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-OFFSInfo
- 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
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1252072A (en) * | 1969-01-28 | 1971-11-03 |
-
1980
- 1980-07-23 DE DE19803027800 patent/DE3027800C2/en not_active Expired
-
1981
- 1981-03-26 FR FR8106113A patent/FR2487525B1/en not_active Expired
- 1981-04-13 GB GB8111561A patent/GB2080957B/en not_active Expired
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |