IT1082997B - Presa di guasto a terra per impianti elettrici - Google Patents

Presa di guasto a terra per impianti elettrici

Info

Publication number
IT1082997B
IT1082997B IT67773/77A IT6777377A IT1082997B IT 1082997 B IT1082997 B IT 1082997B IT 67773/77 A IT67773/77 A IT 67773/77A IT 6777377 A IT6777377 A IT 6777377A IT 1082997 B IT1082997 B IT 1082997B
Authority
IT
Italy
Prior art keywords
electrical systems
ground take
ground
take
systems
Prior art date
Application number
IT67773/77A
Other languages
English (en)
Italian (it)
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Application granted granted Critical
Publication of IT1082997B publication Critical patent/IT1082997B/it

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7135—Structural association with built-in electrical component with built-in switch the switch being a safety switch with ground fault protector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
IT67773/77A 1976-04-08 1977-04-07 Presa di guasto a terra per impianti elettrici IT1082997B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67471476A 1976-04-08 1976-04-08

Publications (1)

Publication Number Publication Date
IT1082997B true IT1082997B (it) 1985-05-21

Family

ID=24707649

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67773/77A IT1082997B (it) 1976-04-08 1977-04-07 Presa di guasto a terra per impianti elettrici

Country Status (7)

Country Link
CA (1) CA1101533A (en:Method)
DE (1) DE2715219A1 (en:Method)
FR (2) FR2347798A1 (en:Method)
GB (2) GB1581364A (en:Method)
IT (1) IT1082997B (en:Method)
MX (1) MX144094A (en:Method)
ZA (1) ZA771801B (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048785A1 (de) * 1980-12-23 1982-07-15 Brown, Boveri & Cie Ag, 6800 Mannheim Schaltungsanordnung zur erfassung eines fehlerstromes
FR2582146A1 (fr) * 1985-05-14 1986-11-21 Osmond Max Dispositif d'alimentation electrique a disjoncteur et prise electrique incorporant ce dispositif
GB8519740D0 (en) * 1985-08-06 1985-09-11 Ashley Accessories Ltd Mains electrical accessories
DE10215019B4 (de) * 2002-04-05 2007-05-16 Doepke Schaltgeraete Gmbh & Co Vorrichtung zum Erfassen von elektrischen Differenzströmen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1965784U (de) * 1967-03-14 1967-08-10 Stotz Kontakt Gmbh Elektrische steckdose mit fehlerstromschutz.
US3813579A (en) * 1970-11-09 1974-05-28 Rucker Co Electric receptacle assembly with ground fault protection
CA1005897A (en) * 1971-05-07 1977-02-22 Ellwood S. Douglas Ground fault protective system
US3787709A (en) * 1971-12-13 1974-01-22 Sci Systems Inc Ground fault-sensitive detector and circuit breaker device
US3936699A (en) * 1973-11-30 1976-02-03 Pass & Seymour, Inc. Ground fault protective circuitry
CA1104243A (en) * 1974-06-17 1981-06-30 Lynn B. Steve Ground fault circuit interrupter module
US4013929A (en) * 1975-04-14 1977-03-22 Square D Company Multiple duty components of a ground fault receptacle

Also Published As

Publication number Publication date
FR2347798A1 (fr) 1977-11-04
FR2347798B1 (en:Method) 1984-12-21
FR2476403B1 (fr) 1986-05-30
DE2715219C2 (en:Method) 1987-09-10
FR2476403A1 (fr) 1981-08-21
DE2715219A1 (de) 1977-10-27
CA1101533A (en) 1981-05-19
GB1581363A (en) 1980-12-10
MX144094A (es) 1981-08-26
ZA771801B (en) 1978-03-29
GB1581364A (en) 1980-12-10

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