JPH01302616A - V-suspension type lightning protecting insulator device for overhead powder transmission line - Google Patents
V-suspension type lightning protecting insulator device for overhead powder transmission lineInfo
- Publication number
- JPH01302616A JPH01302616A JP13106988A JP13106988A JPH01302616A JP H01302616 A JPH01302616 A JP H01302616A JP 13106988 A JP13106988 A JP 13106988A JP 13106988 A JP13106988 A JP 13106988A JP H01302616 A JPH01302616 A JP H01302616A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- discharge electrode
- discharge
- lightning arrester
- power transmission
- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 239000000725 suspension Substances 0.000 title abstract description 26
- 239000000843 powder Substances 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
この発明は架空送電線用V吊型避雷碍子装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a V-hanging type lightning arrester device for overhead power transmission lines.
[従来の技術]
従来の架空送′!!j&線用■吊型避雷碍子装置として
。[Prior art] Conventional air transport'! ! ■As a hanging type lightning arrester device for J& line.
特開昭62−168305号公報に開示されたものがあ
る。この避雷碍子装置は鉄塔の支持アームに左右一対の
長幹支持碍子をV型状に連結し、両長幹支持碍子の下端
部を連結する連結ヨークに対し連結リンク及び電線クラ
ン1を介して送電線を支持し、前記連結ヨークには課を
側の放電電極を線路方向と直交する方向に片持ち支持し
、一方、前記支持アームの先端部には取付アダプタを介
して避雷碍子を吊下固定し、さらに該避雷碍子の下端部
には、前記課電側の放電電極と所定の気中放電間隙をも
って対向する絶縁側の放it極を支持していた。There is one disclosed in Japanese Unexamined Patent Publication No. 168305/1983. This lightning arrester device connects a pair of left and right long trunk support insulators to the support arms of a steel tower in a V-shape, and sends a wire via a connecting link and an electric wire clamp 1 to a connecting yoke that connects the lower ends of both long trunk support insulators. A wire is supported, and a discharge electrode on the side of the section is cantilevered on the connecting yoke in a direction perpendicular to the line direction, while a lightning arrester is suspended and fixed to the tip of the support arm via a mounting adapter. Further, at the lower end of the lightning arrester, an insulated discharge electrode was supported, which faced the discharge electrode on the energized side with a predetermined air discharge gap.
[発明が解決しようとする課題]
上記従来の避雷碍子装置は一対の長幹支持碍子をV型状
に装着しているので、送電線が風圧等により揺動しても
長幹支持碍子は線路方向には揺動するが、線路直交方向
には揺動することはなく、前記両放電電極の気中放電間
隙が大きく変化することはない、従って、M雷碍子の安
定した装柱状もが保持される。[Problems to be Solved by the Invention] The above-mentioned conventional lightning arrester device has a pair of long trunk support insulators mounted in a V-shape, so even if the power transmission line swings due to wind pressure etc., the long trunk support insulators will not disturb the line. direction, but not in the direction perpendicular to the line, and the air discharge gap between the two discharge electrodes does not change significantly. Therefore, the stable column shape of the M lightning insulator is maintained. be done.
ところか、前記長幹支持碍子に代えて懸垂碍子を直列に
多数連結した懸垂碍子連を使用した場合、送電線が風圧
等により線路直交方向外側方へ揺動すると、前記懸垂碍
子も同方向へ揺動するので、避雷碍子側の懸垂碍子連が
屈曲し、連結ヨークに支持した課電側の放電電極が避雷
碍子に支持した絶縁側の放電電極に衝突して両放電電極
を変形させたり、懸垂碍子連が避雷碍子に当たって両硝
子が破損されるという問題があった。However, when a suspension insulator chain consisting of a large number of suspension insulators connected in series is used instead of the long support insulator, when the power transmission line swings outward in the direction perpendicular to the line due to wind pressure, etc., the suspension insulators also swing in the same direction. As it oscillates, the suspension insulator chain on the lightning arrester side bends, and the discharge electrode on the energized side supported by the connection yoke collides with the discharge electrode on the insulated side supported by the lightning arrester, deforming both discharge electrodes. There was a problem in which the suspension insulators hit the lightning arrester and both glasses were damaged.
本発明の目的は懸垂碍子連が屈曲しても連結ヨークに設
けた課電側の放電電極か避雷iす子に取着した絶縁側の
放電電極に衝突したり、懸垂碍子連が避雷的:f−に衝
突したり、さらに課電側の放電電極が避雷碍子に衝突し
たりするのをなくし、放電電極の変形やM雷碍子及び懸
垂碍子連等の破損を防止することができる架空送電線用
■吊型避雷的子装置を提供することにある。The purpose of the present invention is to prevent the suspension insulator chain from colliding with the charging side discharge electrode provided on the connection yoke or the insulating side discharge electrode attached to the lightning arrester even if the suspension insulator chain is bent. An overhead power transmission line that can prevent collisions between the discharge electrodes on the energized side and the lightning arrester insulators, and prevent deformation of the discharge electrodes and damage to the M lightning insulators and suspension insulators. The purpose of the present invention is to provide a hanging type lightning arrester device for use.
[課題を解決するための手段]
本発明は上記目的を達成するため、支持アームに対し、
吊下金具を介して一対の懸垂碍子連を線路方向の揺動可
能に、かつほぼV型状に装着し、両懸垂61子連の下端
部を連結する連結ヨークには;線クランプを介して送電
線を支持し、前記支持アームの先端部には取付γダプタ
を介してM雷碍子を横向きに支持し、前記連結ヨークに
は線路方向と同方向へ延出し、かつ線路直交方向へ屈曲
する課電側の放電電極を支持[7、さらに前記避雷碍子
には下方へ延在したのち、線路方向成分を有するように
絶縁側の放電電極を取着し、前記両放電電極の間に所定
の気中放電間隙を設けるという手段をとっている。[Means for Solving the Problem] In order to achieve the above object, the present invention provides the support arm with the following features:
A pair of suspended insulator chains are attached via hanging fittings so as to be able to swing in the track direction and in a substantially V-shape, and a connecting yoke that connects the lower ends of both suspended insulator chains is equipped with a wire clamp. The power transmission line is supported, and the tip of the support arm supports an M lightning insulator laterally via an attached γ adapter, and the connection yoke has a cable extending in the same direction as the line and bent in a direction perpendicular to the line. The discharge electrode on the energized side is supported [7, and the discharge electrode on the insulating side is attached to the lightning arrester so that it extends downward and has a component in the line direction, and a predetermined line is attached between the two discharge electrodes. The method is to provide an air discharge gap.
[作用]
本発明は送電線が風圧等により線路直交方向外側方へ揺
動し、外側に位置する懸垂碍子連が屈曲して課電側の放
電電極が連結ヨークとともに」ニガに持上げられても、
課電側の放電電極と懸垂碍子連が衝突することはなく、
又、課電側の放電電極が絶縁側の放電電極及び避雷碍子
に衝突することもなく、さらに懸垂碍子連が避雷碍子に
衝突することもないので、放電電極の変形や懸垂碍子連
あるいは避雷碍子の破損が抑制される。[Function] The present invention prevents the transmission line from swinging outward in the direction perpendicular to the line due to wind pressure or the like, and even if the suspension insulator chain located on the outside is bent and the discharge electrode on the energizing side is lifted up together with the connecting yoke. ,
There is no collision between the discharge electrode on the energized side and the suspended insulator chain.
In addition, the discharge electrode on the energized side does not collide with the discharge electrode and the lightning arrester on the insulating side, and the suspension insulator chain does not collide with the lightning arrester, so there is no possibility of deformation of the discharge electrode, suspension insulator chain, or lightning arrester. damage is suppressed.
[実施例]
以下、本発明を具体化した一実施例を図面に基いて説明
する。[Example] An example embodying the present invention will be described below with reference to the drawings.
鉄塔の支持アーム1には第2図に示すように左右一対の
吊下金具2,2がボルトにより固定され、雨量下金具2
.2にはそれぞれ上部連結金具3゜3を介して複数の懸
垂碍子を直列に連結してなる懸垂碍子連4,4が連結さ
れ、両懸垂碍子連4゜4の下端部には下部連結金具5.
