JP4757721B2 - 差動電流を測定する測定装置、1つの該測定装置を備えるトリップモジュール、及び1つの該モジュールを備えるスイッチギヤユニット - Google Patents
差動電流を測定する測定装置、1つの該測定装置を備えるトリップモジュール、及び1つの該モジュールを備えるスイッチギヤユニット Download PDFInfo
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- JP4757721B2 JP4757721B2 JP2006175333A JP2006175333A JP4757721B2 JP 4757721 B2 JP4757721 B2 JP 4757721B2 JP 2006175333 A JP2006175333 A JP 2006175333A JP 2006175333 A JP2006175333 A JP 2006175333A JP 4757721 B2 JP4757721 B2 JP 4757721B2
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- 238000004804 winding Methods 0.000 claims abstract description 68
- 238000012545 processing Methods 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 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
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method 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
Images
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 imbalance 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 imbalance 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Protection Of Transformers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Transformers For Measuring Instruments (AREA)
Description
9 差動電流測定装置
10 金属シールド
11 第1の二次巻線
12A,12B 側部シールド
13 内部シールド
14 外部シールド
16 第1磁気回路
25 電流線
26 混合流センサ
28 電源手段
29 処理手段
30 電気的接点
32 開放機構
50 スイッチギヤ装置
Claims (11)
- 2本の電流線(25)における差動電流を測定するように設計された差動電流を測定する装置(9)であって、
第1の電流センサと第2の電流センサとを含み、
前記第1の電流センサは、
前記第1の電流センサの一次回路としての前記2本の電流線(25)を囲むように設計された第1の磁気コア(16)と、
前記第1の磁気コア(16)の周囲に巻かれ、それによって前記第1の電流センサの二次回路を形成する第1の二次巻線(11)と、
を備え、
前記第1の電流センサは、前記2本の電流線(25)における差動電流に対応する電気信号を処理手段(29)に供給するように設計され、
前記第2の電流センサは、
前記第1の二次巻線(11)と前記第1の磁気コア(16)とを囲み、且つ、前記第2の電流センサの一次回路としての前記2本の電流線(25)を囲むような金属シールド(10)と、
前記金属シールド(10)の少なくとも一部に巻かれ、それによって前記第2の電流センサの二次回路を形成する第2の二次巻線(2)と、
を備え、
前記第2の電流センサが、前記2本の電流線(25)における差動電流に対応する電気信号を前記処理手段(29)に供給するように設計される、
ことを特徴とする差動電流測定装置。 - 前記金属シールド(10)が、外部シールド(14)と、内部シールド(13)と、第1側部シールド(12A)及び第2側部シールド(12B)の少なくとも1つとから構成されることを特徴とする、請求項1に記載の差動電流測定装置。
- 前記金属シールド(10)が、前記第1側部シールド(12A)及び前記第2側部シールド(12B)を含むことを特徴とする、請求項2に記載の差動電流測定装置。
- 前記第2の二次巻線(2)が、前記外部シールド(14)の少なくとも一部と、前記内部シールド(13)の少なくとも一部と、前記第1側部シールド(12A)の少なくとも一部と、前記第2側部シールド(12B)の少なくとも一部とを囲むことを特徴とする、請求項3に記載の差動電流測定装置。
- 前記第2の二次巻線(2)が、前記金属シールド(10)を完全に囲むことを特徴とする、請求項4に記載の差動電流測定装置。
- 前記第2の二次巻線(2)が、前記第1側部シールド(12A)及び前記第2側部シールド(12B)のうちの1つの少なくとも一部を囲むことを特徴とする、請求項3に記載の差動電流測定装置。
- 前記第2の二次巻線(2)が、前記第1側部シールド(12A)及び前記第2側部シールド(12B)のうちの1つを囲むことを特徴とする、請求項3に記載の差動電流測定装置。
- 複数の前記第2の二次巻線を備え、
少なくとも1つの前記第2の二次巻線(2A)が、前記第1側部シールド(12A)の少なくとも一部を囲み、残りの前記第2の二次巻線のうちの少なくとも1つの前記第2の二次巻線(2B)が、前記第2側部シールド(12B)の少なくとも一部を囲むことを特徴とする、請求項3に記載の差動電流測定装置。 - 前記第2の二次巻線(2)によって囲まれた前記金属シールドが、少なくとも1つのエアギャップ(60)を含むことを特徴とする、請求項1から8のいずれか1つに記載の差動電流測定装置。
- スイッチギヤ装置(50)に接続されるように設計されたトリップモジュール(40)であって、請求項1から9のいずれか1つに記載の前記差動電流測定装置(9)を備え、
前記スイッチギヤ装置(50)は前記処理手段(29)を備える
ことを特徴とする、トリップモジュール(40)。 - 前記電流線(25)を保護する前記スイッチギヤ装置(50)であって、前記スイッチギヤ装置は、電源手段(28)と、前記処理手段(29)と、電気的接点(30)を開放する開放機構(32)とを含み、且つ、請求項10に記載の前記トリップモジュール(40)と接続され、
前記スイッチギヤ装置(50)の前記処理手段(29)は、前記トリップモジュールの備える前記差動電流測定装置(9)に接続することを特徴とする、スイッチギヤ装置(50)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0506438 | 2005-06-24 | ||
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 (2)
Publication Number | Publication Date |
---|---|
JP2007017435A JP2007017435A (ja) | 2007-01-25 |
JP4757721B2 true JP4757721B2 (ja) | 2011-08-24 |
Family
ID=35892642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006175333A Active JP4757721B2 (ja) | 2005-06-24 | 2006-06-26 | 差動電流を測定する測定装置、1つの該測定装置を備えるトリップモジュール、及び1つの該モジュールを備えるスイッチギヤユニット |
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. |
WO2017148826A1 (de) * | 2016-02-29 | 2017-09-08 | Wöhner GmbH & Co. KG Elektrotechnische Systeme | Strommessvorrichtung |
EP3211436A1 (de) * | 2016-02-29 | 2017-08-30 | Wöhner GmbH & Co. KG Elektrotechnische Systeme | Vorrichtung zur berührungslosen strommessung |
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 ES ES06354018T patent/ES2296273T3/es active Active
- 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 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 BR BRPI0602440A patent/BRPI0602440B1/pt active IP Right Grant
- 2006-06-26 CN CNB2006100908642A patent/CN100526888C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP1736784B1 (fr) | 2007-11-14 |
ES2296273T3 (es) | 2008-04-16 |
JP2007017435A (ja) | 2007-01-25 |
FR2887634B1 (fr) | 2007-08-10 |
DE602006000237D1 (de) | 2007-12-27 |
BRPI0602440A (pt) | 2007-02-21 |
EP1736784A1 (fr) | 2006-12-27 |
US7567074B2 (en) | 2009-07-28 |
CN100526888C (zh) | 2009-08-12 |
FR2887634A1 (fr) | 2006-12-29 |
BRPI0602440B1 (pt) | 2017-05-16 |
ZA200605052B (en) | 2007-09-26 |
CN1885044A (zh) | 2006-12-27 |
ATE378604T1 (de) | 2007-11-15 |
US20060290454A1 (en) | 2006-12-28 |
DE602006000237T2 (de) | 2008-04-17 |
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