FR2203080A1 - - Google Patents

Info

Publication number
FR2203080A1
FR2203080A1 FR7236705A FR7236705A FR2203080A1 FR 2203080 A1 FR2203080 A1 FR 2203080A1 FR 7236705 A FR7236705 A FR 7236705A FR 7236705 A FR7236705 A FR 7236705A FR 2203080 A1 FR2203080 A1 FR 2203080A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7236705A
Other languages
French (fr)
Other versions
FR2203080B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ICE
Original Assignee
ICE
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 ICE filed Critical ICE
Priority to FR7236705A priority Critical patent/FR2203080B1/fr
Priority to CH1460673A priority patent/CH575673A5/xx
Priority to DE19732351872 priority patent/DE2351872C3/en
Priority to GB4818973A priority patent/GB1444774A/en
Priority to SE7314029A priority patent/SE406998B/en
Priority to ES419728A priority patent/ES419728A1/en
Publication of FR2203080A1 publication Critical patent/FR2203080A1/fr
Application granted granted Critical
Publication of FR2203080B1 publication Critical patent/FR2203080B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38Emergency 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
    • H02H3/382Emergency 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Networks Using Active Elements (AREA)
FR7236705A 1972-10-17 1972-10-17 Expired FR2203080B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7236705A FR2203080B1 (en) 1972-10-17 1972-10-17
CH1460673A CH575673A5 (en) 1972-10-17 1973-10-15
DE19732351872 DE2351872C3 (en) 1972-10-17 1973-10-16 Distance protection device
GB4818973A GB1444774A (en) 1972-10-17 1973-10-16 Process and apparatus for impedance protection of an electrical transmission line
SE7314029A SE406998B (en) 1972-10-17 1973-10-16 DISTANCE PROTECTION DEVICE FOR AN ELECTRICAL ENERGY TRANSMISSION LINE
ES419728A ES419728A1 (en) 1972-10-17 1973-10-17 Process and apparatus for impedance protection of an electrical transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7236705A FR2203080B1 (en) 1972-10-17 1972-10-17

Publications (2)

Publication Number Publication Date
FR2203080A1 true FR2203080A1 (en) 1974-05-10
FR2203080B1 FR2203080B1 (en) 1977-08-26

Family

ID=9105755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236705A Expired FR2203080B1 (en) 1972-10-17 1972-10-17

Country Status (6)

Country Link
CH (1) CH575673A5 (en)
DE (1) DE2351872C3 (en)
ES (1) ES419728A1 (en)
FR (1) FR2203080B1 (en)
GB (1) GB1444774A (en)
SE (1) SE406998B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316772A1 (en) * 1975-06-19 1977-01-28 Bbc Brown Boveri & Cie METHOD AND DEVICE FOR DETECTION OF SHORT CIRCUITS ON ELECTRIC LINES
FR2345728A1 (en) * 1976-03-25 1977-10-21 Bbc Brown Boveri & Cie METHOD AND DEVICE FOR LOCATING FAULTS ON AN ELECTRIC LINE
FR2464480A1 (en) * 1979-08-30 1981-03-06 Asea Ab IMPEDANCE MEASURING DEVICE FOR AN ELECTRIC POWER TRANSMISSION LINE

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH618294A5 (en) * 1977-09-06 1980-07-15 Bbc Brown Boveri & Cie
AT386702B (en) * 1985-03-07 1988-10-10 Elin Union Ag Electronic overcurrent relay with phase-angle-dependent sensitivity switching
US4667186A (en) * 1985-03-13 1987-05-19 Raychem Corporation Phase difference fault detector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1453285A (en) * 1964-04-28 1966-06-03 English Electric Co Ltd Devices indicating a predetermined load condition in an electrical circuit
FR1566498A (en) * 1968-03-11 1969-05-09
DE1302257B (en) * 1964-06-19 1972-07-06 Hartmann & Braun Ag

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1453285A (en) * 1964-04-28 1966-06-03 English Electric Co Ltd Devices indicating a predetermined load condition in an electrical circuit
DE1302257B (en) * 1964-06-19 1972-07-06 Hartmann & Braun Ag
FR1566498A (en) * 1968-03-11 1969-05-09

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
(L'ARTICLE "GRAPHICAL METHODS, DESIGN CONSIDERATIONS, PRATICAL CIRCUITS AND TEST RESULTS OF MULTI-INPUT SINE COMPARATORS" PAR N.M. ANIL. ET AL. PARU DANS LA *REVUE GB "INTERNATIONAL JOURNAL OF ELECTRONICS" VOLUME 25, NO 4 D'OCTOBRE 1968, PAGES 331 A 348) *
L'ARTICLE "A GENERAL APPROACH TO SINE COMPARATORS" PAR K.K. THAKKAR ET. AL. PARU DANS LA *REVUE GB "INTERNATIONNAL JOURNAL OF ELECTRONICS" VOLUME 29, NO 6 DU DECEMBRE 1970, PAGES 557 ET 564 *
L'ARTICLE "IMPROVED STATIC DISTANCE RELAYS USING OPERATIONAL AMPLFIERS" PAR M. RAMAMOORTY ET. AL. PARU DANS L'"IEEE CONFERENCE PAPER" C72433-1 ET PRESENTE A LA CONFERENCE "IEEE PES SUMMERMEETING" DU 9 A 14 JUILLET 1972) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316772A1 (en) * 1975-06-19 1977-01-28 Bbc Brown Boveri & Cie METHOD AND DEVICE FOR DETECTION OF SHORT CIRCUITS ON ELECTRIC LINES
FR2345728A1 (en) * 1976-03-25 1977-10-21 Bbc Brown Boveri & Cie METHOD AND DEVICE FOR LOCATING FAULTS ON AN ELECTRIC LINE
FR2464480A1 (en) * 1979-08-30 1981-03-06 Asea Ab IMPEDANCE MEASURING DEVICE FOR AN ELECTRIC POWER TRANSMISSION LINE

Also Published As

Publication number Publication date
DE2351872C3 (en) 1981-02-12
CH575673A5 (en) 1976-05-14
GB1444774A (en) 1976-08-04
DE2351872B2 (en) 1980-06-04
FR2203080B1 (en) 1977-08-26
SE406998B (en) 1979-03-05
ES419728A1 (en) 1976-03-01
DE2351872A1 (en) 1974-04-18

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