JPH0373827B2 - - Google Patents
Info
- Publication number
- JPH0373827B2 JPH0373827B2 JP57068329A JP6832982A JPH0373827B2 JP H0373827 B2 JPH0373827 B2 JP H0373827B2 JP 57068329 A JP57068329 A JP 57068329A JP 6832982 A JP6832982 A JP 6832982A JP H0373827 B2 JPH0373827 B2 JP H0373827B2
- Authority
- JP
- Japan
- Prior art keywords
- test
- cable
- attached
- fitting
- stress cone
- 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
- 238000012360 testing method Methods 0.000 claims description 48
- 239000004020 conductor Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/333—Testing of the switching capacity of high-voltage circuit-breakers ; Testing of breaking capacity or related variables, e.g. post arc current or transient recovery voltage
- G01R31/3333—Apparatus, systems or circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
- Testing Relating To Insulation (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Gas-Insulated Switchgears (AREA)
Description
【発明の詳細な説明】
［発明の技術分野］
本発明はガス絶縁開閉装置の耐電圧試験装置用
課電端子に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a charging terminal for a withstand voltage testing device for gas-insulated switchgear.
［発明の技術的背景］
従来、ガス絶縁開閉装置は、現地において本体
に試験用ブツシングを組立据付けして試験調整を
完了した後に、組上げた装置を開放して試験用ブ
ツシングを取外し、再び装置を組立てて真空脱気
を行なつて補充用SF6ガスを封入し、運転状態と
していた。これらの作業は、場合により検査が２
〜４回行なわれるためその都度繰り返され、作業
の簡素化が望まれていた。[Technical Background of the Invention] Conventionally, in gas-insulated switchgear, test bushings are assembled and installed on the main body at the site, test adjustments are completed, and then the assembled device is opened, the test bushings are removed, and the device is restarted. It was assembled, vacuum degassed, filled with SF 6 gas for replenishment, and put into operation. These operations may require two inspections.
Since the process is carried out up to 4 times, it is repeated each time, and simplification of the work has been desired.
この点を解決するため、本発明者等は先に試験
の都度試験用ブツシングの取付け、取外しの必要
のない「ガス絶縁開閉装置の耐電圧試験装置」を
開発し特許出願した。 In order to solve this problem, the inventors of the present invention have previously developed and filed a patent application for a "withstand voltage testing device for gas-insulated switchgear" that does not require the installation and removal of test bushings each time a test is performed.
第１図および第２図は、この耐電圧試験装置の
断面図を示している。図について説明するとガス
絶縁開閉装置１には、変圧器との接続側に絶縁ガ
スを封入した接続ケース２を設け、このケース２
の下面に仕切板３を介して変圧器のブツシングポ
ケツト４を接続し、仕切板３を挿通して変圧器の
３相分の油−ガスブツシング５が装着されてい
る。各相のブツシング５は、ガス側端子にそれぞ
れ鉛直方向に取付けた接続導体６を有し、この接
続導体６に開閉装置１から延入された導体７が接
続され、また各相の接続導体６は上端部にそれぞ
れ高さを揃えて形成された試験端子６ａを備えて
いる。８は接続ケース２の上部カバー、９は、上
部カバー８に装着され外部から挿入される試験用
ケーブル１０と着脱自在なケーブル接続装置であ
る。ケーブル接続装置９は、第３図および第４図
に示すように、上部カバー８の開口部８ａの裏面
にガス密に取付けた絶縁筒１１内に気密保持状態
で移動可能なロツド１２を設け、このロツド１２
の一端に接触子１３を取付け、他端に皿形の接触
板１４を支持させたものである。ロツド１２は外
部から試験用ケーブル１０が挿入されると第３図
に示すように所定の下降位置において接触子１３
を介しケーブル端子１５と自動的に接続し、同時
に接触板１４は３相分の試験端子６ａに圧接す
る。この試験端子６ａを設けた内部電路を外部試
験電源に接続する。試験用ケーブル１０が挿入状
態にあるときは、カバー８の開口部８ａは外被１
６により閉塞される。 FIG. 1 and FIG. 2 show cross-sectional views of this withstand voltage testing device. To explain the diagram, the gas insulated switchgear 1 is provided with a connection case 2 filled with insulating gas on the connection side to the transformer.
A transformer bushing pocket 4 is connected to the lower surface of the transformer through a partition plate 3, and oil-gas bushings 5 for three phases of the transformer are inserted through the partition plate 3. The bushing 5 of each phase has a connecting conductor 6 attached vertically to the gas side terminal, and a conductor 7 extending from the switchgear 1 is connected to this connecting conductor 6. is equipped with test terminals 6a formed at the upper end so as to have the same height. 8 is an upper cover of the connection case 2, and 9 is a cable connecting device that is attached to the upper cover 8 and is detachable from the test cable 10 that is inserted from the outside. As shown in FIGS. 3 and 4, the cable connection device 9 includes a rod 12 that is movable in an airtight state within an insulating cylinder 11 that is gastightly attached to the back side of the opening 8a of the upper cover 8. This rod 12
A contactor 13 is attached to one end, and a dish-shaped contact plate 14 is supported at the other end. When the test cable 10 is inserted from the outside, the rod 12 moves the contact 13 to a predetermined lowered position as shown in FIG.
The contact plate 14 is automatically connected to the cable terminal 15 via the contact plate 14, and at the same time, the contact plate 14 is pressed into contact with the test terminals 6a for three phases. The internal circuit provided with this test terminal 6a is connected to an external test power source. When the test cable 10 is in the inserted state, the opening 8a of the cover 8 is connected to the outer sheath 1.
6 is occluded.
また外被１６内のケーブル端末部は、スプリン
グ１７に加圧されるストレスコーン１８が絶縁筒
１１の内面に圧接することにより絶縁が保証され
る。 Insulation of the cable end portion within the jacket 16 is ensured by the stress cone 18 pressurized by the spring 17 coming into pressure contact with the inner surface of the insulating cylinder 11.
一方耐圧試験後試験用ケーブル１０を引き抜い
た後は第４図に示すように、ロツド１２は、その
端部ねじ穴に上方から取付けたスタツド１９によ
り所定の上昇位置に引き上げられ、絶縁筒１１内
にあらかじめ挿入した絶縁台２０にスプリング２
１を介しその位置に支持されるとともに、開口部
８ａに取付けたキヤツプ２２内の例えばスプリン
グ２３のような設置部材を介し上部カバー８と同
電位に設置される。接触板１４はロツド１２の上
昇位置への移動により試験端子６ａから開離して
所定の絶縁距離を保つ位置に保持される。 On the other hand, after the test cable 10 is pulled out after the withstand voltage test, the rod 12 is pulled up to a predetermined raised position by the stud 19 attached to the screw hole at its end from above, as shown in FIG. Attach the spring 2 to the insulating stand 20 inserted in advance into the
1, and is installed at the same potential as the upper cover 8 through an installation member such as a spring 23 in the cap 22 attached to the opening 8a. The contact plate 14 is separated from the test terminal 6a by the movement of the rod 12 to the raised position and is held at a position where a predetermined insulation distance is maintained.
上記のような構成によれば、耐電圧試験に際
し、ガス絶縁開閉装置１に設けたケーブル接続装
置９に外部から試験用ケーブル１０を挿入するこ
とにより開閉装置の内部空間を大気中に開放する
ことなくガス密を維持した状態のまま、このケー
ブル接続装置１０のロツド１２、接触板１４を介
し内部電路の３相分の試験端子６ａに自動的に接
続できる。従つて従来のようにガス再封入処理等
の作業を必要とせず、作業が簡単で速やかに耐圧
試験を行なうことができる。また耐圧試験後、試
験用ケーブル１０を引き抜いた後も開閉装置を大
気中に開放することなくロツド２は所定位置に引
上げられ接地されることにより、接触板１４も接
地電位となり、かつ試験端子６ａと所定の絶縁距
離を保つ位置に開離するので定常運転に支障がな
く速やかに運転状態に切換えることができる。 According to the above configuration, during a withstand voltage test, the internal space of the switchgear can be opened to the atmosphere by inserting the test cable 10 from the outside into the cable connection device 9 provided in the gas-insulated switchgear 1. The cable connection device 10 can be automatically connected to the test terminals 6a of three phases of the internal circuit via the rod 12 and the contact plate 14 while maintaining a gas-tight state. Therefore, there is no need for operations such as gas refilling treatment as in the prior art, and the pressure test can be carried out easily and quickly. In addition, after the withstand voltage test, even after the test cable 10 is pulled out, the rod 2 is pulled up to a predetermined position and grounded without opening the switchgear to the atmosphere, so that the contact plate 14 also becomes the ground potential, and the test terminal 6a Since it opens at a position where a predetermined insulation distance is maintained between the two and the two, the operating state can be quickly switched to without interfering with steady operation.
