DE3785583D1 - Stromdetektor. - Google Patents

Stromdetektor.

Info

Publication number
DE3785583D1
DE3785583D1 DE8787110697T DE3785583T DE3785583D1 DE 3785583 D1 DE3785583 D1 DE 3785583D1 DE 8787110697 T DE8787110697 T DE 8787110697T DE 3785583 T DE3785583 T DE 3785583T DE 3785583 D1 DE3785583 D1 DE 3785583D1
Authority
DE
Germany
Prior art keywords
electricity detector
electricity
detector
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 - Lifetime
Application number
DE8787110697T
Other languages
English (en)
Other versions
DE3785583T2 (de
Inventor
Ichirou C O Fukuyama S Arinobu
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3785583D1 publication Critical patent/DE3785583D1/de
Publication of DE3785583T2 publication Critical patent/DE3785583T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01R15/185—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 with compensation or feedback windings or interacting coils, e.g. 0-flux sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
DE87110697T 1986-01-27 1987-07-23 Stromdetektor. Expired - Lifetime DE3785583T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61016269A JPS62173707A (ja) 1986-01-27 1986-01-27 回路しや断器の電流検出装置
EP87110697A EP0300075B1 (de) 1986-01-27 1987-07-23 Stromdetektor

Publications (2)

Publication Number Publication Date
DE3785583D1 true DE3785583D1 (de) 1993-05-27
DE3785583T2 DE3785583T2 (de) 1993-11-25

Family

ID=56976833

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87110697T Expired - Lifetime DE3785583T2 (de) 1986-01-27 1987-07-23 Stromdetektor.

Country Status (4)

Country Link
US (1) US4914385A (de)
EP (1) EP0300075B1 (de)
JP (1) JPS62173707A (de)
DE (1) DE3785583T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301060A (en) * 1989-11-30 1994-04-05 Minolta Camera Kabushiki Kaisha Optical element
JPH0534617A (ja) * 1991-07-26 1993-02-12 Minolta Camera Co Ltd レーザビーム走査光学装置
FR2719124B1 (fr) * 1994-04-21 1996-06-07 Merlin Gerin Procédé et dispositif de correction d'un signal de courant.
DE29708694U1 (de) * 1997-05-15 1998-09-17 Siemens AG, 80333 München Stromwandler für Wechselstrommessungen im Niederspannungsbereich
US6377431B1 (en) * 1999-08-13 2002-04-23 Eaton Corporation Non-automatic power circuit breaker including trip mechanism which is disabled after closure of separable contacts
TWI242922B (en) * 2003-11-04 2005-11-01 Delta Electronics Inc Over current detector of motor driver
EP1896859A1 (de) * 2005-06-29 2008-03-12 Abb Research Ltd. Vorrichtung zur detektion eines stroms und verfahren zum betrieb einer solchen vorrichtung
EP1930735A1 (de) * 2006-12-08 2008-06-11 HÜTTINGER Elektronik GmbH + Co. KG Vorrichtung und Verfahren zum Messen von Wechselströmen
US9046553B2 (en) 2008-10-09 2015-06-02 Alstom Grid Uk Ltd Method and apparatus for dynamic signal switching of a merging unit in an electrical power system
CA2779513C (en) 2009-11-05 2016-08-09 Alstom Technology Ltd Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices
US20110276289A1 (en) * 2010-05-07 2011-11-10 Samsung Electronics Co., Ltd. Power monitoring apparatus for household appliance
JP5948958B2 (ja) * 2012-02-29 2016-07-06 富士電機機器制御株式会社 電流検出装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231589C (de) *
CH502683A (de) * 1968-10-15 1971-01-31 Vacuumschmelze Gmbh Funkentstördrossel, insbesondere zur Funkentstörung von Halbleiterschaltungen
US3614830A (en) * 1969-02-28 1971-10-26 Ibm Method of manufacturing laminated structures
DE2119950C3 (de) * 1971-04-23 1975-06-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Funk-Entstördrossel
JPS5194211A (de) * 1975-02-15 1976-08-18
US4200933A (en) * 1976-07-30 1980-04-29 Systron-Donner Corporation Method of automatically calibrating a microprocessor controlled digital multimeter
US4106095A (en) * 1977-05-31 1978-08-08 Electronic Data Systems, Inc. Electrical usage display system
US4163938A (en) * 1978-05-01 1979-08-07 Moore Products Co. Calibrating device for control stations and indicators
US4200836A (en) * 1978-06-13 1980-04-29 Fuji Electric Co., Ltd. Apparatus for measuring insulation resistance in an operating three-phase ungrounded transmission line system
JPS5591810A (en) * 1978-12-29 1980-07-11 Mitsubishi Electric Corp Zero phase current transformer
US4283677A (en) * 1979-05-18 1981-08-11 Shoji Niwa Clamp type galvanometer
US4378523A (en) * 1980-10-02 1983-03-29 Torr Vacuum Products, Inc. Metering and control system
US4352138A (en) * 1980-11-25 1982-09-28 Mcgraw-Edison Company Backup trip circuit for a circuit breaker
US4410848A (en) * 1981-06-08 1983-10-18 Basler Electric Company System for maintaining excitation of an alternator during excessive output current conditions
US4454557A (en) * 1982-04-15 1984-06-12 Mcgraw-Edison Company Non-linear alternating current transducer
US4482862A (en) * 1982-06-10 1984-11-13 The Charles Stark Draper Laboratory, Inc. Current sensor
JPS60173814A (ja) * 1984-02-20 1985-09-07 Toshiba Corp 貫通形変流器
JPS6139512A (ja) * 1984-07-31 1986-02-25 Toko Denki Kk 帰還型変流器
US4668931A (en) * 1986-02-18 1987-05-26 General Electric Company Composite silicon steel-amorphous steel transformer core

Also Published As

Publication number Publication date
EP0300075B1 (de) 1993-04-21
EP0300075A1 (de) 1989-01-25
DE3785583T2 (de) 1993-11-25
JPS62173707A (ja) 1987-07-30
US4914385A (en) 1990-04-03

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