JP2588264B2 - Gas insulated switchgear - Google Patents
Gas insulated switchgearInfo
- Publication number
- JP2588264B2 JP2588264B2 JP63315120A JP31512088A JP2588264B2 JP 2588264 B2 JP2588264 B2 JP 2588264B2 JP 63315120 A JP63315120 A JP 63315120A JP 31512088 A JP31512088 A JP 31512088A JP 2588264 B2 JP2588264 B2 JP 2588264B2
- Authority
- JP
- Japan
- Prior art keywords
- common
- gantry
- insulated switchgear
- gas insulated
- foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 （産業上の利用分野） 本発明は、遮断器、断路器、接地開閉器、変流器およ
び避雷器を全て共通架台に載せたガス絶縁開閉装置に関
する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a gas-insulated switchgear in which a circuit breaker, a disconnector, a grounding switch, a current transformer, and an arrester are all mounted on a common mount. .
（従来の技術） 近年電力需要の増大化に伴い、ガス絶縁開閉装置は高
性能なものが要求されると共に、設置数の増加により発
変電所の敷地面積の問題から更に縮少化が要求されつつ
ある。最近は、縮少化に伴い、遮断器、断路器、接地開
閉器、変流器及び避雷器を共通架台に載せた一体化構成
のガス絶縁開閉装置が増えており、輸送の際の簡素化や
据付けの際の接続部の簡素化を図っている。(Prior art) In recent years, as the demand for electric power has increased, high performance gas insulated switchgear has been required, and further reduction has been required due to the problem of the site area of the substation due to the increase in the number of installations. It is getting. Recently, with the shrinkage, the number of integrated gas-insulated switchgear with circuit breakers, disconnectors, earthing switches, current transformers, and lightning arresters mounted on a common base has increased, which has simplified transportation. The connection part at the time of installation is simplified.
従来のガス絶縁開閉装置を基礎に設置するには、遮断
器、断路器、接地開閉器、変流器及び避雷器の各機器を
載置した共通架台を基礎に据えつけることによって行な
われる。しかし各機器と共通架台との固定は、機器の脚
部と共通架台とをボルト、座金およびナットの締めつけ
によって行なうものであり、この共通架台と基礎との固
定も、ボルト、座金およびナットの締めつけによって行
なわれる。すなわち、各機器と共通架台、共通架台と基
礎とは、いずれも金属同志の締めつけで行なわれる。The conventional gas-insulated switchgear is installed on a foundation by mounting a common base on which the respective devices such as a circuit breaker, a disconnecting switch, a grounding switch, a current transformer, and an arrester are mounted. However, each device is fixed to the common base by tightening bolts, washers and nuts between the legs of the device and the common base.Tightening the bolts, washers and nuts to the common base and fixing the base is also required. Done by That is, each of the devices and the common gantry, and the common gantry and the foundation are all tightened by metal.
（発明が解決しようとする課題） しかし絶縁開閉装置は、発変電所によっては積雪地や
その他の様々な気候の状況の地域に設置される。しかし
各機器は共通架台を含めて金属を使用して構成されるの
が一般的であるが、金属には熱による伸縮性を有してい
る。その為、日射を受けた場合、日射を受けた部分は、
温度上昇して熱伸びを生じ、日射を受けてない部分は、
さほど温度上昇はしないため熱伸びはしない。(Problems to be Solved by the Invention) However, insulated switchgears are installed in snowy areas and other various climatic areas depending on the substation. However, each device is generally configured using a metal including a common gantry, but the metal has elasticity due to heat. Therefore, if you receive solar radiation,
The temperature rise causes thermal elongation, and the part that is not receiving solar radiation,
Since the temperature does not rise so much, there is no thermal expansion.
