DE3504609C2 - - Google Patents
Info
- Publication number
- DE3504609C2 DE3504609C2 DE19853504609 DE3504609A DE3504609C2 DE 3504609 C2 DE3504609 C2 DE 3504609C2 DE 19853504609 DE19853504609 DE 19853504609 DE 3504609 A DE3504609 A DE 3504609A DE 3504609 C2 DE3504609 C2 DE 3504609C2
- Authority
- DE
- Germany
- Prior art keywords
- cable
- water
- electrodes
- sheath
- capacitance
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853504609 DE3504609A1 (de) | 1985-02-11 | 1985-02-11 | Verfahren und vorrichtung zum nachweis von in kabel eingedrungenem wasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853504609 DE3504609A1 (de) | 1985-02-11 | 1985-02-11 | Verfahren und vorrichtung zum nachweis von in kabel eingedrungenem wasser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3504609A1 DE3504609A1 (de) | 1986-08-14 |
| DE3504609C2 true DE3504609C2 (enrdf_load_stackoverflow) | 1989-02-02 |
Family
ID=6262206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853504609 Granted DE3504609A1 (de) | 1985-02-11 | 1985-02-11 | Verfahren und vorrichtung zum nachweis von in kabel eingedrungenem wasser |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3504609A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10336679B4 (de) * | 2003-08-09 | 2012-06-28 | Rittal Gmbh & Co. Kg | Vorrichtung zum Feststellen von Leckagen an Flüssigkeit führenden Bauteilen |
| FR3017462B1 (fr) * | 2014-02-12 | 2018-06-01 | Electricite De France | Procede de detection de defaut de soudure. |
| CN105738265A (zh) * | 2016-02-16 | 2016-07-06 | 国家电网公司 | 一种高压电缆透水试验检测装置及检测方法 |
| FR3062211B1 (fr) * | 2017-01-24 | 2021-12-24 | Technip France | Procede de controle non destructif d'une ligne flexible et dispositif de controle non destructif associe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845504A (en) * | 1955-08-04 | 1960-08-24 | Frederick Edward Milner | A new or improved method of and apparatus for detection and location of discontinuities in electric cables |
| GB2062250A (en) * | 1979-10-22 | 1981-05-20 | Electrothermal Eng Ltd | Detecting fault in insulated electric cable |
| US4410850A (en) * | 1981-10-16 | 1983-10-18 | Bell Telephone Laboratories, Incorporated | Water-compensated open fault locator |
-
1985
- 1985-02-11 DE DE19853504609 patent/DE3504609A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3504609A1 (de) | 1986-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |