FR2458165A1 - Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique - Google Patents

Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique

Info

Publication number
FR2458165A1
FR2458165A1 FR7914257A FR7914257A FR2458165A1 FR 2458165 A1 FR2458165 A1 FR 2458165A1 FR 7914257 A FR7914257 A FR 7914257A FR 7914257 A FR7914257 A FR 7914257A FR 2458165 A1 FR2458165 A1 FR 2458165A1
Authority
FR
France
Prior art keywords
circuit
toroid
differential
level
ground fault
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
FR7914257A
Other languages
English (en)
Other versions
FR2458165B1 (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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to FR7914257A priority Critical patent/FR2458165A1/fr
Publication of FR2458165A1 publication Critical patent/FR2458165A1/fr
Application granted granted Critical
Publication of FR2458165B1 publication Critical patent/FR2458165B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
    • 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
    • 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
    • H02H3/50—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 the appearance of abnormal wave forms, e.g. ac in dc installations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

L'INVENTION EST RELATIVE A UN DISPOSITIF DE PROTECTION CONTRE LES DEFAUTS DE MISE A LA TERRE D'UNE INSTALLATION ELECTRIQUE COMPRENANT UN CONVERTISSEUR STATIQUE INSERE ENTRE UN RESEAU ALTERNATIF D'ALIMENTATION ET UNE CHARGE. IL COMPORTE UN DETECTEUR DE COURANT CONTINU DCC A ENROULEMENT DE PREMAGNETISATION 42 ET A NOYAU 40 FERROMAGNETIQUE SATURABLE EN FORME DE TORE ENTOURANT LES CONDUCTEURS ACTIFS L, L, L DU RESEAU ALTERNATIF POUR CONTROLER LA PRESENCE D'UNE COMPOSANTE DE COURANT CONTINU DANS LEDIT RESEAU ALTERNATIF RESULTANT D'UN DEFAUT D'ISOLEMENT D SUR LE RESEAU CONTINU. UN ENROULEMENT SECONDAIRE 46 EST CONNECTE A UN DISPOSITIF DE COMMANDE 48 ASSOCIE A LA BOBINE 52 DE DECLENCHEMENT D'UN DISJONCTEUR MULTIPOLAIRE 54. APPLICATION : PROTECTION DES ALIMENTATIONS STATIQUES SANS COUPURE.
FR7914257A 1979-05-31 1979-05-31 Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique Granted FR2458165A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7914257A FR2458165A1 (fr) 1979-05-31 1979-05-31 Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7914257A FR2458165A1 (fr) 1979-05-31 1979-05-31 Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique

Publications (2)

Publication Number Publication Date
FR2458165A1 true FR2458165A1 (fr) 1980-12-26
FR2458165B1 FR2458165B1 (fr) 1982-12-03

Family

ID=9226201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7914257A Granted FR2458165A1 (fr) 1979-05-31 1979-05-31 Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique

Country Status (1)

Country Link
FR (1) FR2458165A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1904394A1 (de) * 1969-01-30 1970-08-13 Bbc Brown Boveri & Cie Anordnung zur Erfassung des Erdschlussstromes bei Gleichstromverbrauchern,die ueber Stromrichter von einem Drehstromnetz mit geerdetem Mittelpunktleiter gespeist werden
FR2096459A1 (fr) * 1970-06-24 1972-02-18 Westinghouse Electric Corp
GB1345869A (en) * 1971-11-30 1974-02-06 Secr Defence Electrical current measuring instruments
DE2555303A1 (de) * 1975-12-09 1977-06-23 Bbc Brown Boveri & Cie Fehlerstromschutzschaltung
FR2387542A1 (fr) * 1977-04-14 1978-11-10 Siemens Ag Dispositif detecteur de defauts par rapport a la terre dans un convertisseur statique de courant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1904394A1 (de) * 1969-01-30 1970-08-13 Bbc Brown Boveri & Cie Anordnung zur Erfassung des Erdschlussstromes bei Gleichstromverbrauchern,die ueber Stromrichter von einem Drehstromnetz mit geerdetem Mittelpunktleiter gespeist werden
FR2096459A1 (fr) * 1970-06-24 1972-02-18 Westinghouse Electric Corp
GB1345869A (en) * 1971-11-30 1974-02-06 Secr Defence Electrical current measuring instruments
DE2555303A1 (de) * 1975-12-09 1977-06-23 Bbc Brown Boveri & Cie Fehlerstromschutzschaltung
FR2387542A1 (fr) * 1977-04-14 1978-11-10 Siemens Ag Dispositif detecteur de defauts par rapport a la terre dans un convertisseur statique de courant

Also Published As

Publication number Publication date
FR2458165B1 (fr) 1982-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse