JPS57189074A - Corona measuring method for power cable - Google Patents
Corona measuring method for power cableInfo
- Publication number
- JPS57189074A JPS57189074A JP56074699A JP7469981A JPS57189074A JP S57189074 A JPS57189074 A JP S57189074A JP 56074699 A JP56074699 A JP 56074699A JP 7469981 A JP7469981 A JP 7469981A JP S57189074 A JPS57189074 A JP S57189074A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- terminal
- shielding layer
- power cable
- sensor
- 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
- 239000004020 conductor Substances 0.000 abstract 6
- 239000003990 capacitor Substances 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56074699A JPS57189074A (en) | 1981-05-18 | 1981-05-18 | Corona measuring method for power cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56074699A JPS57189074A (en) | 1981-05-18 | 1981-05-18 | Corona measuring method for power cable |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57189074A true JPS57189074A (en) | 1982-11-20 |
JPH0353583B2 JPH0353583B2 (enrdf_load_stackoverflow) | 1991-08-15 |
Family
ID=13554728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56074699A Granted JPS57189074A (en) | 1981-05-18 | 1981-05-18 | Corona measuring method for power cable |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57189074A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6072578U (ja) * | 1983-10-21 | 1985-05-22 | 三菱電線工業株式会社 | ケ−ブルの部分放電測定装置 |
JPS61187671A (ja) * | 1985-02-15 | 1986-08-21 | Showa Electric Wire & Cable Co Ltd | 電力ケ−ブルの絶縁試験装置 |
US5323117A (en) * | 1989-10-25 | 1994-06-21 | Hitachi Cable, Ltd. | Method for detecting partial discharge in an insulation of an electric power apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5543465A (en) * | 1978-09-22 | 1980-03-27 | Showa Electric Wire & Cable Co Ltd | Detection method of partial discharge pulse |
JPS5637567A (en) * | 1979-09-05 | 1981-04-11 | Central Res Inst Of Electric Power Ind | Noise rejection system in corona detection apparatus |
-
1981
- 1981-05-18 JP JP56074699A patent/JPS57189074A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5543465A (en) * | 1978-09-22 | 1980-03-27 | Showa Electric Wire & Cable Co Ltd | Detection method of partial discharge pulse |
JPS5637567A (en) * | 1979-09-05 | 1981-04-11 | Central Res Inst Of Electric Power Ind | Noise rejection system in corona detection apparatus |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6072578U (ja) * | 1983-10-21 | 1985-05-22 | 三菱電線工業株式会社 | ケ−ブルの部分放電測定装置 |
JPS61187671A (ja) * | 1985-02-15 | 1986-08-21 | Showa Electric Wire & Cable Co Ltd | 電力ケ−ブルの絶縁試験装置 |
US5323117A (en) * | 1989-10-25 | 1994-06-21 | Hitachi Cable, Ltd. | Method for detecting partial discharge in an insulation of an electric power apparatus |
EP0806676A1 (en) * | 1989-10-25 | 1997-11-12 | Hitachi Cable, Ltd. | Use of detecting electrode to measure partial discharge in a wire |
Also Published As
Publication number | Publication date |
---|---|
JPH0353583B2 (enrdf_load_stackoverflow) | 1991-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2243226A1 (en) | Three-phase electrical power measurement system | |
GB1169706A (en) | An Electrical Fault Detector | |
ES8501125A1 (es) | Sistema para la medicion dinamica de una corriente electrica | |
HK42786A (en) | Electronic devices for producing an output signal related to electrical power | |
DE3470223D1 (en) | An apparatus for sensing and measuring a current on a power transmission line | |
DE3783217D1 (de) | Uebertragungskabelverbinder mit einer profilierten huelse. | |
JPS57189074A (en) | Corona measuring method for power cable | |
US6140823A (en) | Method and apparatus for measuring a transfer impedance of shielded devices and common mode currents in shieldings | |
JPS562569A (en) | Insulating resistance measuring instrument | |
DE3363169D1 (en) | Potential equalizing apparatus | |
DK347579A (da) | Elektrisk ledende samling forbindelseskabel med mindst en saadan samling samt fremgangsmaade til at forsyne et isoleret fladkabel med saadanne smlinger | |
FR2535850B1 (enrdf_load_stackoverflow) | ||
DE69933935D1 (de) | Isolator für elektrische leiter mit aussenabschirmung. | |
JPS5512729A (en) | Magnetic coupling apparatus | |
ES8202221A1 (es) | Perfeccionamientos en las disposiciones circuitales capaces de medir las caracteristicas electricas de lineas telefoni- cas de los usuarios | |
SU1161886A1 (ru) | Устройство дл измерени параметров импульсов тока в высокопотенциальных цеп х | |
SU783699A1 (ru) | Устройство дл измерени потерь на коронный разр д в линии электропередачи | |
NO814067L (no) | Elektrisk forbindelse mellom kobber- og titanledere | |
GB751564A (en) | Improvements in or relating to electrical circuits for telephone systems | |
JPS56143683A (en) | Position measuring device with contact bush for electric connection | |
JPS54136360A (en) | Element fixing terminal | |
JPS54140572A (en) | Cable insulation monitoring method | |
JPS53138377A (en) | Insulation testing method | |
JPS5716501A (en) | Switching method for input and output of electric motor vehicle general testing apparatus | |
JPS535789A (en) | Tape electric wire couplin g method |