DE69333936D1 - Lokalisierung von fehlern in kabeln - Google Patents

Lokalisierung von fehlern in kabeln

Info

Publication number
DE69333936D1
DE69333936D1 DE69333936T DE69333936T DE69333936D1 DE 69333936 D1 DE69333936 D1 DE 69333936D1 DE 69333936 T DE69333936 T DE 69333936T DE 69333936 T DE69333936 T DE 69333936T DE 69333936 D1 DE69333936 D1 DE 69333936D1
Authority
DE
Germany
Prior art keywords
signal
power line
passed
frequency
amplified
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
DE69333936T
Other languages
English (en)
Other versions
DE69333936T2 (de
Inventor
S Mashikian
B Northrop
Rajeev Bansal
Francesco Palmieri
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.)
University of Connecticut
Original Assignee
University of Connecticut
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 University of Connecticut filed Critical University of Connecticut
Application granted granted Critical
Publication of DE69333936D1 publication Critical patent/DE69333936D1/de
Publication of DE69333936T2 publication Critical patent/DE69333936T2/de
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
    • G01R31/1263—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
    • 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
    • G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Testing Relating To Insulation (AREA)
  • Insulated Conductors (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
DE69333936T 1992-02-21 1993-02-19 Lokalisierung von fehlern in kabeln Expired - Lifetime DE69333936T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/839,914 US5272439A (en) 1992-02-21 1992-02-21 Method and apparatus for the detection and location of faults and partial discharges in shielded cables
US839914 1992-02-21
PCT/US1993/001556 WO1993017351A1 (en) 1992-02-21 1993-02-19 Detection of location of faults in cables

Publications (2)

Publication Number Publication Date
DE69333936D1 true DE69333936D1 (de) 2006-01-19
DE69333936T2 DE69333936T2 (de) 2006-06-29

Family

ID=25280967

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69333936T Expired - Lifetime DE69333936T2 (de) 1992-02-21 1993-02-19 Lokalisierung von fehlern in kabeln

Country Status (6)

Country Link
US (2) US5272439A (de)
EP (1) EP0627085B1 (de)
AT (1) ATE313085T1 (de)
CA (1) CA2117387C (de)
DE (1) DE69333936T2 (de)
WO (1) WO1993017351A1 (de)

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CN109643890B (zh) 2016-07-08 2020-10-16 Abb电网瑞士股份公司 用于对混合型输电线路中的故障进行定位的方法和系统
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US10295585B2 (en) * 2016-11-11 2019-05-21 Schweitzer Engineering Laboratories, Inc. Traveling wave based single end fault location
US10585133B2 (en) * 2016-11-11 2020-03-10 Schweitzer Engineering Laboratories, Inc. Electric power fault protection device using single-ended traveling wave fault location estimation
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CN110221184B (zh) * 2019-07-17 2020-02-21 广东电网有限责任公司 中压单芯交联电缆金属屏蔽层故障探测装置及探测方法
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Also Published As

Publication number Publication date
EP0627085B1 (de) 2005-12-14
DE69333936T2 (de) 2006-06-29
ATE313085T1 (de) 2005-12-15
CA2117387C (en) 1998-06-23
EP0627085A4 (en) 1995-11-02
US5272439A (en) 1993-12-21
EP0627085A1 (de) 1994-12-07
CA2117387A1 (en) 1993-09-02
WO1993017351A1 (en) 1993-09-02
USRE35561E (en) 1997-07-15

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