning arrester 10 Since the central axis of the substantially conical concave portion 6b of the insulating member provided in the device connecting bushing 6 is arranged on any one axis of the main circuit side terminal 10a, the gas insulating switchgear main body 1 The connection structure from the device connection bushing 6 to the internal device elements can be simplified, and the position adjustment due to dimensional errors or the like in the connection from the device connection bushing 6 to the outside can be performed. Also smoothly be meet the demand, moreover, it is possible to obtain a gas-insulated switchgear that can adapt the arrangement of the central axis of device connection bushing 6 with respect to the axis of the internal equipment elements of the gas insulated switchgear body.

（１Ｇ）前記（１Ａ）項または前記（１Ｃ）項から前記（１Ｅ）項までのいずれかにおける構成において、前記金属製密閉容器５の側部に設けられた前記機器接続用ブッシング６は、スイッチギヤ本体１の前記金属製密閉容器５に気密に結合されているので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応できる、しかも、金属製密閉容器５の密閉性を確保できるガス絶縁スイッチギヤを得ることができる。 (1G) In the configuration in any one of the item (1A) or the item (1C) to the item (1E), the device connection bushing 6 provided on a side portion of the metal hermetic container 5 is a switch. Since the gear body 1 is hermetically coupled to the metal hermetic container 5, the connection structure from the device connection bushing 6 to the internal device element in the gas insulated switchgear body 1 can be simplified, and the device connection bushing. Thus, it is possible to obtain a gas-insulated switchgear that can smoothly cope with a request for position adjustment due to a dimensional error or the like in connection from the outside to the outside and that can secure the sealing property of the metal hermetic container 5.

実施の形態２．
この発明による実施の形態２を図４について説明する。図４は実施の形態２におけるガス絶縁スイッチギヤの構成を示す側面図である。
この実施の形態２において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 2. FIG.
A second embodiment of the present invention will be described with reference to FIG. FIG. 4 is a side view showing the configuration of the gas-insulated switchgear in the second embodiment.
In the second embodiment, the configuration other than the specific configuration described here has the same configuration contents as the configuration in the first embodiment described above, and exhibits the same operation. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態２におけるガス絶縁スイッチギヤの構成を示す図４において、スイッチギヤ本体１内には遮断器２，断路器３，接地開閉器４などの主回路機器を収納し、ＳＦ６ガス，窒素ガス，乾燥空気などの絶縁性ガスを密閉した金属製密閉容器５を配置し、断路器３の側方の金属製密閉容器５に、金属製密閉容器５の内部に一端を挿入される固体絶縁物製のブッシング６を気密に取付けている。
スイッチギヤ本体１から側方に突出したスイッチギヤ本体１の金属製密閉容器５を固定している基礎部１ａの上に支持台７を取付け、支持台７の上方に架空電力線接続用ブッシング８を架空電力線接続用ブッシングの先端部８ａが、接続する架空電力線の系統電圧によって決定される距離以上となるように離して配置し、架空電力線接続用ブッシング８内の導体の下端と、金属製密閉容器５の側方に気密に取付けた機器接続用ブッシング６の間をＬ形コネクタ９ｂを中間部分に有する可撓性を持つ接続導体９によって接続した。 In FIG. 4 showing the configuration of the gas-insulated switchgear according to the second embodiment of the present invention, main circuit equipment such as a circuit breaker 2, a disconnector 3 and a ground switch 4 are housed in the switchgear main body 1, and SF 6 A metal sealed container 5 sealed with an insulating gas such as gas, nitrogen gas, and dry air is disposed, and one end is inserted into the metal sealed container 5 on the side of the disconnector 3 inside the metal sealed container 5. A bushing 6 made of solid insulator is airtightly attached.
A support base 7 is mounted on a base portion 1a fixing a metal airtight container 5 of the switchgear body 1 projecting laterally from the switchgear body 1, and an aerial power line connecting bushing 8 is provided above the support base 7. The tip 8a of the overhead power line connecting bushing is arranged so as to be at least a distance determined by the system voltage of the overhead power line to be connected, the lower end of the conductor in the overhead power line connecting bushing 8, and a metal sealed container Between the device connection bushings 6 which are airtightly attached to the sides of 5, a flexible connection conductor 9 having an L-shaped connector 9 b at an intermediate portion is connected.

この発明による実施の形態２では、スイッチギヤ本体１の基礎部１ａ上に設置した支持台７により架空電力線接続用ブッシング８を支持することによって、スイッチギヤ本体１の側方に設けた機器接続用ブッシング６の接続導体接続部と架空電力線接続用ブッシング８の内部に設けた内部導体の下端との距離の精度が向上し、接続導体を現物あわせにて加工せずに接続することができる。また、スイッチギヤ本体１の側方に設けた機器接続用ブッシング６の接続導体接続部と架空電力線接続用ブッシング８の内部に設けた内部導体の下端が概ね垂直になるように配置し、接続導体９にＬ形コネクタ９ｂを中間部分に有する可撓性を持つ導体を使用することによって、スイッチギヤ本体１の側方に設けた機器接続用ブッシング６の接続導体接続部と架空電力線接続用ブッシングの内部に設けた内部導体の下端との距離の誤差が生じた場合にも、接続導体９の中間部分に設けられたＬ形コネクタ９ｂによって寸法調整をするなどの容易な対応によって、誤差による接続部への影響を回避できる。   In the second embodiment according to the present invention, an aerial power line connecting bushing 8 is supported by a support base 7 installed on the base portion 1a of the switchgear main body 1 so as to connect the equipment provided on the side of the switchgear main body 1. The accuracy of the distance between the connecting conductor connecting portion of the bushing 6 and the lower end of the inner conductor provided inside the overhead power line connecting bushing 8 is improved, and the connecting conductor can be connected without being processed in actuality. The connecting conductor connecting portion of the device connecting bushing 6 provided on the side of the switchgear main body 1 and the lower end of the inner conductor provided inside the overhead power line connecting bushing 8 are arranged so as to be substantially perpendicular to each other. 9 by using a flexible conductor having an L-shaped connector 9b in the middle portion, the connection conductor connection portion of the device connection bushing 6 provided on the side of the switchgear body 1 and the overhead power line connection bushing. Even when an error in the distance from the lower end of the internal conductor provided inside occurs, the connecting portion due to the error can be easily handled by adjusting the dimensions with the L-shaped connector 9b provided in the intermediate portion of the connecting conductor 9. The influence on can be avoided.

（２Ａ）この発明による実施の形態２によれば、遮断器２からなる遮断機能を具備する遮断機器要素と、断路器３または接地開閉器４からなる断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを絶縁性ガスを封入した接地された金属製密閉容器５に収納したスイッチギヤを並べて構成したガス絶縁スイッチギヤ本体を備え、前記遮断機器要素および開閉機器要素を架空電力線と接続するガス絶縁スイッチギヤにおいて、スイッチギヤ本体１を設置する基礎部１ａと共通の基礎部に前記スイッチギヤ本体１と並んで設けられ架空電力線接続用ブッシング８を支持する支持台７と、前記金属製密閉容器５の側部に少なくとも一端を前記金属製密閉容器５に挿入して設けられ前記遮断機器要素および開閉機器要素と接続された機器接続用ブッシングとを設け、前記機器接続用ブッシング６と前記架空電力線接続用ブッシング８とを中間部分にＬ形コネクタ９ｂを有し可撓性を持つ接続導体９を介して接続するようにしたので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応できるガス絶縁スイッチギヤを得ることができる。 (2A) According to the second embodiment of the present invention, the circuit breaker 2 has a breaker device having a breaker function, and has at least one of a breaker function and a ground switch 4 having a breaker 3 or a ground switch 4. A gas-insulated switchgear main body comprising switchgears arranged in a grounded metal sealed container 5 filled with an insulating gas and arranged in an insulating gas is provided, and the shutoff device element and the switchgear element are connected to an overhead power line. In a gas-insulated switchgear, a support base 7 that is provided alongside the switchgear body 1 on a base part common to the base part 1a on which the switchgear body 1 is installed and supports the overhead power line connecting bushing 8, and the metal sealing A machine that is provided on the side of the container 5 with at least one end inserted into the metal hermetic container 5 and connected to the shut-off device element and the switching device element Since a connection bushing is provided, the device connection bushing 6 and the overhead power line connection bushing 8 are connected to each other via a flexible connection conductor 9 having an L-shaped connector 9b at an intermediate portion. In addition, it is possible to simplify the connection structure from the device connection bushing 6 to the internal device elements inside the gas-insulated switchgear main body 1 and to smoothly request position adjustment due to dimensional errors in the connection from the device connection bushing 6 to the outside. Can be obtained.

実施の形態３．
この発明による実施の形態３を図５および図６について説明する。図５は実施の形態３におけるスイッチギヤの構成を示す側面図である。図６は実施の形態３における機器接続用ブッシングまわりの詳細構成を示す拡大側面図である。
この実施の形態３において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 3 FIG.
A third embodiment of the present invention will be described with reference to FIGS. FIG. 5 is a side view showing the configuration of the switchgear in the third embodiment. FIG. 6 is an enlarged side view showing a detailed configuration around the device connection bushing according to the third embodiment.
In the third embodiment, the configuration other than the specific configuration described here has the same configuration contents as the configuration in the first embodiment described above, and has the same function. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態３におけるスイッチギヤの構成を示す図５において、スイッチギヤ本体１１内には遮断器２，断路器３，接地開閉器４などの主回路機器を固体絶縁物１２でモールドし、固体絶縁物１２の外面を接地された導電層１２ａで覆った主回路部を配置し、固体絶縁物１２の側方に略円錐形の窪んだ接続導体接続部１２ｂを有し、固体絶縁物１２内に埋設された断路器３または接地開閉器４に接続された接続端子１２ｃを埋設している。
スイッチギヤ本体１１から側方に突出したスイッチギヤ本体１１の主回路部を固定している基礎部１１ａの上に支持台７を取付け、支持台７の上方に架空電力線接続用のブッシング８を架空電力線接続用ブッシング８の先端部８ａが、接続する架空電力線の系統電圧によって決定される距離以上となるように離して配置し、架空電力線接続用ブッシング８内の導体の下端と、主回路部の側方に設けた接続導体接続部１２ｂの間を接続導体９によって接続している。 In FIG. 5 showing the configuration of the switchgear according to the third embodiment of the present invention, main circuit devices such as a circuit breaker 2, a disconnector 3 and a ground switch 4 are molded with a solid insulator 12 in the switchgear main body 11. The main circuit portion having the outer surface of the solid insulator 12 covered with a grounded conductive layer 12a is disposed, and the connection conductor connecting portion 12b having a substantially conical recess is formed on the side of the solid insulator 12, and the solid insulator is provided. A connection terminal 12 c connected to the disconnecting switch 3 or the ground switch 4 embedded in 12 is embedded.
A support base 7 is mounted on a base portion 11a that fixes the main circuit portion of the switch gear main body 11 protruding laterally from the switch gear main body 11, and a bushing 8 for connecting an aerial power line is installed above the support base 7. The tip 8a of the power line connecting bushing 8 is arranged so as to be at least a distance determined by the system voltage of the overhead power line to be connected, the lower end of the conductor in the overhead power line connecting bushing 8, and the main circuit portion A connection conductor 9 connects the connection conductor connection portions 12b provided on the sides.

接続導体接続部１２ｂは、図６に示すように、固体絶縁物１２の側方に略円錐形の凹部を形成して設けられ、接続端子１２ｃと接続導体９への接続端子６ｃを機械的に結合し、かつ、電気的に接続している。   As shown in FIG. 6, the connection conductor connection portion 12 b is provided by forming a substantially conical recess on the side of the solid insulator 12, and mechanically connects the connection terminal 12 c and the connection terminal 6 c to the connection conductor 9. Coupled and electrically connected.

この発明による実施の形態３では、遮断器２，断路器３，接地開閉器４などの主回路機器を固体絶縁物１２でモールドした固体絶縁物の側方に、側方又は側方斜め上方に傾斜し開口した凹部に配設される接続導体接続部１２ｂを設け、架空電力線接続用ブッシング９をスイッチギヤ側方に延長した基礎部１１ａの上に設置した支持台７によって支持し、架空電力線接続用ブッシング８の内部に設けた内部導体の下端と、スイッチギヤ本体１の側方に結合した機器接続用ブッシング６の間を接続導体を介して接続することによって、スイッチギヤの側方に設けた接続導体接続部１２ｂと架空電力線接続用ブッシング６の内部に設けた内部導体６ｃの下端との距離の精度が向上し、接続導体を現物あわせにて加工せずに接続することができる。
また、スイッチギヤ本体１の側方に設けたブッシング６の接続導体接続部１２ｂと架空電力線接続用ブッシング８の内部に設けた内部導体の下端が概ね垂直になるように配置し、接続導体９に例えばケーブルなどの可撓性を有する導体を使用することによって、スイッチギヤ本体１の側方に設けたブッシングの接続導体接続部１２ｂと架空電力線接続用ブッシング８の内部に設けた内部導体の下端との距離の誤差が生じた場合にも、接続導体９の屈折部の曲げ曲率を変えるなどの容易な対応によって、誤差による接続部への影響を回避できる。 In the third embodiment according to the present invention, the main circuit device such as the circuit breaker 2, the disconnect switch 3, the ground switch 4 or the like is placed on the side of the solid insulator molded with the solid insulator 12, on the side or obliquely upward on the side. A connecting conductor connecting portion 12b disposed in an inclined and opened recess is provided, and the overhead power line connecting bushing 9 is supported by a support base 7 installed on a base portion 11a extending to the side of the switchgear to connect the overhead power line. By connecting the lower end of the internal conductor provided inside the bushing 8 and the device connecting bushing 6 coupled to the side of the switchgear body 1 via the connection conductor, the side is provided on the side of the switchgear. The accuracy of the distance between the connecting conductor connecting portion 12b and the lower end of the internal conductor 6c provided inside the overhead power line connecting bushing 6 can be improved, and the connecting conductor can be connected without being processed in combination.
Further, the connecting conductor connecting portion 12b of the bushing 6 provided on the side of the switchgear body 1 and the lower end of the inner conductor provided in the overhead power line connecting bushing 8 are arranged so as to be substantially vertical. For example, by using a flexible conductor such as a cable, the connecting conductor connecting portion 12b of the bushing provided on the side of the switchgear body 1 and the lower end of the inner conductor provided inside the overhead power line connecting bushing 8 Even if a distance error occurs, the influence of the error on the connection portion can be avoided by an easy countermeasure such as changing the bending curvature of the refracting portion of the connection conductor 9.

（３Ａ）この発明による実施の形態３によれば、遮断器２からなる遮断機能を具備する遮断機器要素と、断路器３または接地開閉器４からなる断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを固体絶縁物１２でモールドし、前記モールドされた固体絶縁物１２の外面に導電層１２ａを設け、この導電層１２ａを接地電位に接続したスイッチギヤを並べて構成したスイッチギヤ本体１１を備え、前記遮断機器要素および開閉機器要素を架空電力線と接続するスイッチギヤにおいて、スイッチギヤ本体１１を設置する基礎部１ａと共通の基礎部に前記スイッチギヤ本体１１と並んで設けられ架空電力線接続用ブッシング８を支持する支持台７と、前記固体絶縁物１２の側部に設けられ側方または側方斜め上方に開口する接続導体接続部１２ｂを構成する開口部に少なくとも一端を挿入して設けられ前記遮断機器要素および開閉機器要素と接続された機器接続用ブッシング６とを設け、前記機器接続用ブッシング６と前記架空電力線接続用ブッシング８とを湾曲部９ａを有する可撓性を持つ接続導体９を介して接続するようにしたので、スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも、スイッチギヤ本体１内部における絶縁性能を固体絶縁物１２により確保できるスイッチギヤを得ることができる。 (3A) According to Embodiment 3 of the present invention, a breaker device element having a breaker function comprising a breaker 2 and at least one of a breaker function and a grounding function comprising a breaker 3 or a ground switch 4 are provided. The switchgear body 11 is formed by molding a switchgear element with a solid insulator 12, providing a conductive layer 12 a on the outer surface of the molded solid insulator 12, and arranging switch gears connected to the ground potential. In the switchgear for connecting the shut-off device element and the switching device element to the overhead power line, an overhead power line connection is provided alongside the switch gear body 11 on the same base part as the foundation part 1a where the switchgear body 11 is installed. The support base 7 that supports the bushing 8 for use, and a connection that is provided on the side of the solid insulator 12 and that opens sideways or obliquely upward on the side A device connecting bushing 6 is provided which is provided by inserting at least one end into an opening constituting the body connecting portion 12b and is connected to the shut-off device element and the switching device element, and the device connecting bushing 6 and the overhead power line connection Since the connecting bushing 8 is connected via the flexible connecting conductor 9 having the curved portion 9a, the connection structure from the device connecting bushing 6 to the internal device element in the switchgear body 1 is simplified. In addition, a switchgear that can smoothly respond to a request for position adjustment due to a dimensional error or the like in connection from the device connection bushing 6 to the outside, and that can secure insulation performance inside the switchgear body 1 by the solid insulator 12 is provided. Obtainable.

実施の形態４．
この発明による実施の形態４を図７について説明する。図７は実施の形態４におけるガス絶縁スイッチギヤの構成を示す側面図である。
この実施の形態４において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 4 FIG.
A fourth embodiment of the present invention will be described with reference to FIG. FIG. 7 is a side view showing the configuration of the gas-insulated switchgear according to the fourth embodiment.
In the fourth embodiment, the configuration other than the specific configuration described here has the same configuration contents as the configuration in the first embodiment described above, and exhibits the same operation. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態４におけるガス絶縁スイッチギヤの構成を示す図７において、金属製密閉容器５への機器接続用ブッシング６の取付け部の構造および架空電力線接続用ブッシング８の取付け構造は図１と同様であるが、架空電力線接続用ブッシング８内の導体の下端と金属製密閉容器５の側方に気密に取付けた機器接続用ブッシング６の間を接続する接続導体９を貫通するように変流器１３を取付けている。
また、スイッチギヤ本体１の側方と架空電力線接続用ブッシング８の下方との間は、接地された金属製保護枠１４によって覆われている。
そして、接続導体９は、導体に絶縁被覆を施したケーブル、または、外被を接地電位に保持される導電層で覆った絶縁母線とすることができる。 7 showing the configuration of the gas-insulated switchgear according to the fourth embodiment of the present invention, the structure of the mounting portion of the device connecting bushing 6 to the metal sealed container 5 and the mounting structure of the overhead power line connecting bushing 8 are shown in FIG. Is changed so as to pass through the connecting conductor 9 that connects between the lower end of the conductor in the overhead power line connecting bushing 8 and the device connecting bushing 6 that is airtightly attached to the side of the metal hermetic container 5. A flow device 13 is attached.
The side of the switchgear main body 1 and the lower side of the overhead power line connecting bushing 8 are covered with a grounded metal protective frame 14.
The connection conductor 9 can be a cable having an insulating coating on the conductor, or an insulated bus whose outer sheath is covered with a conductive layer held at a ground potential.

（４Ａ）この発明による実施の形態４によれば、実施の形態１における前記（１Ａ）〜（１Ｇ）項および実施の形態３における前記（３Ａ）項のいずれかに記載の構成において、 前記接続導体９に装着される変流器１３を設けたので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも変流器の接続導体への装着により変流器の取り付け構造を簡素化できるガス絶縁スイッチギヤを得ることができる。 (4A) According to Embodiment 4 of the present invention, in the configuration according to any one of (1A) to (1G) in Embodiment 1 and (3A) in Embodiment 3, the connection Since the current transformer 13 attached to the conductor 9 is provided, the connection structure from the device connection bushing 6 to the internal device element inside the gas insulated switchgear main body can be simplified, and the device connection bushing 6 is connected to the outside. It is possible to obtain a gas-insulated switchgear that can smoothly cope with a request for position adjustment due to a dimensional error or the like in connection, and can simplify the mounting structure of the current transformer by being attached to the connection conductor of the current transformer.

（４Ｂ）この発明による実施の形態４によれば、実施の形態１における前記（１Ａ）〜（１Ｇ）項および実施の形態３における前記（３Ａ）項のいずれかに記載の構成において、前記接続導体を導体に絶縁外被を施した絶縁ケーブルあるいは外被を接地電位に保持される導電層で覆った絶縁母線で構成したので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも絶縁ケーブルによる接続により機器接続用ブッシング６と架空電力線接続用ブッシング８との接続構成を簡素化できるガス絶縁スイッチギヤを得ることができる。 (4B) According to the fourth embodiment of the present invention, in the configuration according to any one of the (1A) to (1G) items in the first embodiment and the (3A) item in the third embodiment, the connection Since the conductor is composed of an insulated cable in which the conductor is covered with an insulating jacket or an insulating busbar in which the jacket is covered with a conductive layer held at the ground potential, the device connecting bushing 6 inside the gas-insulated switchgear body is connected to an internal device element. In addition to simplifying the connection structure to the device, it is possible to smoothly respond to requests for position adjustment due to dimensional errors in the connection from the device connection bushing 6 to the outside, and the device connection bushing 6 and the overhead power line can be connected by an insulated cable. A gas-insulated switchgear that can simplify the connection configuration with the connection bushing 8 can be obtained.

（４Ｃ）この発明による実施の形態４によれば、実施の形態１における前記（１Ａ）〜（１Ｇ）項および実施の形態３における前記（３Ａ）項のいずれかに記載の構成において、前記接続導体を外被を接地電位に保持される導電層で覆った絶縁母線で構成したので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも絶縁母線による接続により機器接続用ブッシング６と架空電力線接続用ブッシング８との接続構成を簡素化できるガス絶縁スイッチギヤを得ることができる。 (4C) According to Embodiment 4 of the present invention, in the configuration according to any one of (1A) to (1G) in Embodiment 1 and (3A) in Embodiment 3, the connection Since the conductor is composed of an insulated bus whose outer sheath is covered with a conductive layer held at the ground potential, the connection structure from the device connection bushing 6 to the internal device elements inside the gas insulated switchgear body can be simplified, and the device In connection from the connection bushing 6 to the outside, it is possible to smoothly respond to requests for position adjustment due to dimensional errors, etc., and the connection configuration between the device connection bushing 6 and the overhead power line connection bushing 8 is simplified by connection with an insulated bus. A gas-insulated switchgear that can be obtained can be obtained.

（４Ｄ）この発明による実施の形態４によれば、実施の形態１における前記（１Ａ）項〜（１Ｇ）項のいずれかに記載の構成において、前記スイッチギヤ本体の側方から架空電力線接続用ブッシングの下方までを、接地された金属製保護枠１４からなる連続する保護パネル部材によって覆ったので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも飛来物などから接続導体を保護することができて、接続導体の品質を長期間維持することができるス絶縁スイッチギヤを得ることができる。 (4D) According to Embodiment 4 of the present invention, in the configuration described in any one of (1A) to (1G) in Embodiment 1, for connecting an aerial power line from the side of the switchgear body Since the lower part of the bushing is covered with a continuous protective panel member made of a grounded metal protective frame 14, the connection structure from the device connection bushing 6 to the internal device element in the gas insulated switchgear main body can be simplified. At the same time, it is possible to smoothly respond to the request for position adjustment due to dimensional errors in the connection from the device connection bushing 6 to the outside, and to protect the connection conductor from flying objects, etc., and to improve the quality of the connection conductor for a long time. The insulated switchgear that can be maintained can be obtained.

実施の形態５．
この発明による実施の形態５を図８および図９について説明する。図８は実施の形態５におけるガス絶縁スイッチギヤの構成を示す側面図である。図９は実施の形態５におけるガス絶縁スイッチギヤの構成を示す端面図である。
この実施の形態５において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 5 FIG.
A fifth embodiment of the present invention will be described with reference to FIGS. FIG. 8 is a side view showing the configuration of the gas-insulated switchgear according to the fifth embodiment. FIG. 9 is an end view showing the configuration of the gas-insulated switchgear according to the fifth embodiment.
In the fifth embodiment, the configuration other than the specific configuration described here has the same configuration contents as the configuration in the first embodiment described above, and exhibits the same operation. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態５をガス絶縁スイッチギヤの構成を示す図８および図９において、金属製密閉容器５の内部に収納された断路器３や接地開閉器４等の主回路機器の外部との電気的接続を行うため金属製密閉容器５の側方に気密に取付けられた機器接続用ブッシング６は、金属製密閉容器５内に収納している接地開閉器４の固定側端子４ｂの側方に配置し、また、上記接地開閉器４の水平に移動する可動子４ａの可動軸の軸線と機器接続用ブッシング６の中心部に設けられた接続端子６ｃの延在方向が一致するように配置している。さらに、接地開閉器４の水平に移動する可動子４ａの可動軸の軸線上に、前記機器接続用ブッシング６内に設けられた略円錐形の凹型部６ｂの中心軸が配置されている。
そして、機器接続用ブッシング６は架空電力線用ブッシング８と湾曲部９ａを有する可撓性を持つ接続導体９を介して接続されている。 8 and 9 showing the configuration of the gas insulated switchgear according to the fifth embodiment of the present invention, the outside of the main circuit equipment such as the disconnect switch 3 and the ground switch 4 housed in the metal hermetic container 5 is shown. The device connection bushing 6 which is airtightly attached to the side of the metal hermetic container 5 to make the electrical connection is provided on the fixed terminal 4b side of the ground switch 4 housed in the metal hermetic container 5. Further, the axis of the movable shaft of the movable element 4a that moves horizontally of the grounding switch 4 and the extending direction of the connection terminal 6c provided at the center of the device connection bushing 6 coincide with each other. It is arranged. Further, on the axis of the movable shaft of the movable element 4a that moves horizontally of the ground switch 4, the central axis of the substantially conical concave portion 6b provided in the device connection bushing 6 is disposed.
The device connection bushing 6 is connected to the overhead power line bushing 8 via a flexible connection conductor 9 having a curved portion 9a.

（５Ａ）この発明による実施の形態５によれば、実施の形態１における前記（１Ａ）項〜（１Ｃ）項のいずれかの構成において、前記金属製密閉容器の側部に設けられる前記機器接続用ブッシング６を、前記金属製密閉容器に収納された接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の固定側端子４ａの側方に配置したので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも機器接続用ブッシング６の配置をガス絶縁スイッチギヤ本体１に収納した内部機器要素の配置と適合できるガス絶縁スイッチギヤを得ることができる。 (5A) According to Embodiment 5 of the present invention, in any one of the configurations of (1A) to (1C) in Embodiment 1, the device connection provided on the side of the metal hermetic container Since the bushing 6 is disposed on the side of the stationary terminal 4a of the switchgear element having the disconnecting function and the grounding function which are composed of the grounding switch 4 housed in the metal hermetic container, the gas insulated switchgear main body 1 The internal connection structure from the device connection bushing 6 to the internal device elements can be simplified, and the connection from the device connection bushing 6 to the outside can be smoothly handled in response to a request for position adjustment due to dimensional errors and the like. Thus, it is possible to obtain a gas-insulated switchgear that can be adapted to the arrangement of the internal device elements housed in the gas-insulated switchgear main body 1 in the arrangement of the bushing 6 for use.

（５Ｂ）この発明による実施の形態５によれば、実施の形態１における前記（１Ａ）項〜（１Ｃ）項のいずれかの構成において、前記金属製密閉容器に収納された接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の可動軸４ｂの軸線上に、前記機器接続用ブッシング６内に設けられた接続端子６ｃ（図３参照）の中心を配置したので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも機器接続用ブッシング６の接続導体をガス絶縁スイッチギヤ本体１に収納した内部機器要素の軸線と適合できるガス絶縁スイッチギヤを得ることができる。 (5B) According to the fifth embodiment of the present invention, in any one of the configurations (1A) to (1C) in the first embodiment, the ground switch 4 housed in the metal hermetic container Since the center of the connection terminal 6c (see FIG. 3) provided in the device connection bushing 6 is arranged on the axis of the movable shaft 4b of the switchgear element having the disconnecting function and the grounding function, the gas insulation switch The connection structure from the device connection bushing 6 to the internal device elements inside the gear body 1 can be simplified, and the connection from the device connection bushing 6 to the outside can be smoothly accommodated to a request for position adjustment due to a dimensional error, etc. Moreover, it is possible to obtain a gas-insulated switchgear that can be adapted to the axis of the internal device element in which the connecting conductor of the device-connecting bushing 6 is housed in the gas-insulated switchgear body 1. Kill.

（５Ｃ）この発明による実施の形態５によれば、前記金属製密閉容器５に収納された接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の可動軸４ｂの軸線上に、前記機器接続用ブッシング６内に設けられた凸型部６ａを有する絶縁部材を形成する略円錐形の凹型部６ｂ（図３参照）の中心軸を配置したので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも機器接続用ブッシング６の絶縁部材の中心軸をガス絶縁スイッチギヤ本体１に収納した内部機器要素の軸線と適合できるガス絶縁スイッチギヤを得ることができる。 (5C) According to Embodiment 5 of the present invention, on the axis of the movable shaft 4b of the switchgear element having a disconnecting function and a grounding function comprising the grounding switch 4 housed in the metal hermetic container 5, Since the central axis of the substantially conical concave portion 6b (see FIG. 3) forming the insulating member having the convex portion 6a provided in the device connecting bushing 6 is disposed, the device inside the gas insulated switchgear body The connection structure from the connection bushing 6 to the internal device element can be simplified, and the connection from the device connection bushing 6 to the outside can be smoothly handled in response to a request for position adjustment due to a dimensional error or the like. Thus, it is possible to obtain a gas-insulated switchgear that can match the central axis of the insulating member with the axis of the internal device element housed in the gas-insulated switchgear main body 1.

実施の形態６．
この発明による実施の形態６を図１０について説明する。図１０は実施の形態６におけるガス絶縁スイッチギヤの構成を示す側面図である。
この実施の形態６において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１または実施の形態２における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 6 FIG.
A sixth embodiment of the present invention will be described with reference to FIG. FIG. 10 is a side view showing the configuration of the gas-insulated switchgear according to the sixth embodiment.
In the sixth embodiment, the configuration other than the specific configuration described here has the same configuration content as the configuration in the first embodiment or the second embodiment described above, and exhibits the same operation. It is. In the drawings, the same reference numerals indicate the same or corresponding parts.

図１０において、金属製密閉容器５の内部に収納された断路器３や接地開閉器４等の主回路機器の外部との電気的接続を行うため金属製密閉容器５の側方に気密に取付けられた機器接続用ブッシング６は、金属製密閉容器５内に収納している接地開閉器４の固定側端子４ｂの側方に配置し、また、上記接地開閉器４の水平に移動する可動子４ａの可動軸の軸線と機器接続用ブッシング６の中心部に設けられた接続端子６ｃの延在方向が一致するように配置している。さらに、接地開閉器４の水平に移動する可動子４ａの可動軸の軸線上に、前記機器接続用ブッシング６内に設けられた略円錐形の凹型部６ｂの中心軸が配置されている。
そして、機器接続用ブッシング６は架空電力線用ブッシング８とＬ形コネクタ９ｂを中間部分に有する可撓性を持つ接続導体９を介して接続されている。 10, in order to make an electrical connection with the outside of the main circuit equipment such as the disconnect switch 3 and the earthing switch 4 housed in the metal sealed container 5, it is airtightly attached to the side of the metal sealed container 5. The device connecting bushing 6 is disposed on the side of the fixed terminal 4b of the grounding switch 4 housed in the metal hermetic container 5, and the movable element moving horizontally of the grounding switch 4 is provided. The axis of the movable shaft 4a is arranged so that the extending direction of the connection terminal 6c provided at the center of the device connection bushing 6 is coincident. Further, on the axis of the movable shaft of the movable element 4a that moves horizontally of the ground switch 4, the central axis of the substantially conical concave portion 6b provided in the device connection bushing 6 is disposed.
The device connection bushing 6 is connected via an aerial power line bushing 8 and a flexible connection conductor 9 having an L-shaped connector 9b at an intermediate portion.

（６Ａ）この発明による実施の形態６によれば、遮断器２からなる遮断機能を具備する遮断機器要素と、断路器３または接地開閉器４からなる断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを絶縁性ガスを封入した接地された金属製密閉容器５に収納したスイッチギヤを並べて構成したガス絶縁スイッチギヤ本体を備え、前記遮断機器要素および開閉機器要素を架空電力線と接続するガス絶縁スイッチギヤにおいて、スイッチギヤ本体１を設置する基礎部１ａと共通の基礎部に前記スイッチギヤ本体１と並んで設けられ架空電力線接続用ブッシング８を支持する支持台７と、前記金属製密閉容器５の側部に少なくとも一端を前記金属製密閉容器５に挿入して設けられ前記遮断機器要素および開閉機器要素と接続され前記金属製密閉容器に収納された接地開閉器４からなる断路機能および接地機能を具備する開閉機器要素の固定側端子４ａの側方に配置した機器接続用ブッシング６とを設け、前記機器接続用ブッシング６と前記架空電力線接続用ブッシング８とを中間部分にＬ形コネクタ９ｂを有し可撓性を持つ接続導体９を介して接続するようにしたので、ガス絶縁スイッチギヤ本体１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応できるガス絶縁スイッチギヤを得ることができる。 (6A) According to Embodiment 6 of the present invention, a breaker device element having a breaker function including the breaker 2 and at least one of a disconnector function and a grounding function including the disconnector 3 or the ground switch 4 are provided. A gas-insulated switchgear main body comprising switchgears arranged in a grounded metal sealed container 5 filled with an insulating gas and arranged in an insulating gas is provided, and the shutoff device element and the switchgear element are connected to an overhead power line. In a gas-insulated switchgear, a support base 7 that is provided alongside the switchgear body 1 on a base part common to the base part 1a on which the switchgear body 1 is installed and supports the overhead power line connecting bushing 8, and the metal sealing The side of the container 5 is provided with at least one end inserted into the metal hermetic container 5 and connected to the shut-off device element and the switching device element. A device connection bushing 6 disposed on the side of the fixed side terminal 4a of the switchgear element having a disconnecting function and a grounding function, each of which includes a grounding switch 4 housed in a sealed container made of a metal. 6 and the above-described overhead power line connecting bushing 8 are connected via a flexible connecting conductor 9 having an L-shaped connector 9b in the middle portion thereof, for connecting devices inside the gas-insulated switchgear main body 1 It is possible to obtain a gas-insulated switchgear that can simplify the connection structure from the bushing 6 to the internal device elements and can smoothly respond to a request for position adjustment due to a dimensional error or the like in the connection from the device connection bushing 6 to the outside. .

実施の形態７．
この発明による実施の形態７を図１１について説明する。図１１は実施の形態７におけるガス絶縁スイッチギヤの構成を示す側面図である。
この実施の形態７において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 7 FIG.
A seventh embodiment of the present invention will be described with reference to FIG. FIG. 11 is a side view showing the configuration of the gas-insulated switchgear according to the seventh embodiment.
In the seventh embodiment, the configuration other than the specific configuration described here has the same configuration contents as the configuration in the first embodiment described above, and has the same function. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態７におけるガス絶縁スイッチギヤの構成を示す図１１において、機器接続用ブッシング６が設けられたガス絶縁スイッチギヤ本体１の金属製密閉容器５の側部を、機器接続用ブッシング６を取り付けるための開口部５ａが金属製密閉容器５の内部から見て側方斜め上方に開口するように屈折させて構成されている。
そして、金属製密閉容器５の開口部５ａに取り付けられた機器接続用ブッシング６は、湾曲部９ａを有する可撓性を持つ導体９を介して架空電力線接続用ブッシング８に接続されている。 In FIG. 11 showing the configuration of the gas-insulated switchgear according to the seventh embodiment of the present invention, the side portion of the metal hermetic container 5 of the gas-insulated switchgear body 1 provided with the device-connecting bushing 6 is connected to the device-connecting bushing. The opening 5a for attaching 6 is refracted so as to open obliquely upward in the lateral direction when viewed from the inside of the metal sealed container 5.
The device connection bushing 6 attached to the opening 5a of the metal hermetic container 5 is connected to the overhead power line connection bushing 8 via a flexible conductor 9 having a curved portion 9a.

この発明による実施の形態７では、機器接続用ブッシング６を結合した金属製密閉容器５の側板を、ブッシング６を取り付けるための開口部５ａが側方斜め上方に開口するように屈折させることにより、機器接続用ブッシング６ブッシング６の形状を複雑にすることなく、ケーブルなどの接続導体９における曲率の制限から決定される架空電力線接続用ブッシング８の位置に関し架空電力線接続用ブッシング８をスイッチギヤ本体１に近付けて配置することができる。   In the seventh embodiment according to the present invention, the side plate of the metal sealed container 5 to which the device connecting bushing 6 is coupled is refracted so that the opening 5a for attaching the bushing 6 opens obliquely upward on the side, Device connection bushing 6 Without making the shape of the bushing 6 complicated, the overhead power line connection bushing 8 is connected to the switchgear body 1 with respect to the position of the overhead power line connection bushing 8 determined from the limitation of the curvature of the connection conductor 9 such as a cable. Can be placed close to.

（７Ａ）この発明による実施の形態７によれば、実施の形態１の前記（１Ａ）項〜（１Ｃ）項ならびに実施の形態４における前記（４Ａ）項および（４Ｂ）項のいずれかにおいて、前記機器接続用ブッシング６を設けた前記金属製密閉容器５の側部を、前記機器接続用ブッシング６を取り付けるための開口部５ａが金属製密閉容器５の内部から見て側方斜め上方に開口するように屈折させているので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも機器接続用ブッシング６の形状を複雑にすることなく架空電力線接続用ブッシング８をスイッチギヤ本体１に近付けて配置できるガス絶縁スイッチギヤを得ることができる。 (7A) According to the seventh embodiment of the present invention, in any one of the items (1A) to (1C) in the first embodiment and the items (4A) and (4B) in the fourth embodiment, An opening 5a for attaching the device connection bushing 6 is opened obliquely upward to the side as seen from the inside of the metal airtight container 5 in the side portion of the metal airtight container 5 provided with the device connection bushing 6. Therefore, the connection structure from the device connection bushing 6 to the internal device element inside the gas insulated switchgear main body can be simplified, and the connection from the device connection bushing 6 to the outside may be caused by a dimensional error or the like. The switchgear body can accommodate the overhead power line connection bushing 8 without complicating the shape of the device connection bushing 6. It can be obtained a gas insulated switchgear that can be placed closer to.

実施の形態８．
この発明による実施の形態８を図１２について説明する。図１２は実施の形態８におけるガス絶縁スイッチギヤの構成を示す側面図である。
この実施の形態８において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態１における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 8 FIG.
An eighth embodiment according to the present invention will be described with reference to FIG. FIG. 12 is a side view showing the configuration of the gas-insulated switchgear according to the eighth embodiment.
In the eighth embodiment, the configuration other than the specific configuration described here has the same configuration as the configuration in the first embodiment described above, and has the same function. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態８におけるガス絶縁スイッチギヤの構成を示す図１２において、機器接続用ブッシング１６を設けた変圧器ＴＲの金属製密閉容器１６の側部を、機器接続用ブッシング１６を取り付けるための開口部１５ａが金属製密閉容器５の内部から見て側方斜め下方に開口するように屈折させて構成されている。   In FIG. 12 showing the configuration of the gas-insulated switchgear according to the eighth embodiment of the present invention, the appliance connecting bushing 16 is attached to the side of the metal hermetic container 16 of the transformer TR provided with the appliance connecting bushing 16. The opening portion 15a is refracted so as to open obliquely downward to the side when viewed from the inside of the metal hermetic container 5.

金属製密閉容器５の内部に収納された断路器３や接地開閉器４等の主回路機器の外部との電気的接続を行うため金属製密閉容器５の側方に気密に取付けられた機器接続用ブッシング６は、金属製密閉容器５内に収納している断路器３の固定側端子３ａの側方に配置し、また、上記断路器３の水平に移動する可動子３ｂの可動軸線とブッシング６の中心が一致するように配置している。
機器接続用ブッシング６は、金属製密閉容器５の内部に向かって略円錐形の凸型部６ａを外面に形成しこの凸型部６ａの内面に略円錐形の凹型部６ｂを有する絶縁部材により中心部に設けた接続端子６ｃを絶縁支持しており、金属製密閉容器５の開口部５ａに取り付けられている（図３参照）。
ガス絶縁スイッチギヤ本体１における金属製密閉容器５に設けられた機器接続用ブッシング６と変圧器ＴＲの金属製密閉容器１５に設けられた機器接続用ブッシング１６とは、湾曲部９ａを有する可撓性を持つ導体９によって接続されている。 Equipment connection that is airtightly attached to the side of the metal enclosure 5 for electrical connection with the outside of the main circuit equipment such as the disconnect switch 3 and the earthing switch 4 housed inside the metal enclosure 5 The bushing 6 is disposed on the side of the fixed terminal 3a of the disconnector 3 accommodated in the metal hermetic container 5, and the movable axis of the mover 3b that moves horizontally of the disconnector 3 and the bushing It arrange | positions so that the center of 6 may correspond.
The device connecting bushing 6 is formed of an insulating member having a substantially conical convex portion 6a formed on the outer surface toward the inside of the metal sealed container 5, and an inner surface of the convex portion 6a having a substantially conical concave portion 6b. The connection terminal 6c provided in the center is insulated and supported, and is attached to the opening 5a of the metal hermetic container 5 (see FIG. 3).
The device connection bushing 6 provided in the metal sealed container 5 in the gas insulated switchgear body 1 and the device connection bushing 16 provided in the metal sealed container 15 of the transformer TR are flexible having a curved portion 9a. Are connected by a conductive conductor 9.

（８Ａ）この発明による実施の形態８によれば、遮断機能を具備する遮断器２からなる遮断機器要素と、断路機能および接地機能の少なくとも一方を具備する断路器３または接地開閉器４からなる開閉機器要素とを絶縁性ガスを封入した接地された金属製密閉容器５に収納したガス絶縁スイッチギヤ本体１を備え、前記遮断機器要素および開閉機器要素を金属製密閉容器１５を有する変圧器ＴＲと接続するガス絶縁スイッチギヤにおいて、前記スイッチギヤ本体１と並んで設けられた前記変圧器ＴＲの金属製密閉容器１５の側部に少なくとも一端を前記金属製密閉容器１５に挿入して設けられた第１の機器接続用ブッシング１６と、前記スイッチギヤ本体１における前記金属製密閉容器５の側部に少なくとも一端を前記金属製密閉容器５に挿入して設けられ前記遮断機器要素および開閉機器要素と接続された第２の機器接続用ブッシング６とを設け、前記第１の機器接続用ブッシング１６と前記第２の機器接続用ブッシング６とを湾曲部９ａを有する可撓性を持つ導体９を介して接続するようにしたので、ガス絶縁スイッチギヤ本体内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも変圧器ＴＲにおける単純な構成の機器接続用ブッシング１６により内部機器要素を収納したガス絶縁スイッチギヤ本体１への接続を容易に行うことができる。 (8A) According to the eighth embodiment of the present invention, it comprises a breaker device element comprising a breaker 2 having a breaker function, and a disconnector 3 or a ground switch 4 having at least one of a disconnector function and a grounding function. A transformer TR having a gas-insulated switchgear body 1 in which a switchgear element is housed in a grounded metal sealed container 5 filled with an insulating gas, and the circuit breaker element and the switchgear element are provided with a metal sealed container 15. The gas insulated switchgear connected to the switchgear body 1 is provided with at least one end inserted into the metal sealed container 15 on the side of the metal sealed container 15 of the transformer TR provided side by side with the switchgear body 1. At least one end of the first device connection bushing 16 and the side portion of the metal sealed container 5 in the switchgear main body 1 are inserted into the metal sealed container 5. A second device connection bushing 6 connected to the shut-off device element and the switching device element is provided, and the first device connection bushing 16 and the second device connection bushing 6 are curved. Since the connection is made through the flexible conductor 9 having the portion 9a, the connection structure from the device connection bushing 6 to the internal device element in the gas insulated switchgear main body can be simplified, and the device connection A gas-insulated switchgear main body 1 which can smoothly respond to a request for position adjustment due to a dimensional error or the like in connection from the bushing 6 to the outside, and which houses internal device elements by a device connection bushing 16 having a simple configuration in the transformer TR. Can be easily connected.

実施の形態９．
この発明による実施の形態９を図１３について説明する。図１３は実施の形態９におけるスイッチギヤの構成を示す側面図である。
この実施の形態９において、ここで説明する特有の構成以外の構成については、先に説明した実施の形態３における構成と同一の構成内容を具備し、同様の作用を奏するものである。図中、同一符号は同一または相当部分を示す。 Embodiment 9 FIG.
A ninth embodiment of the present invention will be described with reference to FIG. FIG. 13 is a side view showing the configuration of the switchgear in the ninth embodiment.
In the ninth embodiment, the configuration other than the specific configuration described here has the same configuration contents as the configuration in the third embodiment described above, and exhibits the same operation. In the drawings, the same reference numerals indicate the same or corresponding parts.

この発明による実施の形態９におけるスイッチギヤの構成を示す図１３において、スイッチギヤ本体１１と並んで配設された変圧器ＴＲは金属製密閉容器１５を有し、機器接続用ブッシング１６を設けた変圧器ＴＲの金属製密閉容器１５の側部を、前記機器接続用ブッシング１６を取り付けるための開口部が側方斜め下方に開口するように屈折させて構成されている。   In FIG. 13 showing the configuration of the switchgear according to the ninth embodiment of the present invention, the transformer TR arranged side by side with the switchgear main body 11 has a metal hermetic container 15 and a bushing 16 for connecting devices. A side portion of the metal sealed container 15 of the transformer TR is refracted so that an opening for attaching the device connecting bushing 16 opens obliquely downward on the side.

スイッチギヤ本体１１内には遮断器２，断路器３，接地開閉器４などの主回路機器を固体絶縁物１２でモールドし、固体絶縁物１２の外面を接地された導電層１２ａで覆った主回路部を配置し、固体絶縁物１２の側方に略円錐形の窪んだ接続導体接続部１２ｂを有し、固体絶縁物１２内に埋設された断路器３または接地開閉器４に接続された接続端子１２ｃを埋設している。
接続導体接続部１２ｂは、固体絶縁物１２の側方に略円錐形の凹部を形成して設けられ、接続端子１２ｃと機器接続用ブッシング６の中心部に設けられた接続導体９への接続端子６ｃを機械的に結合し、かつ、電気的に接続している（図６参照）。
スイッチギヤ本体１１に設けられた機器接続用ブッシング６は湾曲部９ａを有する可撓性を持つ導体９を介して変圧器ＴＲの機器接続用ブッシング１６に接続されている。 In the switchgear body 11, main circuit devices such as a circuit breaker 2, a disconnector 3, a ground switch 4 are molded with a solid insulator 12, and the outer surface of the solid insulator 12 is covered with a grounded conductive layer 12a. The circuit portion is arranged, and has a connection conductor connecting portion 12b that is substantially conical and recessed on the side of the solid insulator 12, and is connected to the disconnector 3 or the ground switch 4 embedded in the solid insulator 12. The connection terminal 12c is embedded.
The connection conductor connection portion 12b is provided with a substantially conical recess formed on the side of the solid insulator 12, and a connection terminal to the connection conductor 12 provided at the center of the connection terminal 12c and the device connection bushing 6. 6c is mechanically coupled and electrically connected (see FIG. 6).
The device connection bushing 6 provided in the switchgear body 11 is connected to the device connection bushing 16 of the transformer TR through a flexible conductor 9 having a curved portion 9a.

この発明による実施の形態９では、変圧器ＴＲにおける金属製密閉容器１５の側方に設ける機器接続用ブッシング１６の開口部１５ａを金属製密閉容器１５の内部から見て側方斜め下方のみに開口させることにより、機器接続用ブッシング１６の構造を単純な構造にできる。   In the ninth embodiment according to the present invention, the opening 15a of the device connection bushing 16 provided on the side of the metal sealed container 15 in the transformer TR is opened only obliquely below the side as viewed from the inside of the metal sealed container 15. By doing so, the structure of the device connection bushing 16 can be made simple.

（９Ａ）この発明による実施の形態９によれば、遮断器２からなる遮断機能を具備する遮断機器要素と、断路器３または接地開閉器４からなる断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを固体絶縁物１２でモールドし、前記モールドされた固体絶縁物１２の外面に導電層１２ａを設け、この導電層１２ａを接地電位に接続して構成したスイッチギヤ本体１１を備え、前記遮断機器要素および開閉機器要素を金属製密閉容器１５を有する変圧器ＴＲと接続するスイッチギヤにおいて、前記スイッチギヤ本体１１と並んで設けられた前記変圧器ＴＲの金属製密閉容器１５の側部に少なくとも一端を前記金属製密閉容器１５に挿入して設けられた第１の機器接続用ブッシング１６と、前記固体絶縁物１２の側部に設けられ側方または側方斜め上方に開口する開口部に少なくとも一端を挿入して設けられた前記遮断機器要素および開閉機器要素と接続された第２の機器接続用ブッシング６とを設け、前記第１の機器接続用ブッシング１６と前記第２の機器接続用ブッシング６とを湾曲部９ａを有する可撓性を持つ導体９を介して接続するようにしたので、ガス絶縁スイッチギヤ本体１１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも変圧器ＴＲにおける単純な構成の機器接続用ブッシング１６により固体絶縁物１２からなる内部機器要素を収納したスイッチギヤ本体１１への接続を容易に行うことができる。 (9A) According to the ninth embodiment of the present invention, a breaker device element having a breaker function including the breaker 2 and at least one of a disconnector function and a grounding function including the disconnector 3 or the ground switch 4 are provided. A switchgear body 11 formed by molding a switchgear element with a solid insulator 12, providing a conductive layer 12 a on the outer surface of the molded solid insulator 12, and connecting the conductive layer 12 a to a ground potential; In a switchgear for connecting the breaking device element and the switching device element to the transformer TR having the metal hermetic container 15, the side portion of the metal hermetic container 15 of the transformer TR provided side by side with the switchgear body 11. Are provided on the side of the solid insulator 12 and a first device connection bushing 16 provided with at least one end inserted into the metal sealed container 15. A second device connecting bushing 6 connected to the shut-off device element and the switching device element provided by inserting at least one end into an opening that opens obliquely upward or laterally, and the first device Since the connection bushing 16 and the second device connection bushing 6 are connected via the flexible conductor 9 having the curved portion 9a, the device connection bushing inside the gas insulated switchgear main body 11 is provided. The connection structure from 6 to the internal device elements can be simplified, and the connection from the device connection bushing 6 to the outside can be smoothly responded to the request for position adjustment due to dimensional errors, etc., and the transformer TR has a simple structure. The device connection bushing 16 can be easily connected to the switchgear body 11 containing the internal device elements made of the solid insulator 12. That.

（９Ｂ）この発明による実施の形態９によれば、実施の形態８における前記（８Ａ）項および実施の形態９における前記（９Ａ）項における構成において、前記機器接続用ブッシング１６を設けた変圧器ＴＲにおける前記金属製密閉容器１５の側部を、前記機器接続用ブッシング１６を取り付けるための開口部１５ａが前記金属製密閉容器１５の内部から見て側方斜め下方に開口するように屈折させているので、スイッチギヤ本体１１内部における機器接続用ブッシング６から内部機器要素への接続構造を単純化できるとともに、機器接続用ブッシング６から外部への接続において寸法誤差等による位置調整の要請にも円滑に対応でき、しかも機器接続用ブッシング６ブッシング６の形状を複雑にすることなく変圧器ＴＲをスイッチギヤ本体１に近付けて配置できるスイッチギヤを得ることができる。 (9B) According to the ninth embodiment of the present invention, the transformer provided with the device connection bushing 16 in the configuration in the above-mentioned item (8A) in the eighth embodiment and the above-mentioned item (9A) in the ninth embodiment The side portion of the metal sealed container 15 in the TR is refracted so that an opening 15a for attaching the device connection bushing 16 opens obliquely downward from the side when viewed from the inside of the metal sealed container 15. Therefore, the connection structure from the device connection bushing 6 to the internal device element in the switchgear main body 11 can be simplified, and the request for position adjustment due to a dimensional error or the like can be smoothly performed in the connection from the device connection bushing 6 to the outside. In addition, the transformer TR can be connected to the switch gear body without complicating the shape of the bushing 6. It can be obtained switchgear that can be placed closer to.

この発明による実施の形態１におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 1 by this invention. この発明による実施の形態１におけるスイッチギヤの構成を示す端面図である。It is an end elevation which shows the structure of the switchgear in Embodiment 1 by this invention. この発明による実施の形態１における機器接続用ブッシングの詳細構成を示す拡大側面である。It is an enlarged side view which shows the detailed structure of the bush for apparatus connection in Embodiment 1 by this invention. この発明による実施の形態２におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 2 by this invention. この発明による実施の形態３におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 3 by this invention. この発明による実施の形態３における機器接続用ブッシングの詳細構成を示す拡大側面図である。It is an enlarged side view which shows the detailed structure of the bush for apparatus connection in Embodiment 3 by this invention. この発明による実施の形態４におけるガス絶縁スイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the gas insulation switchgear in Embodiment 4 by this invention. この発明による実施の形態５におけるガス絶縁スイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the gas insulation switchgear in Embodiment 5 by this invention. この発明による実施の形態５におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 5 by this invention. この発明による実施の形態６におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 6 by this invention. この発明による実施の形態７におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 7 by this invention. この発明による実施の形態８におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 8 by this invention. この発明による実施の形態９におけるスイッチギヤの構成を示す側面図である。It is a side view which shows the structure of the switchgear in Embodiment 9 by this invention.

符号の説明Explanation of symbols

１ スイッチギヤ本体、１ａ スイッチギヤの基礎部、２ 遮断器、３ 断路器、４ 接地開閉器、４ｂ 接地開閉器の固定端子、５ 金属製密閉容器、６ ブッシング、７ 支持台、８ 架空電力線接続用ブッシング、８ａ 架空電力線接続用ブッシングの先端部、９ 接続導体、１０ 避雷器、１０ａ 避雷器の主回路側端子、１１ スイッチギヤ本体、１１ａ スイッチギヤの基礎部、１２ 固体絶縁物、１２ａ 導電層、１２ｂ 接続導体接続部、１２ｃ 接続端子、１３ 変流器、１４ 保護枠。
1 Switchgear body, 1a Switchgear base, 2 Breaker, 3 Disconnector, 4 Grounding switch, 4b Grounding switch fixed terminal, 5 Metal enclosure, 6 Bushing, 7 Support base, 8 Overhead power line connection Bushing, 8a Tip of overhead power line connection bushing, 9 Connection conductor, 10 Lightning arrester, 10a Main circuit side terminal of lightning arrester, 11 Switch gear body, 11a Switch gear base, 12 Solid insulator, 12a Conductive layer, 12b Connection conductor connection part, 12c connection terminal, 13 current transformer, 14 protective frame.

Claims (15)

遮断機能を具備する遮断機器要素と断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを絶縁性ガスを封入した接地された金属製密閉容器に収納したスイッチギヤ本体を備え、前記遮断機器要素および開閉機器要素を架空電力線と接続するスイッチギヤにおいて、前記スイッチギヤ本体と間隔を置いて並んで設けられた支持台と、前記支持台の上部に垂直方向に延在して配設される架空電力線接続用ブッシングと、前記金属製密閉容器の側部に少なくとも一端を前記金属製密閉容器に挿入して設けられ前記遮断機器要素および開閉機器要素と接続された機器接続用ブッシングとを設け、前記機器接続用ブッシングの他端と前記架空電力線接続用ブッシングの下端とを湾曲部を有し可撓性を持つ接続導体を介して接続することを特徴とするスイッチギヤ。 A switchgear body in which a shutoff device element having a shutoff function and a switchgear device element having at least one of a disconnection function and a grounding function are housed in a grounded metal hermetic container filled with an insulating gas, elements and switching devices elements in switch gear connected to the overhead power line, is arranged extending in the direction perpendicular to the support base which is provided side by side at a switch gear body and spacing, an upper portion of the support base An aerial power line connecting bushing, and a device connecting bushing that is provided by inserting at least one end of the metal sealed container into the metal sealed container and connected to the shut-off device element and the switching device element; It is connected through a connection conductor having a flexible and curved portion and a lower end of the overhead power line connecting bushing with the other end of the device-connecting bushings Switch gear, characterized. 遮断機能を具備する遮断機器要素と断路機能および接地機能の少なくとも一方を具備する開閉機器要素とを固体絶縁物でモールドし、前記モールドされた固体絶縁物の外面に導電層を設け、この導電層を接地電位に接続して構成したスイッチギヤ本体を備え、前記遮断機器要素および開閉機器要素を架空電力線と接続するスイッチギヤにおいて、前記スイッチギヤ本体と間隔を置いて並んで設けられた支持台と、前記支持台の上部に垂直方向に延在して配設される架空電力線接続用ブッシングと、前記固体絶縁物の側部に設けられ側方または側方斜め上方に開口する開口部に少なくとも一端を挿入して設けられ前記遮断機器要素および開閉機器要素と接続された機器接続用ブッシングとを設け、前記機器接続用ブッシングの他端と前記架空電力線接続用ブッシングの下端とを湾曲部を有し可撓性を持つ接続導体を介して接続することを特徴とするスイッチギヤ。 An interruption device element having an interruption function and an opening / closing device element having at least one of a disconnection function and a grounding function are molded with a solid insulator, and a conductive layer is provided on the outer surface of the molded solid insulator, and the conductive layer a switch gear body constituted by connecting to ground potential, the switch gear of the shut-off device elements and switching device elements connected to the overhead power line, a support base which is provided side by side at the switchgear body and spacing An aerial power line connecting bushing that extends vertically in the upper part of the support base, and at least one end in an opening that is provided on the side of the solid insulator and opens sideways or obliquely upward. insert the provided and the blocking device element and the connected device connection bushing and the opening and closing device element is provided, the overhead power and the other end of the device-connecting bushings Switchgear, characterized by connecting the lower end of the line-connecting bushings via the connecting conductor with a flexible and bending portion. 前記支持台は、前記スイッチギヤ本体を設置する基礎部と共通の基礎部上に設置したことを特徴とする請求項１または請求項２に記載のスイッチギヤ。 The support base, switchgear according to claim 1 or claim 2, characterized in that installed the base portion for installing the switchgear body on a common foundation. 前記機器接続用ブッシングは、前記金属製密閉容器の内部に向かって略円錐形の凸型部を表面に形成しこの凸型部の内面に略円錐形の凹型部を有する絶縁部材により中心部に設けた接続端子を絶縁支持することを特徴とする請求項１に記載のスイッチギヤ。 The device connecting bushing in the center by an insulating member having a concave portion of generally conical the convex portion of the substantially conical inner surface of the formed on the surface the convex portion toward the inside of the metal sealed container The switchgear according to claim 1 , wherein the provided connection terminal is insulated and supported. 前記金属製密閉容器の側部に設けられる前記機器接続用ブッシングを取り付けるための開口部が側方のみに開口することを特徴とする請求項１に記載のスイッチギヤ。 2. The switchgear according to claim 1 , wherein an opening for attaching the device connection bushing provided on a side portion of the metal hermetic container is opened only on the side. 前記金属製密閉容器の側部に設けられる前記機器接続用ブッシングを、前記金属製密閉容器に収納され互いに並設された断路機能を具備する開閉機器要素の固定側端子と断路機能および接地機能を具備する開閉機器要素の固定側端子と避雷器の主回路側端子の何れか一つの側方に配置したことを特徴とする請求項１または請求項５に記載のスイッチギヤ。 The device connection bushing provided on the side of the metal hermetic container is housed in the metal hermetic container and has a disconnecting function arranged in parallel with each other. The switchgear according to claim 1 or 5 , wherein the switchgear is disposed on one side of a fixed side terminal of the switchgear element provided and a main circuit side terminal of the lightning arrester. 前記金属製密閉容器の側部に設けられる前記機器接続用ブッシングを、前記金属製密閉容器に収納され互いに並設された断路機能を具備する開閉機器要素の可動軸、断路機能および接地機能を具備する開閉機器要素の可動軸、避雷器の主回路側端子の何れか一つの軸線上に、前記機器接続用ブッシング内に設けられた接続端子を延在して配置したことを特徴とする請求項１または請求項５に記載のスイッチギヤ。 The device connecting bushing provided on the side of the metal hermetic container is housed in the metal hermetic container and has a disconnecting function arranged in parallel with each other. The connecting terminal provided in the bushing for connecting the device is arranged to extend on one of the movable shaft of the switchgear element to be operated and the main circuit side terminal of the lightning arrester. Or the switchgear of Claim 5 . 前記金属製密閉容器の側部に設けられる前記機器接続用ブッシングを、前記金属製密閉容器に収納され互いに並設された断路機能を具備する開閉機器要素の可動軸、断路機能および接地機能を具備する開閉機器要素の可動軸、避雷器の主回路側端子の何れか一つの軸線上に、前記機器接続用ブッシング内に設けられた絶縁部材における略円錐形の凹型部の中心軸を配置したことを特徴とする請求項１または請求項５に記載のスイッチギヤ。 The device connecting bushing provided on the side of the metal hermetic container is housed in the metal hermetic container and has a disconnecting function arranged in parallel with each other. The central axis of the substantially conical concave portion in the insulating member provided in the device connecting bushing is arranged on any one of the movable shaft of the switching device element to be operated and the main circuit side terminal of the lightning arrester. The switchgear according to claim 1 or 5 , characterized in that 前記金属製密閉容器の側部に設けられた前記機器接続用ブッシングは、スイッチギヤ本体の前記金属製密閉容器に気密に結合されていることを特徴とする請求項１および請求項５から請求項７までのいずれかに記載のスイッチギヤ。 The device connecting bushing provided on the side of the metal closed vessel, according to claim from claim 1 and claim 5, characterized in that it is coupled hermetically to said metallic sealed container of the switchgear body The switchgear according to any one of 7 to 7 . 前記接続導体に装着される変流器を設けたことを特徴とする請求項１から請求項９までのいずれかに記載のスイッチギヤ。 The switchgear according to any one of claims 1 to 9, further comprising a current transformer attached to the connection conductor. 前記接続導体を、導体に絶縁被覆を施した絶縁ケーブルで構成したことを特徴とする請求項１から請求項１０までのいずれかに記載のスイッチギヤ。 The switchgear according to any one of claims 1 to 10 , wherein the connection conductor is constituted by an insulated cable having a conductor coated with an insulating coating. 前記接続導体を、外被を接地電位に保持される導電層で覆った絶縁母線で構成したことを特徴とする請求項１から請求項１０までのいずれかに記載のスイッチギヤ。 The switchgear according to any one of claims 1 to 10 , wherein the connection conductor is constituted by an insulating bus bar whose outer jacket is covered with a conductive layer held at a ground potential. 前記機器接続用ブッシングを設けたスイッチギヤ本体における前記金属製密閉容器の側部を、前記機器接続用ブッシングを取り付けるための開口部が側方斜め上方に開口するように屈折させていることを特徴とする請求項１および請求項５から請求項１２までのいずれかに記載のスイッチギヤ。 A side portion of the metal sealed container in the switchgear body provided with the device connection bushing is refracted so that an opening for attaching the device connection bushing is opened obliquely upward to the side. The switchgear according to any one of claims 1 and 5 to 12 . 前記機器接続用ブッシングを設けた変圧器における前記金属製密閉容器の側部を、前記機器接続用ブッシングを取り付けるための開口部が側方斜め下方に開口するように屈折させていることを特徴とする請求項１および請求項６から請求項１２のいずれかに記載のスイッチギヤ。 The side portion of the metal sealed container in the transformer provided with the device connection bushing is refracted so that an opening for attaching the device connection bushing is opened obliquely downward on the side. The switchgear according to any one of claims 1 to 6 to 12 . 前記スイッチギヤ本体の側方から架空電力線接続用ブッシングの下方までを、連続する保護パネル部材によって覆ったことを特徴とする請求項１および請求項２ならびに請求項５から請求項１０までのいずれかに記載のスイッチギヤ。 The side from the side of the switchgear main body to the lower part of the bush for connecting an aerial power line is covered with a continuous protective panel member, and any one of claims 1 to 2 and claims 5 to 10 Switchgear as described in
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