CH469383A - Fehlerstromschutzschaltanordnung mit einem Summenstromwandler - Google Patents

Fehlerstromschutzschaltanordnung mit einem Summenstromwandler

Info

Publication number
CH469383A
CH469383A CH407968A CH407968A CH469383A CH 469383 A CH469383 A CH 469383A CH 407968 A CH407968 A CH 407968A CH 407968 A CH407968 A CH 407968A CH 469383 A CH469383 A CH 469383A
Authority
CH
Switzerland
Prior art keywords
circuit breaker
summation
current transformer
residual
current circuit
Prior art date
Application number
CH407968A
Other languages
English (en)
Inventor
Gerhards Helmut
Niedernhuber Guenter
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 CH469383A publication Critical patent/CH469383A/de

Links

Classifications

    • 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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/008—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for protective arrangements according to this subclass
    • 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)
  • Thermally Actuated Switches (AREA)
CH407968A 1967-06-03 1968-03-19 Fehlerstromschutzschaltanordnung mit einem Summenstromwandler CH469383A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0110164 1967-06-03

Publications (1)

Publication Number Publication Date
CH469383A true CH469383A (de) 1969-02-28

Family

ID=7530025

Family Applications (1)

Application Number Title Priority Date Filing Date
CH407968A CH469383A (de) 1967-06-03 1968-03-19 Fehlerstromschutzschaltanordnung mit einem Summenstromwandler

Country Status (3)

Country Link
AT (1) AT288524B (de)
CH (1) CH469383A (de)
FR (1) FR1583880A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (de) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Leitungsschutzschalter mit differenzstromausloesung
US5966281A (en) * 1998-05-06 1999-10-12 Square D Company Circuit breaker with thermal sensing unit

Also Published As

Publication number Publication date
FR1583880A (de) 1969-12-05
DE1588723B2 (de) 1972-10-12
AT288524B (de) 1971-03-10
DE1588723A1 (de) 1970-12-23

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