［背景技術の問題点］
しかしながら、この耐電圧試験装置は、課電の
ために使用する試験用ケーブル１０が30〜50mを
長く、運搬、取扱いが煩雑であるという難点があ
つた。特にこの耐電圧試験装置は、屋外ではほと
んどの場合充電部からの隔離の制限がないので、
この耐電圧試験装置に直接課電可能な課電端子の
開発が望まれていた。[Problems with Background Art] However, this withstand voltage testing device has a drawback in that the test cable 10 used for charging the voltage is long, measuring 30 to 50 m, and is complicated to transport and handle. In particular, this withstand voltage test device is used outdoors, since there is no restriction on isolation from live parts in most cases.
It has been desired to develop a charging terminal that can directly apply power to this withstanding voltage test device.
［発明の目的］
本発明はかかる点に対処してなされたもので、
運搬、取扱いが容易で、直接課電可能としたガス
絶縁開閉装置の耐電圧試験装置用課電端子を提供
することを目的とする。[Object of the invention] The present invention has been made to address the above problems, and
It is an object of the present invention to provide a power charging terminal for a withstand voltage test device for a gas insulated switchgear that is easy to transport and handle and allows direct power charging.
［発明の概要］
本発明のガス絶縁開閉装置の耐電圧試験装置用
課電端子は、両端近傍の導体を露出させた絶縁導
体棒の一端に、試験電圧に耐える気中絶縁距離を
有する絶縁筒を装着し、他端にゴム状弾性を有す
る絶縁体により形成された先端に円錐状テーパー
面を有するストレスコーンを装着し、このストレ
スコーンの後部に押圧金具に固着させ、さらにこ
の押圧金具の後方に取付フランジを有する筒状の
保持金具を遊挿するとともに、前記押圧金具と保
持金具間にスプリングを介挿させたことを特徴と
している。[Summary of the Invention] The charging terminal for a withstand voltage testing device for a gas insulated switchgear of the present invention includes an insulating cylinder having an air insulation distance that can withstand a test voltage at one end of an insulated conductor rod with conductors near both ends exposed. A stress cone with a conical tapered surface is attached to the other end of the stress cone, which is made of an insulator with rubber-like elasticity, and is fixed to a press fitting at the rear of this stress cone. A cylindrical holding fitting having a mounting flange is loosely inserted into the holding fitting, and a spring is interposed between the pressing fitting and the holding fitting.
［発明の実施例］
以下図面に示す一実施例につき本発明の詳細を
説明する。[Embodiment of the Invention] The details of the present invention will be described below with reference to an embodiment shown in the drawings.
第５図は本発明の一実施例の部分断面図であ
る。この実施例のガス絶縁開閉装置の耐電圧試験
装置用課電端子３０は、両端を段剥した短尺の
CVケーブル（架橋ポリエチレン絶縁塩化ビニル
樹脂シースケーブル）３１と、このCVケーブル
３１の一端に装着された試験電圧に耐える気中絶
縁距離を有する絶縁筒３２と、他端に装着された
ゴム状弾性を有する絶縁体、例えばエチレンプロ
ピレンゴムよりなる先端に円錐状テーパー面Ｔを
有するストレスコーン３３と、このストレスコー
ン３３の背面に固着されたフランジ３４ａを有す
る押圧金具３４と、この押圧金具３４の後方に遊
挿された取付フランジ３５ａを有する筒状の保持
金具３５と、押圧金具３４と保持金具３５間に介
挿されたスプリング３６とからその主体部分が構
成されている。 FIG. 5 is a partial cross-sectional view of one embodiment of the present invention. The charging terminal 30 for a withstand voltage test device for gas insulated switchgear in this embodiment is a short one with steps removed at both ends.
A CV cable (cross-linked polyethylene insulated vinyl chloride resin sheathed cable) 31, an insulating tube 32 with an air insulation distance that can withstand the test voltage attached to one end of the CV cable 31, and a rubber-like elastic tube attached to the other end. A stress cone 33 having a conical tapered surface T at the tip made of an insulator such as ethylene propylene rubber, a press fitting 34 having a flange 34a fixed to the back surface of the stress cone 33, and a press fitting 34 having a flange 34a fixed to the back surface of the stress cone 33; Its main portion is composed of a cylindrical holding fitting 35 having a loosely inserted mounting flange 35a, and a spring 36 inserted between the pressing fitting 34 and the holding fitting 35.
CVケーブル３１の両端の露出した導体３７の
一端には導電プラグ３８が嵌着され、他端には導
体棒３９が接続されているが、このCVケーブル
３１は所定の形状に成形した導体棒の中央（絶縁
筒３２とストレスコーン３３で覆われていない部
分）に、例えばエポキシ樹脂による絶縁被覆を施
した絶縁導体棒で置き換えることもできる。 A conductive plug 38 is fitted to one end of the exposed conductor 37 at both ends of the CV cable 31, and a conductor bar 39 is connected to the other end. The center (portion not covered by the insulating tube 32 and stress cone 33) can be replaced with an insulated conductor rod coated with an epoxy resin, for example.
絶縁筒３２には、長手方向にCVケーブル３１
の絶縁体５４の外径よりやや大径の挿通孔が穿設
され、外周には沿面距離を増加させるためのひだ
３２ａが形成されており、全体がエチレンプロピ
レンゴムにより一体成形されている。 A CV cable 31 is inserted into the insulation tube 32 in the longitudinal direction.
An insertion hole having a diameter slightly larger than the outer diameter of the insulator 54 is formed, and a pleat 32a is formed on the outer periphery to increase the creepage distance, and the whole is integrally molded from ethylene propylene rubber.
この絶縁筒３２は、絶縁コンパウンドの塗布さ
れたCVケーブル３１の絶縁体５４上に被嵌され、
その基部に設けた円錐状テーパー面上にCVケー
ブル３１の銅テープ遮蔽層５５から半導電自己融
着テープ５２が巻回され、さらにCVケーブル３
１のシース５３から最下段のひだの付け根まで絶
縁性の自己融着テープと粘着ビニルテープとによ
り防水保護層４０が形成される。 This insulating tube 32 is fitted onto the insulator 54 of the CV cable 31 coated with an insulating compound,
A semiconductive self-fusing tape 52 is wound from the copper tape shielding layer 55 of the CV cable 31 onto the conical tapered surface provided at the base of the CV cable 31.
A waterproof protective layer 40 is formed from the first sheath 53 to the base of the lowest fold by an insulating self-fusing tape and an adhesive vinyl tape.
ストレスコーン３３は、背面にベルマウス４１
を一体モールドにより形成されており、このベル
マウス４１をCVケーブル３１の半導電層４２へ
電気的に接続させるようにしてCVケーブル３１
の絶縁体５４上に被嵌されている。なお、絶縁筒
３２およびストレスコーン３３は金型を用いて
CVケーブル３１の絶縁体上へ直接形成させるよ
うにしてもよい。 The stress cone 33 has a bell mouth 41 on the back.
The bell mouth 41 is electrically connected to the semi-conductive layer 42 of the CV cable 31 so that the CV cable 31
It is fitted onto the insulator 54 of. Note that the insulating cylinder 32 and stress cone 33 are made using a mold.
It may also be formed directly on the insulator of the CV cable 31.
押圧金具３４のフランジ３４ａには、それぞれ
スプリング３６を遊嵌させた複数本のガイドボル
ト４３が同一円周上に等間隔で立設され、このガ
イドボルト４３は、保持金具３５の内側に固設さ
れたガイドプレート４４にこのガイドボルト４３
に対応させて穿設したガイド孔４５に遊挿されて
いる。４６は、CVケーブル３１の銅テープ遮蔽
層５５とガイドプレート４４とを電気的に接続す
る接地線である。 A plurality of guide bolts 43 each having a spring 36 loosely fitted thereon are erected on the same circumference at equal intervals on the flange 34a of the press fitting 34, and these guide bolts 43 are fixed inside the holding fitting 35. This guide bolt 43 is attached to the guide plate 44
It is loosely inserted into a guide hole 45 that is bored correspondingly. Reference numeral 46 denotes a ground wire that electrically connects the copper tape shielding layer 55 of the CV cable 31 and the guide plate 44.
保持金具３５の上部内周には防水パツキング４
７が嵌着され、さらにその後方に保持金具３５に
係合されてケーブルクランプ４８が嵌合されてい
る。４９，５０は導体棒３９に装着されたそれぞ
れ固定端子および風車式検電器であり、５１は不
使用時にストレスコーン３３の全体に被嵌され、
保持金具３４のフランジに固定される保護キヤツ
プである。 Waterproof packing 4 is provided on the inner circumference of the upper part of the holding fitting 35.
7 is fitted, and a cable clamp 48 is further fitted behind it by being engaged with the holding fitting 35. 49 and 50 are a fixed terminal and a windmill voltage detector respectively attached to the conductor bar 39; 51 is fitted over the entire stress cone 33 when not in use;
This is a protective cap fixed to the flange of the holding fitting 34.
次に本発明の課電端子の使用方法について説明
する。この課電端子が用いられるガス絶縁開閉装
置の耐電圧試験装置は、第１図ないし第４図に示
した耐電圧試験装置のケーブル接続装置９をスト
レスコーン３３を嵌着可能な構成とした点を除い
て同一構造であるので、以下の説明において本発
明の課電端子の装置される耐電圧試験装置の構成
は第１図ないし第４図を用いて説明する。 Next, a method of using the charging terminal of the present invention will be explained. A withstand voltage testing device for gas insulated switchgear using this charging terminal has a structure in which the cable connecting device 9 of the withstanding voltage testing device shown in FIGS. 1 to 4 is configured to be able to fit a stress cone 33. 1 to 4, the structure of the withstand voltage testing apparatus in which the energizing terminal of the present invention is installed will be explained in the following description.
まず、本発明の課電端子の使用にあたつては、
保護キヤツプ５１を取外し、全体を鉛直状態にし
てストレスコーン３３を第３図における絶縁筒１
１内に挿入する。ストレスコーン３３が絶縁筒１
１内に挿入されると、所定の下降位置において接
触子１３に導電プラグ３８が自動的に接続し、同
時に接触板１４は３相分の試験端子６ａと圧接す
る。この状態で保持金具３５の取付フランジ３５
ａを上部カバー８にボルト止めすれば、ストレス
コーン３３前面の円錐状テーパー面Ｔがスプリン
グ３６により絶縁筒１１内面に圧接されて絶縁が
保証される。 First, when using the charging terminal of the present invention,
Remove the protective cap 51, put the entire stress cone 33 in a vertical position, and attach it to the insulating tube 1 in FIG.
Insert within 1. The stress cone 33 is the insulation tube 1
1, the conductive plug 38 is automatically connected to the contact 13 at a predetermined lowered position, and at the same time the contact plate 14 is brought into pressure contact with the test terminals 6a for three phases. In this state, the mounting flange 35 of the holding fitting 35
When a is bolted to the upper cover 8, the conical tapered surface T on the front surface of the stress cone 33 is pressed against the inner surface of the insulating cylinder 11 by the spring 36, thereby ensuring insulation.
一方、耐圧試験後課電端子を引き抜いた後は第
４図に示すように従来と同様に処置される。 On the other hand, after the energizing terminal is pulled out after the withstand voltage test, the procedure is carried out in the same manner as in the conventional case, as shown in FIG.
［発明の効果］
以上説明したように本発明のガス絶縁開閉装置
の耐電圧試験装置用課電端子は、試験の都度分解
作業等を伴うことなく外部から簡単に試験電圧を
印加することが可能で、かつ試験後速やかに運転
状態に切換えることができ、特に試験用ケーブル
が不要となり小型軽量となるので試験時の組立解
体が容易になる。[Effects of the Invention] As explained above, the voltage application terminal for the withstand voltage test device for gas insulated switchgear of the present invention allows test voltage to be easily applied from the outside without requiring disassembly work each time a test is performed. Moreover, it can be quickly switched to the operating state after the test, and since there is no need for test cables, it is small and lightweight, making it easy to assemble and disassemble during the test.
第１図および第２図は従来のガス絶縁開閉装置
の耐電圧試験装置を示す断面図、第３図および第
４図はその使用状態を示す拡大断面図、第５図は
本発明の一実施例の部分断面図である。
３１……CVケーブル、３２……絶縁筒、３３
……ストレスコーン、３４……押圧金具、３５…
…保持金具、３５ａ……取付フランジ、３６……
スプリング、Ｔ……円錐状テーパー面。
1 and 2 are cross-sectional views showing a conventional withstand voltage testing device for gas-insulated switchgear, FIGS. 3 and 4 are enlarged cross-sectional views showing how the device is used, and FIG. 5 is an embodiment of the present invention. FIG. 3 is a partial cross-sectional view of an example. 31...CV cable, 32...Insulation tube, 33
...Stress cone, 34...Press fitting, 35...
...Holding bracket, 35a...Mounting flange, 36...
Spring, T...conical tapered surface.
Claims (1)
端に、試験電圧に耐える気中絶縁距離を有する絶
縁筒を装着し、他端にゴム状弾性を有する絶縁体
により形成された先端に円錐状テーパー面を有す
るストレスコーンを装着し、このストレスコーン
の後部に押圧金具を固着させ、さらにこの押圧金
具の後方に取付フランジを有する筒状の保持金具
を遊挿するとともに、前記押圧金具と保持金具間
にスプリングを介挿させたことを特徴とするガス
絶縁開閉装置の耐電圧試験装置用課電端子。1. At one end of the insulated conductor rod with the conductor near both ends exposed, an insulating tube with an air insulation distance that can withstand the test voltage is attached, and at the other end, a conical tube is attached to the tip formed of an insulator with rubber-like elasticity. A stress cone with a tapered surface is attached, a press fitting is fixed to the rear of the stress cone, a cylindrical holding fitting having a mounting flange is loosely inserted to the rear of the pressing fitting, and the pressing fitting and the holding fitting are attached. A charging terminal for a withstand voltage test device for a gas insulated switchgear, characterized in that a spring is inserted between the terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57068329A JPS58186062A (en) | 1982-04-23 | 1982-04-23 | Charging terminal of withstand voltage testing device in gas insulation switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57068329A JPS58186062A (en) | 1982-04-23 | 1982-04-23 | Charging terminal of withstand voltage testing device in gas insulation switch gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58186062A JPS58186062A (en) | 1983-10-29 |
| JPH0373827B2 true JPH0373827B2 (en) | 1991-11-25 |
Family
ID=13370677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57068329A Granted JPS58186062A (en) | 1982-04-23 | 1982-04-23 | Charging terminal of withstand voltage testing device in gas insulation switch gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58186062A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5374532B2 (en) * | 2011-03-25 | 2013-12-25 | 株式会社エクシム | Pre-mold insulator partial discharge test apparatus and pre-mold insulator partial discharge test method |
| CN111190078A (en) * | 2019-12-20 | 2020-05-22 | 河南平高电气股份有限公司 | Detection tool and detection equipment for insulating pull rod |
-
1982
- 1982-04-23 JP JP57068329A patent/JPS58186062A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58186062A (en) | 1983-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3767835A (en) | Pothead termination comprising a vapor condenser and a tubular conductor extension containing a vaporizable liquid, and method | |
| JPH0373827B2 (en) | ||
| JP2613404B2 (en) | Insulation bus connection method | |
| JP3397918B2 (en) | Withstand voltage test method for power cable lines | |
| JPH0723846Y2 (en) | T-type branch connection | |
| JPH079561Y2 (en) | Electrical equipment | |
| JP6496638B2 (en) | Mobile substation | |
| JPH0646162Y2 (en) | Electrical equipment | |
| JPH06160462A (en) | Device for testing conic insulating block | |
| JP2579114Y2 (en) | Terminal connection for DC cable | |
| JPS6226426B2 (en) | ||
| JPS58940Y2 (en) | cutout grounding device | |
| JPS5943700Y2 (en) | Lead connection structure in duct | |
| JPH0641301Y2 (en) | Electrical equipment | |
| JP2822730B2 (en) | Pre-mold insulator insertion jig | |
| JP3033909B2 (en) | Slip-on type air termination box | |
| JP2521381Y2 (en) | Cable air termination | |
| JP2619899B2 (en) | Cable testing equipment | |
| US1989930A (en) | Means for terminating multiconductor high voltage cables | |
| JP2955105B2 (en) | Cable head for device connection | |
| JPH0644247Y2 (en) | Electrical equipment | |
| KR920001227Y1 (en) | Cable terminating boxes | |
| JPS6019474Y2 (en) | gas insulated electrical equipment | |
| JPH0446219Y2 (en) | ||
| JP3175556B2 (en) | Cable termination connection |