CH607057A5 - - Google Patents

Info

Publication number
CH607057A5
CH607057A5 CH262275A CH262275A CH607057A5 CH 607057 A5 CH607057 A5 CH 607057A5 CH 262275 A CH262275 A CH 262275A CH 262275 A CH262275 A CH 262275A CH 607057 A5 CH607057 A5 CH 607057A5
Authority
CH
Switzerland
Application number
CH262275A
Inventor
Alois Dr Marek
Daniel Marek
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 CH262275A priority Critical patent/CH607057A5/xx
Priority to DE19752512811 priority patent/DE2512811C2/de
Publication of CH607057A5 publication Critical patent/CH607057A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • 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
    • H02H3/02—Details
    • H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/332—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means responsive to dc component in the fault current
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/34—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system
    • H02H3/347—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors of a three-phase system using summation current transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H01H2083/146—Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CH262275A 1975-03-03 1975-03-03 CH607057A5 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH262275A CH607057A5 (it) 1975-03-03 1975-03-03
DE19752512811 DE2512811C2 (de) 1975-03-03 1975-03-22 Einrichtung zur Stromdurchflutungserfassung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH262275A CH607057A5 (it) 1975-03-03 1975-03-03

Publications (1)

Publication Number Publication Date
CH607057A5 true CH607057A5 (it) 1978-11-30

Family

ID=4237894

Family Applications (1)

Application Number Title Priority Date Filing Date
CH262275A CH607057A5 (it) 1975-03-03 1975-03-03

Country Status (2)

Country Link
CH (1) CH607057A5 (it)
DE (1) DE2512811C2 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2602534A1 (de) * 1976-01-23 1977-07-28 Siemens Ag Fehlerstrom-schutzschalter
LU78992A1 (de) * 1978-02-02 1979-09-06 N Gath Fehlerstromschutzschalter
LU79681A1 (de) * 1978-05-22 1979-12-06 N Gath Fehlerstromschutzschalter
FR2430680A1 (fr) * 1978-07-05 1980-02-01 Saparel Detecteur de courant de defaut continu ou alternatif
FR2526598B1 (fr) * 1982-05-10 1985-09-27 Telecommunications Sa Procede de detection de defauts d'isolement d'un reseau electrique a courant continu et detecteur pour la mise en oeuvre du procede
DE3531023A1 (de) * 1985-08-30 1987-03-05 Bbc Brown Boveri & Cie Schaltungsanordnung zur erfassung eines fehler- bzw. differenzstromes
FR2635235B1 (fr) * 1988-08-05 1995-03-31 Merlin Gerin Dispositif de protection differentielle
DE4215899C1 (de) * 1992-05-14 1993-11-25 Siemens Ag Anordnung zum Erfassen von Differenzströmen
DE19602911A1 (de) * 1996-01-27 1997-07-31 Abb Patent Gmbh Schaltungsanordnung zur Detektion eines Fehlerstromes
DE19622409A1 (de) * 1996-06-04 1997-12-11 Kopp Heinrich Ag Fehlerstromschutzschalter
DE19822515C2 (de) * 1998-05-19 2000-07-06 Siemens Ag Abschirmung für Summenstrom-Wandleranordnung für Fehlerstrom-Schutzschalter
DE102007004387A1 (de) * 2007-01-29 2008-04-17 Siemens Ag Verfahren und Anordnung zum Messen der Stromstärke eines elektrischen Stroms sowie Bussystem
CN107658092B (zh) * 2016-07-25 2020-06-05 施耐德电气工业公司 铁氧体磁芯、电流互感器以及漏电保护开关

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH460922A (de) * 1967-12-29 1968-08-15 Landis & Gyr Ag Detektorvorrichtung, insbesondere Fehlerstromschutzchalter
US3638072A (en) * 1969-03-19 1972-01-25 Matsushita Electric Works Ltd Detecting device for abnormal state in electric circuit
US3651376A (en) * 1970-08-20 1972-03-21 Rucker Co Ground fault protection with a saturable magnetic core
DE2044302B2 (de) * 1970-09-08 1975-01-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fehlerstromschutzschalter
US3801871A (en) * 1973-04-23 1974-04-02 Amf Inc Gfi circuit having tuned circuit fault detector
US3794884A (en) * 1973-05-29 1974-02-26 Federal Pacific Electric Co Ground fault interrupter with pulsed neutral-to-ground fault detector
DE2336260B1 (de) * 1973-07-17 1974-07-11 Baco Const Elect Ringkernwandler fuer Fehlerstromschutzschalter hoher Ansprechempfindlichkeit

Also Published As

Publication number Publication date
DE2512811C2 (de) 1983-03-24
DE2512811A1 (de) 1976-09-23

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Legal Events

Date Code Title Description
PL Patent ceased