DK75981A - Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskobling - Google Patents

Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskobling

Info

Publication number
DK75981A
DK75981A DK75981A DK75981A DK75981A DK 75981 A DK75981 A DK 75981A DK 75981 A DK75981 A DK 75981A DK 75981 A DK75981 A DK 75981A DK 75981 A DK75981 A DK 75981A
Authority
DK
Denmark
Prior art keywords
high sensitivity
fault current
current protection
protection connection
sensitive fault
Prior art date
Application number
DK75981A
Other languages
English (en)
Inventor
R Meyer
Original Assignee
Schupa Elektro Gmbh & Co Kg
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 Schupa Elektro Gmbh & Co Kg filed Critical Schupa Elektro Gmbh & Co Kg
Publication of DK75981A publication Critical patent/DK75981A/da

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
    • H02H3/26—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
    • H02H3/331—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 responsive to earthing of the neutral conductor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
DK75981A 1980-02-27 1981-02-20 Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskobling DK75981A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803007227 DE3007227A1 (de) 1980-02-27 1980-02-27 Hochempfindlicher, allstromsensitiver fehlerstromschutzschalter

Publications (1)

Publication Number Publication Date
DK75981A true DK75981A (da) 1981-08-28

Family

ID=6095600

Family Applications (1)

Application Number Title Priority Date Filing Date
DK75981A DK75981A (da) 1980-02-27 1981-02-20 Hoejfoelsom jaevn og vekselstroemssensitiv fejlstroemsbeskyttelseskobling

Country Status (4)

Country Link
EP (1) EP0035120A3 (da)
DE (1) DE3007227A1 (da)
DK (1) DK75981A (da)
ES (1) ES499830A0 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509089B1 (fr) * 1981-07-06 1986-04-18 Merlin Gerin Dispositif de protection differentielle a haute sensibilite pour la detection de courants de defaut phase ou neutre a la terre
DE59009689D1 (de) * 1990-02-05 1995-10-26 Siemens Ag Differenzstromschutzschalter mit Transduktorschaltung mit Einrichtung zum Symmetrieren von Signalkurven.
US5229725A (en) * 1992-04-07 1993-07-20 Moore Products Co. Electrical fault detector in remote systems using a saturable core
DE9418595U1 (de) * 1994-11-21 1996-03-21 Siemens AG, 80333 München Fehlerstromschutzschalter mit einem Summenstromwandler

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506906A (en) * 1967-12-18 1970-04-14 Rucker Co Ground fault circuit interrupter with inadvertent ground sensor
BE856056A (nl) * 1976-07-13 1977-12-23 Hazemeijer Bv Stroommeetsysteem, meer in het bijzonder toepasbaar als aardlek deteciesysteem, en met een dergelijk systeem uitgeruste functionele inrichting, zoals een aardlekschakelaar
IT1088165B (it) * 1977-10-31 1985-06-10 Elettrocondutture Dispositivo di sicurezza per impianti elettrici, del tipo a trasformatore differenziale con sganciatore

Also Published As

Publication number Publication date
ES8206090A1 (es) 1982-06-16
DE3007227A1 (de) 1981-10-22
EP0035120A2 (de) 1981-09-09
EP0035120A3 (de) 1981-11-04
ES499830A0 (es) 1982-06-16

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment