FR910101A - Improvements to safety devices for locking power line protection relays in unstable conditions - Google Patents

Improvements to safety devices for locking power line protection relays in unstable conditions

Info

Publication number
FR910101A
FR910101A FR910101DA FR910101A FR 910101 A FR910101 A FR 910101A FR 910101D A FR910101D A FR 910101DA FR 910101 A FR910101 A FR 910101A
Authority
FR
France
Prior art keywords
power line
safety devices
line protection
locking power
protection relays
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
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR910101A publication Critical patent/FR910101A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/46Emergency 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 frequency deviations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/04Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR910101D 1941-11-28 1941-11-28 Improvements to safety devices for locking power line protection relays in unstable conditions Expired FR910101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR910101T 1941-11-28

Publications (1)

Publication Number Publication Date
FR910101A true FR910101A (en) 1946-05-28

Family

ID=9409176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910101D Expired FR910101A (en) 1941-11-28 1941-11-28 Improvements to safety devices for locking power line protection relays in unstable conditions

Country Status (4)

Country Link
BE (1) BE446776A (en)
CH (1) CH236655A (en)
FR (1) FR910101A (en)
GB (1) GB573748A (en)

Also Published As

Publication number Publication date
BE446776A (en)
GB573748A (en) 1945-12-04
CH236655A (en) 1945-02-28

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