JPH0320849B2 - - Google Patents
Info
- Publication number
- JPH0320849B2 JPH0320849B2 JP57094903A JP9490382A JPH0320849B2 JP H0320849 B2 JPH0320849 B2 JP H0320849B2 JP 57094903 A JP57094903 A JP 57094903A JP 9490382 A JP9490382 A JP 9490382A JP H0320849 B2 JPH0320849 B2 JP H0320849B2
- Authority
- JP
- Japan
- Prior art keywords
- contact
- closing
- fixed
- resistor
- capacitor
- 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 - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims description 33
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Circuit Breakers (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はパツフアー形ガスしや断器に係り、特
に、しや断部と電気的並列に設けられる投入抵抗
装置とコンデンサとを構成要件とするしや断器に
最適なパツフアー形しや断器に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a puff type gas shield disconnector, and in particular, includes a closing resistor device and a capacitor that are provided electrically in parallel with the shield disconnector. Regarding the puffer shape and cutter that is most suitable for sushi and cutter.
しや断器における投入抵抗装置は、しや断部と
電気的並列に設けられ、投入抵抗体と投入抵抗接
点とから構成される。投入抵抗体は、しや断部の
閉路に先行して閉路して回路に投入抵抗体を接続
すると共に、しや断部の開路に先行して開路して
回路から投入抵抗体を除く。投入抵抗体は、円板
上に形成された抵抗素子を必要枚数だけ積み重ね
て構成され、比較的長い軸長を持つている。
The closing resistance device in the shield breaker is provided electrically in parallel with the shield breaker, and is composed of a closing resistor and a closing resistance contact. The closing resistor connects the closing resistor to the circuit by closing the circuit prior to the closing of the shield, and opens the circuit prior to opening the shield to remove the closing resistor from the circuit. The closing resistor is constructed by stacking a required number of resistive elements formed on a disc, and has a relatively long axial length.
この種のガスしや断器としては、例えば特開昭
55−17903号公報に記載されたものである。 For example, this type of gas shield and disconnector is
This is described in Publication No. 55-17903.
上記従来技術は、筒状の支持導体内に投入抵抗
装置の投入抵抗体を収納する形式のものである。
一方、近年高電圧のガスしや断器が要求されてい
るが、これを実現するためには、再起電圧上昇率
抑制のためのコンデンサをしや断部と電気的に並
列に接続する必要がある。しかしながら、上記従
来技術においては、上述したコンデンサの設置に
ついて配慮されていない。従つて、投入抵抗装置
とコンデンサとを収納する場合には、密封容器の
径方向の寸法が大きくなるという問題があつた。
The above-mentioned prior art is of a type in which a closing resistor of a closing resistor device is housed within a cylindrical supporting conductor.
On the other hand, in recent years, there has been a demand for high-voltage gas shields and disconnectors, but in order to achieve this, it is necessary to connect a capacitor electrically in parallel with the shield and disconnectors to suppress the rate of rise in the restart voltage. be. However, in the above-mentioned conventional technology, no consideration is given to the installation of the above-mentioned capacitor. Therefore, when housing the closing resistance device and the capacitor, there is a problem in that the radial dimension of the sealed container becomes large.
本発明の目的は、密封容器の径を小さくして投
入抵抗装置及びコンデンサの配置を可能にしたパ
ツフアー形ガスしや断器を提供することにある。 SUMMARY OF THE INVENTION An object of the present invention is to provide a puff type gas cylinder and disconnector in which the diameter of the sealed container is reduced and a closing resistor and a capacitor can be arranged therein.
上記の目的を達成するために、本発明は消弧ガ
スが封入された密封容器内に絶縁支持物によつて
支持された筒状の支持導体に固定接触子が固定さ
れるしや断部と、該しや断部に対し電気的に並列
接続される投入抵抗体ならびに該投入抵抗体の一
端に接点を有する投入抵抗装置とコンデンサとを
備えたものにおいて、上記支持導体の内部にコン
デンサを収納し、前記投入抵抗装置の投入抵抗体
収納用の切欠部を、上記支持導体の側部に軸方向
に沿つて連続して設け、前記切欠部に前記投入抵
抗装置の投入抵抗体を前記支持導体に対し所定の
ガス空間を有した状態で収納する。
In order to achieve the above object, the present invention has a cross section in which a fixed contact is fixed to a cylindrical support conductor supported by an insulating support in a sealed container filled with arc extinguishing gas. , which is equipped with a closing resistor electrically connected in parallel to the connecting or disconnecting portion, a closing resistor device having a contact point at one end of the closing resistor, and a capacitor, wherein the capacitor is housed inside the supporting conductor. A notch for housing the making resistor of the making resistor device is provided continuously along the axial direction on a side of the supporting conductor, and the making resistor of the making resistor device is placed in the notch portion of the supporting conductor. It is stored with a predetermined gas space.
コンデンサを筒状の支持導体の内部に収納し、
投入抵抗装置の投入抵抗体を、支持導体の側部に
軸方向に沿つて連続して設けた切欠部に、所定の
ガス空間をもつて収納したので、密封容器の構成
をほぼ円筒形に構成することができ、密封容器の
径を縮小することができる。
The capacitor is housed inside a cylindrical support conductor,
The closing resistor of the closing resistor device is housed in a notch that is continuously provided along the axial direction on the side of the supporting conductor, with a predetermined gas space, so that the sealed container has a substantially cylindrical configuration. The diameter of the sealed container can be reduced.
以下本発明の実施例を図面を用いて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明の一実施例を示す断面図であ
り、第１図の−面断面図が第２図である。こ
こでは、タンク形のパツフアー形ガスしや断器を
例示している。しや断部と投入抵抗装置は、密封
容器である接地タンク１内に装着されている。し
や断部の固定接触子２を支持した支持導体３は、
同一軸線上に配置された絶縁支持物４の一端に固
定されている。絶縁支持物４の他端は、接地タン
ク１へ機械的に固定されている。接地タンク１の
側方上部にはブツシング５が接続され、その中心
導体６は支持導体３と外部端子７間を接続してい
る。 FIG. 1 is a cross-sectional view showing an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken from the - plane of FIG. 1. Here, a tank-shaped puffer-type gas cylinder and disconnector are illustrated. The sheath section and the closing resistance device are installed in a grounded tank 1 which is a sealed container. The support conductor 3 that supported the fixed contact 2 at the edge section is
It is fixed to one end of an insulating support 4 arranged on the same axis. The other end of the insulating support 4 is mechanically fixed to the ground tank 1. A bushing 5 is connected to the upper side of the grounding tank 1, and its center conductor 6 connects between the support conductor 3 and the external terminal 7.
支持導体３は、種々の構造によつて支持するこ
とができる。例えば、接地タンク１とブツシング
５間に設けられる絶縁スペーサーによつて支持導
体３を支持したり、圧縮装置８側の固定部材から
延びた棒状あるいは筒状絶縁物によつて支持導体
３を支持することができる。一端が絶縁支持物４
で固定された支持導体３の他端は固定接触子２が
固定設置され、この固定接触子２と対向して往復
動する可動接触子９は絶縁ノズル１０内に配置さ
れており、両接触子間の開離によつて発生するア
ークは、圧縮装置８によつて圧縮したガスを絶縁
ノズル１０によつて案内し、その吹き付けを受け
て消滅する。一般に圧縮装置８は、ピストンとシ
リンダーの組合せから成り、シリンダーは可動接
触子９と連結され、これらによつてしや断部可動
部を構成し、一方ピストンは操作駆動力を伝える
物体に固定されている。 Support conductor 3 can be supported by various structures. For example, the supporting conductor 3 may be supported by an insulating spacer provided between the grounding tank 1 and the bushing 5, or by a rod-shaped or cylindrical insulator extending from a fixing member on the compression device 8 side. be able to. One end is an insulating support 4
A fixed contact 2 is fixedly installed at the other end of the support conductor 3 fixed at the support conductor 3, and a movable contact 9 that reciprocates opposite to the fixed contact 2 is arranged in an insulating nozzle 10, and both contacts The arc generated by the separation between the two is blown out by the gas compressed by the compressor 8 and guided by the insulating nozzle 10. In general, the compression device 8 consists of a combination of a piston and a cylinder, the cylinder being connected to a movable contact 9 and thereby forming a shear section movable part, while the piston is fixed to an object transmitting the operational driving force. ing.
支持導体３の側部にその軸方向に沿つて略円形
の切欠部が設けられ、該切欠部内に投入抵抗体１
１が、先端部に固定側抵抗接点１３を有して設置
されている。また、固定接触子２の外周には所定
の間隔をもつて筒状の固定主接触子１２が固定接
触子２と同一高さで装着されている。さらに圧縮
装置８には固定側抵抗接点１３に対向する位置
に、可動側抵抗接点１４および固定主接触子１２
に対向する位置に可動主接触子１５が各々設けら
れている。投入抵抗体１１は、支持導体３の絶縁
支持物側の端板に一端を固定した絶縁棒にドーナ
ツツ状の抵抗素子を積み重ねて形成されており、
その自由端に投入抵抗の固定側抵抗接点１３が接
続されている。投入抵抗体１１は、絶縁板によつ
て支持導体３に支持することが可能であり、絶縁
板の位置は投入抵抗体１１の軸長等によつて最適
に設計することが可能である。また、絶縁板の構
造は従来の技術を適用できる。このように構成し
た投入抵抗装置は、支持導体３に固定接触子２を
固定した端板を軸方向にそつてほぼ直線状に抜け
出し固定接触子と並行に固定側抵抗接点１３を構
成している。 A substantially circular notch is provided in the side of the supporting conductor 3 along its axial direction, and the making resistor 1 is inserted into the notch.
1 is installed with a fixed resistance contact 13 at its tip. Furthermore, a cylindrical fixed main contact 12 is mounted on the outer periphery of the fixed contact 2 at a predetermined interval and at the same height as the fixed contact 2. Furthermore, the compression device 8 has a movable resistance contact 14 and a fixed main contact 12 at a position opposite to the fixed resistance contact 13.
Movable main contacts 15 are provided at positions facing each other. The closing resistor 11 is formed by stacking donut-shaped resistance elements on an insulating rod whose one end is fixed to the end plate of the supporting conductor 3 on the side of the insulating support.
A fixed resistance contact 13 of the closing resistor is connected to its free end. The making resistor 11 can be supported on the supporting conductor 3 by an insulating plate, and the position of the insulating plate can be optimally designed depending on the axial length of the making resistor 11 and the like. Furthermore, conventional techniques can be applied to the structure of the insulating plate. In the closing resistor device configured in this manner, the end plate with the fixed contact 2 fixed to the support conductor 3 is axially moved and pulled out in a substantially straight line to form the fixed side resistance contact 13 in parallel with the fixed contact. .
前述した支持導体３の内部には、第２図に示す
ように再起電圧上昇率抑制の目的でしや断部と電
気的に並列に接続されるコンデンサ２０が収納さ
れている。このコンデンサ２０は固定接触子１２
を固定した支持導体３の端板を利用して固定配置
することができる。 As shown in FIG. 2, a capacitor 20 is housed inside the supporting conductor 3, which is electrically connected in parallel with the shingle break for the purpose of suppressing the rate of rise in the re-electromotive voltage. This capacitor 20 has a fixed contact 12
It can be fixedly arranged using the end plate of the supporting conductor 3 to which the supporting conductor 3 is fixed.
以上の構成によるしや断器の動作を図面に基づ
いて説明する。 The operation of the shingle breaker having the above configuration will be explained based on the drawings.
第１図に示す状態は開路状態にあり、閉路はし
や断部可動部を左方向へ駆動して行なう。先ず、
可動抵抗接点１４が固定側抵抗接点１３へ接触し
可動抵抗接点１４…固定側抵抗接点１３…投入抵
抗体１１…ブツシング中心導体６…外部端子７な
る回路が形成される。つまり、回路中に投入抵抗
体１１が接続される。次いで、耐アーク性能を持
つ可動接触子９が同じく耐アーク性能を持つ固定
接触子２に接触し、これに時間差をおいて可動接
触子１５が固定主接触子１２に接触する。これに
よつて、投入抵抗体１１と並列に可動主接触子１
５…固定主接触子１２…支持導体３を通る主電流
通路が形成される。尚、大容量のしや断器におい
ては、この可動主接触子１５及び固定主接触子１
２が構成されるのが一般的である。さて、この並
列の回路を、インピーダンスの差によつて電流は
主に後者の電流通路を流れる。 The state shown in FIG. 1 is an open state, and the circuit is closed by driving the arm and the movable part of the disconnection part to the left. First of all,
The movable resistance contact 14 contacts the fixed resistance contact 13 to form a circuit consisting of the movable resistance contact 14, the fixed resistance contact 13, the closing resistor 11, the bushing center conductor 6, and the external terminal 7. That is, the closing resistor 11 is connected in the circuit. Next, the movable contact 9 having arc resistance comes into contact with the fixed contact 2 which also has arc resistance, and after a time lag, the movable contact 15 contacts the fixed main contact 12. As a result, the movable main contact 1 is placed in parallel with the closing resistor 11.
5...Fixed main contactor 12...A main current path passing through the support conductor 3 is formed. In addition, in a large-capacity shield breaker, this movable main contact 15 and fixed main contact 1
2 is generally configured. Now, in this parallel circuit, current mainly flows through the latter current path due to the difference in impedance.
一方、閉路はしや断部可動部を右方向へ駆動し
て行なう。この動作初期において、投入抵抗接点
１３及び１４は固定接触子２、可動接触子９の開
離に先行して開離する。このような動特性は、
種々提案されている構成によつて得られる。尚、
しや断部で消弧に寄与したガスの大部分は、固定
接触子２を固定している支持導体３の端板によつ
てしや蔽されるため、投入抵抗体１１の劣化は防
がれる。 On the other hand, the circuit is closed by driving the armature and the movable section of the breaking section to the right. At the beginning of this operation, the closing resistance contacts 13 and 14 open prior to the opening of the fixed contact 2 and the movable contact 9. Such dynamic characteristics are
This can be obtained by various proposed configurations. still,
Since most of the gas that contributed to the arc extinguishing at the shattered portion is shielded by the end plate of the support conductor 3 that fixes the fixed contact 2, deterioration of the closing resistor 11 is prevented. It will be done.
このようにして、投入抵抗接点は、しや断部の
開閉に先行して開離される。 In this way, the closing resistance contacts are opened and closed prior to the opening and closing of the shingles.
本発明の実施例においては、通電電流に必要な
断面積を有する三日月状の切欠部を有する支持導
体３を構成し、その切欠部に投入抵抗体１１を配
置することにより、径方向の空間を有効に活用す
ることができ、密封容器全体としての径の縮小化
が図れる。また、投入抵抗装置は直線状に配置構
成できるので、構造が複雑になることはない。 In the embodiment of the present invention, the support conductor 3 has a crescent-shaped notch having a cross-sectional area necessary for the current to flow, and the closing resistor 11 is placed in the notch, thereby reducing the space in the radial direction. It can be used effectively and the diameter of the sealed container as a whole can be reduced. Further, since the closing resistor device can be arranged and configured in a straight line, the structure does not become complicated.
このように、固定接触子２、投入抵抗接点１
３、コンデンサ２０がほぼ三角形状に規律よく配
置でき、空間の活用が最良である。 In this way, the fixed contact 2, the closing resistance contact 1
3. The capacitors 20 can be arranged in an almost triangular shape, making the best use of space.
以上説明したように、本発明によれば、しや断
部の固定接触子を支持する支持導体の内部にコン
デンサを収納し、支持導体の側部に形成した切欠
部に投入抵抗体を配置したため、密封容器内の構
成をほぼ円筒形に構成することができ密封容器の
径を縮小することができると共に高電圧に適用可
能なしや断器を提供することができる。さらに、
コンデンサをしや断時に生じる分解ガスに触れな
いように支持導体内に収納したので、寿命も向上
させることができる。
As explained above, according to the present invention, the capacitor is housed inside the supporting conductor that supports the fixed contact in the shrunk section, and the closing resistor is arranged in the notch formed on the side of the supporting conductor. In addition, the inside of the sealed container can be configured to have a substantially cylindrical shape, the diameter of the sealed container can be reduced, and it is possible to provide a shingle breaker that can be applied to high voltages. moreover,
Since the capacitor is housed within the supporting conductor so as not to come into contact with the decomposition gas generated when the capacitor is disconnected, its life can be improved.
第１図は本発明の一実施例を示す断面図、第２
図は第１図の実施例の−面断面図である。
１……接地タンク、２……固定接触子、３……
支持導体、４……絶縁支持物、５……ブツシン
グ、８……圧縮装置、９……可動接触子、１０…
…絶縁ノズル、１１……投入抵抗体、１２……固
定主接触子、１３……固定側抵抗接点、１４……
可動側抵抗接点、１５……可動主接触子、２０…
…コンデンサ。
FIG. 1 is a cross-sectional view showing one embodiment of the present invention, and FIG.
The figure is a cross-sectional view of the embodiment shown in FIG. 1. 1...Grounding tank, 2...Fixed contact, 3...
Support conductor, 4... Insulating support, 5... Bushing, 8... Compression device, 9... Movable contact, 10...
... Insulation nozzle, 11 ... Closing resistor, 12 ... Fixed main contact, 13 ... Fixed side resistance contact, 14 ...
Movable side resistance contact, 15... Movable main contact, 20...
...capacitor.
Claims (1)
物によつて支持された筒状の支持導体に固定接触
子が固定されるしや断部と、該しや断部に対し電
気的に並列接続される投入抵抗体ならびに該投入
抵抗体の一端に接点を有する投入抵抗器装置とコ
ンデンサとを備えたものにおいて、上記支持導体
の内部にコンデンサを収納し、前記投入抵抗装置
の投入抵抗体収納用の切欠部を、上記支持導体側
部に軸方向に沿つて連続して設け、前記切欠部に
前記投入抵抗装置の投入抵抗体を前記支持導体に
対し所定のガス空間を有した状態で収納したこと
を特徴とするパツフアー形ガスしや断器。1 The edge section where the fixed contact is fixed to a cylindrical supporting conductor supported by an insulating support in a sealed container filled with arc-extinguishing gas, and the electrical connection to the edge section. A device comprising a closing resistor connected in parallel, a closing resistor device having a contact point at one end of the closing resistor, and a capacitor, wherein the capacitor is housed inside the supporting conductor, and the closing resistor of the closing resistor device is provided with a capacitor. A notch for storage is provided continuously along the axial direction on the side of the supporting conductor, and the making resistor of the making resistor device is placed in the notch with a predetermined gas space relative to the supporting conductor. A pack-fur type gas disconnector characterized by being retracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9490382A JPS58214241A (en) | 1982-06-04 | 1982-06-04 | Buffer gas breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9490382A JPS58214241A (en) | 1982-06-04 | 1982-06-04 | Buffer gas breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58214241A JPS58214241A (en) | 1983-12-13 |
| JPH0320849B2 true JPH0320849B2 (en) | 1991-03-20 |
Family
ID=14122978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9490382A Granted JPS58214241A (en) | 1982-06-04 | 1982-06-04 | Buffer gas breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58214241A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6489127A (en) * | 1987-09-30 | 1989-04-03 | Hitachi Ltd | Buffer type gas breaker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517903A (en) * | 1978-07-24 | 1980-02-07 | Hitachi Ltd | Buffer type gas breaker |
-
1982
- 1982-06-04 JP JP9490382A patent/JPS58214241A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517903A (en) * | 1978-07-24 | 1980-02-07 | Hitachi Ltd | Buffer type gas breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58214241A (en) | 1983-12-13 |
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