DK134374C - FAULT CURRENT PROTECTION SWITCH - Google Patents

FAULT CURRENT PROTECTION SWITCH

Info

Publication number
DK134374C
DK134374C DK360071A DK360071A DK134374C DK 134374 C DK134374 C DK 134374C DK 360071 A DK360071 A DK 360071A DK 360071 A DK360071 A DK 360071A DK 134374 C DK134374 C DK 134374C
Authority
DK
Denmark
Prior art keywords
fault current
current protection
protection switch
switch
fault
Prior art date
Application number
DK360071A
Other languages
Danish (da)
Other versions
DK134374B (en
Inventor
H Roesch
Original Assignee
Siemens Ag
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
Priority claimed from DE19702036497 external-priority patent/DE2036497C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK134374B publication Critical patent/DK134374B/en
Application granted granted Critical
Publication of DK134374C publication Critical patent/DK134374C/en

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)
DK360071A 1970-07-23 1971-07-22 FAULT CURRENT PROTECTION SWITCH DK134374C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702036497 DE2036497C3 (en) 1970-07-23 Residual current circuit breaker r

Publications (2)

Publication Number Publication Date
DK134374B DK134374B (en) 1976-10-25
DK134374C true DK134374C (en) 1977-03-21

Family

ID=5777593

Family Applications (1)

Application Number Title Priority Date Filing Date
DK360071A DK134374C (en) 1970-07-23 1971-07-22 FAULT CURRENT PROTECTION SWITCH

Country Status (7)

Country Link
JP (1) JPS561012B1 (en)
AT (1) AT318052B (en)
BE (1) BE770327A (en)
CH (1) CH532855A (en)
DK (1) DK134374C (en)
FR (1) FR2099548B1 (en)
GB (1) GB1359714A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101847A (en) * 1973-01-31 1974-09-26
DE2348881C3 (en) * 1973-09-28 1980-10-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Residual current circuit breaker
DE2429446A1 (en) * 1974-06-19 1976-01-02 Siemens Ag ADDITIONAL PART FOR FAULT CURRENT CIRCUIT BREAKERS FOR NIGHTLY RETROFITTING
JPS54639U (en) * 1977-03-04 1979-01-05
FR2422276A1 (en) * 1978-04-07 1979-11-02 Saparel EARTH FAULT CURRENT PROTECTION DEVICE
AT372549B (en) * 1980-04-16 1983-10-25 Felten & Guilleaume Ag Oester Fault current protection switch without summation current transformer
FR2481851A1 (en) * 1980-04-30 1981-11-06 Merlin Gerin DEVICE FOR DIFFERENTIAL PROTECTION SENSITIVE TO A UNIDIRECTIONAL CURRENT
DE3202320A1 (en) * 1982-01-26 1983-07-28 Siemens AG, 1000 Berlin und 8000 München Fault current protection switch that responds to fault currents with direct current components
GB8512133D0 (en) * 1985-05-14 1985-06-19 Dorman Smith Switchgear Ltd Residual current detector
DE19702371A1 (en) * 1997-01-23 1998-07-30 Siemens Ag Residual current device
US8699190B2 (en) 2010-11-23 2014-04-15 Vacuumschmelze Gmbh & Co. Kg Soft magnetic metal strip for electromechanical components

Also Published As

Publication number Publication date
BE770327A (en) 1972-01-24
FR2099548A1 (en) 1972-03-17
JPS473574A (en) 1972-02-22
DE2036497A1 (en) 1972-02-03
CH532855A (en) 1973-01-15
AT318052B (en) 1974-09-25
JPS561012B1 (en) 1981-01-10
FR2099548B1 (en) 1976-04-30
GB1359714A (en) 1974-07-10
DK134374B (en) 1976-10-25
DE2036497B2 (en) 1975-03-27

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Legal Events

Date Code Title Description
PBP Patent lapsed