IT979055B - Disposizione per ingrandire il campo di misurazione di trasfor matori di corrente con compensa zione elettronica - Google Patents

Disposizione per ingrandire il campo di misurazione di trasfor matori di corrente con compensa zione elettronica

Info

Publication number
IT979055B
IT979055B IT2032373A IT2032373A IT979055B IT 979055 B IT979055 B IT 979055B IT 2032373 A IT2032373 A IT 2032373A IT 2032373 A IT2032373 A IT 2032373A IT 979055 B IT979055 B IT 979055B
Authority
IT
Italy
Prior art keywords
enlarging
arrangement
current transformers
measurement field
electronic compensation
Prior art date
Application number
IT2032373A
Other languages
English (en)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT979055B publication Critical patent/IT979055B/it

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
    • 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
    • G01R15/08—Circuits for altering the measuring range
    • 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

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)
  • Measurement Of Current Or Voltage (AREA)
IT2032373A 1972-02-18 1973-02-13 Disposizione per ingrandire il campo di misurazione di trasfor matori di corrente con compensa zione elettronica IT979055B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722207610 DE2207610A1 (de) 1972-02-18 1972-02-18 Anordnung zur vergroesserung des messbereiches von elektronisch kompensierten stromwandlern

Publications (1)

Publication Number Publication Date
IT979055B true IT979055B (it) 1974-09-30

Family

ID=5836319

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2032373A IT979055B (it) 1972-02-18 1973-02-13 Disposizione per ingrandire il campo di misurazione di trasfor matori di corrente con compensa zione elettronica

Country Status (9)

Country Link
JP (1) JPS4894828A (it)
CH (1) CH553414A (it)
DE (1) DE2207610A1 (it)
ES (1) ES411725A1 (it)
FR (1) FR2172323A1 (it)
GB (1) GB1419023A (it)
IT (1) IT979055B (it)
NL (1) NL7301232A (it)
SE (1) SE376803B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2045952B (en) * 1979-03-15 1983-01-12 Tokyo Shibaura Electric Co Current transforming circuits
CH661814A5 (de) * 1983-06-01 1987-08-14 Landis & Gyr Ag Messspannungswandler hoher genauigkeit.
DE3634221A1 (de) * 1986-10-08 1988-04-14 Bbc Brown Boveri & Cie Elektrischer wandler
US5107204A (en) * 1986-12-22 1992-04-21 General Electric Company Low temperature coefficient shunt for current measurement
FR2690993A1 (fr) * 1992-05-06 1993-11-12 Europ Agence Spatiale Détecteur d'intensité de courant unidirectionnel à isolement galvanique, dispositif de mesure d'intensité, convertisseur de courant continu-continu et radar mettant en Óoeuvre un tel détecteur.
FR2704652B1 (fr) * 1993-04-30 1995-06-23 Zellweger Sauter En Sa Capteur de courant pour courants alternatifs.
CN103000361A (zh) * 2012-11-22 2013-03-27 南京江北自动化技术有限公司 电流互感器
GB2538816B (en) * 2015-05-26 2017-08-16 Secure Int Holdings Pte Ltd Electricity meter with isolated shunt
CN113241245B (zh) * 2021-05-10 2022-03-11 大连北方互感器集团有限公司 一种带有定值电阻的电流互感器及其制备方法

Also Published As

Publication number Publication date
JPS4894828A (it) 1973-12-06
DE2207610A1 (de) 1973-08-30
GB1419023A (en) 1975-12-24
FR2172323A1 (it) 1973-09-28
SE376803B (it) 1975-06-09
NL7301232A (it) 1973-08-21
CH553414A (de) 1974-08-30
ES411725A1 (es) 1976-01-01

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