JPS4728452A - - Google Patents

Info

Publication number
JPS4728452A
JPS4728452A JP9753771A JP9753771A JPS4728452A JP S4728452 A JPS4728452 A JP S4728452A JP 9753771 A JP9753771 A JP 9753771A JP 9753771 A JP9753771 A JP 9753771A JP S4728452 A JPS4728452 A JP S4728452A
Authority
JP
Japan
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.)
Pending
Application number
JP9753771A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4728452A publication Critical patent/JPS4728452A/ja
Pending 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)
JP9753771A 1970-12-01 1971-12-03 Pending JPS4728452A (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
JPS4728452A true JPS4728452A (enrdf_load_stackoverflow) 1972-11-01

Family

ID=5789636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9753771A Pending JPS4728452A (enrdf_load_stackoverflow) 1970-12-01 1971-12-03

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022410A (enrdf_load_stackoverflow) * 1973-07-04 1975-03-10
JPS5035912A (enrdf_load_stackoverflow) * 1973-08-01 1975-04-04

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU78075A1 (de) * 1977-09-02 1979-04-09 Gath N Fehlerstromschutzschalter
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022410A (enrdf_load_stackoverflow) * 1973-07-04 1975-03-10
JPS5035912A (enrdf_load_stackoverflow) * 1973-08-01 1975-04-04

Also Published As

Publication number Publication date
ZA717897B (en) 1972-08-30
AT310852B (de) 1973-10-25
GB1371654A (en) 1974-10-23
FR2116422A1 (enrdf_load_stackoverflow) 1972-07-13
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

Similar Documents

Publication Publication Date Title
ATA96471A (enrdf_load_stackoverflow)
AU1146470A (enrdf_load_stackoverflow)
AU2044470A (enrdf_load_stackoverflow)
AU1473870A (enrdf_load_stackoverflow)
AU1326870A (enrdf_load_stackoverflow)
AU2130570A (enrdf_load_stackoverflow)
AU2085370A (enrdf_load_stackoverflow)
AU2017870A (enrdf_load_stackoverflow)
AU1833270A (enrdf_load_stackoverflow)
AU1716970A (enrdf_load_stackoverflow)
AU1517670A (enrdf_load_stackoverflow)
AU1336970A (enrdf_load_stackoverflow)
AU1591370A (enrdf_load_stackoverflow)
AU1841070A (enrdf_load_stackoverflow)
AU2144270A (enrdf_load_stackoverflow)
AU2131570A (enrdf_load_stackoverflow)
AU2130770A (enrdf_load_stackoverflow)
AU1328670A (enrdf_load_stackoverflow)
AU1277070A (enrdf_load_stackoverflow)
AU1343870A (enrdf_load_stackoverflow)
AU1247570A (enrdf_load_stackoverflow)
AU1969370A (enrdf_load_stackoverflow)
AU1235770A (enrdf_load_stackoverflow)
AU1581370A (enrdf_load_stackoverflow)
AU1189670A (enrdf_load_stackoverflow)