その結果、放置中のガス絶縁開閉装置においては、日
射部分と日陰部分との間で温度バランスによる熱伸縮差
が発生する。そのため、各ユニットを接続固定している
部分での熱伸縮差による力が締付力に打ち勝つと、部材
間で微少なずれを生じその時に摩擦による間欠音を発生
する。また、熱伸縮差によるずれを生じた状態から日射
がなくなって冷されると、各部材は縮む、結果、各部材
間で縮み差が生じる。その際も同様に部材間に摩擦によ
る間欠音が発生する可能性がある。As a result, in the gas insulated switchgear during standing, a difference in thermal expansion and contraction occurs between the solar radiation part and the shade part due to temperature balance. Therefore, if the force due to the difference in thermal expansion and contraction at the portion where each unit is connected and fixed overcomes the tightening force, a slight displacement occurs between the members, and at that time, an intermittent sound due to friction is generated. Further, when the solar radiation disappears from the state where the displacement due to the difference in thermal expansion and contraction occurs and the member is cooled, each member contracts, and as a result, a difference in contraction occurs between the members. Also in this case, there is a possibility that an intermittent sound is generated between the members due to friction.
設置したガス絶縁開閉装置の場合、前記間欠音が発生
する可能性が高いのは、遮断器、断路器、接地開閉器、
及び避雷器等の各ユニットと共通架台との間及び共通架
台と基礎との間である。また前記間欠音は機器の動作時
の異常音や他の不具合現象音と区別がつかないため、保
守上問題であった。In the case of the installed gas insulated switchgear, the possibility that the intermittent sound is generated is high,
And between each unit such as a lightning arrester and the common gantry and between the common gantry and the foundation. Further, the intermittent sound is indistinguishable from an abnormal sound at the time of operation of the device or another malfunction sound, which is a problem in maintenance.
本発明の目的は、温度変化による金属の熱伸縮の際に
接触面に生じる間欠音を防止したガス絶縁開閉装置を提
供することにある。An object of the present invention is to provide a gas insulated switchgear which prevents intermittent noise generated on a contact surface when a metal thermally expands and contracts due to a temperature change.
（課題を解決するための手段） 本発明のガス絶縁開閉装置は、遮断器、断路器、接地
開閉器、変流器および避雷器などの各機器を載置した共
通架台を有し、その各機器の脚部と共通架台との各接触
面および共通架台と基礎との接触面のうち、前記並置さ
れた各機器のほぼ中央部を占める機器の脚部と共通架台
および共通架台と基礎とは金属同志の締付固定部とし
て、残りの各機器の脚部と共通架台および共通架台と基
礎との接触面に低摩擦係数のシートを介挿した締付固定
部としたことを特徴とするものである。(Means for Solving the Problems) The gas insulated switchgear of the present invention has a common gantry on which devices such as a circuit breaker, disconnector, ground switch, current transformer, and lightning arrestor are mounted, and each of the devices Of the contact surfaces between the legs and the common gantry, and the contact surfaces between the common gantry and the foundation, the legs, the common gantry, and the common gantry and the foundation of the equipment occupying almost the center of each of the juxtaposed devices are metal. The fastening parts of the competitors are characterized in that they have a low-friction coefficient sheet interposed between the legs of each of the remaining devices, the common frame, and the contact surface between the common frame and the foundation. is there.
（作 用） 本発明は並置された各機器のほぼ中央部の機器の脚部
と共通架台との接触面は金属同志の締付固定部とし、そ
の他の脚部と共通架台との接触面には低摩擦係数のシー
トを介挿した締付固定部としている。このため金属の熱
伸縮の際には、金属同志の摺動によって発生する間欠音
を抑制することができる。また熱伸縮による機器、共通
架台における相対的な移動をシートのない固定部で防止
することができ、ボルトに剪断力が加わらない。(Operation) According to the present invention, the contact surface between the foot of the device and the common frame in the substantially central portion of the juxtaposed devices is a metal fixed fastening portion, and the contact surface between the other leg and the common frame is provided. Is a fastening part with a low friction coefficient sheet interposed therebetween. For this reason, at the time of thermal expansion and contraction of metal, intermittent sound generated by sliding between metals can be suppressed. Further, relative movement of the device and the common frame due to thermal expansion and contraction can be prevented by the fixed portion having no sheet, and no shearing force is applied to the bolt.
（実施例） 以下本発明を図面に示す実施例を参照して説明する。
まず第１図に示す本発明のガス絶縁開閉装置において
は、遮断器１を横置きして脚部２を介して共通架台３の
右側部に取りつける。この遮断器１の図示右端に遮断器
操作箱４を担持に、さらにその付近に変流器5aおよびブ
ッシング６を直立させている。(Examples) The present invention will be described below with reference to examples shown in the drawings.
First, in the gas insulated switchgear of the present invention shown in FIG. 1, the circuit breaker 1 is placed horizontally and attached to the right side of the common base 3 via the leg 2. A circuit breaker operation box 4 is carried on the right end of the circuit breaker 1 in the figure, and a current transformer 5a and a bushing 6 are set upright in the vicinity thereof.
さらにこの遮断器１の図示左端に変流器5bを連結し、
さらに断路器７が一体に結合して接続されている。この
断路器７は同一タンクの中に断路器中身および接地開閉
器を内蔵して構成されるもので、そのタンク７の側面に
断路器操作箱7aおよび接地開閉器操作箱7bが取りつけら
れている。Further, a current transformer 5b is connected to the left end of the circuit breaker 1 in the figure,
Further, a disconnector 7 is integrally connected. The disconnector 7 has a disconnector operation box 7a and a grounding switch operation box 7b mounted on the side of the tank 7 with the disconnector contents and a grounding switch incorporated in the same tank. .
またこの断路器・接地開閉器７は、脚部８を介して共
通架台３に取りつけられ、その上部にブッシング９を設
けている。さらに断路器７のブッシング９側に避雷器10
が直結されており、その側面の避雷器操作箱11が取りつ
けられ、全体を脚部12により共通架台３に据えつけられ
ている。The disconnector / grounding switch 7 is attached to the common base 3 via the leg 8 and a bushing 9 is provided on the upper part thereof. Further, a lightning arrester 10 is mounted on the bushing 9 side of the disconnector 7.
The lightning arrester operation box 11 on the side is mounted, and the whole is mounted on the common gantry 3 by the legs 12.
しかして、本発明においては、このガス絶縁開閉装置
において、遮断器脚部２、断路器脚部８および避雷器脚
部12と共通架台３との固定関係とこの共通架台３と基礎
13との固定関係とに特徴ずけしたものである。According to the present invention, in the gas insulated switchgear, the fixed relationship between the circuit breaker leg 2, the disconnector leg 8, the lightning arrester leg 12, and the common mount 3, and the common mount 3 and the basic
It is characterized by its fixed relationship with 13.
すなわち、本発明のガス絶縁開閉装置の殆んどの脚部
と共通架台３との固定部Ａは、第２図に示すように脚部
２と共通架台３との間および共通架台３と基礎13との間
に低摩擦係数のシート14を挿入してボルト15、ワッシャ
16およびナット17で締めつけて固定する。また例えばガ
ス絶縁開閉装置の長手方向の略と中央部分に位置する脚
部２と共通架台３および共通架台３と基礎13との固定部
Ｂは、第３図に示すようにシート14を介せずに金属同志
をボルト15、ワッシャ16およびナット17で締めつけ固定
することを特徴としている。That is, as shown in FIG. 2, the fixing portion A between most of the legs of the gas insulated switchgear of the present invention and the common gantry 3 is located between the legs 2 and the common gantry 3 and between the common gantry 3 and the base 13. Insert a sheet 14 with a low coefficient of friction between the bolt 15 and the washer.
Tighten with 16 and nut 17 to fix. Further, for example, the leg 2 and the common base 3 and the fixing part B between the common base 3 and the foundation 13 which are located substantially and centrally in the longitudinal direction of the gas insulated switchgear are interposed with a sheet 14 as shown in FIG. Instead, the metal members are fastened and fixed with bolts 15, washers 16 and nuts 17.
なお、この低摩擦係数のシート14としては、ポリカー
ボネート、弗化エチレン樹脂などの工業用プラスチック
に軸受用合金などの特に摩擦係数の低い金属の板等を使
用するものである。As the sheet 14 having a low coefficient of friction, a metal plate having a particularly low coefficient of friction, such as a bearing alloy, or an industrial plastic such as polycarbonate or fluoroethylene resin is used.
次にこのように構成された本発明のガス絶縁開閉装置
の作用について説明する。ガス絶縁開閉装置は、外周温
度および日差しによる日当りや日陰けによって脚部2,8,
12と共通架台10とが熱伸縮を生じた場合、固定部Ｂの接
触面は固定端をなし、固定部Ａの接触面はシート14,14
により互いに接触をなし、金属同志の滑らかな摺動によ
って間欠音を発生しない構成となっている。Next, the operation of the gas insulated switchgear of the present invention thus configured will be described. The gas insulated switchgear is installed on the legs 2,8,
When thermal expansion and contraction occur between the base 12 and the common base 10, the contact surface of the fixed part B forms a fixed end, and the contact surface of the fixed part A is the sheets 14, 14.
, So that intermittent noise is not generated by smooth sliding between metals.
この低摩擦係数のシート14を全ての固定部A,Bに挿入
することで間欠音の発生は防止することが可能である
が、この各々の固定部A,Bにおいては、熱伸縮差が生
じ、相対的に移動をくり返す間に特定のボルト15を剪断
力が作用して破壊にいたらしめ、かつ当った際に音を発
するおそれがある。It is possible to prevent the generation of intermittent noise by inserting the sheet 14 having a low coefficient of friction into all the fixed parts A and B, but in each of the fixed parts A and B, a difference in thermal expansion and contraction occurs. However, there is a possibility that a specific bolt 15 is subjected to a shearing force while being relatively moved repeatedly, causing the specific bolt 15 to break, and generating a sound when hitting.
このため、本発明においては、多数の箇所にある固定
部の中から特定の固定部Ｂを選定してここの接触面に低
摩擦係数のシート14を設けず、金属同志の接触になる固
定部を設けることにより、ボルト15への剪断力を減少
し、併せてボルトの破壊、間欠音の発生の防止を図った
ものである。For this reason, in the present invention, a specific fixing portion B is selected from a large number of fixing portions and a sheet 14 having a low coefficient of friction is not provided on the contact surface here, and the fixing portion which makes contact between metals is provided. By providing such a structure, the shearing force on the bolt 15 is reduced, and at the same time, the breakage of the bolt and the generation of intermittent noise are prevented.
また本発明のガス絶縁開閉装置において、熱伸縮にお
ける金属距離と変位量との関係を第４図に示してある。
この第４図において、０点は第１図におけるシート14の
ない固定部Ｂで、ボルト15、基礎ボルト15に相当する位
置である。この０点を固定点として左右に距離が移動す
るにしたがって変位量が増していく比例した特性にあ
る。このためシート14を設けない固定部Ｂを例えば第１
図のガス絶縁開閉装置の右端又は左端に設けた場合より
最大変位量が約半分になることがわかる。FIG. 4 shows the relationship between the metal distance and the amount of displacement in thermal expansion and contraction in the gas insulated switchgear of the present invention.
In FIG. 4, a point 0 is a fixing portion B without the seat 14 in FIG. 1, and is a position corresponding to the bolt 15 and the base bolt 15. With this zero point as a fixed point, there is a proportional characteristic that the displacement increases as the distance moves left and right. For this reason, for example, the fixing portion B without the sheet 14 is
It can be seen that the maximum displacement is about half that of the gas-insulated switchgear shown in FIG.
以上のように本発明において、遮断器、断路器、接地
開閉器、変流器および避雷器などの各機器を載置した共
通架台を有し、その各機器の脚部と共通架台との各接触
面および共通架台と基礎との接触面のうち、並置された
各機器のほぼ中央部分を占める脚部と共通架台は金属同
志の締付固定部とし、残りの各機器の脚部と共通架台お
よび共通架台と基礎との接触面に低摩擦係数のシートを
挿入した締付固定部としたことにより、金属の熱伸縮に
おける摺動をシートで受け、金属同志又は金属と基礎と
の間を滑らかにし、間欠音の発生を防止することが可能
となる。さらに低摩擦係数のシートを挿入しない固定部
の存在により、熱伸縮を円滑に滑らせて行なわれ、機器
と共通架台との相対的な移動を防ぎ、特定ボルトに加わ
る剪断力を防止してボルトの破壊を防ぐことができる。As described above, in the present invention, a common mount on which each device such as a circuit breaker, disconnector, ground switch, current transformer, and lightning arrester is mounted is provided, and each contact between the leg of each device and the common mount is provided. Of the surface and the contact surface between the common gantry and the foundation, the legs and the common gantry that occupy almost the center of each juxtaposed device are tightened and fixed parts of metal, and the legs of the remaining devices and the common gantry and By using a fastening part with a low-friction coefficient sheet inserted into the contact surface between the common gantry and the foundation, the sheet receives sliding during thermal expansion and contraction of the metal, and smoothes between the metals or between the metal and the foundation. , It is possible to prevent the generation of intermittent sounds. Furthermore, due to the presence of the fixed part that does not insert a sheet with a low friction coefficient, thermal expansion and contraction is performed smoothly, preventing relative movement between equipment and the common base, and preventing shearing force applied to specific bolts Can be prevented from being destroyed.
第１図は本発明のガス絶縁開閉装置の一実施例を示す正
面図、第２図および第３図は第１図の固定部をそれぞれ
拡大して示す断面図、第４図は金属の熱伸縮における変
位量を示す特性図である。 １……遮断器、３……共通架台 5,5a……変流器、6,9……ブッシング ７……接地開閉器・断路器 10……避雷器、13……基礎 1A……低摩擦係数シート 2,8,12……機器の脚部 Ａ……トートあり固定部 Ｂ……シートなし固定部FIG. 1 is a front view showing an embodiment of the gas insulated switchgear of the present invention, FIGS. 2 and 3 are cross-sectional views each showing an enlarged view of a fixing portion of FIG. 1, and FIG. It is a characteristic view which shows the displacement amount in expansion and contraction. 1… Circuit breaker, 3… Common mount 5,5a… Current transformer, 6,9… Bushing 7… Ground switch / disconnector 10… Lightning arrester, 13… Basic 1A …… Low friction coefficient Seat 2,8,12… Leg part of device A… Fixed part with tote B …… Fixed part without seat
Claims (1)
び避雷器などの各機器を載置した共通架台を有し、その
各機器の脚部と共通架台との各接触面および共通架台と
基礎との接触面のうち、前記並置された各機器のほぼ中
央部を占める機器の脚部と共通架台および共通架台と基
礎とは金属同志の締付固定部とし、残りの各機器の脚部
と共通架台および共通架台と基礎との接触面間に低摩擦
係数のシートを介挿した締付固定部としたことを特徴と
するガス絶縁開閉装置。1. A common frame on which devices such as a circuit breaker, a disconnecting switch, a grounding switch, a current transformer, and a lightning arrestor are mounted, and a contact surface between a leg of each device and the common frame and a common frame. Of the contact surfaces between the gantry and the foundation, the legs and the common gantry, and the common gantry and the gantry, which occupy substantially the center of each of the juxtaposed devices, are tightened and fixed parts of the same metal, and the remaining A gas-insulated switchgear, characterized in that it is a fastening part in which a sheet having a low coefficient of friction is interposed between a leg and a common base and a contact surface between the common base and a foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63315120A JP2588264B2 (en) | 1988-12-15 | 1988-12-15 | Gas insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63315120A JP2588264B2 (en) | 1988-12-15 | 1988-12-15 | Gas insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02164206A JPH02164206A (en) | 1990-06-25 |
| JP2588264B2 true JP2588264B2 (en) | 1997-03-05 |
Family
ID=18061650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63315120A Expired - Fee Related JP2588264B2 (en) | 1988-12-15 | 1988-12-15 | Gas insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2588264B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9410869U1 (en) * | 1994-07-01 | 1994-09-15 | Siemens AG, 80333 München | Metal-enclosed, compressed gas-insulated high-voltage switchgear |
| DE19838251B4 (en) * | 1998-08-22 | 2007-01-18 | Abb Schweiz Ag | Gas-insulated switchgear with fastening means |
| JP5269534B2 (en) * | 2008-09-26 | 2013-08-21 | 株式会社東芝 | Gas circuit breaker |
| FR3024296A1 (en) * | 2014-07-25 | 2016-01-29 | Alstom Technology Ltd | CONNECTING TO THE GROUND OF AN APPARATUS BY A DEFORMABLE BEAM |
-
1988
- 1988-12-15 JP JP63315120A patent/JP2588264B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02164206A (en) | 1990-06-25 |
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