FR2415297B1 - - Google Patents
Info
- Publication number
- FR2415297B1 FR2415297B1 FR7901372A FR7901372A FR2415297B1 FR 2415297 B1 FR2415297 B1 FR 2415297B1 FR 7901372 A FR7901372 A FR 7901372A FR 7901372 A FR7901372 A FR 7901372A FR 2415297 B1 FR2415297 B1 FR 2415297B1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/26—Means for detecting the presence of an arc or other discharge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Installation Of Bus-Bars (AREA)
- Testing Relating To Insulation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP371278A JPS5497482A (en) | 1978-01-19 | 1978-01-19 | Detecting method of intermixed foreign matter in gas tight electric apparatus |
| JP371178A JPS5497481A (en) | 1978-01-19 | 1978-01-19 | Detecting method of intermixed foreign matter in gas tight electric apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2415297A1 FR2415297A1 (fr) | 1979-08-17 |
| FR2415297B1 true FR2415297B1 (US20080005853A1-20080110-C00027.png) | 1983-07-08 |
Family
ID=26337345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7901372A Granted FR2415297A1 (fr) | 1978-01-19 | 1979-01-19 | Procede et appareil de detection des matieres etrangeres dans un appareil electrique a isolant gazeux |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3708188C2 (de) * | 1987-03-13 | 1998-10-29 | Hergeth Hubert A | Verfahren zur Feststellung von Fremdteilen in einer Textilfaser-Aufbereitungsanlage |
| JP2641588B2 (ja) * | 1990-03-09 | 1997-08-13 | 株式会社日立製作所 | 電力機器およびその異常標定方法 |
| DE9420199U1 (de) * | 1994-12-07 | 1995-02-09 | Siemens AG, 80333 München | Metallgekapselte Hochspannungsschaltanlage |
| FR2868845B1 (fr) * | 2004-04-13 | 2006-05-26 | Areva T & D Sa | Procede de detection et de localisation de source de decharge partielle dans un appareil electrique |
| JP5135129B2 (ja) * | 2008-08-29 | 2013-01-30 | 株式会社東芝 | ガス絶縁装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1170534B (de) * | 1962-10-16 | 1964-05-21 | Licentia Gmbh | Verfahren zur Ortung von Entladungsstellen bei der Wechselspannungspruefung von Trans-formatoren u. dgl. |
| US3262515A (en) * | 1963-07-12 | 1966-07-26 | John J Drum | Apparatus for locating arcs in waveguides |
| FR1525928A (fr) * | 1966-12-14 | 1968-05-24 | Gen Electric | Dispositif de contrôle et de localisation de défaut d'isolement |
| US3505597A (en) * | 1967-12-13 | 1970-04-07 | Westinghouse Electric Corp | Corona testing apparatus including an oscilloscope and mechanical to electrical transducers having signal isolating means therebetween |
| US3612992A (en) * | 1969-09-30 | 1971-10-12 | Westinghouse Electric Corp | Corona testing apparatus including energy storage means for indicating time difference between corona signals |
| US3622872A (en) * | 1970-04-16 | 1971-11-23 | Westinghouse Electric Corp | Methods and apparatus for detecting and locating corona discharge in high-voltage, fluid-filled electrical inductive apparatus |
| US4158169A (en) * | 1977-12-06 | 1979-06-12 | Westinghouse Electric Corp. | Corona testing apparatus including acoustic waveguides for transmitting acoustic emissions from electrical apparatus |
-
1979
- 1979-01-02 US US06/000,571 patent/US4231258A/en not_active Expired - Lifetime
- 1979-01-10 DE DE2900739A patent/DE2900739B2/de not_active Withdrawn
- 1979-01-17 CH CH42579A patent/CH638314A5/de not_active IP Right Cessation
- 1979-01-18 SE SE7900453A patent/SE438734B/sv not_active IP Right Cessation
- 1979-01-19 FR FR7901372A patent/FR2415297A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2900739A1 (de) | 1979-07-26 |
| SE7900453L (sv) | 1979-07-20 |
| DE2900739B2 (de) | 1980-10-09 |
| SE438734B (sv) | 1985-04-29 |
| FR2415297A1 (fr) | 1979-08-17 |
| CH638314A5 (de) | 1983-09-15 |
| US4231258A (en) | 1980-11-04 |
