FR1434294A - Electronic equipment for signaling to an operating unit the presence of differential electric currents in user installations - Google Patents

Electronic equipment for signaling to an operating unit the presence of differential electric currents in user installations

Info

Publication number
FR1434294A
FR1434294A FR6318A FR6318A FR1434294A FR 1434294 A FR1434294 A FR 1434294A FR 6318 A FR6318 A FR 6318A FR 6318 A FR6318 A FR 6318A FR 1434294 A FR1434294 A FR 1434294A
Authority
FR
France
Prior art keywords
signaling
electronic equipment
operating unit
electric currents
differential electric
Prior art date
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.)
Expired
Application number
FR6318A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bassani SpA
Original Assignee
Bassani SpA
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 Bassani SpA filed Critical Bassani SpA
Priority to FR6318A priority Critical patent/FR1434294A/en
Application granted granted Critical
Publication of FR1434294A publication Critical patent/FR1434294A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR6318A 1964-12-19 1965-02-19 Electronic equipment for signaling to an operating unit the presence of differential electric currents in user installations Expired FR1434294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6318A FR1434294A (en) 1964-12-19 1965-02-19 Electronic equipment for signaling to an operating unit the presence of differential electric currents in user installations

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2698264 1964-12-19
FR6318A FR1434294A (en) 1964-12-19 1965-02-19 Electronic equipment for signaling to an operating unit the presence of differential electric currents in user installations

Publications (1)

Publication Number Publication Date
FR1434294A true FR1434294A (en) 1966-04-08

Family

ID=26162174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6318A Expired FR1434294A (en) 1964-12-19 1965-02-19 Electronic equipment for signaling to an operating unit the presence of differential electric currents in user installations

Country Status (1)

Country Link
FR (1) FR1434294A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295553A1 (en) * 1974-12-17 1976-07-16 Saparel Circuit breaker for consumer - uses single unit in multiple format with arc extinction and optional trips
EP0797231A2 (en) * 1996-03-19 1997-09-24 Hosiden Corporation Electrical connector with breaking current for leak

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295553A1 (en) * 1974-12-17 1976-07-16 Saparel Circuit breaker for consumer - uses single unit in multiple format with arc extinction and optional trips
EP0797231A2 (en) * 1996-03-19 1997-09-24 Hosiden Corporation Electrical connector with breaking current for leak
EP0797231A3 (en) * 1996-03-19 1998-07-29 Hosiden Corporation Electrical connector with breaking current for leak

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