JPH0345346B2 - - Google Patents
Info
- Publication number
- JPH0345346B2 JPH0345346B2 JP57214136A JP21413682A JPH0345346B2 JP H0345346 B2 JPH0345346 B2 JP H0345346B2 JP 57214136 A JP57214136 A JP 57214136A JP 21413682 A JP21413682 A JP 21413682A JP H0345346 B2 JPH0345346 B2 JP H0345346B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- terminal
- oil
- conductor
- cable
- 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
Landscapes
- Testing Relating To Insulation (AREA)
Description
【発明の詳細な説明】
本発明は高電圧ケーブルの交流課電試験装置に
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an AC charging test device for high voltage cables.
従来、ケーブルの使用状態における誘電特性の
測定は専用の高電圧標準コンデンサを別途用意し
例えばシエーリングブリツジ回路により行つてい
る。例えば使用電圧を800KVとして50pFの容量
を有する標準コンデンサを形成する場合には大き
な気中ブツシングが必要となり大型であると共に
価格も非常に大となる。 Conventionally, the measurement of the dielectric characteristics of a cable in its used state has been carried out by separately preparing a dedicated high-voltage standard capacitor and using, for example, a Schering bridge circuit. For example, when forming a standard capacitor with a capacitance of 50 pF using a working voltage of 800 KV, a large amount of air bushing is required, resulting in a large size and a very high price.
本発明の目的は高電圧標準コンデンサをこの種
のケーブル課電試験端末のガス絶縁部に組込むこ
とにより試験装置全体の寸法を最小とすると共に
価格の低廉化を実現することである。 It is an object of the present invention to minimize the overall size of the test apparatus and to reduce its cost by incorporating a high voltage standard capacitor into the gas insulation part of this type of cable charging test terminal.
以下図面に示す実施例にもとづき本発明を詳述
する。 The present invention will be described in detail below based on embodiments shown in the drawings.
第１図において、本発明のケーブル課電試験端
末は気中課電端末部１と、油密ブツシング４によ
り隔てられた例えばSF6ガスを用いるガス中端末
部と、油密ブツシング１３により隔てられた供試
ケーブル１４の端末部とから構成される。気中課
電端末部１においては従来のごとくに高電圧が課
電される導体３を有するケーブルに対して端末補
強部７および接地電極６を付与し、気中ブツシン
グ２内に収納し、ブツシング２内に適当な絶縁油
５を充填して形成されている。また、供試ケーブ
ル端末部は同様にして補強部材を設けた供試ケー
ブルを金属管内に配置し、適当な絶縁油１５を充
填して形成されている。なお図中２０は供試ケー
ブル接地線を示している。 In FIG. 1, the cable charging test terminal of the present invention includes an air charging terminal section 1, a gas terminal section using SF 6 gas, for example, which is separated by an oil-tight bushing 4, and an oil-tight bushing 13. and the terminal portion of the test cable 14. In the aerial charging terminal section 1, a terminal reinforcing section 7 and a ground electrode 6 are provided to a cable having a conductor 3 to which a high voltage is applied as in the past, and the terminal reinforcement section 7 and the ground electrode 6 are housed in the aerial bushing 2. 2 is filled with a suitable insulating oil 5. Further, the test cable end portion is similarly formed by arranging the test cable provided with a reinforcing member in a metal tube and filling it with an appropriate insulating oil 15. Note that 20 in the figure indicates a test cable grounding wire.
ガス中端末部は略Ｌ字形をなす耐圧金属容器１
６を有し、気中課電端末部１の油密ブツシング４
を貫通する導体３を収納して形成される。ガス中
端末部の導体３の他端は油密ブツシング１３を貫
通して水平配置となつた供試ケーブル端末部へと
伸びており、その先端は供試ケーブルの端末部導
体を受け入れるのに適した形状となつている。こ
のガス中端末部にはSF6のごとき絶縁性ガス１２
が充填されている。 A pressure-resistant metal container 1 whose terminal part in the gas is approximately L-shaped.
6, and an oil-tight bushing 4 of the air charging terminal part 1.
It is formed by accommodating the conductor 3 that passes through the. The other end of the conductor 3 at the end in the gas passes through the oil-tight bushing 13 and extends to the end of the test cable arranged horizontally, and its tip is suitable for receiving the end conductor of the test cable. It has a similar shape. Insulating gas 12 such as SF 6 is added to the terminal part of this gas.
is filled.
本発明によればガス中端末部における導体３に
標準コンデンサ用高圧電極８が設けられ、それに
対向する耐圧金属容器１６の内面附近に測定電極
９が設けられる。測定電極９の上下にはガード電
極１０が配置され静電力線の均一化を得るごとく
に構成される。 According to the present invention, a standard capacitor high-voltage electrode 8 is provided on the conductor 3 at the end portion in the gas, and a measuring electrode 9 is provided near the inner surface of the pressure-resistant metal container 16 facing thereto. Guard electrodes 10 are arranged above and below the measurement electrode 9, and are configured to make the electrostatic force lines uniform.
測定電極９と容器１６との間には遮蔽電極１１
が配置されており、この遮蔽電極１１はガード電
極１０と接続されている。これにより測定電極９
と容器１６の接地電位との間の結合を防止してい
る。 A shielding electrode 11 is provided between the measurement electrode 9 and the container 16.
is arranged, and this shield electrode 11 is connected to the guard electrode 10. As a result, the measuring electrode 9
and the ground potential of the container 16 is prevented.
測定電極９は適当な導線により容器１６の外部
の測定端子１７に接続し、遮蔽電極１１は同じく
適当な導線によりガード電極外部端子１８に接続
する。この容器１６は接地端子１９に接続して接
地されて安全を保証されている。 The measuring electrode 9 is connected to a measuring terminal 17 on the outside of the container 16 by a suitable conducting wire, and the shielding electrode 11 is connected to a guard electrode external terminal 18 also by a suitable conducting wire. This container 16 is connected to a ground terminal 19 and grounded to ensure safety.
すなわち本発明によれば従来別途設けられて大
型の気中ブツシングを用いて接続されていた標準
コンデンサがガス中端末部の内部に形成されるた
め、装置全体が小型軽量化されると共にその価格
を大幅に低下させることが出来る。 In other words, according to the present invention, the standard capacitor, which was conventionally provided separately and connected using a large air bushing, is formed inside the gas submerged terminal, making the entire device smaller and lighter, as well as reducing its cost. It can be significantly reduced.
なお、電極群８，９，１０，１１を課電特性測
定用の標準コンデンサ以外の目的に使用すること
も勿論可能であり、例えばコロナ測定用の結合コ
ンデンサとしても使用出来、更に課電電圧測定用
結合コンデンサあるいは課電圧波形測定用のＣ分
圧器としても当然使用可能である。また、このよ
うな電極群を複数個設けることにより、異つた測
定を同時に行うことも可能である。 Note that it is of course possible to use the electrode groups 8, 9, 10, and 11 for purposes other than standard capacitors for measuring charged characteristics; for example, they can be used as coupling capacitors for corona measurements, and they can also be used to measure charged voltages. Of course, it can also be used as a coupling capacitor for applications or as a C voltage divider for measuring applied voltage waveforms. Further, by providing a plurality of such electrode groups, it is also possible to perform different measurements simultaneously.
第１図は本発明の一実施例の部分断面図であ
る。
１……気中課電端末部、２……気中ブツシン
グ、３……高電圧課電導体、４……気中側油密ブ
ツシング、５，１５……絶縁油、６……接地電
極、７……気中側端末補強部、８……標準コンデ
ンサ用高圧電極、９……測定電極、１０……ガー
ド電極、１１……遮蔽電極、１２……SF6絶縁性
ガス、１３……油密ブツシング、１４……供試ケ
ーブル、１６……耐圧金属容器、１７……測定端
子、１８……ガード電極外部端子、１９……接地
端子、２０……供試ケーブル接地線。
FIG. 1 is a partial cross-sectional view of one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Air charge terminal part, 2... Air bushing, 3... High voltage charge conductor, 4... Air-tight bushing, 5, 15... Insulating oil, 6... Ground electrode, 7... Air side terminal reinforcement part, 8... High voltage electrode for standard capacitor, 9... Measurement electrode, 10... Guard electrode, 11... Shielding electrode, 12... SF 6 insulating gas, 13... Oil Tight bushing, 14... Test cable, 16... Pressure-resistant metal container, 17... Measurement terminal, 18... Guard electrode external terminal, 19... Grounding terminal, 20... Test cable grounding wire.
Claims (1)
り隔てられたガス中端末部と、油密ブツシング１
３により隔てられた供試ケーブル１４の端末部と
からなるケーブル課電試験端末の構造において、
上記ガス中端末部を、略Ｌ字形をなす耐圧金属容
器１６と、油密ブツシング４を貫通する気中課電
端末部１の導体３と油密ブツシング１３を貫通し
て伸びその先端が供試ケーブル１４の端末部導体
を受け入れるのに適した形状となつている導体３
の間に位置して且つ上記耐圧金属容器１６の略中
心付近に収納された標準コンデンサ用高圧電極８
と、高圧電極８と対向して耐圧金属容器１６の内
面付近に配置された測定電極９と、測定電極９の
上下に配置されたガード電極１０と、測定電極９
と耐圧金属容器１６の間に配置され且つ自身の上
下両側をガード電極１０に接続した遮蔽電極１１
とより構成してなることを特徴とするケーブル課
電試験端末の構造。1 An air charging terminal part 1, a gas submerged terminal part separated by an oil-tight bushing 4, and an oil-tight bushing 1
In the structure of the cable charging test terminal consisting of the terminal part of the test cable 14 separated by 3,
The above-mentioned gas submerged terminal part is connected to a substantially L-shaped pressure-resistant metal container 16, a conductor 3 of the air-current charging terminal part 1 which passes through an oil-tight bushing 4, and a conductor 3 which extends through the oil-tight bushing 13 and its tip is tested. conductor 3 having a shape suitable for receiving the terminal conductor of cable 14;
a standard capacitor high-voltage electrode 8 located between the two and housed approximately in the center of the pressure-resistant metal container 16;
, a measurement electrode 9 placed near the inner surface of the pressure-resistant metal container 16 facing the high-voltage electrode 8 , a guard electrode 10 placed above and below the measurement electrode 9 , and a measurement electrode 9 placed above and below the measurement electrode 9 .
and a pressure-resistant metal container 16, and the shield electrode 11 has its upper and lower sides connected to the guard electrode 10.
A structure of a cable charging test terminal characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21413682A JPS59104567A (en) | 1982-12-07 | 1982-12-07 | Structure of cable charging test terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21413682A JPS59104567A (en) | 1982-12-07 | 1982-12-07 | Structure of cable charging test terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59104567A JPS59104567A (en) | 1984-06-16 |
| JPH0345346B2 true JPH0345346B2 (en) | 1991-07-10 |
Family
ID=16650819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21413682A Granted JPS59104567A (en) | 1982-12-07 | 1982-12-07 | Structure of cable charging test terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59104567A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62156574A (en) * | 1985-12-27 | 1987-07-11 | Hitachi Cable Ltd | Method for detecting deterioration of power cable terminal connections |
| JPS63253269A (en) * | 1987-04-10 | 1988-10-20 | Fujikura Ltd | Terminating equipment for measuring partial discharge |
| JPH01189571A (en) * | 1988-01-22 | 1989-07-28 | Showa Electric Wire & Cable Co Ltd | Testing apparatus of cable |
| JPH0628709Y2 (en) * | 1988-02-17 | 1994-08-03 | 昭和電線電纜株式会社 | Cable testing equipment |
| CN102800476B (en) * | 2012-08-28 | 2015-07-08 | 西安布伦帕电力无功补偿技术有限公司 | High-voltage standard capacitor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5013722U (en) * | 1973-06-08 | 1975-02-13 | ||
| JPS547384A (en) * | 1977-06-17 | 1979-01-20 | Mitsubishi Electric Corp | Detecting method of partial discharge position |
| JPH0233996B2 (en) * | 1981-02-04 | 1990-07-31 | Showa Electric Wire & Cable Co | DENRYOKUKEEBURUNOBUBUNHODENSOKUTEIHOHO |
-
1982
- 1982-12-07 JP JP21413682A patent/JPS59104567A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59104567A (en) | 1984-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3396339A (en) | Capacitive voltage sensing device including coaxially disposed conductive tubes and electrical discharge inhibition means | |
| EP2857848A1 (en) | Capacitive voltage measuring apparatus | |
| US1873977A (en) | Condenser bushing | |
| CN87107192A (en) | Lightning protection transmission device | |
| Hagenguth | Volt-time areas of impulse spark-over | |
| JPH0345346B2 (en) | ||
| CN205050651U (en) | High -tension bushing and isolated bus | |
| Hagenguth et al. | Sixty-Cycle and Impulse Sparkover of Large Gap Spacings [includes discussion] | |
| CN102005289B (en) | Resistor-capacitor voltage division principle-based voltage transformer | |
| Hosokawa et al. | Dielectric performance of improved gas insulated bushing for UHV GIS | |
| WO2012141609A1 (en) | Capacitive voltage divider for hermetically sealed unitized distribution devices | |
| US1563946A (en) | High-tension terminal | |
| CN207923991U (en) | A kind of compound high-voltage bleeder | |
| CN115166439B (en) | Three-electrode device for testing dielectric properties of inorganic powder and application method thereof | |
| US3197551A (en) | Cable terminals with shielding capacitors | |
| Ryan et al. | Computation of electric field distributions in high-voltage equipment | |
| GB1416233A (en) | Electrical bushing | |
| JPS56122963A (en) | Measuring device for partial discharge | |
| JPH0432488B2 (en) | ||
| JPS5559350A (en) | Simple corona test method for insulating spacer | |
| JPH01189571A (en) | Testing apparatus of cable | |
| Liao et al. | Surface Electric Field Distribution and Floating Potential Measurement of Double-Break Vacuum Interrupters | |
| GB629162A (en) | Improvements relating to the construction and testing of high voltage insulators | |
| JPS5838751Y2 (en) | insulation spacer | |
| JPS6128305B2 (en) |