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 method

Info

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
Application number
AU2002336884A
Inventor
Goran Lindahl
Erland Sorensen
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.)
General Electric Technology GmbH
Original Assignee
Alstom Schweiz 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 Alstom Schweiz AG filed Critical Alstom Schweiz AG
Publication of AU2002336884A1 publication Critical patent/AU2002336884A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34Testing dynamo-electric machines
    • G01R31/346Testing of armature or field windings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/06Emergency 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
AU2002336884A 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 Abandoned AU2002336884A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2114/01 2001-11-19
CH21142001 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO2003044545A1 (en) 2003-05-30

Similar Documents

Publication Publication Date Title
AU2001263688A1 (en) Multiple match detection circuit and method
AU5204500A (en) Magnetoresistive electrode measuring device, and measuring method
AU2001266805A1 (en) System and method for conducting a physician-patient consultation
AU2002341613A1 (en) A menu navigation apparatus and method
WO2002077813A8 (en) Development and testing system and method
AU2000242834A1 (en) Method and terminal for inputting instructions
AU2001295072A1 (en) Object detection system and method
AU2001291608A1 (en) Device and method for measuring angles
AU2002220898A1 (en) Ligand detection method
AU2001293574A1 (en) System and method for testing integrated circuit devices
AU2001281633A1 (en) Detection method
AU2001297960A1 (en) Detection method and apparatus
AU2001274521A1 (en) Receiving device and receiving method
AUPR050700A0 (en) Detection method
AU2002336884A1 (en) 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
AU2001285172A1 (en) Enhanced electro-deposition device and method
AU2003271145A1 (en) Restaurant menu providing method and device
AU2002353489A1 (en) Method and device for grading objects
AU1422401A (en) Method and device for replacing equipment on the seabed
AUPR222300A0 (en) Electrophoresis device and method
AU2002218978A1 (en) Device and method for determining the electrical starting rotor angle
AUPR496501A0 (en) Method and device
AU2001275263A1 (en) System and method for terminal short detection
AU2001269490A1 (en) Test conducting method and on-line test system
AU4968100A (en) Method and device for object detection

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase