FR2407592A1 - Circuit de protection contre les courants de fuite - Google Patents

Circuit de protection contre les courants de fuite

Info

Publication number
FR2407592A1
FR2407592A1 FR7830817A FR7830817A FR2407592A1 FR 2407592 A1 FR2407592 A1 FR 2407592A1 FR 7830817 A FR7830817 A FR 7830817A FR 7830817 A FR7830817 A FR 7830817A FR 2407592 A1 FR2407592 A1 FR 2407592A1
Authority
FR
France
Prior art keywords
circuit breaker
protection system
leakage current
differential transformer
supply network
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
FR7830817A
Other languages
English (en)
Other versions
FR2407592B3 (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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri AG Germany
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri AG Germany
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri AG Germany filed Critical BBC Brown Boveri AG Switzerland
Priority to FR7830817A priority Critical patent/FR2407592A1/fr
Publication of FR2407592A1 publication Critical patent/FR2407592A1/fr
Application granted granted Critical
Publication of FR2407592B3 publication Critical patent/FR2407592B3/fr
Granted 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
    • H02H3/32—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
    • H02H3/33—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 using summation current transformers
    • H02H3/332—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 using summation current transformers with means responsive to dc component in the fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)

Abstract

CE CIRCUIT DE PROTECTION CONTRE LES COURANTS DE FUITE COMPREND UN TRANSFORMATEUR DIFFERENTIEL 5 AUTOUR DUQUEL SONT ENROULES LES CONDUCTEURS DE PHASE CONSTITUANT LES ENROULEMENTS PRIMAIRE ET SECONDAIRE. UN DISPOSITIF D'ALIMENTATION 1 EST RACCORDE A L'ENROULEMENT SECONDAIRE 8 POUR LA PRE-MAGNETISATION DU NOYAU DE FER 5 AVEC COURANT ALTERNATIF ET D'AUTRE PART A UN ACCUMULATEUR D'ENERGIE 12, ET EN CAS DE COURANT DE FUITE, L'ACCUMULATEUR D'ENERGIE 12 DELIVRE SON ENERGIE AU DECLENCHEUR 14, PAR L'INTERMEDIAIRE D'UN DISPOSITIF DETERMINATEUR DE SEUIL 13, POUR L'INTERRUPTION DES CONDUCTEURS DE PHASE 6, 7.
FR7830817A 1978-10-31 1978-10-31 Circuit de protection contre les courants de fuite Granted FR2407592A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7830817A FR2407592A1 (fr) 1978-10-31 1978-10-31 Circuit de protection contre les courants de fuite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830817A FR2407592A1 (fr) 1978-10-31 1978-10-31 Circuit de protection contre les courants de fuite

Publications (2)

Publication Number Publication Date
FR2407592A1 true FR2407592A1 (fr) 1979-05-25
FR2407592B3 FR2407592B3 (fr) 1981-08-14

Family

ID=9214322

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830817A Granted FR2407592A1 (fr) 1978-10-31 1978-10-31 Circuit de protection contre les courants de fuite

Country Status (1)

Country Link
FR (1) FR2407592A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502834A1 (fr) * 1981-03-25 1982-10-01 Magnetic Metals Gmbh Noyau de transformateur differentiel pour courants pulsatoires et interrupteur de protection contre des courants de fuite utilisant un tel noyau
US4953054A (en) * 1987-06-19 1990-08-28 Gerhard Fetzer Circuit for protection against fault currents

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502834A1 (fr) * 1981-03-25 1982-10-01 Magnetic Metals Gmbh Noyau de transformateur differentiel pour courants pulsatoires et interrupteur de protection contre des courants de fuite utilisant un tel noyau
US4953054A (en) * 1987-06-19 1990-08-28 Gerhard Fetzer Circuit for protection against fault currents

Also Published As

Publication number Publication date
FR2407592B3 (fr) 1981-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse