FR513971A - Perfectionnements aux dispositifs de protection pour réseaux de distribution à courant alternatif - Google Patents

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

Info

Publication number
FR513971A
FR513971A FR513971A FR513971DA FR513971A FR 513971 A FR513971 A FR 513971A FR 513971 A FR513971 A FR 513971A FR 513971D A FR513971D A FR 513971DA FR 513971 A FR513971 A FR 513971A
Authority
FR
France
Prior art keywords
restraining
relays
windings
series
transformers
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
FR513971A
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 FR513971A publication Critical patent/FR513971A/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)
  • Transformers For Measuring Instruments (AREA)
  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR513971A 1918-10-17 1920-04-17 Perfectionnements aux dispositifs de protection pour réseaux de distribution à courant alternatif Expired FR513971A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1697418A GB133187A (fr) 1918-10-17 1918-10-17

Publications (1)

Publication Number Publication Date
FR513971A true FR513971A (fr) 1921-02-28

Family

ID=49887360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR513971A Expired FR513971A (fr) 1918-10-17 1920-04-17 Perfectionnements aux dispositifs de protection pour réseaux de distribution à courant alternatif

Country Status (3)

Country Link
US (1) US1341488A (fr)
FR (1) FR513971A (fr)
GB (1) GB133187A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523813A (en) * 1945-04-05 1950-09-26 Union D Electricite Soc Backup protection for comparator systems having faulted supply

Also Published As

Publication number Publication date
US1341488A (en) 1920-05-25
GB133187A (fr) 1919-10-09

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