ZA200605052B - Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module - Google Patents

Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module Download PDF

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Publication number
ZA200605052B
ZA200605052B ZA200605052A ZA200605052A ZA200605052B ZA 200605052 B ZA200605052 B ZA 200605052B ZA 200605052 A ZA200605052 A ZA 200605052A ZA 200605052 A ZA200605052 A ZA 200605052A ZA 200605052 B ZA200605052 B ZA 200605052B
Authority
ZA
South Africa
Prior art keywords
current
secondary winding
shielding
measuring differential
differential current
Prior art date
Application number
ZA200605052A
Other languages
English (en)
Inventor
Mas Patrick
Buffat Subastien
Original Assignee
Schneider Electric Ind Sas
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 Ind Sas filed Critical Schneider Electric Ind Sas
Publication of ZA200605052B publication Critical patent/ZA200605052B/en

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being unbalance of two or more currents or voltages
    • H01H83/226Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being unbalance of two or more currents or voltages with differential transformer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens
    • H01F27/366Electric or magnetic shields or screens made of ferromagnetic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/28Current transformers
    • H01F38/30Constructions
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0007Details of emergency protective circuit arrangements concerning the detecting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/33Emergency 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/34Emergency 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 of a three-phase system
    • H02H3/347Emergency 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 of a three-phase system using summation current transformers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/18Screening arrangements against electric or magnetic fields, e.g. against earth's field
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults
ZA200605052A 2005-06-24 2006-06-20 Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module ZA200605052B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0506438A FR2887634B1 (fr) 2005-06-24 2005-06-24 Dispositif de mesure de courant differentiel, module de declenchement comportant un tel dispositif de mesure et dispositif de coupure ayant un tel module

Publications (1)

Publication Number Publication Date
ZA200605052B true ZA200605052B (en) 2007-09-26

Family

ID=35892642

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200605052A ZA200605052B (en) 2005-06-24 2006-06-20 Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module

Country Status (10)

Country Link
US (1) US7567074B2 (ja)
EP (1) EP1736784B1 (ja)
JP (1) JP4757721B2 (ja)
CN (1) CN100526888C (ja)
AT (1) ATE378604T1 (ja)
BR (1) BRPI0602440B1 (ja)
DE (1) DE602006000237T2 (ja)
ES (1) ES2296273T3 (ja)
FR (1) FR2887634B1 (ja)
ZA (1) ZA200605052B (ja)

