SE418035B - Impedansmetande anordning vid impedansskydd - Google Patents

Impedansmetande anordning vid impedansskydd

Info

Publication number
SE418035B
SE418035B SE7907212A SE7907212A SE418035B SE 418035 B SE418035 B SE 418035B SE 7907212 A SE7907212 A SE 7907212A SE 7907212 A SE7907212 A SE 7907212A SE 418035 B SE418035 B SE 418035B
Authority
SE
Sweden
Prior art keywords
input
impedance
logic
measuring device
output
Prior art date
Application number
SE7907212A
Other languages
English (en)
Swedish (sv)
Other versions
SE7907212L (sv
Inventor
L Eriksson
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Priority to SE7907212A priority Critical patent/SE418035B/sv
Priority to CH5343/80A priority patent/CH662909A5/de
Priority to DE3031534A priority patent/DE3031534C2/de
Priority to FR8018449A priority patent/FR2464480A1/fr
Priority to US06/181,656 priority patent/US4352136A/en
Priority to YU02148/80A priority patent/YU214880A/xx
Priority to BR8005500A priority patent/BR8005500A/pt
Priority to GB8028083A priority patent/GB2064241B/en
Priority to CA000359290A priority patent/CA1143008A/fr
Publication of SE7907212L publication Critical patent/SE7907212L/
Publication of SE418035B publication Critical patent/SE418035B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Phase Differences (AREA)
SE7907212A 1979-08-30 1979-08-30 Impedansmetande anordning vid impedansskydd SE418035B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE7907212A SE418035B (sv) 1979-08-30 1979-08-30 Impedansmetande anordning vid impedansskydd
CH5343/80A CH662909A5 (de) 1979-08-30 1980-07-11 Einrichtung zum messen der impedanz in einer schutzschaltungsanordnung fuer elektrische starkstromleitungen.
DE3031534A DE3031534C2 (de) 1979-08-30 1980-08-21 Impedanzmessende Anordnung in einem Impedanzschutz
FR8018449A FR2464480A1 (fr) 1979-08-30 1980-08-25 Dispositif de mesure d'impedance pour une ligne de transport d'energie electrique
US06/181,656 US4352136A (en) 1979-08-30 1980-08-26 Impedance-measuring device for impedance protection
YU02148/80A YU214880A (en) 1979-08-30 1980-08-28 Device for measuring impedance for protection from impedance
BR8005500A BR8005500A (pt) 1979-08-30 1980-08-29 Dispositivo de medicao de impedancia para a protecao de impedancia
GB8028083A GB2064241B (en) 1979-08-30 1980-08-29 Impedance-measuring device for impedance protection
CA000359290A CA1143008A (fr) 1979-08-30 1980-08-29 Dispositif de mesure d'impedance, et de protection contre les impedances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907212A SE418035B (sv) 1979-08-30 1979-08-30 Impedansmetande anordning vid impedansskydd

Publications (2)

Publication Number Publication Date
SE7907212L SE7907212L (sv) 1981-03-01
SE418035B true SE418035B (sv) 1981-04-27

Family

ID=20338720

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7907212A SE418035B (sv) 1979-08-30 1979-08-30 Impedansmetande anordning vid impedansskydd

Country Status (9)

Country Link
US (1) US4352136A (fr)
BR (1) BR8005500A (fr)
CA (1) CA1143008A (fr)
CH (1) CH662909A5 (fr)
DE (1) DE3031534C2 (fr)
FR (1) FR2464480A1 (fr)
GB (1) GB2064241B (fr)
SE (1) SE418035B (fr)
YU (1) YU214880A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617636A (en) * 1982-03-03 1986-10-14 National Research Development Corporation Protection of electrical power supply systems
FR2538122A1 (fr) * 1982-12-16 1984-06-22 Enertec Perfectionnement aux procedes et dispositifs de determination d'un parametre associe a une ligne electrique en defaut
DE3683320D1 (de) * 1985-05-21 1992-02-20 Fujitsu Ltd Steuergeraet zum ausserbetriebsetzen einer elektrischen energieversorgung.
SE452534B (sv) * 1986-04-08 1987-11-30 Asea Ab Forfarande och anordning for reckviddsbegrensning och direktutlosning i samband med skydd av en kraftledning
US10509063B2 (en) * 2017-11-28 2019-12-17 Fluke Corporation Electrical signal measurement device using reference signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE356407B (fr) * 1971-09-27 1973-05-21 Asea Ab
FR2203080B1 (fr) * 1972-10-17 1977-08-26 Ice
SE373239B (fr) * 1973-05-21 1975-01-27 Asea Ab
CH623963A5 (fr) * 1977-10-28 1981-06-30 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
US4352136A (en) 1982-09-28
YU214880A (en) 1983-10-31
GB2064241B (en) 1983-06-02
SE7907212L (sv) 1981-03-01
FR2464480B1 (fr) 1985-02-08
CA1143008A (fr) 1983-03-15
DE3031534A1 (de) 1981-03-26
BR8005500A (pt) 1981-03-10
CH662909A5 (de) 1987-10-30
GB2064241A (en) 1981-06-10
FR2464480A1 (fr) 1981-03-06
DE3031534C2 (de) 1984-10-11

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