AU2002336884A1 - Method for the detection of an earth connection occurring in the vicinity of a neutral point in an electrical device, device for carrying out and application of said method - Google Patents
Method for the detection of an earth connection occurring in the vicinity of a neutral point in an electrical device, device for carrying out and application of said methodInfo
- Publication number
- AU2002336884A1 AU2002336884A1 AU2002336884A AU2002336884A AU2002336884A1 AU 2002336884 A1 AU2002336884 A1 AU 2002336884A1 AU 2002336884 A AU2002336884 A AU 2002336884A AU 2002336884 A AU2002336884 A AU 2002336884A AU 2002336884 A1 AU2002336884 A1 AU 2002336884A1
- Authority
- AU
- Australia
- Prior art keywords
- vicinity
- carrying
- detection
- application
- neutral point
- 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.)
- Abandoned
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
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Generators And Motors (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH21142001 | 2001-11-19 | ||
CH2114/01 | 2001-11-19 | ||
PCT/CH2002/000611 WO2003044545A1 (en) | 2001-11-19 | 2002-11-14 | Method for the detection of an earth connection occurring in the vicinity of a neutral point in an electrical device, device for carrying out and application of said method |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2002336884A1 true AU2002336884A1 (en) | 2003-06-10 |
Family
ID=4567563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002336884A Abandoned AU2002336884A1 (en) | 2001-11-19 | 2002-11-14 | Method for the detection of an earth connection occurring in the vicinity of a neutral point in an electrical device, device for carrying out and application of said method |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2002336884A1 (en) |
WO (1) | WO2003044545A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100349347C (en) * | 2005-03-18 | 2007-11-14 | 清华大学 | Large-scale steamer generator neutral point lead-out mode and arrangement protecting method |
JP2012189403A (en) * | 2011-03-10 | 2012-10-04 | Hitachi Mitsubishi Hydro Corp | Revolving electrical machine |
CN102269787B (en) * | 2011-05-16 | 2013-05-15 | 国网电力科学研究院 | Detection method of harmonic characteristic of electronic voltage transformer and detection device thereof |
US9046560B2 (en) * | 2012-06-04 | 2015-06-02 | Eaton Corporation | System and method for high resistance ground fault detection and protection in power distribution systems |
CN103513150B (en) * | 2013-09-17 | 2015-12-23 | 广东电网公司东莞供电局 | The pick-up unit of power system voltage mutual inductor multipoint earthing and method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE375233C (en) * | 1920-11-07 | 1923-05-09 | Bbc Brown Boveri & Cie | Device for protecting alternators with two parallel winding systems in the event of faults occurring within the generator |
DE844192C (en) * | 1942-11-04 | 1952-07-17 | Brown Ag | Device for selective earth fault protection of alternating current generators |
CH232756A (en) * | 1943-02-16 | 1944-06-15 | Bbc Brown Boveri & Cie | Device for detecting earth faults in three-phase generators. |
CH488305A (en) * | 1968-09-03 | 1970-03-31 | Bbc Brown Boveri & Cie | Earth-fault protection device for three-phase generators using the third harmonics generated in the generator |
DE2803966C3 (en) * | 1978-01-30 | 1981-04-16 | Ad Strüver KG (GmbH & Co), 2000 Hamburg | Arrangement for monitoring a power network |
JPS5717870A (en) * | 1980-07-08 | 1982-01-29 | Nissin Electric Co Ltd | Coil turn short circuit detection method of electromagnetic induction device |
DE3462073D1 (en) * | 1983-06-22 | 1987-02-19 | Bbc Brown Boveri & Cie | Device for detecting a short circuit in the winding of the rotor of an electric machine |
US5006769A (en) * | 1989-04-05 | 1991-04-09 | Asea Brown Boveri Ltd. | Arrangement for detecting winding shorts in the rotor winding of electrical machines |
DE3928551A1 (en) * | 1989-08-29 | 1991-03-07 | Siemens Ag | Short circuit detecting circuitry for three=phase machine - uses relays with resistors and filters to detect displacement voltages of third harmonic and fundamental frequency |
US5049815A (en) * | 1990-04-20 | 1991-09-17 | General Electric Company | Spectral analysis of induction motor current to detect rotor faults with reduced false alarms |
JP3468817B2 (en) * | 1994-02-25 | 2003-11-17 | 株式会社東芝 | Field ground fault detector |
-
2002
- 2002-11-14 WO PCT/CH2002/000611 patent/WO2003044545A1/en not_active Application Discontinuation
- 2002-11-14 AU AU2002336884A patent/AU2002336884A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2003044545A1 (en) | 2003-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |