SE455353B - Mettransformator for metning av en strom - Google Patents

Mettransformator for metning av en strom

Info

Publication number
SE455353B
SE455353B SE8401119A SE8401119A SE455353B SE 455353 B SE455353 B SE 455353B SE 8401119 A SE8401119 A SE 8401119A SE 8401119 A SE8401119 A SE 8401119A SE 455353 B SE455353 B SE 455353B
Authority
SE
Sweden
Prior art keywords
conductor
magnetic core
plate conductor
measuring transformer
transformer according
Prior art date
Application number
SE8401119A
Other languages
English (en)
Swedish (sv)
Other versions
SE8401119D0 (sv
SE8401119L (sv
Inventor
R Friedl
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of SE8401119D0 publication Critical patent/SE8401119D0/xx
Publication of SE8401119L publication Critical patent/SE8401119L/
Publication of SE455353B publication Critical patent/SE455353B/sv

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
    • H01F38/30—Constructions
    • 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)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
SE8401119A 1983-03-02 1984-02-29 Mettransformator for metning av en strom SE455353B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1136/83A CH660537A5 (de) 1983-03-02 1983-03-02 Messwandler zum messen eines stromes.

Publications (3)

Publication Number Publication Date
SE8401119D0 SE8401119D0 (sv) 1984-02-29
SE8401119L SE8401119L (sv) 1984-09-03
SE455353B true SE455353B (sv) 1988-07-04

Family

ID=4203327

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8401119A SE455353B (sv) 1983-03-02 1984-02-29 Mettransformator for metning av en strom

Country Status (10)

Country Link
US (1) US4513273A (es)
JP (1) JPS59159517A (es)
AT (1) AT389396B (es)
AU (1) AU560902B2 (es)
CH (1) CH660537A5 (es)
DE (1) DE3401587C2 (es)
ES (1) ES530177A0 (es)
FR (1) FR2542130B1 (es)
GB (1) GB2135831B (es)
SE (1) SE455353B (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403704A (nl) * 1984-12-06 1986-07-01 Philips Nv Generator voor het opwekken van een hoge gelijkspanning.
JPS63500961A (ja) * 1985-09-14 1988-04-07 エルゲーツエット・ランディス・ウント・ギール・ツーク・アクチエンゲゼルシャフト 静的積算電気計器の変流装置
US4630018A (en) * 1985-11-08 1986-12-16 Siemens Energy & Automation, Inc. Molded case circuit breaker current transformer with spiral bus
ES2019323B3 (es) * 1986-09-29 1991-06-16 Landis & Gyr Betr Ag Transformador de medicion para medir la corriente que pasa por un conductor electrico
US4749940A (en) * 1986-12-22 1988-06-07 General Electric Company Folded bar current sensor
US5107204A (en) * 1986-12-22 1992-04-21 General Electric Company Low temperature coefficient shunt for current measurement
US4939451A (en) * 1987-08-24 1990-07-03 Metricom, Inc. Wide dynamic range a.c. current sensor
US4835463A (en) * 1987-08-24 1989-05-30 Metricom, Inc. Wide dynamic range a.c. current sensor
US5066904A (en) * 1988-10-18 1991-11-19 General Electric Company Coaxial current sensors
EP0479008A3 (en) * 1990-09-29 1992-07-01 Siemens Aktiengesellschaft Current measurement apparatus
TW230238B (en) * 1993-04-07 1994-09-11 Gen Electric Differential current sensing method and apparatus
US6023160A (en) * 1994-12-19 2000-02-08 General Electric Company Electrical metering system having an electrical meter and an external current sensor
FI104520B (fi) * 1996-12-11 2000-02-15 Enermet Oy Virtajakajalla varustettu virtamittamuuntaja
AU745831B2 (en) * 1997-12-12 2002-04-11 Enermet Oy Current-meter transformer provided with a current divider
DE29814298U1 (de) * 1998-07-30 1998-11-19 Siemens AG, 80333 München Stromwandleranordnung mit einer Stromschiene als Primärwicklung
DE10011047B4 (de) * 2000-03-07 2010-04-15 Vacuumschmelze Gmbh Direktabbildender Stromsensor
US6538421B1 (en) * 2001-05-14 2003-03-25 Warren W. Carpenter Apparatus with separated conductors
US6577115B1 (en) * 2001-05-14 2003-06-10 Warren W. Carpenter Apparatus with separated conductors
US6597271B2 (en) * 2001-10-12 2003-07-22 Galliano Riccardo Busletta Electromagnetic apparatus having adjusting effective core gap
JP2006219162A (ja) * 2005-02-10 2006-08-24 Hitachi Maxell Ltd バッグインボックス
DE202007009240U1 (de) * 2007-07-02 2007-09-06 Dipl.-Ing. H. Horstmann Gmbh Kurzschlussanzeiger für elektrische Leitungen zur Energieverteilung
KR101353005B1 (ko) * 2009-05-07 2014-01-21 버지니아 일렉트릭 앤드 파워 컴퍼니 개선된 미터링 인프라구조 및 변전소 중앙 전압 제어를 이용한 전압 보존
US9563218B2 (en) 2013-03-15 2017-02-07 Dominion Resources, Inc. Electric power system control with measurement of energy demand and energy efficiency using t-distributions
US9553453B2 (en) 2013-03-15 2017-01-24 Dominion Resources, Inc. Management of energy demand and energy efficiency savings from voltage optimization on electric power systems using AMI-based data analysis
US9582020B2 (en) 2013-03-15 2017-02-28 Dominion Resources, Inc. Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis
US9678520B2 (en) 2013-03-15 2017-06-13 Dominion Resources, Inc. Electric power system control with planning of energy demand and energy efficiency using AMI-based data analysis
US9847639B2 (en) 2013-03-15 2017-12-19 Dominion Energy, Inc. Electric power system control with measurement of energy demand and energy efficiency
US10732656B2 (en) 2015-08-24 2020-08-04 Dominion Energy, Inc. Systems and methods for stabilizer control
US11670448B2 (en) * 2018-05-07 2023-06-06 Astronics Advanced Electronic Systems Corp. System of termination of high power transformers for reduced AC termination loss at high frequency

