DE69504700D1 - Stromfühler - Google Patents

Stromfühler

Info

Publication number
DE69504700D1
DE69504700D1 DE69504700T DE69504700T DE69504700D1 DE 69504700 D1 DE69504700 D1 DE 69504700D1 DE 69504700 T DE69504700 T DE 69504700T DE 69504700 T DE69504700 T DE 69504700T DE 69504700 D1 DE69504700 D1 DE 69504700D1
Authority
DE
Germany
Prior art keywords
pct
date
sec
air gap
date jun
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.)
Expired - Fee Related
Application number
DE69504700T
Other languages
English (en)
Other versions
DE69504700T2 (de
Inventor
Simon Powell
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.)
Greenbrook Electrical PLC
Original Assignee
Greenbrook Electrical PLC
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 Greenbrook Electrical PLC filed Critical Greenbrook Electrical PLC
Application granted granted Critical
Publication of DE69504700D1 publication Critical patent/DE69504700D1/de
Publication of DE69504700T2 publication Critical patent/DE69504700T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
    • 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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Amplifiers (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
DE69504700T 1994-11-10 1995-11-10 Stromfühler Expired - Fee Related DE69504700T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9422714A GB9422714D0 (en) 1994-11-10 1994-11-10 Current transducers
PCT/GB1995/002642 WO1996015460A1 (en) 1994-11-10 1995-11-10 Current transducers

Publications (2)

Publication Number Publication Date
DE69504700D1 true DE69504700D1 (de) 1998-10-15
DE69504700T2 DE69504700T2 (de) 1999-02-04

Family

ID=10764189

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69504700T Expired - Fee Related DE69504700T2 (de) 1994-11-10 1995-11-10 Stromfühler

Country Status (11)

Country Link
US (1) US5986444A (de)
EP (1) EP0791178B1 (de)
CN (1) CN1171157A (de)
AT (1) ATE170984T1 (de)
AU (1) AU698849B2 (de)
CA (1) CA2207037A1 (de)
DE (1) DE69504700T2 (de)
ES (1) ES2121425T3 (de)
GB (1) GB9422714D0 (de)
NZ (1) NZ295220A (de)
WO (1) WO1996015460A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6570373B1 (en) * 2002-03-07 2003-05-27 Visteon Global Technologies, Inc. Current sensor programmable through connector
WO2003104829A1 (en) * 2002-06-06 2003-12-18 Koninklijke Philips Electronics N.V. Sensor and method for measuring a current of charged particles
US6710587B1 (en) * 2002-10-11 2004-03-23 Solidone Usa Corporation Low magnitude current sensor using unbalanced flux line detection
US20050231153A1 (en) * 2004-04-20 2005-10-20 Scott Dewey High voltage isolation detection of a fuel cell system using magnetic field cancellation
FR2936062B1 (fr) * 2008-09-12 2010-10-01 Electricfil Automotive Capteur de courant en boucle ouverte a large gamme
EP2515125B1 (de) * 2011-04-21 2017-02-01 Abb Ag Stromsensor mit Magnetkern
JP5911065B2 (ja) * 2012-06-12 2016-04-27 公立大学法人大阪市立大学 漏電検出装置
JP2014106101A (ja) * 2012-11-27 2014-06-09 Toyota Industries Corp 電流センサ
JP2014106100A (ja) * 2012-11-27 2014-06-09 Toyota Industries Corp 電流センサ
US20150212139A1 (en) * 2014-01-24 2015-07-30 GF Technologies, LLC Sensitive and selective ground fault detection
CN106018939B (zh) * 2016-05-20 2018-08-10 清华大学 一种基于隧穿磁阻的大量程暂态电流传感器
US10712369B2 (en) * 2018-03-23 2020-07-14 Analog Devices Global Unlimted Company Current measurement using magnetic sensors and contour intervals
US11639954B2 (en) * 2019-05-29 2023-05-02 Rosemount Aerospace Inc. Differential leakage current measurement for heater health monitoring
US11472562B2 (en) 2019-06-14 2022-10-18 Rosemount Aerospace Inc. Health monitoring of an electrical heater of an air data probe
US11930563B2 (en) 2019-09-16 2024-03-12 Rosemount Aerospace Inc. Monitoring and extending heater life through power supply polarity switching
SE1951382A1 (en) * 2019-12-03 2021-06-04 Bombardier Transp Gmbh Remote sensor arrangement
US11293995B2 (en) * 2020-03-23 2022-04-05 Rosemount Aerospace Inc. Differential leakage current measurement for heater health monitoring
US11630140B2 (en) 2020-04-22 2023-04-18 Rosemount Aerospace Inc. Prognostic health monitoring for heater
JP2023073976A (ja) * 2021-11-16 2023-05-26 株式会社デンソー 電流センサ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3613976A1 (de) * 1986-04-25 1987-10-29 Vdo Schindling Anordnung zur beruehrungslosen messung des elektrischen stroms in einem leiter
DE3614236A1 (de) * 1986-04-26 1987-10-29 Vdo Schindling Anordnung zur beruehrungslosen messung des elektrischen stroms in einem leiter
US5103163A (en) * 1990-10-17 1992-04-07 California Institute Of Technology Current transducer
FR2703467B1 (fr) * 1993-03-29 1995-06-30 Mecagis Capteur de courant à effet Hall à flux nul destiné en particulier aux véhicules automobiles et scooters électriques.
US5694103A (en) * 1996-04-25 1997-12-02 Schlumberger Industries, Inc. Laminated figure 8 power meter core

