JPS53135539U - - Google Patents

Info

Publication number
JPS53135539U
JPS53135539U JP1978034806U JP3480678U JPS53135539U JP S53135539 U JPS53135539 U JP S53135539U JP 1978034806 U JP1978034806 U JP 1978034806U JP 3480678 U JP3480678 U JP 3480678U JP S53135539 U JPS53135539 U JP S53135539U
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1978034806U
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS53135539U publication Critical patent/JPS53135539U/ja
Pending legal-status Critical Current

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)
JP1978034806U 1972-01-18 1978-03-20 Pending JPS53135539U (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS53135539U true JPS53135539U (enrdf_load_stackoverflow) 1978-10-26

Family

ID=22816443

Family Applications (2)

Application Number Title Priority Date Filing Date
JP48007445A Pending JPS4886050A (enrdf_load_stackoverflow) 1972-01-18 1973-01-18
JP1978034806U Pending JPS53135539U (enrdf_load_stackoverflow) 1972-01-18 1978-03-20

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP48007445A Pending JPS4886050A (enrdf_load_stackoverflow) 1972-01-18 1973-01-18

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
AT318051B (de) 1974-09-25
JPS4886050A (enrdf_load_stackoverflow) 1973-11-14
ZA728755B (en) 1973-08-29
AU5005272A (en) 1974-06-20
DE2301757A1 (de) 1973-07-26

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