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831164A (en) * 1953-11-23 1958-04-15 Eleanor De Haas Johnson Transformer apparatus
US3183381A (en) * 1962-08-27 1965-05-11 Avco Corp Electromagnet
US3268843A (en) * 1964-07-14 1966-08-23 Westinghouse Air Brake Co Electric induction apparatus for use in railway signal systems
CH537085A (de) * 1972-04-10 1973-05-15 Sprecher & Schuh Ag Strommesswandler zur Gewinnung einer dem zu messenden Strom proportionalen Spannung
GB2000873B (en) * 1977-07-08 1982-05-26 Landis & Gyr Ag Measuring transformers for potential-free measurement of currents or voltages and static electricity meters including such transformers
CH618043A5 (en) * 1977-07-08 1980-06-30 Landis & Gyr Ag Instrument transformer for the isolated measurement of currents or voltages
US4182982A (en) * 1978-07-11 1980-01-08 Westinghouse Electric Corp. Current sensing transducer for power line current measurements
CH643954A5 (de) * 1979-05-31 1984-06-29 Landis & Gyr Ag Stromteiler fuer messwandler.
DE3140544A1 (de) * 1981-10-13 1983-04-21 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver stromsensor mit primaerer reduzierwicklung

Also Published As

Publication number Publication date
ES8501163A1 (es) 1984-11-01
AU560902B2 (en) 1987-04-16
GB8404392D0 (en) 1984-03-28
AT389396B (de) 1989-11-27
FR2542130A1 (fr) 1984-09-07
ES530177A0 (es) 1984-11-01
GB2135831A (en) 1984-09-05
CH660537A5 (de) 1987-04-30
ATA53184A (de) 1989-04-15
DE3401587A1 (de) 1984-09-13
JPS59159517A (ja) 1984-09-10
SE8401119D0 (sv) 1984-02-29
GB2135831B (en) 1986-05-14
SE8401119L (sv) 1984-09-03
US4513273A (en) 1985-04-23
DE3401587C2 (de) 1985-07-18
AU2480484A (en) 1984-09-06
FR2542130B1 (fr) 1987-07-10

Similar Documents

Publication Publication Date Title
SE455353B (sv) Mettransformator for metning av en strom
SE455354B (sv) Mettransformator for metning av en strom
US4240059A (en) Current divider for a current sensing transducer
US4823075A (en) Current sensor using hall-effect device with feedback
US4749940A (en) Folded bar current sensor
US20050073295A1 (en) Magnetic flux concentrator current sensing topology
US5451865A (en) Method and apparatus for sensing an input current with a bridge circuit
US1379266A (en) Compensation method and apparatus
US3980946A (en) Apparatus for measuring the electrical conductivity of a liquid
US2375591A (en) Electrical measuring apparatus
US9846180B2 (en) Current sensing assembly employing magnetic sensors
CN111164433A (zh) 电流传感器组件
JPS58501692A (ja) 電流測定用変成器
US11815533B2 (en) Current sensor system
US4496932A (en) Current divider for current measurement in conjunction with a measurement transducer
US5432439A (en) Arrangement in a current detection circuit
US4322710A (en) Electrical resistors
US1811319A (en) Alternating-current direct-current meter
CN111542758B (zh) 多相电流测量装置和用于多相电流测量的方法
US5105146A (en) Current sensor and method for determining the current flow in conductors to be evaluated
WO2017160254A1 (en) Electric meter and/or electric measuring instrument without connection terminals comprising cable passage
US2306691A (en) Apparatus for measuring salinity
DE1228831B (de) Vorrichtung zum Ermitteln von Verunreinigungen in einem stroemenden, fluessigen Metall durch Messen des elektrischen Widerstands des Metalls
US3443222A (en) Means for eliminating the effects of resistances in electrical measuring apparatus
CN208568909U (zh) 一种电阻测试仪

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8401119-6

Effective date: 19910117

Format of ref document f/p: F