JPS57175542U - - Google Patents

Info

Publication number
JPS57175542U
JPS57175542U JP1982020028U JP2002882U JPS57175542U JP S57175542 U JPS57175542 U JP S57175542U JP 1982020028 U JP1982020028 U JP 1982020028U JP 2002882 U JP2002882 U JP 2002882U JP S57175542 U JPS57175542 U JP S57175542U
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.)
Granted
Application number
JP1982020028U
Other languages
Japanese (ja)
Other versions
JPS6145696Y2 (en
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 JPS57175542U publication Critical patent/JPS57175542U/ja
Application granted granted Critical
Publication of JPS6145696Y2 publication Critical patent/JPS6145696Y2/ja
Expired 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
    • H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
    • 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
    • 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
    • H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
JP1982020028U 1977-12-09 1982-02-17 Expired JPS6145696Y2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85899077A 1977-12-09 1977-12-09

Publications (2)

Publication Number Publication Date
JPS57175542U true JPS57175542U (en) 1982-11-06
JPS6145696Y2 JPS6145696Y2 (en) 1986-12-23

Family

ID=25329694

Family Applications (2)

Application Number Title Priority Date Filing Date
JP15118478A Pending JPS5487833A (en) 1977-12-09 1978-12-08 Portable emergency security device
JP1982020028U Expired JPS6145696Y2 (en) 1977-12-09 1982-02-17

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP15118478A Pending JPS5487833A (en) 1977-12-09 1978-12-08 Portable emergency security device

Country Status (11)

Country Link
JP (2) JPS5487833A (en)
AU (1) AU533221B2 (en)
BE (1) BE872643A (en)
BR (1) BR7807900A (en)
CA (1) CA1127747A (en)
ES (1) ES475803A1 (en)
FR (1) FR2411497A1 (en)
GB (1) GB2010496B (en)
IT (1) IT1107373B (en)
PH (1) PH20495A (en)
ZA (1) ZA786652B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586137B1 (en) * 1985-08-06 1987-12-11 Merlin Gerin REMOTE OPENING OF A DIFFERENTIAL PROTECTION DEVICE, IN PARTICULAR OF A DIFFERENTIAL CONNECTION CIRCUIT BREAKER
EP0215969A1 (en) * 1985-09-21 1987-04-01 MOTORI ELETTRICI ROTOS S.p.A A ciruit arrangement for sensing, transmitting, and processing information of the occurrence of a variation in a parameter of AC electric equipment to be monitored
IL97694A0 (en) * 1991-03-27 1992-06-21 Amit Electronics & Engineering Device and method for gfci time response and ground test
US5396505A (en) * 1993-07-06 1995-03-07 Tandem Computers Incorporated Programmable error-checking matrix for digital communication system
ES2233185B1 (en) * 2003-07-18 2006-02-16 Emilio Haba Armero DEVICE FOR VERIFYING DIFFERENTIAL SWITCHES IN A LOW VOLTAGE INSTALLATION.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4898083U (en) * 1972-02-24 1973-11-20

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT308225B (en) * 1968-11-15 1973-06-25 Felten & Guilleaume Schaltanl Protective circuit for portable consumer devices connected to earthed networks
GB1337806A (en) * 1971-07-07 1973-11-21 Mcmillan R D Socket testers
JPS5018071B2 (en) * 1972-03-28 1975-06-26
US3898557A (en) * 1973-11-12 1975-08-05 Daltec Systems Inc Electrical device for testing a ground fault circuit interrupter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4898083U (en) * 1972-02-24 1973-11-20

Also Published As

Publication number Publication date
ZA786652B (en) 1979-11-28
GB2010496B (en) 1982-03-24
IT1107373B (en) 1985-11-25
AU4221978A (en) 1979-06-14
FR2411497A1 (en) 1979-07-06
BE872643A (en) 1979-06-08
ES475803A1 (en) 1979-12-01
BR7807900A (en) 1979-07-31
CA1127747A (en) 1982-07-13
IT7841680A0 (en) 1978-12-07
JPS6145696Y2 (en) 1986-12-23
GB2010496A (en) 1979-06-27
JPS5487833A (en) 1979-07-12
PH20495A (en) 1987-01-21
AU533221B2 (en) 1983-11-10

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