DE29708694U1 - Current transformers for AC measurements in the low voltage range - Google Patents

Current transformers for AC measurements in the low voltage range

Info

Publication number
DE29708694U1
DE29708694U1 DE29708694U DE29708694U DE29708694U1 DE 29708694 U1 DE29708694 U1 DE 29708694U1 DE 29708694 U DE29708694 U DE 29708694U DE 29708694 U DE29708694 U DE 29708694U DE 29708694 U1 DE29708694 U1 DE 29708694U1
Authority
DE
Germany
Prior art keywords
measurements
low voltage
voltage range
current transformers
transformers
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
DE29708694U
Other languages
German (de)
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
Priority to DE29708694U priority Critical patent/DE29708694U1/en
Priority to PCT/DE1998/001295 priority patent/WO1998052054A1/en
Publication of DE29708694U1 publication Critical patent/DE29708694U1/en
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
    • H01F38/32—Circuit arrangements
    • 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
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
DE29708694U 1997-05-15 1997-05-15 Current transformers for AC measurements in the low voltage range Expired - Lifetime DE29708694U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29708694U DE29708694U1 (en) 1997-05-15 1997-05-15 Current transformers for AC measurements in the low voltage range
PCT/DE1998/001295 WO1998052054A1 (en) 1997-05-15 1998-05-08 Current transformer for alternating current measurements in the low voltage range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29708694U DE29708694U1 (en) 1997-05-15 1997-05-15 Current transformers for AC measurements in the low voltage range

Publications (1)

Publication Number Publication Date
DE29708694U1 true DE29708694U1 (en) 1998-09-17

Family

ID=8040419

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29708694U Expired - Lifetime DE29708694U1 (en) 1997-05-15 1997-05-15 Current transformers for AC measurements in the low voltage range

Country Status (2)

Country Link
DE (1) DE29708694U1 (en)
WO (1) WO1998052054A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005007971B4 (en) * 2004-02-27 2008-01-31 Magnetec Gmbh Current transformer with compensation winding

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100529A1 (en) * 1971-01-07 1972-07-20 Kiepe Bahn Elektrik Gmbh Current measuring element equipped with magnetic field-dependent elements such as field plates, Hall generators, magnetic diodes and the like
DE2303906A1 (en) * 1972-04-10 1973-10-25 Sprecher & Schuh Ag CURRENT MEASURING CONVERTER FOR OBTAINING A VOLTAGE PROPORTIONAL TO THE CURRENT TO BE MEASURED
DD214458A1 (en) * 1983-03-31 1984-10-10 Inst Prueffeld Elekt ARRANGEMENT OF SECONDARY DEVELOPMENTS FOR INDUCTIVE MEASURING ARRANGEMENTS FOR ELECTRICAL STROEMES
EP0157881A1 (en) * 1983-09-13 1985-10-16 Mitsubishi Denki Kabushiki Kaisha Current detecting circuit
EP0300075A1 (en) * 1986-01-27 1989-01-25 Mitsubishi Denki Kabushiki Kaisha Current detector
WO1993001502A1 (en) * 1991-07-01 1993-01-21 Abb Energi As Arrangement in a current detection circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8403996D0 (en) * 1984-02-15 1984-03-21 Crest Energyscan Ltd Current measuring device
DE19533002A1 (en) * 1995-09-07 1997-03-13 Ludger Wilken High-frequency voltage and current measurement device for conductor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100529A1 (en) * 1971-01-07 1972-07-20 Kiepe Bahn Elektrik Gmbh Current measuring element equipped with magnetic field-dependent elements such as field plates, Hall generators, magnetic diodes and the like
DE2303906A1 (en) * 1972-04-10 1973-10-25 Sprecher & Schuh Ag CURRENT MEASURING CONVERTER FOR OBTAINING A VOLTAGE PROPORTIONAL TO THE CURRENT TO BE MEASURED
DD214458A1 (en) * 1983-03-31 1984-10-10 Inst Prueffeld Elekt ARRANGEMENT OF SECONDARY DEVELOPMENTS FOR INDUCTIVE MEASURING ARRANGEMENTS FOR ELECTRICAL STROEMES
EP0157881A1 (en) * 1983-09-13 1985-10-16 Mitsubishi Denki Kabushiki Kaisha Current detecting circuit
EP0300075A1 (en) * 1986-01-27 1989-01-25 Mitsubishi Denki Kabushiki Kaisha Current detector
WO1993001502A1 (en) * 1991-07-01 1993-01-21 Abb Energi As Arrangement in a current detection circuit
US5432439A (en) * 1991-07-01 1995-07-11 Abb Energi As Arrangement in a current detection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005007971B4 (en) * 2004-02-27 2008-01-31 Magnetec Gmbh Current transformer with compensation winding

Also Published As

Publication number Publication date
WO1998052054A1 (en) 1998-11-19

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 19981029

R150 Term of protection extended to 6 years

Effective date: 20001031

R151 Term of protection extended to 8 years

Effective date: 20030731

R158 Lapse of ip right after 8 years

Effective date: 20051201