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)
French (fr)
Other versions
FR2407592B3 (US20100223739A1-20100909-C00025.png
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)
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 (US20100223739A1-20100909-C00025.png) 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 (US20100223739A1-20100909-C00025.png)

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 (US20100223739A1-20100909-C00025.png) 1981-08-14

Similar Documents

Publication Publication Date Title
ES8601627A1 (es) Equipo de control para sistema generador de rayos x
GB1244045A (en) Improvements in or relating to circuit breaking apparatus
GB962658A (en) Safety means for protection against leakage currents
FR2407592A1 (fr) Circuit de protection contre les courants de fuite
FR2430680A1 (fr) Detecteur de courant de defaut continu ou alternatif
ES8407241A1 (es) Perfeccionamientos en un conmutador protector contra corriente de defecto
GB1028925A (en) Transformer arrangement in or for use in current supply apparatus
ES454612A1 (es) Un interruptor de proteccion contra corriente por averia.
ES451396A1 (es) Perfeccionamientos en interruptores de proteccion de co- rriente de fuga con disparo por impulso.
FR2321208A1 (fr) Systemes differentiels de protection
SE8001097L (sv) Differentialskyddsanordning
GB828218A (en) Improvements in or relating to safety devices for the protection of electric cables against accidental faults
GB1520736A (en) Electrical protection circuits
JPS5558512A (en) Grounding potential transformer
GB769126A (en) Improvements in apparatus for generating high voltage direct current from alternating current
JPS547141A (en) Earthing detector
GB1271373A (en) Current leakage circuit breaker device
ES8505140A1 (es) Perfeccionamientos en un interruptor contra corriente de defecto
JPS54124225A (en) Parnt-and-dhild type transformer for use in meters
JPS57152736A (en) Signal generator for signal transmission utilizing distribution line
GB802746A (en) Improvements relating to earth fault protection for electrical equipment
JPS6419916A (en) Spot network power receiving and transformation protector
JPS54109126A (en) Method of testing induction of transformer
JPS54101125A (en) Parallel closing transformer with ac-dc changeover tap
JPS5373626A (en) Electric supply system for pipe insulator of divided electric supply type heater in three phases

Legal Events

Date Code Title Description
ST Notification of lapse