AT318051B - Schutzschalter, insbesondere Fehlerstromschutzschalter - Google Patents

Schutzschalter, insbesondere Fehlerstromschutzschalter

Info

Publication number
AT318051B
AT318051B AT38373A AT38373A AT318051B AT 318051 B AT318051 B AT 318051B AT 38373 A AT38373 A AT 38373A AT 38373 A AT38373 A AT 38373A AT 318051 B AT318051 B AT 318051B
Authority
AT
Austria
Prior art keywords
circuit breakers
residual current
particular residual
current circuit
breakers
Prior art date
Application number
AT38373A
Other languages
German (de)
English (en)
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 AT318051B publication Critical patent/AT318051B/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)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
AT38373A 1972-01-18 1973-01-18 Schutzschalter, insbesondere Fehlerstromschutzschalter AT318051B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21877172A 1972-01-18 1972-01-18

Publications (1)

Publication Number Publication Date
AT318051B true AT318051B (de) 1974-09-25

Family

ID=22816443

Family Applications (1)

Application Number Title Priority Date Filing Date
AT38373A AT318051B (de) 1972-01-18 1973-01-18 Schutzschalter, insbesondere Fehlerstromschutzschalter

Country Status (5)

Country Link
JP (2) JPS4886050A (enrdf_load_stackoverflow)
AT (1) AT318051B (enrdf_load_stackoverflow)
CA (1) CA1016262A (enrdf_load_stackoverflow)
DE (1) DE2301757A1 (enrdf_load_stackoverflow)
ZA (1) ZA728755B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CA1016262A (en) 1977-08-23
JPS4886050A (enrdf_load_stackoverflow) 1973-11-14
ZA728755B (en) 1973-08-29
AU5005272A (en) 1974-06-20
JPS53135539U (enrdf_load_stackoverflow) 1978-10-26
DE2301757A1 (de) 1973-07-26

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Legal Events

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