FR520940A - Perfectionnements aux appareils de protection pour réseaux de distribution à courant alternatif - Google Patents

Perfectionnements aux appareils de protection pour réseaux de distribution à courant alternatif

Info

Publication number
FR520940A
FR520940A FR520940A FR520940DA FR520940A FR 520940 A FR520940 A FR 520940A FR 520940 A FR520940 A FR 520940A FR 520940D A FR520940D A FR 520940DA FR 520940 A FR520940 A FR 520940A
Authority
FR
France
Prior art keywords
alternating current
current distribution
protection devices
distribution networks
networks
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
FR520940A
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 FR520940A publication Critical patent/FR520940A/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)
  • Supply And Distribution Of Alternating Current (AREA)
FR520940A 1918-11-29 1920-07-22 Perfectionnements aux appareils de protection pour réseaux de distribution à courant alternatif Expired FR520940A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB520940X 1918-11-29
US333011A US1343018A (en) 1918-11-29 1919-10-24 Protective device

Publications (1)

Publication Number Publication Date
FR520940A true FR520940A (fr) 1921-07-04

Family

ID=49887361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520940A Expired FR520940A (fr) 1918-11-29 1920-07-22 Perfectionnements aux appareils de protection pour réseaux de distribution à courant alternatif

Country Status (2)

Country Link
US (1) US1343018A (fr)
FR (1) FR520940A (fr)

Also Published As

Publication number Publication date
US1343018A (en) 1920-06-08

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