ZA962965B - A differential protection device sensitive to pulsed currents - Google Patents

A differential protection device sensitive to pulsed currents

Info

Publication number
ZA962965B
ZA962965B ZA962965A ZA962965A ZA962965B ZA 962965 B ZA962965 B ZA 962965B ZA 962965 A ZA962965 A ZA 962965A ZA 962965 A ZA962965 A ZA 962965A ZA 962965 B ZA962965 B ZA 962965B
Authority
ZA
South Africa
Prior art keywords
protection device
differential protection
device sensitive
pulsed currents
pulsed
Prior art date
Application number
ZA962965A
Other languages
English (en)
Inventor
Michel Bonniau
Marc Paupert
Original Assignee
Schneider Electric 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 Schneider Electric Sa filed Critical Schneider Electric Sa
Publication of ZA962965B publication Critical patent/ZA962965B/xx

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
ZA962965A 1995-04-18 1996-04-15 A differential protection device sensitive to pulsed currents ZA962965B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9504850A FR2733374B1 (fr) 1995-04-18 1995-04-18 Dispositif de protection differentielle sensible aux courants pulses

Publications (1)

Publication Number Publication Date
ZA962965B true ZA962965B (en) 1996-10-22

Family

ID=9478369

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA962965A ZA962965B (en) 1995-04-18 1996-04-15 A differential protection device sensitive to pulsed currents

Country Status (8)

Country Link
US (1) US5969930A (xx)
EP (1) EP0821842B1 (xx)
CN (1) CN1047886C (xx)
DE (1) DE69613467T2 (xx)
ES (1) ES2160243T3 (xx)
FR (1) FR2733374B1 (xx)
WO (1) WO1996033542A1 (xx)
ZA (1) ZA962965B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19937061A1 (de) * 1999-08-05 2001-02-08 Siemens Ag Fehlerstrom-Schutzeinrichtung
FR2824951B1 (fr) * 2001-05-21 2003-07-25 Schneider Electric Ind Sa Transformateur de detection pour dispositif de protection differentielle et dispositif de protection comportant un tel transformateur
EP1724792A1 (fr) * 2005-05-20 2006-11-22 Imphy Alloys Procédé de fabrication d'une bande en matériau nanocristallin et dispositif de fabrication d'un tore enroulé à partir de cette bande
TW200926217A (en) * 2007-12-06 2009-06-16 Ming-Yue Jiang Apparatus for regenerating power using current magnetic field energy of power cord
AT511285B1 (de) * 2011-04-01 2019-11-15 Eaton Gmbh Fehlerstromschutzschalter
FR2993058B1 (fr) * 2012-07-05 2014-08-08 Hager Electro Sas Dispositif de protection differentiel.
FR3043270B1 (fr) * 2015-10-29 2021-04-30 Hager Electro Sas Dispositif de protection differentielle avec une fonction coupe-feu
CN106026049B (zh) * 2016-07-25 2018-10-16 国网山东省电力公司聊城供电公司 基于光学电流互感器的差动保护装置
CN106058804A (zh) * 2016-07-25 2016-10-26 国网山东省电力公司聊城供电公司 基于光学电流互感器的线路全电流差动保护判断方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614534A (en) * 1970-06-29 1971-10-19 Thomas A O Gross Ground-fault-responsive electrical protective systems
US3657604A (en) * 1971-04-19 1972-04-18 Gen Electric Shock protection device circuit
DE3028595A1 (de) * 1980-07-28 1982-02-25 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter, der auf fehlerstroeme mit gleichstromkomponenten anspricht
US4378579A (en) * 1980-11-07 1983-03-29 Sprague Electric Company Alternately low and high input-impedance detector for use in a GFI
US4366520A (en) * 1981-03-25 1982-12-28 Magnetic Metals Corporation Differential transformer core for pulse currents
CH656262A5 (en) * 1981-07-01 1986-06-13 Maier & Cie C Electronic tripping circuit for a delayed fault current protection circuit
FR2520164A1 (fr) * 1982-01-19 1983-07-22 Merlin Gerin Dispositif de declenchement differentiel a propre courant
DE3911480A1 (de) * 1989-04-08 1990-10-11 Vacuumschmelze Gmbh Verwendung einer feinkristallinen eisen-basislegierung als magnetwerkstoff fuer fehlerstrom-schutzschalter
IT1247630B (it) * 1990-11-08 1994-12-28 Zanussi Elettrodomestici Dispositivo di sicurezza elettronico di tipo differenziale per apparecchiature elettrodomestiche
DE4210748C1 (de) * 1992-04-01 1993-12-16 Vacuumschmelze Gmbh Stromwandler für pulsstromsensitive Fehlerstromschutzschalter, Fehlerstromschutzschalter mit einem solchen Stromwandler, und Verfahren zur Wärmebehandlung des Eisenlegierungsbandes für dessen Magnetkern
DE4429007A1 (de) * 1994-08-16 1996-02-22 Siemens Ag Fehlerstromschutzschalter mit Energiespeicherschaltung

Also Published As

Publication number Publication date
DE69613467D1 (de) 2001-07-26
DE69613467T2 (de) 2002-04-11
US5969930A (en) 1999-10-19
FR2733374A1 (fr) 1996-10-25
CN1184566A (zh) 1998-06-10
FR2733374B1 (fr) 1997-06-06
WO1996033542A1 (fr) 1996-10-24
ES2160243T3 (es) 2001-11-01
EP0821842B1 (fr) 2001-06-20
EP0821842A1 (fr) 1998-02-04
CN1047886C (zh) 1999-12-29

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