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 PDFInfo
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 71
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 238000005259 measurement Methods 0.000 description 12
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910005347 FeSi Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective 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
- H01H83/22—Protective 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
- H01H83/226—Protective 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/183—Adaptations 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- 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
-
- 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
- H02H3/34—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 of a three-phase system
- H02H3/347—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 of a three-phase system using summation current transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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) |
Families Citing this family (22)
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)
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 |
-
2005
- 2005-06-24 FR FR0506438A patent/FR2887634B1/fr not_active Expired - Fee Related
-
2006
- 2006-06-02 AT AT06354018T patent/ATE378604T1/de not_active IP Right Cessation
- 2006-06-02 DE DE602006000237T patent/DE602006000237T2/de active Active
- 2006-06-02 ES ES06354018T patent/ES2296273T3/es active Active
- 2006-06-02 EP EP06354018A patent/EP1736784B1/fr active Active
- 2006-06-20 ZA ZA200605052A patent/ZA200605052B/en unknown
- 2006-06-23 US US11/473,241 patent/US7567074B2/en active Active
- 2006-06-26 JP JP2006175333A patent/JP4757721B2/ja active Active
- 2006-06-26 CN CNB2006100908642A patent/CN100526888C/zh active Active
- 2006-06-26 BR BRPI0602440A patent/BRPI0602440B1/pt active IP Right Grant
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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