Also Published As

Publication number Publication date
CA2207037A1 (en) 1996-05-23
EP0791178B1 (de) 1998-09-09
WO1996015460A1 (en) 1996-05-23
ES2121425T3 (es) 1998-11-16
CN1171157A (zh) 1998-01-21
NZ295220A (en) 1998-11-25
AU3851395A (en) 1996-06-06
US5986444A (en) 1999-11-16
GB9422714D0 (en) 1995-01-04
EP0791178A1 (de) 1997-08-27
DE69504700T2 (de) 1999-02-04
ATE170984T1 (de) 1998-09-15
AU698849B2 (en) 1998-11-12

Similar Documents

Publication Publication Date Title
DE69504700D1 (de) Stromfühler
BR9808650A (pt) Método e aparelho para detecção de uma substância magneticamente responsiva
KR850007307A (ko) 홀효과를 이용한 산소감지 시스템
ATE259054T1 (de) Magnetisch-induktiver durchflussmesser
EP1107328A3 (de) Stromdetektor mit einer Hall-Effekt-Anordnung
ATE257248T1 (de) Vorrichtung zur hochauflösenden messung von magnetischen feldern
ATE532189T1 (de) Fehlerstrom begrenzende supraleitende spule
ATE115290T1 (de) Statischer elektrizitätszähler.
DE69501253D1 (de) Stromsensor einschliesslich magnetsensoren
ES2132641T3 (es) Metodo para fabricar una bobina de deteccion de efecto faraday con birrefrigencia estable.
ZA96250B (en) Electricity measurment apparatus and method
ES2110777T3 (es) Procedimiento y disposicion para la medicion de una corriente electrica con dos señales luminosas opuestas utilizando el efecto faraday.
ES2123250T3 (es) Procedimiento y dispositivo de vigilancia de un equipo de proteccion contra el rayo.
ZA200203953B (en) Detection transformer for an earth leakage protection device and protection device comprising such a transformer.
DK0586273T3 (da) Detektorindretning til fejl på et elektrisk energidistributions luftnetværk
ATE240230T1 (de) Stromsensor
GB2370363A (en) Measuring DC component of AC current
ES2128452T3 (es) Aparato de comprobacion.
Minkner et al. A new flexible fiber optic current-measuring-system for AC-and DC-current in high voltage systems
JPS567053A (en) Magnetic flaw detector
ATE284039T1 (de) Verfahren und vorrichtung zum messen eines magnetfeldes mittels lorentzkraft und piezoelektrisches effekts
JPH03162681A (ja) 電流検出器
JPS57161631A (en) Detecting device for surface stress
JPS5578514A (en) Zero-phase current transformer using hole element
ATE224548T1 (de) Verfahren zur bestimmung des kritschen stroms in einem leiter aus supraleitermaterial und gerät zur durchführung des verfahrens

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee