WO2013145358A1 - ガス絶縁スイッチギヤ - Google Patents
ガス絶縁スイッチギヤ Download PDFInfo
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- WO2013145358A1 WO2013145358A1 PCT/JP2012/069648 JP2012069648W WO2013145358A1 WO 2013145358 A1 WO2013145358 A1 WO 2013145358A1 JP 2012069648 W JP2012069648 W JP 2012069648W WO 2013145358 A1 WO2013145358 A1 WO 2013145358A1
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- cable
- gas
- insulated switchgear
- pressure tank
- chamber
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
Definitions
- This invention relates to the configuration of the gas insulated switchgear.
- the cable connection part for pulling in or sending out the main circuit to / from the switch gear is configured only on the front side or the rear side of the switch gear. For this reason, when it is necessary to use a single switchgear to pull in and send out the main circuit with a cable, it is necessary to arrange the connection parts of multiple cables in a stacked state in the height direction of the switchgear. In response, the height of the switchgear is increased (see, for example, Patent Document 1).
- JP 2007-236036 pages 4-5, 7-8, FIG. 1, FIG. 2
- Japanese Utility Model Publication No. 2-037506 (FIGS. 1 and 2)
- the present invention has been made to solve the above-described problems, and an object thereof is to obtain a gas-insulated switchgear that can reduce the installation area and the installation height.
- a gas-insulated switchgear includes a pressure tank in which a circuit breaker of a switchgear and a connection conductor are housed together with an insulating gas, an operation mechanism that is mounted on one surface of the pressure tank and opens and closes the circuit breaker, A first cable connection portion that is attached to the one surface of the pressure tank and connected to the connection conductor, and is attached to the other surface of the pressure tank that is parallel to the direction connecting the operation mechanism and the circuit breaker. And a second cable connecting portion to be connected.
- the first cable connection chamber is arranged on the first side surface
- the second cable connection chamber is arranged on the second side surface
- the first cable connection is arranged.
- a control chamber is disposed between one side of the chamber and one side of the second cable connection chamber.
- the gas insulation switchgear can be installed even in a place where the depth and width direction are limited.
- FIG. 4 is a plan sectional view of the gas-insulated switchgear of FIG. 2 viewed in the IV-IV direction.
- FIG. 5 is a side cross-sectional view of the gas insulated switchgear of FIG. 3 viewed in the VV direction. It is the sectional side view which changed the structure of FIG. 5 partially.
- FIG. 6 is a side sectional view in which the configuration of FIG. 5 is further partially changed. It is a front view which shows the gas insulation switchgear of Embodiment 2 of this invention.
- FIG. 9 is a plan sectional view of the gas-insulated switchgear of FIG. 8 viewed in the XX direction. It is a right view of the gas insulation switchgear by Embodiment 3 of this invention.
- FIG. 12 is a rear sectional view of the gas insulated switchgear of FIG.
- FIG. 5 is a plan sectional view corresponding to FIG. 4 and showing a gas insulated switchgear according to Embodiment 4 of the present invention.
- FIG. 1 is a perspective view of a gas-insulated switchgear according to Embodiment 1 for carrying out the present invention.
- FIGS. 2, 3, and 4 are a front view, a right side view, and an IV-IV in FIG.
- FIG. 5 is a side sectional view of the circuit breaker portion taken along the direction VV of FIG.
- the gas insulated switchgear 101 includes a pressure tank 2 that houses a circuit breaker 1 that encloses an insulating gas and closes / closes a main circuit, an operation mechanism 3 that opens and closes the circuit breaker 1, and the circuit breaker 1.
- the operation mechanism chamber 5 that houses the first cable 4 connected to one terminal, the cable chamber 7 that houses the second cable 6 connected to the other terminal of the circuit breaker 1, and the gas-insulated switchgear 101 are controlled.
- a control device (not shown) is housed, and is constituted by a control chamber 8 disposed between the operation mechanism chamber 5 and the cable chamber 7.
- a door 9 is provided on one surface of the control chamber 8, and the door 9 is rotated around a hinge portion (not shown) by releasing a locking portion (not shown) by rotating the handle 10.
- a cover 5 a is detachably attached to the side surface of the operation mechanism chamber 5, and a cover 7 a is detachably attached to the side surface of the cable chamber 7, and is fastened with screws 11.
- Reference numeral 12 denotes a pedestal that is installed below the pressure tank 2 and supports the pressure tank.
- reference numeral 13 denotes a cable terminal in which an insertion portion at the end of the first cable 4 and a connection bushing 15 connected to the main circuit conductor in the pressure tank 2 are integrated.
- Reference numeral 14 denotes a cable terminal in which an insertion portion at the end of the second cable 6 and a connection bushing (not shown) connected to the main circuit conductor in the pressure tank 2 are integrated.
- the cable terminals 13 and 14 the cable insertion direction and the main circuit connection direction are orthogonal to each other.
- 16 is a wall surface of the electric chamber, and the gas-insulated switchgear 101 is usually disposed adjacent to the wall surface.
- the door 9 is used as a door 9a at the first position on a hinge (not shown). Can be opened and closed.
- the door 9 is opened and closed by a hinge (not shown) as the door 9b in the second position. Install as possible.
- both the door 9a and the door 9b may be provided.
- the extension line of the right outer wall surface of the operation mechanism chamber 5 and the front side wall surface of the cable chamber 7 The control chamber 8 is arranged in a space surrounded by the extension line. That is, the control chamber 8 is disposed in the operation mechanism chamber 5 at the front side and the right corner of the cable chamber 7, the control chamber 8 is in contact with the operation mechanism chamber 5 at the back, and the left side of the control chamber 8 is connected to the cable chamber. 7 is arranged in contact with 7.
- the control chamber 8 is provided with the measurement and control wires provided between the operation mechanism chamber 5 and between the control chamber 8 and the cable chamber 7 according to the arrangement of the gas-insulated switchgear. Can be unified. Further, with the above-described configuration, the space portion surrounded by the extension line of the right outer wall surface of the operation mechanism chamber 5 and the extension line of the front side wall surface of the cable chamber 7 (that is, wasted space generated in a small space). ) As the control chamber 8, the gas insulating switch gear 101 can be configured in a small size.
- control chamber 8 If the control chamber 8 is not provided in the above-described space, it is necessary to dispose the control chamber 8 above or separately from the gas-insulated switchgear 101, resulting in a problem that the height of the apparatus is increased and the installation area is increased. Will occur.
- the back surface portion of the control chamber 8 is in contact with the operation mechanism chamber 5 and the left side surface portion of the control chamber 8 is in contact with the cable chamber 7 is shown. The same applies to the case where either one abuts, or when there is a certain distance rather than abutment.
- the pressure tank 2 encloses an insulating gas inside and houses switches such as the circuit breaker 1 and the three-position switch 18.
- the three-position switch 18 is a switch having both functions of a disconnect switch and a ground switch, and has functions of connection, disconnection, and ground.
- the left side of FIG. 5 houses the operation mechanism 3 of the circuit breaker 1 and the operation mechanism 19 of the three-position switch 18 in the upper half, and the first cable 4 drawn from the floor surface 17 in the lower half.
- a gantry 12 is arranged to support the pressure tank 2 from below.
- FIG. 5 shows the internal structure of the pressure tank 2 of the gas insulated switchgear 101.
- a vacuum valve 20 having a movable contact and a fixed contact in a vacuum vessel and opening and closing a main circuit is provided as a breaker of the breaker 1.
- the vacuum valve 20 is supported by an insulating frame 21 attached to a base plate 40 to which the operating mechanism 3 and the operating mechanism 19 are attached, and the movable contact of the vacuum valve 20 is outside the left side wall surface of the pressure tank 2 via the insulating rod 22.
- the attached operating mechanism 3 is driven to open and close in the horizontal direction in the figure.
- a three-position switch 18 having a function of connection, disconnection, and grounding is disposed above the circuit breaker 1.
- the three-position switch 18 is supported by an insulating frame 23 attached to the base plate 40.
- the insulating frame 23 has a cylindrical fixed contact 24 at the tip, a cylindrical intermediate electrode 26 that supports a rod-shaped movable contact 25 at the middle, and a ground contact 27 at the base.
- the movable contact 25 is opened and closed in the left-right direction in the figure by the operation mechanism 19 attached to the base plate 40 via the insulating rod 28, and is connected to the fixed contact by moving in the right direction to enter the main circuit connection state. In the disconnection state of the main circuit, moving to the left makes contact with the ground contact 27 to place the breaker 1 side in the ground state.
- a three-phase lead conductor 29 is drawn upward from the fixed contact 24 of the three-position switch, and is drawn in a direction orthogonal to the drawing sheet (in the depth direction of the drawing).
- Each lead conductor 29 for three phases is connected to the cable terminal 14 of FIG.
- the movable side terminal of the circuit breaker 1 and the intermediate electrode 26 of the three-position switch 18 are connected by a connection conductor 30, and further penetrate the fixed side terminal of the circuit breaker 1 and the left wall surface of the pressure tank 2.
- a connection conductor 31 connects between one ends of the connection bushing 15 provided. In this way, the main circuit between the cable terminal 13 and the cable terminal 14 is electrically connected via the circuit breaker 1 and the three-position switch 18.
- a lightning arrester 32 is disposed between the fixed-side terminal of the circuit breaker 1 and the pressure tank 2 at the upper right of the pressure tank. Furthermore, a current transformer 33 is arranged in the first cable 4 in the operation mechanism chamber 5.
- FIG. 5 shows a main circuit configuration for a single phase
- this apparatus is normally used in three phases, and a circuit for three phases is arranged in the depth direction of the drawing.
- the gas-insulated switchgear 101 is used for a connection portion between a generator of a wind power generator and an external power transmission line
- the first cable 4 is connected to the “drawing side” from the generator
- the second cable 6 is used. Is referred to as the “sending side” to the transmission line.
- the gas-insulated switchgear according to the present invention is configured such that the position of each connection portion for drawing in and feeding out the cable, and one connection portion on the mounting surface side of the switching device for the gas-insulated switchgear (first And the other connecting portion is provided in the direction perpendicular to the mounting surface of the opening / closing operation device and on the side portion (second side surface) of the gas-insulated switchgear.
- FIG. 6 shows a state in which the lightning arrester 32 is removed from the configuration of FIG. 5 in the first embodiment.
- the fixed contact 24 of the three-position switch 18 is connected by a lead conductor 29, the intermediate electrode 26 of the three-position switch 18 and the movable terminal of the circuit breaker 1 are connected by a connection conductor 30, and the fixed side of the circuit breaker 1 is further connected.
- a connection conductor 31 connects the terminal and the connection bushing 15.
- FIG. 7 shows a configuration obtained by further changing the configuration of FIG. 6, that is, a state in which the connection between the lead conductor 29, the three-position switch 18 and the circuit breaker 1 is changed.
- the intermediate electrode 26 of the three-position switch 18 is connected by a lead conductor 29, the fixed contact 24 of the three-position switch 18 and the fixed-side terminal of the circuit breaker 1 are connected by a connection conductor 30, and the movable side of the circuit breaker 1 is further connected.
- a connection conductor 31 connects the terminal and the connection bushing 15.
- one cable connection portion is provided below the operation mechanisms 3 and 19. Since the other cable connecting portion is arranged in the space portion and on the side portion orthogonal to the axis of the circuit breaker 1 from the operation mechanism 3, the overall size of the gas-insulated switchgear is made small. Therefore, it is possible to obtain a gas-insulated switchgear that can be installed in a narrow electric room. In addition, since the control room is placed between the two rooms that cover the two cable connections arranged in an orthogonal state, the overall size of the gas-insulated switchgear can be reduced by making effective use of the placement space.
- the two surfaces of the gas insulation switch gear 101 can be used selectively or both for maintenance or operation, and the rear surface of the gas insulation switch gear and the side surface not connected to the cable are adjacent to the building wall surface. It can be installed even in contact with the structure.
- FIG. 8 to 10 are views showing the gas-insulated switchgear 102 according to the second embodiment of the present invention.
- FIG. 8 is a front view
- FIG. 9 is a right side view of FIG. 8, and FIG. It is the plane sectional view seen in X direction.
- three cable terminals 14 a are connected to the three-phase lead conductors 29 (FIG. 5) via the side walls of the pressure tank 2.
- the two cable terminals 14a and 14b are connected to each other.
- the cable terminal 14b is connected to a back connection portion (details of the connection portion are not shown) of the cable terminal 14a.
- either one of the doors 9a and 9b of the control chamber 8 may be selectively provided according to the state of the electric chamber in which the gas insulating switch gear 102 is installed, or both the doors 9a and 9b may be provided.
- connection cable is a three-phase two-line
- the depth dimension is increased by the cable terminal 14b for one line as shown in FIG.
- the increase is slight, and a gas-insulated switchgear that can be installed in a narrow electric room can be obtained.
- FIG. FIG. 11 and FIG. 12 are a side view and a side sectional view of the gas insulated switchgear 103 according to the third embodiment of the present invention viewed in the AA direction.
- a pressure tank 36 having the same gas compartment as the pressure tank 2 is disposed.
- the parts that are not particularly denoted are the same as those in FIG. 3.
- the cable terminal 34 on the first cable 4 side is provided on the bottom plate of the pressure tank 2, and the tip of the first cable 4 rising upward from the floor surface 17 (FIG. 5) is inserted.
- FIG. 11 the parts that are not particularly denoted are the same as those in FIG. 3. 11
- the cable terminal 34 on the first cable 4 side is provided on the bottom plate of the pressure tank 2, and the tip of the first cable 4 rising upward from the floor surface 17 (FIG. 5) is inserted.
- the second pressure tank 36 is disposed on the upper left side of the pressure tank 2 so as to be in contact with the pressure tank 2, and the lead conductor 29 in the pressure tank 2 is drawn through the insulating spacer 37, thereby It is connected to a terminal conductor of a cable terminal 35 provided on the bottom plate of the tank 36.
- Two cable terminals 35 are provided side by side for each phase, and are connected in parallel by connection conductors 38.
- the second cable 6 rises upward from the floor surface 17 (FIG. 5) and is connected to the cable terminal 35.
- FIG. 12 is a rear cross-sectional view as viewed in the direction AA of FIG. 11, and the cable terminal 34 is attached in the pressure tank 2 with a connection opening penetrating through the bottom plate of the pressure tank 2.
- the stationary terminal at the tip of the circuit breaker 1 and the terminal conductor of the cable terminal 34 are connected by a connecting conductor 39. Since the cable terminal 34 needs to be mounted within the limited width of the pressure tank 2, the arrangement of the axial centers of the phase conductors is triangular when viewed from above, that is, on both sides of the R phase, S phase, and T phase.
- the R-phase and T-phase cable terminals 34a and 34c are arranged on the left side in FIG.
- the S-phase cable terminal 34b which is the central phase, is arranged on the right side in FIG. Is possible.
- the first cable 4 rises upward from the floor surface and is connected to the cable terminal 34.
- this connection work is performed by directly entering the gantry 12 from the operation mechanism chamber 5 on the left side of FIG.
- the third embodiment can be applied even when the connection direction of the cable terminal is the same as the rising direction of the cable.
- FIG. FIG. 13 is a view in which the mounting direction of the operation mechanism chamber is reversed left and right with respect to the configuration of FIG. 4 when viewed from the front of the gas-insulated switchgear. With this configuration, even when the wall surface of the electric chamber is arranged upside down with respect to FIG.
- the present invention is suitable for realizing a gas-insulated switchgear that can reduce the installation area and installation height.
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Abstract
Description
また、主回路の引き込み若しくは送り出し用のケーブル接続箇所がスイッチギヤ前方側と後方側の両方で行うものもあったが、ケーブル接続用のスペースをスイッチギヤの前側と後側の両方に確保するために、スイッチギヤの奥行き方向の大きさが大きくなっていた(例えば、特許文献2を参照)。
図1は、この発明を実施するための実施の形態1におけるガス絶縁スイッチギヤの斜視図であり、図2、図3、図4、はそれぞれ正面図、右側面図、図2のIV-IV断面平面図である。また図5は図3のV-V方向にみた遮断器部分の側断面図である。
ガス絶縁スイッチギヤ101は、内部に絶縁ガスを封入し主回路の閉路・閉路を行う遮断器1を収納する圧力タンク2と、前記遮断器1を開閉操作する操作機構3と前記遮断器1の一方の端子につながる第1のケーブル4を収納する操作機構室5と、前記遮断器1の他方の端子につながる第2のケーブル6を収納するケーブル室7と、このガス絶縁スイッチギヤ101を制御する制御装置(図示せず)を収納し、前記操作機構室5と前記ケーブル室7との間に配置された制御室8とから構成されている。制御室8の1面には扉9を備え、ハンドル10の回動にて係止部(図示せず)のロック状態を解除することで扉9はヒンジ部(図示せず)を中心に回動し制御室8内部の点検および遮断器1の開閉操作が可能となる。操作機構室5の側面はカバー5aが着脱可能に装着され、またケーブル室7の側面はカバー7aが着脱可能に装着されており、ねじ11で締結されている。また、12は圧力タンク2の下部に設置し前記圧力タンク支持する架台である。
また、図4において、16は電気室の壁面であり、ガス絶縁スイッチギヤ101は通常壁面に隣接して配置されている。この場合、圧力タンクに対して操作機構室5側をガス絶縁スイッチギヤ101の正面側として操作・監視に使用する場合は、扉9を第1の位置の扉9aとしてヒンジ(図示せず)にて開閉可能に取付ける。また、圧力タンクに対してケーブル室7側をガス絶縁スイッチギヤ101の正面側として操作・監視に使用する場合は、扉9を第2の位置の扉9bとしてヒンジ(図示せず)にて開閉可能に取付ける。ただし、上記のように扉9aまたは扉9bを選択的に設ける場合の他、扉9aと扉9bの両方を設ける場合もある。
このように配置することで、制御室8は操作機構室5との間、および制御室8とケーブル室7との相互間に設ける計測および制御用の電線を上記ガス絶縁スイッチギヤの配置によらず統一することが出来る。また、上記のような構成であれば、操作機構室5の右外側の壁面の延長線とケーブル室7の正面側壁面の延長線で囲まれた空間部(すなわち小さいスペースに生じた無駄な空間)を制御室8として使用することで、ガス絶縁スイッチギヤ101を小形に構成することが可能となる。もしも、制御室8を上記の空間内に設けない場合は、ガス絶縁スイッチギヤ101の上部に配置するもしくは別置きする必要があり、装置の高さが大きくなる、設置面積が大きくなるなどの問題が生じることになる。
また、上記の説明では、制御室8の背面部を操作機構室5に当接し、制御室8の左側面部をケーブル室7に当接した例を示したが、必ずしも両者を当接させる必要はなく、どちらか一方が当接する場合、また、当接ではなくある程度の距離がある場合でも同様である。
絶縁フレーム23は、先端部に筒状の固定接点24と、中間部に棒状の可動接点25を支持する筒状の中間電極26と、基部に接地接点27を保持している。可動接点25は、絶縁ロッド28を介してベース板40に取付けられた操作機構19にて図において左右方向に開閉駆動され、右方向移動で固定接点と接続して主回路接続状態となり、中間位置で主回路の断路状態、左方向移動で接地接点27と接触し遮断器1側を接地状態にする。三位置開閉器の固定接点24から上方に三相分の引出導体29が引き出され図面の紙面に直交方向(図面の奥方向)に引き出されている。三相分の各引出導体29は、図3のケーブルターミナル14にそれぞれ接続される。
また、遮断器1の可動側端子と三位置開閉器18の中間電極26とは、接続導体30で接続されており、さらに、遮断器1の固定側端子と圧力タンク2の左側壁面を貫通して設けた接続ブッシング15の一端の間を接続導体31で接続している。このようにして、ケーブルターミナル13とケーブルターミナル14の間の主回路は遮断器1および三位置開閉器18を介して電気的に接続される。
また、圧力タンクの右上方において、遮断器1の固定側端子と圧力タンク2の間に避雷器32を配置している。さらに、操作機構室5内では、第1のケーブル4に変流器33を配置している。
また、例えばガス絶縁スイッチギヤ101が、風力発電装置の発電機と外部の送電線との接続部に使用する場合、第1のケーブル4を発電機からの「引き込み側」、第2のケーブル6を送電線への「送り出し側」と称する。この表現によれば、この発明に係るガス絶縁スイッチギヤは、ケーブルの引き込みと送り出しの各接続部の位置を、一方の接続部をガス絶縁スイッチギヤの開閉操作装置の取付け面側(第1の側面)とし、他方の接続部を前記開閉操作装置の取付面に対して直行する方向で、かつガス絶縁スイッチギヤの側部(第2の側面)に設けたものである。
このような構成において、操作機構19の接地操作にて、可動接点25を図7の状態からさらに左方向に移動させると、可動接点25は接地接点27と接触し接地状態となる。この場合は、引出導体29側を接地させることが出来る。
また、直交状態に配置した2箇所のケーブル接続部を覆う2つの部屋の間に制御室を配置したので配置空間の有効活用を図ることにより、ガス絶縁スイッチギヤの全体的な大きさを小さく構成することが可能となり、狭い電気室内にも設置可能なガス絶縁スイッチギヤを得ることが出来る。
また、ガス絶縁スイッチギヤ101の2面を選択的に、あるいは両方を保守あるいは操作に使用可能としたので、また、ガス絶縁スイッチギヤの後面およびケーブルを接続しない側の側面を建物壁面や隣接する構造物と接した状態でも設置可能にすることができる。
図8から図10は、本発明の実施の形態2におけるガス絶縁スイッチギヤ102を示す図であり、図8は正面図、図9は図8の右側面図、図10は図8のX-X方向に見た平面断面図である。図において、ケーブル室7内では図2から図4と同様に、3つのケーブルターミナル14aが圧力タンク2の側壁を介して三相の引出導体29(図5)にそれぞれ接続している。
2つのケーブルターミナル14aおよび14bは相互に接続されている。ケーブルターミナル14bがケーブルターミナル14aの背面接続部(接続部の詳細は図示せず)に接続している。
図11および図12は、本発明の実施の形態3におけるガス絶縁スイッチギヤ103を示す側面図およびA-A方向にみた側断面図である。
ケーブル挿入方向と主回路接続方向が同一方向のケーブルターミナルを採用する場合、圧力タンク2とガス区画を同一とする圧力タンク36を配設したものである。
図11において、特に符合を付けない箇所は図3と同様である。図11において、第1のケーブル4側のケーブルターミナル34は、圧力タンク2の底板に設けられ、床面17(図5)から上方に立ち上がった第1のケーブル4の先端が挿入される。
また、図11において、圧力タンク2の左側上部に圧力タンク2に接するよう第2の圧力タンク36を配置し、絶縁スペーサ37を介して圧力タンク2内の引出導体29を引き込み、第2の圧力タンク36の底板に設けられたケーブルターミナル35の端子導体に接続している。ケーブルターミナル35は、各相毎に2個が並ぶように併設しており、接続導体38で並列に接続している。第2のケーブル6は、床面17(図5)から上方に立ち上がってケーブルターミナル35に接続される。
第1のケーブル4は床面から上方に立ち上り、ケーブルターミナル34に接続される。図12右側に壁や隣接機器が有る場合、この接続作業は、図12の左側の操作機構室5からそのまま架台12内に入って作業を行う。
図13は、ガス絶縁スイッチギヤの正面からみて、図4の構成に対して操作機構室の取付け方向を左右逆にしたものである。このように構成することで、電気室の壁面が図4に対して上下が逆の配置になっても、容易に対応することが可能となる。
Claims (7)
- ガス絶縁スイッチギヤに用いる開閉器と接続導体を絶縁ガスとともに内部に格納した圧力タンクと、前記圧力タンクの一面に装着し前記開閉器を開閉操作する操作機構と、前記圧力タンクの一面に装着し前記接続導体に接続する第1のケーブル接続部と、前記操作機構と前記開閉器を結ぶ方向に対して平行な前記圧力タンクの他面に装着し前記接続導体に接続する第2のケーブル接続部と、を備えたことを特徴とするガス絶縁スイッチギヤ。
- ガス絶縁スイッチギヤに用いる開閉器を絶縁ガスとともに格納した圧力タンクと、前記圧力タンクの一面に装着し前記開閉器を開閉操作する操作機構と、前記圧力タンクの一面に装着した第1のケーブル接続部と、前記操作機構と前記第1のケーブル接続部の外周を覆う操作機構室と、前記操作機構と前記開閉器を結ぶ方向に対して平行な前記圧力タンクの他面に装着した第2のケーブル接続部と、前記第2のケーブル接続部の外周を覆うケーブル室と、前記操作機構室の側部と前記ケーブル室の側部の双方の間に配置した制御室と、を備えたことを特徴とするガス絶縁スイッチギヤ。
- 前記制御室は、前記操作機構室の側部と前記ケーブル室の側部を繋いで双方の間に配置した、ものであることを特徴とする請求項2に記載のガス絶縁スイッチギヤ。
- 前記第1のケーブル接続部と前記第2のケーブル接続部のいずれか一方の面、あるいは双方の面をスイッチギヤの操作面としたことを特徴とする請求項1から請求項3のいずれか1項に記載のガス絶縁スイッチギヤ。
- 前記制御室は、前記ガス絶縁スイッチギヤの前記第1のケーブル接続部側又は前記第2のケーブル接続部側のいずれかの方向に向けた開口部を備え、前記開口部を扉で開閉可能に覆うようにしたことを特徴とする請求項2から請求項4のいずれか1項に記載のガス絶縁スイッチギヤ。
- 第1のケーブル接続部あるいは第1のケーブル接続部において、ケーブルターミナルを複数直列に接続して、複数のケーブルを接続可能としたことを特徴とする請求項1または請求項2に記載のガス絶縁スイッチギヤ。
- 第1のケーブル接続部あるいは第1のケーブル接続部において、ケーブルターミナルの接続方向をケーブル引込み方向にしたことを特徴とする請求項1、請求項2及び請求項6のいずれか1項に記載のガス絶縁スイッチギヤ。
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EP12873217.9A EP2833494B1 (en) | 2012-03-27 | 2012-08-02 | Gas-insulated switchgear |
US14/359,935 US9270094B2 (en) | 2012-03-27 | 2012-08-02 | Gas insulated switchgear |
DK12873217.9T DK2833494T3 (en) | 2012-03-27 | 2012-08-02 | GAS INSULATED DISTRIBUTION PLANT |
JP2014507310A JP5674995B2 (ja) | 2012-03-27 | 2012-08-02 | ガス絶縁スイッチギヤ |
CN201280064323.6A CN104040812B (zh) | 2012-03-27 | 2012-08-02 | 气体绝缘开关装置 |
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EP2738893B1 (en) * | 2011-07-29 | 2017-02-01 | Mitsubishi Electric Corporation | Closed distribution panel |
JP5875466B2 (ja) * | 2012-05-31 | 2016-03-02 | 株式会社日立製作所 | スイッチギヤまたはスイッチギヤの組立方法 |
US10290437B1 (en) | 2013-03-15 | 2019-05-14 | Innovative Switchgear IP, LLC | Interrupter spring guide assembly |
CN112514187A (zh) * | 2018-07-24 | 2021-03-16 | 三菱电机株式会社 | 气体绝缘开关装置 |
EP3671989A1 (en) * | 2018-12-19 | 2020-06-24 | ABB Schweiz AG | Three phase switchgear using single phase equipment in single casing |
CN112467594B (zh) * | 2020-10-30 | 2022-09-09 | 浙江高压开关厂有限公司 | 一种小型化真空环网开关柜 |
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DK2833494T3 (en) | 2017-05-01 |
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JP5674995B2 (ja) | 2015-02-25 |
EP2833494A1 (en) | 2015-02-04 |
CN104040812B (zh) | 2017-08-01 |
US9270094B2 (en) | 2016-02-23 |
US20140307366A1 (en) | 2014-10-16 |
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JPWO2013145358A1 (ja) | 2015-12-10 |
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