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IT7822773A0 - SAFETY SWITCH FOR FAULT CURRENTS WITH DELAYED DISENGAGEMENT BEHAVIOR. - Google Patents

SAFETY SWITCH FOR FAULT CURRENTS WITH DELAYED DISENGAGEMENT BEHAVIOR.

Info

Publication number
IT7822773A0
IT7822773A0 IT7822773A IT2277378A IT7822773A0 IT 7822773 A0 IT7822773 A0 IT 7822773A0 IT 7822773 A IT7822773 A IT 7822773A IT 2277378 A IT2277378 A IT 2277378A IT 7822773 A0 IT7822773 A0 IT 7822773A0
Authority
IT
Italy
Prior art keywords
safety switch
fault currents
delayed
behavior
disengagement behavior
Prior art date
Application number
IT7822773A
Other languages
Italian (it)
Other versions
IT1095016B (en
Original Assignee
Felten & Guilleaume Carlswerk
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 Felten & Guilleaume Carlswerk filed Critical Felten & Guilleaume Carlswerk
Publication of IT7822773A0 publication Critical patent/IT7822773A0/en
Application granted granted Critical
Publication of IT1095016B publication Critical patent/IT1095016B/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
    • H02H3/34—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
    • 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
    • H02H3/027—Details with automatic disconnection after a predetermined time

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT22773/78A 1977-10-08 1978-04-27 SAFETY SWITCH FOR GLAST CURRENTS WITH DELAYED DISENGAGEMENT BEHAVIOR IT1095016B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2745464A DE2745464B1 (en) 1977-10-08 1977-10-08 Residual current circuit breaker

Publications (2)

Publication Number Publication Date
IT7822773A0 true IT7822773A0 (en) 1978-04-27
IT1095016B IT1095016B (en) 1985-08-10

Family

ID=6021067

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22773/78A IT1095016B (en) 1977-10-08 1978-04-27 SAFETY SWITCH FOR GLAST CURRENTS WITH DELAYED DISENGAGEMENT BEHAVIOR

Country Status (5)

Country Link
AT (1) AT357219B (en)
DE (1) DE2745464B1 (en)
ES (1) ES470020A1 (en)
FR (1) FR2405574A1 (en)
IT (1) IT1095016B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA426180A (en) * 1980-08-21 1982-08-15 Biegelmeier Gottfried Fault current protection switch
FR2502393B1 (en) * 1981-03-19 1986-08-08 Etude Et Realisa De Disjoncteu FAULT CURRENT DETECTION DEVICE
FR2622368B1 (en) * 1987-10-23 1993-04-30 Serd Soc Et Realisa Disjonct SELECTIVE DIFFERENTIAL SWITCH WITH FAULT CURRENT
FR2653610B1 (en) * 1989-10-25 1991-12-27 Etude Realisa Disjoncteurs SELECTIVE DIFFERENTIAL SWITCH WITH FAULT CURRENT.
DE19833829A1 (en) * 1998-07-28 2000-02-03 Abb Patent Gmbh Tripping device for a residual current circuit breaker and circuit arrangement for controlling the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2044475A5 (en) * 1969-05-22 1971-02-19 Landis & Gyr Ag

Also Published As

Publication number Publication date
ES470020A1 (en) 1979-08-16
AT357219B (en) 1980-06-25
FR2405574A1 (en) 1979-05-04
IT1095016B (en) 1985-08-10
ATA224778A (en) 1979-11-15
DE2745464B1 (en) 1979-01-25

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