FR1303988A - Fault current protection device - Google Patents

Fault current protection device

Info

Publication number
FR1303988A
FR1303988A FR876436A FR876436A FR1303988A FR 1303988 A FR1303988 A FR 1303988A FR 876436 A FR876436 A FR 876436A FR 876436 A FR876436 A FR 876436A FR 1303988 A FR1303988 A FR 1303988A
Authority
FR
France
Prior art keywords
protection device
fault current
current protection
fault
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
FR876436A
Other languages
French (fr)
Inventor
August Stuke
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 filed Critical
Priority to FR876436A priority Critical patent/FR1303988A/en
Application granted granted Critical
Publication of FR1303988A publication Critical patent/FR1303988A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • 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
    • H02H3/34—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 of a three-phase system
    • H02H3/347—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 of a three-phase system using summation current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR876436A 1961-10-19 1961-10-19 Fault current protection device Expired FR1303988A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR876436A FR1303988A (en) 1961-10-19 1961-10-19 Fault current protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR876436A FR1303988A (en) 1961-10-19 1961-10-19 Fault current protection device

Publications (1)

Publication Number Publication Date
FR1303988A true FR1303988A (en) 1962-09-14

Family

ID=8764997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876436A Expired FR1303988A (en) 1961-10-19 1961-10-19 Fault current protection device

Country Status (1)

Country Link
FR (1) FR1303988A (en)

Similar Documents

Publication Publication Date Title
FR1305948A (en) Device for surge protection
FR1300021A (en) Protection device
FR84760E (en) Fast protection relay
CH395267A (en) Current limiting device
FR1274667A (en) Switching device for electric currents
FR1324416A (en) Fault current protection device
FR1308676A (en) Fault current protection device
FR1303988A (en) Fault current protection device
FR1256489A (en) Short circuit protection device
FR1461006A (en) Surge protection device
FR1280423A (en) Fault current protection switch
CH380199A (en) Surge protection device
FR1277542A (en) Fault current protection switch
FR1294448A (en) Surge protection device
FR1499450A (en) Insulation fault protection device
FR1283551A (en) Protection device
FR1328365A (en) Electrical overcurrent protection device
FR1333483A (en) Protection against abnormal transient currents
FR1285547A (en) Surge protection device
FR1272846A (en) Over-current protection
FR76846E (en) Sophisticated electrical network protection device
FR1296058A (en) Jet breaker
FR1409807A (en) Surge protection device
FR1269661A (en) Burglar protection device
FR1173986A (en) Surge protection device