CH623963A5 - - Google Patents

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Publication number
CH623963A5
CH623963A5 CH1312377A CH1312377A CH623963A5 CH 623963 A5 CH623963 A5 CH 623963A5 CH 1312377 A CH1312377 A CH 1312377A CH 1312377 A CH1312377 A CH 1312377A CH 623963 A5 CH623963 A5 CH 623963A5
Authority
CH
Switzerland
Prior art keywords
signals
logic
binary
signal
line
Prior art date
Application number
CH1312377A
Other languages
German (de)
English (en)
Inventor
Ivan De Dipl Ing 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
Priority to CH1312377A priority Critical patent/CH623963A5/de
Priority to DE19772753734 priority patent/DE2753734A1/de
Priority to AT0734878A priority patent/AT366522B/de
Priority to US05/953,637 priority patent/US4230982A/en
Priority to NL7810657A priority patent/NL7810657A/xx
Priority to BE191356A priority patent/BE871554R/xx
Priority to IT29123/78A priority patent/IT1160013B/it
Priority to SE7811207A priority patent/SE440166B/sv
Priority to FR7830675A priority patent/FR2407593A2/fr
Priority to DK481278A priority patent/DK481278A/da
Priority to BR7807110A priority patent/BR7807110A/pt
Priority to GB7842506A priority patent/GB2010612B/en
Publication of CH623963A5 publication Critical patent/CH623963A5/de

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

Landscapes

  • Locating Faults (AREA)
  • Measuring Phase Differences (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
CH1312377A 1977-10-28 1977-10-28 CH623963A5 (da)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CH1312377A CH623963A5 (da) 1977-10-28 1977-10-28
DE19772753734 DE2753734A1 (de) 1977-10-28 1977-12-02 Verfahren und einrichtung zur kurzschlussueberwachung von elektrischen leitungen
AT0734878A AT366522B (de) 1977-10-28 1978-10-12 Einrichtung fuer kurzschlussueberwachung von elektrischen leitungen
US05/953,637 US4230982A (en) 1977-10-28 1978-10-23 Process and device for short-circuit monitoring of electrical lines
NL7810657A NL7810657A (nl) 1977-10-28 1978-10-25 Werkwijze en inrichting voor het controleren van elektrische leidingen op kortsluiting.
BE191356A BE871554R (fr) 1977-10-28 1978-10-26 Procede et dispositif pour la surveillance de courts-circuits
IT29123/78A IT1160013B (it) 1977-10-28 1978-10-26 Procedimento e dispositivo per il controllo del cortocircuito di linee elettriche
SE7811207A SE440166B (sv) 1977-10-28 1978-10-27 Anordning for att overvaka kortslutningar hos elektriska ledningar
FR7830675A FR2407593A2 (fr) 1977-10-28 1978-10-27 Procede et dispositif pour la surveillance de courts-circuits
DK481278A DK481278A (da) 1977-10-28 1978-10-27 Fremgangsmaade og anlaeg til kortslutningsovervaagning af elektriske ledninger
BR7807110A BR7807110A (pt) 1977-10-28 1978-10-27 Processo e dispositivo para a supervisao de curto circuitos em condutores eletricos
GB7842506A GB2010612B (en) 1977-10-28 1978-10-30 Process and device for short-circuit monitoring of electrical lines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1312377A CH623963A5 (da) 1977-10-28 1977-10-28

Publications (1)

Publication Number Publication Date
CH623963A5 true CH623963A5 (da) 1981-06-30

Family

ID=4389536

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1312377A CH623963A5 (da) 1977-10-28 1977-10-28

Country Status (12)

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

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
WO2010145684A1 (en) * 2009-06-15 2010-12-23 Abb Technology Ag An arrangement for protecting equipment of a power system

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 (da) * 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
AT366522B (de) 1982-04-26
DK481278A (da) 1979-04-29
IT7829123A0 (it) 1978-10-26
GB2010612A (en) 1979-06-27
DE2753734A1 (de) 1979-05-03
BE871554R (fr) 1979-02-15
GB2010612B (en) 1982-10-20
BR7807110A (pt) 1979-07-17
SE7811207L (sv) 1979-04-29
ATA734878A (de) 1981-08-15
FR2407593A2 (fr) 1979-05-25
NL7810657A (nl) 1979-05-02
SE440166B (sv) 1985-07-15
IT1160013B (it) 1987-03-04
US4230982A (en) 1980-10-28

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PL Patent ceased