FR689705A - Perfectionnements aux systèmes de protection pour feeders et pour autres circuits électriques - Google Patents

Perfectionnements aux systèmes de protection pour feeders et pour autres circuits électriques

Info

Publication number
FR689705A
FR689705A FR689705DA FR689705A FR 689705 A FR689705 A FR 689705A FR 689705D A FR689705D A FR 689705DA FR 689705 A FR689705 A FR 689705A
Authority
FR
France
Prior art keywords
feeders
electrical circuits
protection systems
systems
protection
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
Other languages
English (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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR689705A publication Critical patent/FR689705A/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
    • H02H3/28—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/305—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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving current comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR689705D 1929-02-12 1930-02-11 Perfectionnements aux systèmes de protection pour feeders et pour autres circuits électriques Expired FR689705A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB689705X 1929-02-12
GB4696/29A GB333509A (en) 1929-02-12 1929-02-12 Improvements in electric protective arrangements

Publications (1)

Publication Number Publication Date
FR689705A true FR689705A (fr) 1930-09-10

Family

ID=60629218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689705D Expired FR689705A (fr) 1929-02-12 1930-02-11 Perfectionnements aux systèmes de protection pour feeders et pour autres circuits électriques

Country Status (2)

Country Link
FR (1) FR689705A (fr)
GB (1) GB333509A (fr)

Also Published As

Publication number Publication date
GB333509A (en) 1930-08-12

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