FR2487525B1 - METHOD FOR PERFORMING, BY MEANS OF DIRECT CURRENT MURRAY BRIDGES, RESISTANCE MEASUREMENTS ON ELECTRICAL CABLES TO LOCATE POTENTIAL CUT-OFFS - Google Patents

METHOD FOR PERFORMING, BY MEANS OF DIRECT CURRENT MURRAY BRIDGES, RESISTANCE MEASUREMENTS ON ELECTRICAL CABLES TO LOCATE POTENTIAL CUT-OFFS

Info

Publication number
FR2487525B1
FR2487525B1 FR8106113A FR8106113A FR2487525B1 FR 2487525 B1 FR2487525 B1 FR 2487525B1 FR 8106113 A FR8106113 A FR 8106113A FR 8106113 A FR8106113 A FR 8106113A FR 2487525 B1 FR2487525 B1 FR 2487525B1
Authority
FR
France
Prior art keywords
murray
offs
bridges
direct current
electrical cables
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
FR8106113A
Other languages
French (fr)
Other versions
FR2487525A1 (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.)
Felten and Guilleaume Carlswerk AG
Original Assignee
Felten and Guilleaume Carlswerk AG
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 Felten and Guilleaume Carlswerk AG filed Critical Felten and Guilleaume Carlswerk AG
Publication of FR2487525A1 publication Critical patent/FR2487525A1/en
Application granted granted Critical
Publication of FR2487525B1 publication Critical patent/FR2487525B1/en
Expired 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
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G01R17/105—AC or DC measuring bridges for measuring impedance or resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR8106113A 1980-07-23 1981-03-26 METHOD FOR PERFORMING, BY MEANS OF DIRECT CURRENT MURRAY BRIDGES, RESISTANCE MEASUREMENTS ON ELECTRICAL CABLES TO LOCATE POTENTIAL CUT-OFFS Expired FR2487525B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803027800 DE3027800C2 (en) 1980-07-23 1980-07-23 Circuit arrangement to avoid interference voltages during measurements with DC Murray bridge circuits on cables

Publications (2)

Publication Number Publication Date
FR2487525A1 FR2487525A1 (en) 1982-01-29
FR2487525B1 true FR2487525B1 (en) 1985-09-27

Family

ID=6107850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8106113A Expired FR2487525B1 (en) 1980-07-23 1981-03-26 METHOD FOR PERFORMING, BY MEANS OF DIRECT CURRENT MURRAY BRIDGES, RESISTANCE MEASUREMENTS ON ELECTRICAL CABLES TO LOCATE POTENTIAL CUT-OFFS

Country Status (3)

Country Link
DE (1) DE3027800C2 (en)
FR (1) FR2487525B1 (en)
GB (1) GB2080957B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60223079A (en) * 1984-04-18 1985-11-07 Sony Corp Information signal recorder
DE10041670B4 (en) * 2000-08-10 2005-12-29 Deutsche Telekom Ag Locating loop for determining the fault location of a faulty cable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252072A (en) * 1969-01-28 1971-11-03

Also Published As

Publication number Publication date
GB2080957A (en) 1982-02-10
DE3027800A1 (en) 1982-02-18
GB2080957B (en) 1984-04-11
DE3027800C2 (en) 1983-03-24
FR2487525A1 (en) 1982-01-29

Similar Documents

Publication Publication Date Title
BE878588A (en) METHOD FOR REDUCING BYPASS CURRENTS IN AN ELECTROCHEMICAL APPARATUS, AND THE APPARATUS,
FR2470387B1 (en) MEASUREMENT TRANSFORMER FOR MEASURING A MAGNETIC FIELD, PARTICULARLY GENERATED BY A MEASUREMENT CURRENT
BE870161A (en) METHOD, APPARATUS AND BIPOLAR ELECTRODES FOR CARRYING OUT ELECTROCHEMICAL REACTIONS
FR2503375B1 (en) TEMPERATURE COMPENSATION METHOD FOR A RESISTANCE BRIDGE CIRCUIT
FR2313683A2 (en) PROCEDURE FOR LOCATING FAULTS ON AN ELECTRICAL LINE
FR2487525B1 (en) METHOD FOR PERFORMING, BY MEANS OF DIRECT CURRENT MURRAY BRIDGES, RESISTANCE MEASUREMENTS ON ELECTRICAL CABLES TO LOCATE POTENTIAL CUT-OFFS
ES495625A0 (en) DEVICE FOR MEASURING CURRENT INTENSITY IN CURRENT CONDUCTING LANES, ESPECIALLY IN ELECTROLYSIS FOR COPPER REFINING
BE890480A (en) METHOD FOR THE OPERATION OF AN AUTOMATIC ANALYSIS APPARATUS
FR2326708A1 (en) METHOD AND DEVICE FOR MEASURING THE SPECIFIC ELECTRICAL RESISTANCE OF CONDUCTIVE AND SEMICONDUCTOR MATERIALS
FR2336667A2 (en) RHEOMETER, IN PARTICULAR FOR RESPIRATORY CURRENT GAUGE
BE823714A (en) DEVICE FOR MEASURING ELECTRIC CURRENT
FR2432202A1 (en) MEASUREMENT TRANSFORMER COMPRISING A PRIMARY WINDING CONDUCTED BY A MEASURING CURRENT
SU1048989A3 (en) Unit for electric slag refining
JPS5746169A (en) Method for measuring leaking dc current from cable
NL191295C (en) Device for electric heat quantity measurement.
SU111949A1 (en) Apparatus for marking electrical cable cores when rubber insulation is applied to them on continuous vulcanization units
FR2310618A1 (en) VULCANIZABLE, PELABLE COMPOSITION FOR INSULATING ELECTRICAL CONDUCTORS
FR2510828B1 (en) METHOD FOR CONTACTING ELECTRICALLY CONDUCTIVE WIRES
RO74376A2 (en) SHUNT FOR MEASURING INTENSE CONTINUOUS CURRENT
SU927435A1 (en) Apparatus for measuring electric slag welding process rate
SU150257A1 (en) Device for separate measurement of melt component levels
SU730888A1 (en) Device for electrophoretic shaping of shells
DK131524B (en) Method for determining insulation faults in electrical distribution networks.
JPS53143297A (en) Electrophoresis apparatus
SU993394A1 (en) Device for registering voltage distribution curve between adjacent commutator plates of dc electric machine

Legal Events

Date Code Title Description
ST Notification of lapse