SE442694B - Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett - Google Patents

Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett

Info

Publication number
SE442694B
SE442694B SE7811244A SE7811244A SE442694B SE 442694 B SE442694 B SE 442694B SE 7811244 A SE7811244 A SE 7811244A SE 7811244 A SE7811244 A SE 7811244A SE 442694 B SE442694 B SE 442694B
Authority
SE
Sweden
Prior art keywords
monitoring
signals
signal
detection
sequence
Prior art date
Application number
SE7811244A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811244L (sv
Inventor
Mesmaeker I De
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 SE7811244L publication Critical patent/SE7811244L/xx
Publication of SE442694B publication Critical patent/SE442694B/sv

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

  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
SE7811244A 1977-10-31 1978-10-30 Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett SE442694B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1319677A CH623964A5 (sk) 1977-10-31 1977-10-31

Publications (2)

Publication Number Publication Date
SE7811244L SE7811244L (sv) 1979-05-01
SE442694B true SE442694B (sv) 1986-01-20

Family

ID=4390230

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811244A SE442694B (sv) 1977-10-31 1978-10-30 Sett att overvaka elektriska ledningar mot kortslutningar samt anordning for utforande av nemnda sett

Country Status (12)

Country Link
US (1) US4237511A (sk)
AT (1) AT365869B (sk)
BE (1) BE871646R (sk)
BR (1) BR7807152A (sk)
CH (1) CH623964A5 (sk)
DE (1) DE2753969C2 (sk)
DK (1) DK482778A (sk)
FR (1) FR2407594A2 (sk)
GB (1) GB2010610B (sk)
IT (1) IT1160014B (sk)
NL (1) NL7810771A (sk)
SE (1) SE442694B (sk)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1588532C3 (de) * 1966-04-11 1975-03-06 Meidensha Electric Mfg. Co. Ltd. Distanzrelais
DE2064679C3 (de) * 1970-12-31 1973-11-29 Hartmann & Braun Ag, 6000 Frankfurt Elektronische Distanzmeßschaltung
US3731152A (en) * 1972-05-25 1973-05-01 Westinghouse Electric Corp Impedance distance relay
GB1570491A (en) * 1975-11-14 1980-07-02 Gen Electric Co Ltd Protective relay arrangements

Also Published As

Publication number Publication date
IT7829124A0 (it) 1978-10-26
GB2010610A (en) 1979-06-27
BR7807152A (pt) 1979-07-17
DE2753969A1 (de) 1979-05-03
FR2407594A2 (fr) 1979-05-25
AT365869B (de) 1982-02-25
SE7811244L (sv) 1979-05-01
GB2010610B (en) 1982-08-18
CH623964A5 (sk) 1981-06-30
NL7810771A (nl) 1979-05-02
BE871646R (fr) 1979-02-15
DK482778A (da) 1979-05-01
US4237511A (en) 1980-12-02
IT1160014B (it) 1987-03-04
DE2753969C2 (de) 1984-03-15
ATA734978A (de) 1981-06-15

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