AT311468B - Circuit breakers, in particular residual current circuit breakers - Google Patents

Circuit breakers, in particular residual current circuit breakers

Info

Publication number
AT311468B
AT311468B AT566172A AT566172A AT311468B AT 311468 B AT311468 B AT 311468B AT 566172 A AT566172 A AT 566172A AT 566172 A AT566172 A AT 566172A AT 311468 B AT311468 B AT 311468B
Authority
AT
Austria
Prior art keywords
circuit breakers
residual current
particular residual
current circuit
breakers
Prior art date
Application number
AT566172A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT311468B publication Critical patent/AT311468B/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
    • H02H3/331—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
AT566172A 1971-06-30 1972-06-30 Circuit breakers, in particular residual current circuit breakers AT311468B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AT311468B true AT311468B (en) 1973-11-26

Family

ID=22567662

Family Applications (1)

Application Number Title Priority Date Filing Date
AT566172A AT311468B (en) 1971-06-30 1972-06-30 Circuit breakers, in particular residual current circuit breakers

Country Status (5)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0533972B1 (en) * 1991-09-24 1995-12-06 Siemens Aktiengesellschaft Protection device for protection measures against earth fault currents
DE19813568C1 (en) * 1998-03-27 1999-12-09 Bosch Gmbh Robert Device for fastening elements to a wire grid

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
ZA723226B (en) 1973-03-28
CA968452A (en) 1975-05-27
DE2231432C2 (en) 1982-09-09
CH543175A (en) 1973-10-15
DE2231432A1 (en) 1973-01-18

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee