CH578271A5 - - Google Patents

Info

Publication number
CH578271A5
CH578271A5 CH723275A CH723275A CH578271A5 CH 578271 A5 CH578271 A5 CH 578271A5 CH 723275 A CH723275 A CH 723275A CH 723275 A CH723275 A CH 723275A CH 578271 A5 CH578271 A5 CH 578271A5
Authority
CH
Switzerland
Application number
CH723275A
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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH578271A5 publication Critical patent/CH578271A5/xx

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
    • H02H3/334—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 to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH723275A 1974-06-14 1975-06-05 CH578271A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742428866 DE2428866B2 (de) 1974-06-14 1974-06-14 Fehlerstromschutzschalter mit prueftaste

Publications (1)

Publication Number Publication Date
CH578271A5 true CH578271A5 (xx) 1976-07-30

Family

ID=5918182

Family Applications (1)

Application Number Title Priority Date Filing Date
CH723275A CH578271A5 (xx) 1974-06-14 1975-06-05

Country Status (8)

Country Link
JP (1) JPS5111175A (xx)
AT (1) AT334459B (xx)
BE (1) BE829942A (xx)
CH (1) CH578271A5 (xx)
DE (1) DE2428866B2 (xx)
ES (1) ES213134Y (xx)
FR (1) FR2275016A1 (xx)
IT (1) IT1038713B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414601A (en) * 1981-04-27 1983-11-08 Westinghouse Electric Corp. Solid-state load protection system having a test feature
AT378444B (de) * 1983-02-24 1985-08-12 Biegelmeier Gottfried Leitungsschutzschalter mit durchgefuehrtem neutralleiter und fehlerstromausloesung
FR2638909B1 (fr) * 1988-11-04 1995-03-31 Merlin Gerin Declencheur differentiel a circuit test et a telecommande d'ouverture autoprotegee
DE4220569A1 (de) * 1992-06-24 1994-01-05 Abb Patent Gmbh Prüfkreisanordnung für einen Fehlerstromschutzschalter
FR2927195A1 (fr) * 2008-02-04 2009-08-07 Hager Electro S A S Soc Par Ac Appareil electrique de coupure a connexion haute et basse

Also Published As

Publication number Publication date
AT334459B (de) 1976-01-25
ES213134U (es) 1976-06-16
FR2275016A1 (fr) 1976-01-09
DE2428866A1 (de) 1975-12-18
ES213134Y (es) 1976-11-16
BE829942A (fr) 1975-10-01
FR2275016B1 (xx) 1977-07-08
ATA357775A (de) 1976-05-15
IT1038713B (it) 1979-11-30
JPS5111175A (en) 1976-01-29
DE2428866B2 (de) 1976-07-08

Similar Documents

Publication Publication Date Title
FR2268856B1 (xx)
FR2268989B1 (xx)
JPS50140826A (xx)
FR2262296B1 (xx)
IN144710B (xx)
FR2275016B1 (xx)
FR2267027B1 (xx)
JPS50112022A (xx)
FR2264391B1 (xx)
JPS50143993A (xx)
CS174455B1 (xx)
JPS50123221A (xx)
JPS50137975U (xx)
JPS50138767U (xx)
CH401674A4 (xx)
CH581986A5 (xx)
CH1465174A4 (xx)
CH579488A5 (xx)
CH413074A4 (xx)
CH561530A5 (xx)
CH564928A5 (xx)
CH568130A5 (xx)
CH571784A5 (xx)
CH572415A5 (xx)
CH573648A5 (xx)

Legal Events

Date Code Title Description
PL Patent ceased