FR2116422A1 - - Google Patents

Info

Publication number
FR2116422A1
FR2116422A1 FR7142811A FR7142811A FR2116422A1 FR 2116422 A1 FR2116422 A1 FR 2116422A1 FR 7142811 A FR7142811 A FR 7142811A FR 7142811 A FR7142811 A FR 7142811A FR 2116422 A1 FR2116422 A1 FR 2116422A1
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.)
Withdrawn
Application number
FR7142811A
Other languages
French (fr)
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of FR2116422A1 publication Critical patent/FR2116422A1/fr
Withdrawn legal-status Critical Current

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
    • H02H3/332—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)
  • Regulation Of General Use Transformers (AREA)
  • Breakers (AREA)
FR7142811A 1970-12-01 1971-11-30 Withdrawn FR2116422A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059054 DE2059054A1 (de) 1970-12-01 1970-12-01 Fehlerstromschutzschalter

Publications (1)

Publication Number Publication Date
FR2116422A1 true FR2116422A1 (enrdf_load_stackoverflow) 1972-07-13

Family

ID=5789636

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7142811A Withdrawn FR2116422A1 (enrdf_load_stackoverflow) 1970-12-01 1971-11-30

Country Status (10)

Country Link
JP (1) JPS4728452A (enrdf_load_stackoverflow)
AT (1) AT310852B (enrdf_load_stackoverflow)
BE (1) BE775890A (enrdf_load_stackoverflow)
CH (1) CH532856A (enrdf_load_stackoverflow)
DE (1) DE2059054A1 (enrdf_load_stackoverflow)
ES (1) ES397526A1 (enrdf_load_stackoverflow)
FR (1) FR2116422A1 (enrdf_load_stackoverflow)
GB (1) GB1371654A (enrdf_load_stackoverflow)
IT (1) IT941390B (enrdf_load_stackoverflow)
ZA (1) ZA717897B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000127A1 (en) * 1977-09-02 1979-03-22 N Gath Defect current protection switch,reacting to double biased direct defect currents

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638728B2 (enrdf_load_stackoverflow) * 1973-07-04 1981-09-08
JPS5035912A (enrdf_load_stackoverflow) * 1973-08-01 1975-04-04
LU79817A1 (de) * 1978-06-15 1980-01-22 N Gath Fehlerstromschutzschalter
DE4215899C1 (de) * 1992-05-14 1993-11-25 Siemens Ag Anordnung zum Erfassen von Differenzströmen
DE4215900C1 (de) * 1992-05-14 1993-12-23 Siemens Ag Anordnung zum Erfassen von Differenzströmen
DE4314539C2 (de) * 1993-05-03 1998-11-05 Siemens Ag Magnetowiderstands-Sensor mit vertikaler Empfindlichkeit und Verwendung des Sensors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000127A1 (en) * 1977-09-02 1979-03-22 N Gath Defect current protection switch,reacting to double biased direct defect currents

Also Published As

Publication number Publication date
JPS4728452A (enrdf_load_stackoverflow) 1972-11-01
ZA717897B (en) 1972-08-30
AT310852B (de) 1973-10-25
GB1371654A (en) 1974-10-23
IT941390B (it) 1973-03-01
ES397526A1 (es) 1974-05-16
CH532856A (de) 1973-01-15
DE2059054A1 (de) 1972-06-08
BE775890A (fr) 1972-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse