FR2172323A1 - - Google Patents

Info

Publication number
FR2172323A1
FR2172323A1 FR7305466A FR7305466A FR2172323A1 FR 2172323 A1 FR2172323 A1 FR 2172323A1 FR 7305466 A FR7305466 A FR 7305466A FR 7305466 A FR7305466 A FR 7305466A FR 2172323 A1 FR2172323 A1 FR 2172323A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7305466A
Other languages
French (fr)
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 AG
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
Publication of FR2172323A1 publication Critical patent/FR2172323A1/fr
Withdrawn legal-status Critical Current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
    • 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
FR7305466A 1972-02-18 1973-02-16 Withdrawn FR2172323A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722207610 DE2207610A1 (en) 1972-02-18 1972-02-18 ARRANGEMENT FOR INCREASING THE MEASURING RANGE OF ELECTRONICALLY COMPENSATED CURRENT CONVERTERS

Publications (1)

Publication Number Publication Date
FR2172323A1 true FR2172323A1 (en) 1973-09-28

Family

ID=5836319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305466A Withdrawn FR2172323A1 (en) 1972-02-18 1973-02-16

Country Status (9)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451621A1 (en) * 1979-03-15 1980-10-10 Tokyo Shibaura Electric Co IMPROVEMENTS TO CURRENT TRANSFORMATION CIRCUITS
FR2547104A1 (en) * 1983-06-01 1984-12-07 Landis & Gyr Ag HIGH PRECISION VOLTAGE TRANSFORMER
FR2690993A1 (en) * 1992-05-06 1993-11-12 Europ Agence Spatiale Galvanically-isolated DC current pulse intensity measurement appts. e.g. for DC=DC converter or radar - has transformer with first sec. in parallel with resistor across which voltage is measured by amplifier, and second transformer sec. which is in series with further resistor and fed by amplifier output.
EP0622635A1 (en) * 1993-04-30 1994-11-02 ZELLWEGER SAUTER-Energie S.A. Current sensor for alternating current

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634221A1 (en) * 1986-10-08 1988-04-14 Bbc Brown Boveri & Cie ELECTRIC CONVERTER
US5107204A (en) * 1986-12-22 1992-04-21 General Electric Company Low temperature coefficient shunt for current measurement
CN103000361A (en) * 2012-11-22 2013-03-27 南京江北自动化技术有限公司 Current transformer
GB2538816B (en) * 2015-05-26 2017-08-16 Secure Int Holdings Pte Ltd Electricity meter with isolated shunt
CN113241245B (en) * 2021-05-10 2022-03-11 大连北方互感器集团有限公司 Current transformer with constant-value resistor and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451621A1 (en) * 1979-03-15 1980-10-10 Tokyo Shibaura Electric Co IMPROVEMENTS TO CURRENT TRANSFORMATION CIRCUITS
FR2547104A1 (en) * 1983-06-01 1984-12-07 Landis & Gyr Ag HIGH PRECISION VOLTAGE TRANSFORMER
FR2690993A1 (en) * 1992-05-06 1993-11-12 Europ Agence Spatiale Galvanically-isolated DC current pulse intensity measurement appts. e.g. for DC=DC converter or radar - has transformer with first sec. in parallel with resistor across which voltage is measured by amplifier, and second transformer sec. which is in series with further resistor and fed by amplifier output.
EP0622635A1 (en) * 1993-04-30 1994-11-02 ZELLWEGER SAUTER-Energie S.A. Current sensor for alternating current
FR2704652A1 (en) * 1993-04-30 1994-11-04 Zellweger Sauter En Sa Current sensor for alternating currents.

Also Published As

Publication number Publication date
CH553414A (en) 1974-08-30
DE2207610A1 (en) 1973-08-30
JPS4894828A (en) 1973-12-06
IT979055B (en) 1974-09-30
SE376803B (en) 1975-06-09
GB1419023A (en) 1975-12-24
NL7301232A (en) 1973-08-21
ES411725A1 (en) 1976-01-01

Similar Documents

Publication Publication Date Title
JPS4982964U (en)
NL7301232A (en)
BG18080A1 (en)
BG17881A1 (en)
BG17915A1 (en)
BG17918A1 (en)
BG18025A1 (en)
BG18026A1 (en)
BG18068A1 (en)
BG18030A1 (en)
BG18261A1 (en)
BG18343A1 (en)
BG18358A1 (en)
BG18404A1 (en)
BG18503A1 (en)
BG19107A3 (en)
BG19360A1 (en)
BG21008A3 (en)
BG22184A1 (en)
BG22407A3 (en)
BG22547A1 (en)
BG22811A3 (en)
BG26188A4 (en)
CH546027A (en)
CH563305A5 (en)

Legal Events

Date Code Title Description
ST Notification of lapse