CH543175A - Schutzschalter, insbesondere Fehlerstromschutzschalter - Google Patents

Schutzschalter, insbesondere Fehlerstromschutzschalter

Info

Publication number
CH543175A
CH543175A CH973672A CH973672A CH543175A CH 543175 A CH543175 A CH 543175A CH 973672 A CH973672 A CH 973672A CH 973672 A CH973672 A CH 973672A CH 543175 A CH543175 A CH 543175A
Authority
CH
Switzerland
Prior art keywords
circuit breakers
residual current
particular residual
current circuit
breakers
Prior art date
Application number
CH973672A
Other languages
English (en)
Inventor
Raymond Coley Kenneth
Joseph Misencik John
Richard Reeves John
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of CH543175A publication Critical patent/CH543175A/de

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
    • H02H3/331—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 responsive to earthing of the neutral conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
CH973672A 1971-06-30 1972-06-29 Schutzschalter, insbesondere Fehlerstromschutzschalter CH543175A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15833771A 1971-06-30 1971-06-30

Publications (1)

Publication Number Publication Date
CH543175A true CH543175A (de) 1973-10-15

Family

ID=22567662

Family Applications (1)

Application Number Title Priority Date Filing Date
CH973672A CH543175A (de) 1971-06-30 1972-06-29 Schutzschalter, insbesondere Fehlerstromschutzschalter

Country Status (5)

Country Link
AT (1) AT311468B (de)
CA (1) CA968452A (de)
CH (1) CH543175A (de)
DE (1) DE2231432C2 (de)
ZA (1) ZA723226B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE131319T1 (de) * 1991-09-24 1995-12-15 Siemens Ag Schutzeinrichtung für schutzmassnahmen gegen fehlerströme.
DE19813568C1 (de) * 1998-03-27 1999-12-09 Bosch Gmbh Robert Vorrichtung zur Befestigung von Elementen an einem aus Drähten bestehenden Gitter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473091A (en) * 1967-04-14 1969-10-14 Hubbell Inc Harvey Ground leakage differential protective apparatus

Also Published As

Publication number Publication date
CA968452A (en) 1975-05-27
DE2231432C2 (de) 1982-09-09
DE2231432A1 (de) 1973-01-18
AT311468B (de) 1973-11-26
ZA723226B (en) 1973-03-28

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Legal Events

Date Code Title Description
PL Patent ceased