FR2101208A1 - - Google Patents

Info

Publication number
FR2101208A1
FR2101208A1 FR7128491A FR7128491A FR2101208A1 FR 2101208 A1 FR2101208 A1 FR 2101208A1 FR 7128491 A FR7128491 A FR 7128491A FR 7128491 A FR7128491 A FR 7128491A FR 2101208 A1 FR2101208 A1 FR 2101208A1
Authority
FR
France
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
FR7128491A
Other languages
French (fr)
Other versions
FR2101208B1 (en
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of FR2101208A1 publication Critical patent/FR2101208A1/fr
Application granted granted Critical
Publication of FR2101208B1 publication Critical patent/FR2101208B1/fr
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
FR7128491A 1970-08-03 1971-08-03 Expired FR2101208B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6058470A 1970-08-03 1970-08-03

Publications (2)

Publication Number Publication Date
FR2101208A1 true FR2101208A1 (en) 1972-03-31
FR2101208B1 FR2101208B1 (en) 1974-09-06

Family

ID=22030431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128491A Expired FR2101208B1 (en) 1970-08-03 1971-08-03

Country Status (5)

Country Link
JP (1) JPS474226A (en)
DE (1) DE2138804A1 (en)
FR (1) FR2101208B1 (en)
GB (1) GB1361228A (en)
NL (1) NL7110351A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0512110A1 (en) * 1990-11-28 1992-11-11 Square D Co Lighting control for energy management system.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247568A (en) * 1990-08-30 1992-03-04 Mk Electric Ltd Circuitbreaker electrical control apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065517B (en) * 1959-09-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065517B (en) * 1959-09-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0512110A1 (en) * 1990-11-28 1992-11-11 Square D Co Lighting control for energy management system.
EP0512110A4 (en) * 1990-11-28 1993-05-05 Square D Company Lighting control for energy management system

Also Published As

Publication number Publication date
GB1361228A (en) 1974-07-24
JPS474226A (en) 1972-03-01
NL7110351A (en) 1972-02-07
DE2138804A1 (en) 1972-02-10
FR2101208B1 (en) 1974-09-06

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Legal Events

Date Code Title Description
ST Notification of lapse