FR2327662A2 - Dispositif autonome de protection amperemetrique a action temporisee - Google Patents

Dispositif autonome de protection amperemetrique a action temporisee

Info

Publication number
FR2327662A2
FR2327662A2 FR7530479A FR7530479A FR2327662A2 FR 2327662 A2 FR2327662 A2 FR 2327662A2 FR 7530479 A FR7530479 A FR 7530479A FR 7530479 A FR7530479 A FR 7530479A FR 2327662 A2 FR2327662 A2 FR 2327662A2
Authority
FR
France
Prior art keywords
excess current
darlington pair
inversely proportional
transistors connected
delayed action
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.)
Granted
Application number
FR7530479A
Other languages
English (en)
French (fr)
Other versions
FR2327662B2 (enExample
Inventor
Jean Leroy
Michel Teyssedre
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.)
Electricite de France SA
Original Assignee
Electricite de France 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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR7530479A priority Critical patent/FR2327662A2/fr
Publication of FR2327662A2 publication Critical patent/FR2327662A2/fr
Application granted granted Critical
Publication of FR2327662B2 publication Critical patent/FR2327662B2/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • 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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means

Landscapes

  • Protection Of Static Devices (AREA)
FR7530479A 1975-10-06 1975-10-06 Dispositif autonome de protection amperemetrique a action temporisee Granted FR2327662A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7530479A FR2327662A2 (fr) 1975-10-06 1975-10-06 Dispositif autonome de protection amperemetrique a action temporisee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7530479A FR2327662A2 (fr) 1975-10-06 1975-10-06 Dispositif autonome de protection amperemetrique a action temporisee

Publications (2)

Publication Number Publication Date
FR2327662A2 true FR2327662A2 (fr) 1977-05-06
FR2327662B2 FR2327662B2 (enExample) 1981-07-31

Family

ID=9160843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530479A Granted FR2327662A2 (fr) 1975-10-06 1975-10-06 Dispositif autonome de protection amperemetrique a action temporisee

Country Status (1)

Country Link
FR (1) FR2327662A2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504746A1 (fr) * 1981-04-27 1982-10-29 Westinghouse Electric Corp Dispositif de protection de charge a semi-conducteurs avec une detection des derangements a la terre
FR2533081A1 (fr) * 1982-09-15 1984-03-16 Equip Elect Cie Continenta Dispositif autonome de protection pour poste d'energie a courant alternatif polyphase

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504746A1 (fr) * 1981-04-27 1982-10-29 Westinghouse Electric Corp Dispositif de protection de charge a semi-conducteurs avec une detection des derangements a la terre
FR2533081A1 (fr) * 1982-09-15 1984-03-16 Equip Elect Cie Continenta Dispositif autonome de protection pour poste d'energie a courant alternatif polyphase

Also Published As

Publication number Publication date
FR2327662B2 (enExample) 1981-07-31

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