5を介して逆三角板状をなす連結ヨーク6が連結ピンに
より連結され、左右一対の懸垂碍子連4,4はほぼV吊
状に装着されている。前記連結ヨーク6の下端部には連
結リンク7及び電線クランプ8を介して送電線9が支持
されている。As shown in Fig. 2, a pair of left and right hanging fittings 2, 2 are fixed to the support arm 1 of the steel tower with bolts, and a rain gauge lower fitting 2 is fixed to the support arm 1 of the steel tower.
.. 2 are connected to suspension insulator chains 4, 4, which are formed by connecting a plurality of suspension insulators in series, via upper connection fittings 3. ..
A connecting yoke 6 having an inverted triangular plate shape is connected via a connecting pin 5, and a pair of left and right suspension insulator chains 4, 4 are mounted in a substantially V-shaped hanging configuration. A power transmission line 9 is supported at the lower end of the connection yoke 6 via a connection link 7 and a wire clamp 8.
前記連結ヨーク6の一側面には課電側の放電電極10が
支持されている。この放電電極10は第1図に示すよう
に、連結ヨーク6に貫通してす・ントにより固定され、
かつ送電線9と平行に延びる基端部10aと、この基端
部10aから線路直交方向へ折れ曲がった中間部10b
と、この中間部10bから線路方向とほぼ平行するよう
に折れ曲がった放電部10cとにより形成されている。A discharge electrode 10 on the power supply side is supported on one side of the connection yoke 6. As shown in FIG. 1, this discharge electrode 10 penetrates the connecting yoke 6 and is fixed by a bolt.
and a base end portion 10a extending parallel to the power transmission line 9, and an intermediate portion 10b bent from the base end portion 10a in a direction perpendicular to the line.
and a discharge portion 10c bent from the intermediate portion 10b so as to be substantially parallel to the line direction.
なお、前記上部連結金具3及び下部連結金具5には懸垂
碍子連4.4の沿面閃絡を防止するためのアークホーン
11.12がそれぞれ支持されている。Incidentally, arc horns 11 and 12 are supported on the upper connecting fitting 3 and the lower connecting fitting 5, respectively, to prevent creeping flash of the suspended insulator chain 4.4.
前記支持アーム1の先端部には取付アダプタ13が前方
(第2図の右側)に向けて支持され、該取付アダプタ1
3の垂立面には第1図に示すように避雷碍子14の基端
に設けた接地側の電極金具15がボルトにより固定され
ている。この避雷碍子14はFRP等により円筒状に形
成した耐圧絶縁筒(図示時)と、この耐圧絶縁筒内部に
収容され、電圧−電流特性が非直線性を有する酸化亜鉛
を主材とする[流素子(図示時)と、前記耐圧絶縁筒の
両端部に嵌合固定した接地側及び課電側の電極金具15
.16と、さらに耐圧絶縁筒の外側にゴムモールドした
絶縁外套体17とにより構成されている。A mounting adapter 13 is supported toward the front (right side in FIG. 2) at the tip of the support arm 1.
As shown in FIG. 1, a ground-side electrode fitting 15 provided at the base end of the lightning arrester 14 is fixed to the vertical surface of 3 with bolts. This lightning arrester 14 includes a voltage-resistant insulating cylinder (as shown) formed into a cylindrical shape of FRP or the like, and is housed inside the voltage-resistant insulating cylinder, and is made of zinc oxide, which has non-linear voltage-current characteristics, as its main material. element (as shown), and electrode fittings 15 on the grounding side and on the charging side that are fitted and fixed to both ends of the voltage-resistant insulating tube.
.. 16, and an insulating jacket 17 that is rubber-molded on the outside of the voltage-resistant insulating cylinder.
前記課電側の電極金具16には前述した課電側の放電電
極10と所定の気中放電間隙Gをもって対向する絶縁側
の放it極18が支持されている。The electrode fitting 16 on the energizing side supports an insulating side discharge electrode 18 that faces the aforementioned energizing side discharge electrode 10 with a predetermined air discharge gap G therebetween.