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Publication number Priority date Publication date Assignee Title
US20100148907A1 (en) * 2008-12-17 2010-06-17 General Electric Company Current transformer and electrical monitoring system
JP5680287B2 (ja) * 2009-05-27 2015-03-04 新科實業有限公司SAE Magnetics(H.K.)Ltd. 電流センサ
US8975889B2 (en) 2011-01-24 2015-03-10 Infineon Technologies Ag Current difference sensors, systems and methods
ITBG20110010A1 (it) * 2011-04-06 2012-10-07 Abb Spa Dispositivo di commutazione elettrica.
KR101414102B1 (ko) 2011-10-20 2014-07-01 교세라 도큐멘트 솔루션즈 가부시키가이샤 차동 변압기식 자기 센서
DE102012201992A1 (de) 2012-02-10 2013-08-14 Siemens Aktiengesellschaft Kombinationswandleranordnung und Schaltgerät
RU2546995C2 (ru) * 2012-06-25 2015-04-10 Общество с ограниченной ответственностью Научно-производственное предприятие "Гаммамет" Экранированный датчик тока
CN103293361B (zh) * 2013-06-03 2015-07-29 哈尔滨理工大学 基于双磁路可温度补偿的电流传感器及其电流检测方法
EP2940702A1 (de) * 2014-04-16 2015-11-04 Bender GmbH & Co. KG Differenzstrom-messmodul
EP3026443B1 (en) 2014-11-27 2018-01-31 ABB Schweiz AG An electronic device for measuring a differential current in an electric line.
EP3211436A1 (de) * 2016-02-29 2017-08-30 Wöhner GmbH & Co. KG Elektrotechnische Systeme Vorrichtung zur berührungslosen strommessung
WO2017148826A1 (de) * 2016-02-29 2017-09-08 Wöhner GmbH & Co. KG Elektrotechnische Systeme Strommessvorrichtung
DE102016205101A1 (de) * 2016-03-29 2017-10-05 Siemens Aktiengesellschaft Differenzstromsensor
FR3050081B1 (fr) * 2016-04-12 2018-03-23 Schneider Electric Industries Sas Dispositif de detection d'un courant de defaut
DE102017205004B4 (de) * 2017-03-24 2022-12-08 Siemens Aktiengesellschaft Leistungsschalter
FR3069718B1 (fr) * 2017-07-25 2019-08-09 Schneider Electric Industries Sas Appareil de protection electrique differentielle
FR3072462B1 (fr) 2017-10-16 2020-05-22 Schneider Electric Industries Sas Dispositif de mesure de courant, procede de fabrication, module de protection et disjoncteur differentiel utilisant un tel dispositif de mesure de courant
FR3075387B1 (fr) * 2017-12-14 2019-11-08 Schneider Electric Industries Sas Dispositif de mesure du courant electrique, appareil de mesure du courant et procede de fabrication d'un dispositif de mesure du courant
FR3078406B1 (fr) * 2018-02-27 2020-02-21 Schneider Electric Industries Sas Dispositif de mesure d'au moins une grandeur electrique d'un courant circulant dans au moins un appareil electrique
CN110648825B (zh) 2018-06-27 2022-05-13 台达电子工业股份有限公司 变压器
FR3089013B1 (fr) * 2018-11-22 2021-01-29 Valeo Siemens Eautomotive France Sas Noyau magnetique pour capteur de mesure de courant
DE102022113560A1 (de) * 2022-05-30 2023-11-30 Magnetec Gmbh Fehlerstromschutzeinrichtung mit allstromsensitiver Erkennung von Differenzströmen sowie Ladestecker, In-Kabel-Kontrollbox, Ladekabel und Ladevorrichtung damit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3100419C2 (de) * 1981-01-09 1986-07-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Übertrager hoher Leistungsdichte
US4887029A (en) * 1988-03-18 1989-12-12 Westinghouse Electric Corp. Mutual inductance current transducer, method of making and electric energy meter incorporating same
JP2522255Y2 (ja) * 1990-07-30 1997-01-08 株式会社トーキン 零相変流器
US5828282A (en) * 1996-12-13 1998-10-27 General Electric Company Apparatus and method for shielding a toroidal current sensor
US6246311B1 (en) * 1997-11-26 2001-06-12 Vlt Corporation Inductive devices having conductive areas on their surfaces
DE19822515C2 (de) * 1998-05-19 2000-07-06 Siemens Ag Abschirmung für Summenstrom-Wandleranordnung für Fehlerstrom-Schutzschalter
FR2854741B1 (fr) * 2003-05-05 2005-06-24 Schneider Electric Ind Sas Dispositif et procede de detection de defaut terre et relais comportant un tel dispositif

Also Published As

Publication number Publication date
FR2887634B1 (fr) 2007-08-10
JP4757721B2 (ja) 2011-08-24
ES2296273T3 (es) 2008-04-16
BRPI0602440A (pt) 2007-02-21
DE602006000237T2 (de) 2008-04-17
FR2887634A1 (fr) 2006-12-29
BRPI0602440B1 (pt) 2017-05-16
JP2007017435A (ja) 2007-01-25
US20060290454A1 (en) 2006-12-28
CN1885044A (zh) 2006-12-27
US7567074B2 (en) 2009-07-28
DE602006000237D1 (de) 2007-12-27
CN100526888C (zh) 2009-08-12
EP1736784B1 (fr) 2007-11-14
EP1736784A1 (fr) 2006-12-27
ATE378604T1 (de) 2007-11-15

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