SE323745B - - Google Patents
Info
- Publication number
- SE323745B SE323745B SE16013/66A SE1601366A SE323745B SE 323745 B SE323745 B SE 323745B SE 16013/66 A SE16013/66 A SE 16013/66A SE 1601366 A SE1601366 A SE 1601366A SE 323745 B SE323745 B SE 323745B
- Authority
- SE
- Sweden
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
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- 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
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Testing Relating To Insulation (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51537365A | 1965-12-21 | 1965-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE323745B true SE323745B (xx) | 1970-05-11 |
Family
ID=24051081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE16013/66A SE323745B (xx) | 1965-12-21 | 1966-11-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3430136A (xx) |
| CH (1) | CH457616A (xx) |
| DE (1) | DE1541755C3 (xx) |
| GB (1) | GB1139007A (xx) |
| SE (1) | SE323745B (xx) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622872A (en) * | 1970-04-16 | 1971-11-23 | Westinghouse Electric Corp | Methods and apparatus for detecting and locating corona discharge in high-voltage, fluid-filled electrical inductive apparatus |
| US4095173A (en) * | 1976-12-27 | 1978-06-13 | General Electric Company | Method and system for corona source location by acoustic signal detection |
| US4316139A (en) * | 1979-06-13 | 1982-02-16 | International Telephone And Telegraph Corporation | Method and apparatus for determining the location of an arc in a waveguide transmission line or the like |
| JPH0750147B2 (ja) * | 1989-06-14 | 1995-05-31 | 株式会社日立製作所 | ガス絶縁電気機器の異常位置標定方法および装置 |
| US5365177A (en) * | 1993-03-10 | 1994-11-15 | Honeywell Inc. | Apparatus for measurement of high frequency corona discharges in electrical components |
| SE515387C2 (sv) * | 1995-05-02 | 2001-07-23 | Abb Research Ltd | Övervakning av interna partiella urladdningar i en krafttransformator |
| WO1997024742A1 (en) * | 1995-12-27 | 1997-07-10 | Quiet Power Systems, Inc | Method and apparatus for locating partial discharge in electrical transformers |
| JP4157636B2 (ja) * | 1999-01-28 | 2008-10-01 | 株式会社日立製作所 | ガス絶縁機器の部分放電診断装置 |
| US6566887B2 (en) | 2000-06-07 | 2003-05-20 | Cirris Systems Corporation | Method and device for detecting and locating insulation/isolation defects between conductors |
| DE102010050375B4 (de) * | 2010-11-03 | 2016-02-04 | Hagenuk KMT Kabelmeßtechnik GmbH | Fehlerortungsverfahren erdverlegter elektrischer Leitungen und Anordnung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2942248A (en) * | 1956-08-08 | 1960-06-21 | Curtiss Wright Corp | Apparatus and method for detecting abrupt changes in dielectric sheet material |
| US3173086A (en) * | 1962-07-18 | 1965-03-09 | Gen Electric | Apparatus including mechanical vibration detector means for detecting and locating incipient internal faults in electric induction apparatus |
| US3182181A (en) * | 1963-03-27 | 1965-05-04 | Nuclear Data Inc | Method and apparatus for averaging a series of electrical transients |
-
1965
- 1965-12-21 US US515373A patent/US3430136A/en not_active Expired - Lifetime
-
1966
- 1966-10-24 GB GB47596/66A patent/GB1139007A/en not_active Expired
- 1966-11-10 DE DE1541755A patent/DE1541755C3/de not_active Expired
- 1966-11-23 SE SE16013/66A patent/SE323745B/xx unknown
- 1966-12-13 CH CH1779466A patent/CH457616A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3430136A (en) | 1969-02-25 |
| DE1541755C3 (de) | 1975-11-27 |
| DE1541755A1 (de) | 1969-10-02 |
| DE1541755B2 (de) | 1975-02-20 |
| CH457616A (de) | 1968-06-15 |
| GB1139007A (en) | 1969-01-08 |