この放電電極18は第2図に示すように垂直方向下方へ
延びる垂立部18aと、この垂立部18aから線路方向
と平行方向に延びる水平部18bと、さらに前記課電側
の放′@電l#110の基端取付部0を中心とする円弧
状に形成された円弧状の放電部18cとにより形成され
ている。As shown in FIG. 2, this discharge electrode 18 includes a vertical portion 18a extending vertically downward, a horizontal portion 18b extending from the vertical portion 18a in a direction parallel to the line direction, and a discharge side on the energized side. It is formed by an arcuate discharge portion 18c formed in an arc shape centered on the base end attachment portion 0 of the electric wire #110.
次に、前記のように構成した■吊型避雷碍子装置につい
てその作用を説明する。Next, the operation of the suspended lightning insulator device constructed as described above will be explained.
今、送電線に雷撃によるサージ電流が流れると、その電
流は電線クランプ8、連結リンク7、連結ヨーク6及び
課電側の放電電極10を経て、絶縁側の放電電極18ヘ
フラツシオーバーされ、電極金具16.限流素子(図示
時)、電極金具15、取付アダプタ13及び支持アーム
1を経て鉄塔に放電される。ス、その後生じる続流電流
は前記限流素子及び気中放電間隙Gにより抑制遮断され
、地絡事故が未然に防止される。Now, when a surge current due to a lightning strike flows through the power transmission line, the current flows through the wire clamp 8, the connecting link 7, the connecting yoke 6, and the discharge electrode 10 on the energized side, and then flashes over to the discharge electrode 18 on the insulating side. Electrode fitting 16. The electric current is discharged to the steel tower via the current limiting element (as shown), the electrode fitting 15, the mounting adapter 13, and the support arm 1. The follow-on current that occurs thereafter is suppressed and interrupted by the current limiting element and the air discharge gap G, thereby preventing a ground fault from occurring.
さて、本発明実施例においては課電側の放電電極10を
第1図に示すように連結ヨーク6から線路方向へ延びる
基端部10aと、該基端部10aから直角方向に折れ曲
がる中間部10bと、さらにこの中間部10bから線路
方向に湾曲する放電部10cとにより避雷碍子14側の
9垂碕子連4を迂回するように湾曲形成したので、送電
線9が風圧等により第2図に示す静止位置から第3図に
示すように線路直交方向外方へ揺動して、外側の懸垂碍
子連4が屈曲した場合、課電側の放″:rh電極10と
懸垂碍子連4の衝突が回避される。Now, in the embodiment of the present invention, as shown in FIG. 1, the discharge electrode 10 on the energizing side has a base end portion 10a extending from the connecting yoke 6 in the line direction, and an intermediate portion 10b bent at right angles from the base end portion 10a. Furthermore, the discharge section 10c that curves in the line direction from the intermediate section 10b is curved so as to bypass the nine-slope insulator chain 4 on the lightning arrester 14 side, so that the power transmission line 9 is caused by wind pressure or the like in FIG. When the outer suspension insulator chain 4 swings outward in the direction perpendicular to the track as shown in FIG. 3 from the rest position shown in FIG. is avoided.
各、絶縁側の放電部[i18はその垂立部18aが課電
側の放電電極10から線路方向へ変位しているので、両
数電電tilo、18が衝突することもない、さらに、
避雷碍子14は支持アーム1の先端部とほぼ同一高さ位
置に水平に保持されているので、課電側の放電電極10
及び外側の懸垂碍子連4が避雷碍子14に衝突すること
もなく、両放電を極10,18の変形あるいは懸垂碍子
連4や避雷碍子14の破損が防止される。Since the vertical portion 18a of each of the insulating side discharge parts [i18] is displaced in the line direction from the energized side discharge electrode 10, the two electric currents 18 do not collide.
Since the lightning arrester 14 is held horizontally at approximately the same height as the tip of the support arm 1, the discharge electrode 10 on the energized side
Also, the outer suspension insulator chain 4 does not collide with the lightning arrester 14, and deformation of the poles 10 and 18 or damage to the suspension insulator chain 4 and the lightning arrester 14 are prevented.
又、前記実施例では、絶縁側の放電$極18の先端部に
円弧状の放電部18cを設け、その曲率を送電線9が線
路方向に揺動した時、課な側の放電電極10の放電部1
0cの先端が描く円弧とほぼ同じ円弧状に設定したので
、送電線9の線路方向への揺動時に、気中放電間隙Gが
ほぼ一定に保持され、放電特性が安定化する。Further, in the above embodiment, an arc-shaped discharge portion 18c is provided at the tip of the discharge electrode 18 on the insulated side, and when the power transmission line 9 swings in the line direction, the curvature of the arc-shaped discharge portion 18c is changed to Discharge part 1
Since the arc shape is set to be approximately the same as the arc drawn by the tip of 0c, when the power transmission line 9 swings in the line direction, the air discharge gap G is maintained approximately constant, and the discharge characteristics are stabilized.
なお、本発明は次のように具体化することもできる。Note that the present invention can also be embodied as follows.
第4図に示すように、課電側の放電電極lOを平面から
見て円弧状に形成したり、連結ヨーク6の反対側に放電
電極10と重量上バランスするバランスウェイト23を
設けたりする等、本発明の特許請求の範囲内において構
成を任意に変更して具体化してもよい。As shown in FIG. 4, the discharge electrode 10 on the energizing side is formed into an arc shape when viewed from the top, or a balance weight 23 is provided on the opposite side of the connection yoke 6 to balance the discharge electrode 10 in terms of weight. However, the structure may be changed and embodied as desired within the scope of the claims of the present invention.
[発明の効果]
以上詳述したように、本発明は送電線が風圧等により線
路直交方向へ揺動した場合、課電側の放電電極と懸垂碍
子連が衝突したり、課電側の放電電極と絶縁側の放電電
極及び避雷碍子との衝突、さらには懸垂碍子連と絶縁側
の放電電極及び避雷碍子との衝突を回避して、再放電電
極の変形や懸垂碍子連あるいは避雷碍子の破損を防止す
ることができ、耐久信頼性を向上することができる効果
がある。[Effects of the Invention] As detailed above, the present invention prevents the discharge electrode on the power-supplying side from colliding with the suspension insulator chain when the power transmission line swings in a direction perpendicular to the line due to wind pressure, etc. Avoiding collisions between the electrode and the discharge electrode and lightning arrester on the insulated side, as well as collisions between the suspension insulator chain and the discharge electrode and lightning arrester on the insulated side, to avoid deformation of the re-discharge electrode and damage to the suspension insulator chain or the lightning arrester. This has the effect of preventing this and improving durability and reliability.
第1図〜第3図は本発明の送電線用■吊型M雷碍子装置
の一実施例を示し、第1図は課電側の放電電極、絶縁側
の放i!電極及び避雷碍子の平面図、第2図は送電線が
静止している状態の正面図、第3図は送電線が線路方向
外側方へ揺動した状態を示す正面図、第4図は本発明の
別の実施例を示す要部の平面図である。
1・・・支持アーム、2・・・吊下金具、4・・・懸垂
碍子連、6・・・連結ヨーク、8・・・電線クランプ、
9・・・送電線、10・・・課電側の放電電極、13・
・・取付アダプタ、14・・・避雷硝子、18・・・絶
縁側の放電電極、G・・・気中放電間隙。
特許出願人 B本碍子株式会社
旭可鍛鉄株式会社
代 理 人 弁理士 恩田博宣
第1図
犯 1すDFigures 1 to 3 show an embodiment of the hanging type M lightning insulator device for power transmission lines according to the present invention. A plan view of the electrode and lightning arrester, Figure 2 is a front view of the power transmission line at rest, Figure 3 is a front view of the power transmission line swinging outward in the direction of the track, and Figure 4 is a front view of the main line. FIG. 7 is a plan view of main parts showing another embodiment of the invention. DESCRIPTION OF SYMBOLS 1...Support arm, 2...Hanging metal fitting, 4...Suspension insulator chain, 6...Connection yoke, 8...Wire clamp,
9... Power transmission line, 10... Power charging side discharge electrode, 13...
...Mounting adapter, 14...Lightning protection glass, 18...Insulated side discharge electrode, G...Air discharge gap. Patent Applicant B Hon Insulator Co., Ltd. Asahi Malleable Iron Co., Ltd. Agent Patent Attorney Hironobu Onda 1st Criminal 1st D
Claims (1)
一対の懸垂碍子連(4)を線路方向の揺動可能に、かつ
ほぼV型状に装着し、両懸垂碍子連(4)の下端部を連
結する連結ヨーク(6)には電線クランプ(8)を介し
て送電線を支持し、前記支持アーム(1)の先端部には
取付アダプタ(13)を介して避雷碍子(14)を横向
きに支持し、前記連結ヨーク(6)には線路方向と同方
向へ延出し、かつ線路直交方向へ屈曲する課電側の放電
電極(10)を支持し、さらに前記避雷碍子(14)に
は下方へ延在したのち、線路方向成分を有するように絶
縁側の放電電極(18)を取着し、前記両放電電極(1
0、18)の間に所定の気中放電間隙(G)を設けたこ
とを特徴とするV吊型避雷碍子装置。1. A pair of suspended insulator chains (4) are attached to the support arm (1) via hanging fittings (2) so as to be swingable in the track direction and in a substantially V-shape, and both suspended insulator chains ( 4) A connecting yoke (6) connecting the lower end supports a power transmission line via a wire clamp (8), and a lightning arrester is attached to the tip of the support arm (1) via a mounting adapter (13). (14) is supported laterally, the connecting yoke (6) supports a discharge electrode (10) on the energized side that extends in the same direction as the line direction and is bent in a direction perpendicular to the line, and further supports the lightning arrester (10). (14) is attached with an insulating side discharge electrode (18) so as to extend downward and have a component in the line direction, and both of the discharge electrodes (1
A V-hanging type lightning arrester device, characterized in that a predetermined aerial discharge gap (G) is provided between 0 and 18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13106988A JPH0834069B2 (en) | 1988-05-28 | 1988-05-28 | V suspension type lightning arrester device for overhead power transmission line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13106988A JPH0834069B2 (en) | 1988-05-28 | 1988-05-28 | V suspension type lightning arrester device for overhead power transmission line |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01302616A true JPH01302616A (en) | 1989-12-06 |
JPH0834069B2 JPH0834069B2 (en) | 1996-03-29 |
Family
ID=15049272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13106988A Expired - Lifetime JPH0834069B2 (en) | 1988-05-28 | 1988-05-28 | V suspension type lightning arrester device for overhead power transmission line |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0834069B2 (en) |
-
1988
- 1988-05-28 JP JP13106988A patent/JPH0834069B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0834069B2 (en) | 1996-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH01302616A (en) | V-suspension type lightning protecting insulator device for overhead powder transmission line | |
JP2941973B2 (en) | Lightning arrester for V-suspension device | |
JP2637161B2 (en) | Lightning-resistant horn insulator device | |
JPS63304535A (en) | Tension insulator device | |
JP2555100B2 (en) | Lightning protection horn insulator device | |
JP2564332B2 (en) | Lightning protection horn insulator device | |
JP2509598B2 (en) | Lightning arrester device for power lines | |
JPH07272824A (en) | Arresting horn insulator device | |
JPS6398922A (en) | Arresting insulator for transmission line | |
JP2564347B2 (en) | Lightning arrester device | |
JP2690163B2 (en) | Lightning arrester device | |
JP2552041B2 (en) | Lightning arrester device | |
JP2656105B2 (en) | Lightning-resistant horn insulator device | |
JPH03171518A (en) | Discharge electrode for insulator set | |
JPH0654625B2 (en) | Lightning protection horn insulator device | |
JPH0711383Y2 (en) | Support structure of discharge electrode for lightning protection horn insulator device | |
JPH07272571A (en) | Jumper wire supporting structure | |
JPH01163930A (en) | Anti-lightening horn insulator device | |
JPS6280922A (en) | Lightning resistant horn porcelain unit | |
JPS63108620A (en) | Arresting insulator for transmission line | |
JPH06119842A (en) | Lightning protection insulator set | |
JPS61262020A (en) | Arresting insulator for overhead power transmission wire | |
JPS63168923A (en) | Lightning insulator for transmission line | |
JPS6394510A (en) | Arresting insulator for transmission line | |
JPH0278114A (en) | Lighting insulator apparatus for use in overhead power transmission line |