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 (it) 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 (it)
AT (1) AT366522B (it)
BE (1) BE871554R (it)
BR (1) BR7807110A (it)
CH (1) CH623963A5 (it)
DE (1) DE2753734A1 (it)
DK (1) DK481278A (it)
FR (1) FR2407593A2 (it)
GB (1) GB2010612B (it)
IT (1) IT1160013B (it)
NL (1) NL7810657A (it)
SE (1) SE440166B (it)

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

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Legal Events

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