GB1600652A - Testing devices for insulating sheaths - Google Patents

Testing devices for insulating sheaths Download PDF

Info

Publication number
GB1600652A
GB1600652A GB2198/78A GB219878A GB1600652A GB 1600652 A GB1600652 A GB 1600652A GB 2198/78 A GB2198/78 A GB 2198/78A GB 219878 A GB219878 A GB 219878A GB 1600652 A GB1600652 A GB 1600652A
Authority
GB
United Kingdom
Prior art keywords
cable
sheath
voltage
internal wall
fault current
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
Application number
GB2198/78A
Other languages
English (en)
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.)
Cefilac SA
Original Assignee
Cefilac 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 Cefilac SA filed Critical Cefilac SA
Publication of GB1600652A publication Critical patent/GB1600652A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing 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
    • G01R31/1227Testing 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
    • G01R31/1263Testing 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
    • G01R31/1272Testing 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58Testing of lines, cables or conductors
    • G01R31/59Testing of lines, cables or conductors while the cable continuously passes the testing apparatus, e.g. during manufacture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)
GB2198/78A 1977-01-21 1978-01-19 Testing devices for insulating sheaths Expired GB1600652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7702673A FR2378286A1 (fr) 1977-01-21 1977-01-21 Testeur de rigidite dielectrique a sec pour cable electrique isole

Publications (1)

Publication Number Publication Date
GB1600652A true GB1600652A (en) 1981-10-21

Family

ID=9186098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2198/78A Expired GB1600652A (en) 1977-01-21 1978-01-19 Testing devices for insulating sheaths

Country Status (7)

Country Link
US (1) US4151461A (en, 2012)
BE (1) BE863071A (en, 2012)
DE (1) DE2801649C3 (en, 2012)
ES (1) ES466121A1 (en, 2012)
FR (1) FR2378286A1 (en, 2012)
GB (1) GB1600652A (en, 2012)
IT (1) IT1092313B (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104678228A (zh) * 2015-03-24 2015-06-03 杭州钱江称重技术有限公司 感应环线测试车

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595792A (en) * 1983-04-01 1986-06-17 The United States Of America As Represented By The Secretary Of The Navy Method for detecting faults in a synthetic electro-mechanical cable
AT390683B (de) * 1985-09-03 1990-06-11 Elin Union Ag Einrichtung zur pruefung von lackisoliertem draht
US4950957A (en) * 1988-11-04 1990-08-21 Westinghouse Electric Corp. Extended ion sources and method for using them in an insulation defect detector
US4891597A (en) * 1988-11-04 1990-01-02 Westinghouse Electric Corp. Synchronous detection and location of insulation defects
FR2684450B1 (fr) * 1991-11-28 1994-01-07 Alcatel Cable Appareil d'essai dielectrique a sec fiabilise.
WO1998007039A1 (en) * 1996-08-08 1998-02-19 Dansk System Elektronik A/S Method and apparatus for testing the insulating ability of an insulation on an electric conductor
US6518772B1 (en) 2000-05-16 2003-02-11 Wee-Electrotest Engineering Gmbh Method and device for the detection of damage in the insulation of electrical components, particularly of lines and cable harnesses
DE10024809B4 (de) * 2000-05-16 2006-03-16 Wee Electrotest Engineering Gmbh Verfahren und Einrichtung zur Detektion von Schäden in der Isolation von elektrischen Leitungen und Kabelbäumen
US6907363B1 (en) 2001-10-15 2005-06-14 Sandia Corporation Automatic insulation resistance testing apparatus
CN104330672B (zh) * 2014-11-14 2015-08-12 贵州电网公司输电运行检修分公司 运动导轨式输电线路绝缘子自动检测装置及检测方法
DE102019210866B4 (de) * 2019-07-23 2024-03-21 Leoni Bordnetz-Systeme Gmbh Verfahren sowie Vorrichtung zur Prüfung der Isolation eines elektrischen Bauteils, insbesondere eines HV-Kabelsatzes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA509758A (en) * 1955-02-01 K. Duffy Edward High voltage sparker for self-supporting cable with bare messenger
DE549119C (de) * 1927-06-12 1932-04-23 Aeg Anordnung zum Pruefen der Gleichmaessigkeit duenner Schichten von Isolierstoffen
DE508186C (de) * 1928-12-22 1930-09-25 Koch & Sterzel Akt Ges Einrichtung zum elektrischen Pruefen von Gefaessen o. dgl. aus Isolierwerkstoff
DE928784C (de) * 1941-01-31 1955-06-10 Siemens Ag Verfahren zur Pruefung der Isolation elektrischer Leitungen und Kabel
US2386127A (en) * 1942-09-11 1945-10-02 Western Electric Co Testing apparatus
US3096478A (en) * 1959-08-18 1963-07-02 Okonite Co Apparatus with conductive gas electrodes for detecting non-uniformity in electrically insulating and electrically semi-conducting materials
US3263165A (en) * 1962-10-16 1966-07-26 Okonite Co Apparatus and method utilizing nonconductive tube means containing an ionized gas for corona testing of insulated electrical cables
US3321703A (en) * 1963-12-09 1967-05-23 Northern Electric Co Method and apparatus for testing a dielectric material in the presence of a gas by moving the material with a sufficient velocity to ionize the gas
US3418570A (en) * 1966-08-26 1968-12-24 Henry H. Clinton Electrical device for testing for and counting flaws in the insulation of an electrical conductor passing through an electrode
DE1791077A1 (de) * 1968-09-07 1971-10-21 Felten & Guilleaume Kabelwerk Verfahren zum Endabschluss eines elektrischen Hochspannungskabels,insbesondere eines kunststoffisolierten Hochspannungskabels,fuer die Pruefung mit Hochspannung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104678228A (zh) * 2015-03-24 2015-06-03 杭州钱江称重技术有限公司 感应环线测试车
CN104678228B (zh) * 2015-03-24 2016-03-30 杭州钱江称重技术有限公司 感应环线测试车

Also Published As

Publication number Publication date
FR2378286A1 (fr) 1978-08-18
IT1092313B (it) 1985-07-06
DE2801649C3 (de) 1982-07-22
US4151461A (en) 1979-04-24
BE863071A (fr) 1978-07-19
FR2378286B1 (en, 2012) 1981-05-08
DE2801649A1 (de) 1978-07-27
ES466121A1 (es) 1978-10-16
DE2801649B2 (de) 1980-10-23
IT7819374A0 (it) 1978-01-18

Similar Documents

Publication Publication Date Title
GB1600652A (en) Testing devices for insulating sheaths
US2900597A (en) Apparatus for testing electric cable insulation
EP0441291B1 (en) Withstand-voltage testing method and apparatus
Mason Discharge detection and measurements
US3988666A (en) Multiplex cable insulation fault locator system with electrical conducting guides mounted on a rotating disc
US2882491A (en) Apparatus for testing electric cable insulation
US3857091A (en) Apparatus having ultrasonic transducer for detecting cable dielectric faults
US3612994A (en) Cable insulation tester having a liquid immersed annular electrode
US3767838A (en) Gas insulated flexible high voltage cable
McMahon et al. Surrace and Volume Phenomena in Dielectric Breakdown of Polyethylene
US4998070A (en) Method and apparatus for testing a dielectric coating
Kaneiwa et al. Characteristics of partial discharges in artificial simulated tree channels during tree propagation
US3820011A (en) Fluid immersion conductor insulation tester
GB1204704A (en) Cable inspection method and apparatus
GB8333112D0 (en) Locating fault points
US2937336A (en) Apparatus for testing electric insulation
KR910021592A (ko) 전기 케이블의 감시 장치
US3134071A (en) Apparatus for locating a fault in the insulation around the conductor of an electriccable
US2794168A (en) Apparatus for locating voids and other imperfections in insulated wires and cables
RU2121179C1 (ru) Устройство обнаружения утечки жидкости
US3715565A (en) System for maintaining low relative humidity in closures
SU991335A1 (ru) Электрод дл непрерывного испытани изол ции провода
JPH07260870A (ja) 電力ケーブル直流漏れ電流の測定法
Phillips et al. Ultrasonic emissions from non-ceramic insulators with defects
US2838594A (en) Fault detecting cable sheath

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee