ES521689A0 - Transformador de medida con un nucleo magnetico para aparatos de medida, destinados a medir corrientes alternas electricas. - Google Patents

Transformador de medida con un nucleo magnetico para aparatos de medida, destinados a medir corrientes alternas electricas.

Info

Publication number
ES521689A0
ES521689A0 ES521689A ES521689A ES521689A0 ES 521689 A0 ES521689 A0 ES 521689A0 ES 521689 A ES521689 A ES 521689A ES 521689 A ES521689 A ES 521689A ES 521689 A0 ES521689 A0 ES 521689A0
Authority
ES
Spain
Prior art keywords
magnetic core
measuring
current
intended
transformer
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.)
Granted
Application number
ES521689A
Other languages
English (en)
Other versions
ES8404103A1 (es
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.)
Siemens Building Technologies AG
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
LGZ Landis and Gyr Zug 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 and Gyr AG, LGZ Landis and Gyr Zug AG filed Critical Landis and Gyr AG
Publication of ES8404103A1 publication Critical patent/ES8404103A1/es
Publication of ES521689A0 publication Critical patent/ES521689A0/es
Granted 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
    • G01R15/18—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
    • 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
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
    • 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
    • H01F38/32—Circuit arrangements
    • 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
    • H01F2038/305—Constructions with toroidal magnetic core

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)
  • Amplifiers (AREA)
ES521689A 1982-04-22 1983-04-21 Transformador de medida con un nucleo magnetico para aparatos de medida, destinados a medir corrientes alternas electricas. Granted ES521689A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH243882 1982-04-22

Publications (2)

Publication Number Publication Date
ES8404103A1 ES8404103A1 (es) 1984-04-01
ES521689A0 true ES521689A0 (es) 1984-04-01

Family

ID=4233810

Family Applications (1)

Application Number Title Priority Date Filing Date
ES521689A Granted ES521689A0 (es) 1982-04-22 1983-04-21 Transformador de medida con un nucleo magnetico para aparatos de medida, destinados a medir corrientes alternas electricas.

Country Status (6)

Country Link
US (1) US4513274A (es)
EP (1) EP0092653B1 (es)
JP (1) JPS58191410A (es)
AT (1) ATE18825T1 (es)
DE (1) DE3218823C2 (es)
ES (1) ES521689A0 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104465057B (zh) * 2015-01-07 2016-06-22 谭成忠 一种筒状导体电流互感器

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US4746891A (en) * 1985-04-19 1988-05-24 Square D Company High saturation three coil current transformer
US4894610A (en) * 1985-09-14 1990-01-16 LOZ Landis & Gyr Zug AG Current-transformer arrangement for an electrostatic meter
US4700131A (en) * 1986-04-07 1987-10-13 Westinghouse Electric Corp. Mutual inductor current sensor
US4683513A (en) * 1986-04-07 1987-07-28 Westinghouse Electric Corp. Dual current transformer current sensing method and sensor
US4847554A (en) * 1987-03-04 1989-07-11 Sangamo Weston, Inc. Current measuring and magnetic core compensating apparatus and method
DE3715528A1 (de) * 1987-05-09 1988-11-24 Zera Elektrische Pruefgeraete Stromwandlerschaltung
DE3741333A1 (de) * 1987-05-09 1989-06-15 Zera Elektrische Pruefgeraete Stromwandlerschaltung
US4845384A (en) * 1988-03-16 1989-07-04 Westinghouse Electric Corp. Dynamic logic units
US5057769A (en) * 1989-07-27 1991-10-15 Sensorlink Corporation AC current sensor
DE4035209C2 (de) * 1990-11-06 1994-07-14 Noszko Viktor Impedanzwandler
AT398868B (de) * 1991-07-05 1995-02-27 Siemens Ag Oesterreich Eintaktdurchflusswandler
US5515262A (en) * 1992-10-21 1996-05-07 Hitran Corporation Variable inductance current limiting reactor
US5539369A (en) * 1993-01-14 1996-07-23 International Business Machines Corporation Multiple-toroid induction device
US5416408A (en) * 1993-07-06 1995-05-16 General Electric Company Current sensor employing a mutually inductive current sensing scheme with a magnetic field substantially uniform in angular direction
US5459395A (en) * 1993-07-06 1995-10-17 General Electric Company Reduced flux current sensor
US5453681A (en) * 1993-07-06 1995-09-26 General Electric Company Current sensor employing a mutually inductive current sensing scheme
US5420504A (en) * 1993-07-06 1995-05-30 General Electric Company Noninductive shunt current sensor based on concentric-pipe geometry
US5446372A (en) * 1993-07-06 1995-08-29 General Electric Company Noninductive shunt current sensor with self-power capability
US5438257A (en) * 1993-09-09 1995-08-01 General Electric Company Reduced magnetic flux current sensor
US5463313A (en) * 1993-09-09 1995-10-31 General Electric Company Reduced magnetic field line integral current sensor
DE4340020A1 (de) * 1993-11-24 1995-06-01 Sachsenwerk Ag Induktiver elektrischer Wandler
US5451865A (en) * 1994-02-25 1995-09-19 General Electric Company Method and apparatus for sensing an input current with a bridge circuit
US6023160A (en) * 1994-12-19 2000-02-08 General Electric Company Electrical metering system having an electrical meter and an external current sensor
US5537026A (en) * 1995-04-26 1996-07-16 Emerson Electric Co. Method and apparatus for power controller operation using master and slave firing units
US6114847A (en) * 1995-10-04 2000-09-05 Johnson; Darrell Connectionless signal detection device for conductive cables
FR2752996B1 (fr) * 1996-09-05 1998-10-02 Schneider Electric Sa Transformateur de courant et relais de protection comportant un tel transformateur
US5850114A (en) * 1996-12-23 1998-12-15 Froidevaux; Jean-Claude Device for improving the quality of audio and/or video signals
DE19706127C2 (de) * 1997-02-17 1999-09-09 Vacuumschmelze Gmbh Stromwandler
US6954060B1 (en) 2003-03-28 2005-10-11 Edel Thomas G a-c current transformer functional with a d-c current component present
US7078996B1 (en) * 2005-05-20 2006-07-18 Ambient Corporation Inductive coupler for power line communications
US20070109088A1 (en) * 2005-11-11 2007-05-17 Realtronics/Edgecom Snap-On Parasitic Power Line Transformer
TWI323552B (en) * 2006-10-12 2010-04-11 Delta Electronics Inc Current sensing circuit using integrated current-sensing transformer
US20110182094A1 (en) * 2007-08-13 2011-07-28 The Powerwise Group, Inc. System and method to manage power usage
US8619443B2 (en) 2010-09-29 2013-12-31 The Powerwise Group, Inc. System and method to boost voltage
US8085009B2 (en) 2007-08-13 2011-12-27 The Powerwise Group, Inc. IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8085010B2 (en) 2007-08-24 2011-12-27 The Powerwise Group, Inc. TRIAC/SCR-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation
US8120307B2 (en) 2007-08-24 2012-02-21 The Powerwise Group, Inc. System and method for providing constant loading in AC power applications
US8810190B2 (en) * 2007-09-14 2014-08-19 The Powerwise Group, Inc. Motor controller system and method for maximizing energy savings
US8698447B2 (en) 2007-09-14 2014-04-15 The Powerwise Group, Inc. Energy saving system and method for devices with rotating or reciprocating masses
AT506454B1 (de) * 2008-02-22 2015-10-15 Egston System Electronics Eggenburg Gmbh Wandleranordnung
US7800377B2 (en) * 2008-06-11 2010-09-21 Triacta Power Technologies Inc Apparatus and method for current transformer adaptation
US8004255B2 (en) * 2008-08-07 2011-08-23 The Powerwise Group, Inc. Power supply for IGBT/FET drivers
DE102009037340A1 (de) * 2009-08-14 2011-08-04 Phoenix Contact GmbH & Co. KG, 32825 Übertrager
BR112012005097A2 (pt) 2009-09-08 2016-05-03 Powerwise Group Inc sistema de economia de energia e método para dispositivos com massas de alternância ou rotatórias
US8698446B2 (en) * 2009-09-08 2014-04-15 The Powerwise Group, Inc. Method to save energy for devices with rotating or reciprocating masses
CN102739066B (zh) * 2012-06-20 2014-12-31 中国计量科学研究院 一种感应式电流电压变换器及实现高频电流测量的方法
CN103777046B (zh) * 2013-11-06 2016-08-17 长沙久信电力设备有限公司 多变比电流互感器智能控制装置
JP6119918B2 (ja) * 2014-05-27 2017-04-26 富士電機株式会社 巻線部品の取付け構造及びこの取付け構造を備えた電力変換装置
CN104616875B (zh) * 2015-02-06 2017-02-01 白静文 多变比的穿心式电流互感结构
DE102015107294A1 (de) * 2015-05-11 2016-11-17 Technische Hochschule Köln Spulenanordnung für Spannungsregler
CN105826067B (zh) * 2016-05-19 2023-12-26 中国电力科学研究院 电流互感器
JP6631584B2 (ja) * 2017-04-20 2020-01-15 株式会社村田製作所 インダクタ及びインダクタの製造方法
US10644536B2 (en) 2017-11-28 2020-05-05 Cummins Power Generation Ip, Inc. Cooling systems and methods for automatic transfer switch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA798509A (en) * 1968-11-05 R. D'entremont Franklin Controlled magnetic bias for instrument transformers
US1971207A (en) * 1928-06-27 1934-08-21 Gen Electric Current transformer
AT129185B (de) * 1929-06-25 1932-07-11 Roelof Herman Dr Ing Borkent Stromwandler.
US1882773A (en) * 1929-12-19 1932-10-18 Westinghouse Electric & Mfg Co Current transformer
DE708667C (de) * 1931-04-01 1941-07-25 Aeg Stromwandler mit niedriger Amperewindungszahl und mit zwei Eisenkernen von praktisch gleich grosser Eisenweglaenge, deren Primaerwicklungen und deren Sekundaerwicklungen je hintereinandergeschaltet sind
US2244386A (en) * 1939-05-20 1941-06-03 Gen Electric Transformer
CH284484A (de) * 1950-10-14 1952-07-31 Landis & Gyr Ag Anordnung zur Stromfehlerabgleichung bei Stromwandlern.
JPS4117571B1 (es) * 1962-08-28 1966-10-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104465057B (zh) * 2015-01-07 2016-06-22 谭成忠 一种筒状导体电流互感器

Also Published As

Publication number Publication date
ES8404103A1 (es) 1984-04-01
DE3218823C2 (de) 1984-06-20
JPS58191410A (ja) 1983-11-08
ATE18825T1 (de) 1986-04-15
DE3218823A1 (de) 1983-11-03
EP0092653A1 (de) 1983-11-02
EP0092653B1 (de) 1986-03-26
US4513274A (en) 1985-04-23

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201