FR2640386B1 - DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE - Google Patents

DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE

Info

Publication number
FR2640386B1
FR2640386B1 FR8816223A FR8816223A FR2640386B1 FR 2640386 B1 FR2640386 B1 FR 2640386B1 FR 8816223 A FR8816223 A FR 8816223A FR 8816223 A FR8816223 A FR 8816223A FR 2640386 B1 FR2640386 B1 FR 2640386B1
Authority
FR
France
Prior art keywords
detection
closed enclosure
visual
flows
visual flows
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
Application number
FR8816223A
Other languages
French (fr)
Other versions
FR2640386A1 (en
Inventor
Doan Van Pham
Jean-Pierre Dupraz
Ai Bui
Pierre Destruel
Jean Farenc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alstom Holdings SA
Original Assignee
GEC Alsthom SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GEC Alsthom SA filed Critical GEC Alsthom SA
Priority to FR8816223A priority Critical patent/FR2640386B1/en
Priority to CH414089A priority patent/CH681660A5/en
Publication of FR2640386A1 publication Critical patent/FR2640386A1/en
Application granted granted Critical
Publication of FR2640386B1 publication Critical patent/FR2640386B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01R31/1254—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 gas-insulated power appliances or vacuum gaps

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)
FR8816223A 1988-12-09 1988-12-09 DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE Expired - Lifetime FR2640386B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8816223A FR2640386B1 (en) 1988-12-09 1988-12-09 DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE
CH414089A CH681660A5 (en) 1988-12-09 1989-11-17 Electrical discharger detector for sulphur hexa:fluoride enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8816223A FR2640386B1 (en) 1988-12-09 1988-12-09 DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE

Publications (2)

Publication Number Publication Date
FR2640386A1 FR2640386A1 (en) 1990-06-15
FR2640386B1 true FR2640386B1 (en) 1991-04-12

Family

ID=9372776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8816223A Expired - Lifetime FR2640386B1 (en) 1988-12-09 1988-12-09 DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE

Country Status (2)

Country Link
CH (1) CH681660A5 (en)
FR (1) FR2640386B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2668294B1 (en) * 1990-10-22 1993-09-24 Alsthom Gec ARC DETECTION CIRCUIT BREAKER.
FR2674337A1 (en) * 1991-03-21 1992-09-25 Alsthom Gec Device for the detection of visible discharges in a closed vessel and the equipping of an electrical control panel with such a device
FR2682527B1 (en) * 1991-10-10 1993-11-19 Gec Alsthom Sa CIRCUIT BREAKER WITH A COMPOSITE MATERIAL EQUIPPED WITH A MONITORING DEVICE.
FR2684232A1 (en) * 1991-11-22 1993-05-28 Alsthom Gec VACUUM CIRCUIT BREAKER PROVIDED WITH SELF-DIAGNOSTIC MEANS.
FR2692682B1 (en) * 1992-06-19 1994-08-19 Alsthom Gec Fluorescent optical fiber and its application to high voltage electrical equipment.
FR2719125B1 (en) * 1994-04-21 1996-05-31 Gec Alsthom T & D Sa Internal arc detection device for gas insulated high voltage cable.
FR2721114B1 (en) * 1994-06-08 1996-07-19 Gec Alsthom T & D Sa Fiber optics and its manufacturing process.
FR2744279B1 (en) * 1996-01-31 1998-03-13 Gec Alsthom T & D Sa INTERNAL ARC DETECTION DEVICE FOR GAS INSULATED ELECTRICAL CABLE
GB2477970A (en) * 2010-02-19 2011-08-24 Vestas Wind Sys As Optical electrical fault detection in a wind energy electrical cabinet
CN111751602B (en) * 2020-07-15 2022-04-08 武汉启亦电气有限公司 Electroscope for distribution network insulated conductor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403826A (en) * 1981-03-23 1983-09-13 Bell Telephone Laboratories, Incorporated Ultraviolet radiation detector
JPS57184982A (en) * 1981-05-09 1982-11-13 Mitsubishi Electric Corp Discharge detector
JPS62277835A (en) * 1986-05-26 1987-12-02 Omron Tateisi Electronics Co Optical receiver
FR2601146B1 (en) * 1986-07-07 1988-09-16 Thomson Csf OPTICAL ADDRESSING DEVICE AND ITS USE IN ELECTROOPTIC IMAGING DEVICES
FR2613839B1 (en) * 1987-04-10 1990-11-16 Alsthom METHOD FOR UPDATING THE SCALE FACTOR OF AN APPARATUS FOR MEASURING THE INTENSITY OF AN FARADAY AC AC CURRENT

Also Published As

Publication number Publication date
FR2640386A1 (en) 1990-06-15
CH681660A5 (en) 1993-04-30

Similar Documents

Publication Publication Date Title
FR2634514B3 (en) DEVICE FOR PROVIDING A SUSPENSION AT THE BACK OF A DOOR
FR2631396B1 (en) ASSEMBLY DEVICE FOR REMOVABLE OR MODULAR ELEMENTS
FR2598803B1 (en) DEVICE FOR MEASURING THE INTENSITY OF A RADIATIVE FLOW
FR2640386B1 (en) DEVICE FOR THE DETECTION OF VISUAL FLOWS IN A CLOSED ENCLOSURE
FR2586840B1 (en) DEVICE FOR INSTANT DISPLAYING THE AMOUNT OF CURRENCY IN A CASH REGISTER
FR2338677A1 (en) DEVICE FOR DISPLAYS OF ARTICLES AND / OR POUCHES
FR2696007B1 (en) DEVICE FOR MEASURING IONS IN A GAS.
FR2643411B1 (en) QUICK HANGING DEVICE FOR FURNITURE HINGES
FR2636381B1 (en) ASSEMBLY DEVICE FOR PROFILES
FR2549008B1 (en) DEVICE FOR VACUUMING AND CLOSING PARALLELEPIPEDIC PACKAGING
FR2637699B1 (en) DEVICE FOR INDICATING A REMAINING QUANTITY OF RECORDABLE PORTIONS OF A RECORDING MATERIAL IN A PHOTOGRAPHIC APPARATUS
FR2724247B1 (en) FIRE DETECTION DEVICE IN A CLOSED ENCLOSURE
FR2637659B1 (en) IMPROVED DEVICE FOR HOLDING THE END OF A MOBILE ELEMENT MOUNTED IN ROTATION IN A TUBE
BE884432A (en) FLOATING DEVICE FOR SUPPORTING A PERSON IN THE WATER
FR2575449B1 (en) DEVICE FOR DETECTING AND ADJUSTING THE ELONGATION IN A FILM MATERIAL
FR2597603B1 (en) MAGNETOGRAPHIC MONITORING DEVICE
FR2634525B1 (en) DEVICE FOR ASSEMBLING PROFILED ELEMENTS
FR2541745B1 (en) DEVICE FOR RETAINING A LIQUID PHASE BETWEEN A WALL AND A ROTATING PART THROUGH IT
FR2734646B1 (en) MONITORING DEVICE FOR MEASURING THE RADIOACTIVITY OF A SURFACE
FR2572487B1 (en) TAP WITH NON-RETURN DEVICE FOR FILLING A CLOSED ENCLOSURE
FR2502727B1 (en) SEALING DEVICE IN A GALETTE OR DRAWER TAP
FR2626179B1 (en) DEVICE FOR SUCTION OF COMEDON AND ACNE
FR2582836B1 (en) SECURITY ARRANGEMENT DEVICE FOR ELIMINATING LARCINS AND INVOICING FAULTS IN SELF-SERVICE STORES
FR2667710B1 (en) DEVICE FOR DETECTING ANOMALIES OF INTEGRATED TRAFFIC ON SITE IN A CABINET.
FR2550968B3 (en) INTERVENTION DEVICE IN PIPES

Legal Events

Date Code Title Description
ST Notification of lapse