DK481278A - Fremgangsmaade og anlaeg til kortslutningsovervaagning af elektriske ledninger - Google Patents

Fremgangsmaade og anlaeg til kortslutningsovervaagning af elektriske ledninger

Info

Publication number
DK481278A
DK481278A DK481278A DK481278A DK481278A DK 481278 A DK481278 A DK 481278A DK 481278 A DK481278 A DK 481278A DK 481278 A DK481278 A DK 481278A DK 481278 A DK481278 A DK 481278A
Authority
DK
Denmark
Prior art keywords
monitoring
procedure
short
electrical wires
wires
Prior art date
Application number
DK481278A
Other languages
Danish (da)
English (en)
Inventor
I D Mesmaeker
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of DK481278A publication Critical patent/DK481278A/da

Links

Classifications

    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
DK481278A 1977-10-28 1978-10-27 Fremgangsmaade og anlaeg til kortslutningsovervaagning af elektriske ledninger DK481278A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1312377A CH623963A5 (en:Method) 1977-10-28 1977-10-28

Publications (1)

Publication Number Publication Date
DK481278A true DK481278A (da) 1979-04-29

Family

ID=4389536

Family Applications (1)

Application Number Title Priority Date Filing Date
DK481278A DK481278A (da) 1977-10-28 1978-10-27 Fremgangsmaade og anlaeg til kortslutningsovervaagning af elektriske ledninger

Country Status (12)

Country Link
US (1) US4230982A (en:Method)
AT (1) AT366522B (en:Method)
BE (1) BE871554R (en:Method)
BR (1) BR7807110A (en:Method)
CH (1) CH623963A5 (en:Method)
DE (1) DE2753734A1 (en:Method)
DK (1) DK481278A (en:Method)
FR (1) FR2407593A2 (en:Method)
GB (1) GB2010612B (en:Method)
IT (1) IT1160013B (en:Method)
NL (1) NL7810657A (en:Method)
SE (1) SE440166B (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418035B (sv) * 1979-08-30 1981-04-27 Asea Ab Impedansmetande anordning vid impedansskydd
US4362987A (en) * 1980-09-12 1982-12-07 Huntron Instruments, Inc. Apparatus for detecting electrical shorts in electronic circuits
US4612498A (en) * 1982-08-06 1986-09-16 Smalley Daniel S Induction furnace fault locator
US4525665A (en) * 1982-08-06 1985-06-25 Smalley Daniel S Induction furnace monitor
US4720822A (en) * 1986-03-07 1988-01-19 International Business Machines Corporation High frequency signal measurement method and apparatus
US5402072A (en) * 1992-02-28 1995-03-28 International Business Machines Corporation System and method for testing and fault isolation of high density passive boards and substrates
US5796258A (en) * 1997-01-30 1998-08-18 Abb Power T&D Company, Inc. Adaptive quadrilateral characteristic distance relay
GB2352891A (en) * 1999-08-03 2001-02-07 Alstom Uk Ltd Fault protection in multi-phase power systems
CN102577006B (zh) * 2009-06-15 2014-10-01 Abb技术有限公司 用于保护电力系统的设备的装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354389A (en) * 1963-10-24 1967-11-21 Western Electric Co Automatic high speed test apparatus for testing continuity and shorts simultaneouslyon a plurality of circuit paths
GB1081576A (en) * 1965-05-14 1967-08-31 English Electric Co Ltd Improvements in electrical measuring systems
US3600673A (en) * 1969-07-15 1971-08-17 Thomas & Betts Corp Sequentially stepped, termination indicating multiconductor checking and testing apparatus
CA968412A (en) * 1970-03-13 1975-05-27 Louis Ricard Dispositif de surveillance de lignes electriques
US3699498A (en) * 1970-04-30 1972-10-17 Bell Telephone Labor Inc Devices for making electrical connections
US3676739A (en) * 1971-09-07 1972-07-11 Gen Electric Mine power system ground continuity check circuit
FR2160306B1 (en:Method) * 1971-11-19 1974-05-10 Schlumberger Compteurs
DE2163004C3 (de) * 1971-12-18 1975-01-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Unsymmetrieschutzeinrichtung für in Reihe geschaltete Kondensatoreinheiten
US3860316A (en) * 1973-07-06 1975-01-14 Western Electric Co Electrical connecting devices for terminating cords and methods of assembling the devices to cords
US4095172A (en) * 1977-02-09 1978-06-13 William Strand Vehicle antenna tester

Also Published As

Publication number Publication date
IT7829123A0 (it) 1978-10-26
GB2010612A (en) 1979-06-27
AT366522B (de) 1982-04-26
BR7807110A (pt) 1979-07-17
CH623963A5 (en:Method) 1981-06-30
GB2010612B (en) 1982-10-20
IT1160013B (it) 1987-03-04
SE440166B (sv) 1985-07-15
BE871554R (fr) 1979-02-15
US4230982A (en) 1980-10-28
SE7811207L (sv) 1979-04-29
FR2407593A2 (fr) 1979-05-25
NL7810657A (nl) 1979-05-02
DE2753734A1 (de) 1979-05-03
ATA734878A (de) 1981-08-15

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment